MalwareUsed by 1 actor

Sharp-SMBExec

For your environment

Hunt this family in your stack

Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.

Start free trial

THREAT ACTORS

Groups observed using it

1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.

View more details

Shadow-Earth-053

To facilitate privilege escalation, SHADOW-EARTH-053 has been found to use Mimikatz, while lateral movement is accomplished using a custom remote desktop protocol (RDP) launcher and C# implementation of SMBExec known as Sharp-SMBExec.

via the hacker newsthehackernews.com

MITRE ATT&CK

Techniques & procedures

6 distinct techniques documented for this family, organized by ATT&CK tactic.

Execution

2 techniques

T1047Windows Management InstrumentationEvidence1

SHADOW-EARTH-053 leveraged WMIC, Sharp-SMBExec, and custom RDP tooling for lateral movement across victim networks.

T1569.002Service ExecutionEvidence1

ServiceName Default = 20 Character Random. The Name of the service to create and delete on the target.

Discovery

1 technique

T1033System Owner/User DiscoveryEvidence1

If a command is not specified, the function will check to see if the username and hash provide local admin access on the target

Lateral Movement

2 techniques

T1021.002SMB/Windows Admin SharesEvidence4

Built for .NET 3.5 Sharp-SMBExec.exe hash:"hash" username:"username" domain:"domain.tld" target:"target.domain.tld" command:"command"

T1550.002Pass the HashEvidence1

This Assembly will allow you to execute a command on a target machine using SMB by providing an NTLM hash for the specified user.

Command and Control

1 technique

T1105Ingress Tool TransferEvidence1

Observed tooling included IOX Proxy, GOST, Wstunnel, and multiple tunnel-core.exe variants.

ACTIVITY FEED

Recent activity

1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

1 SOURCESView more in app

the hacker newsNews

May 1, 2026

China-Linked Hackers Target Asian Governments, NATO State, Journalists, and Activists

A C# implementation of SMBExec used for lateral movement within compromised environments.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets match these IOCs, which detections are missing, which campaigns to expect next, and what to do in the next 30 minutes.

Start free trial

IOC matching

Match every observed IP, domain, and hash against your live telemetry.

Threat actor attribution1

Named campaigns wielding this family, with evidence pinned to each claim.

Exploited vulnerabilities

CVEs this family uses for access and lateral movement.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

MITRE ATT&CK mapping6

Every documented technique, ranked by evidence weight.

Researcher chatter

Reddit, Mastodon, and CTI community discussion around this family.