Overview

overview

10

Static

static

10

2025-02-16...er.exe

windows7-x64

10

2025-02-16...er.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2025-02-16_9eb9c3fa9a8a4a673edf0e6b6057997c_ismagent_ryuk_sliver

  • Size

    2.9MB

  • Sample

    250216-w2k2ravmaj

  • MD5

    9eb9c3fa9a8a4a673edf0e6b6057997c

  • SHA1

    6d3456442b8b8bd40b85a580b90011fb8aa4ca44

  • SHA256

    39a7fd947f44b1916b412937848dceefb9ee06a514d8f35740cf15ddff3f71bf

  • SHA512

    a4a41b0e8ee7feebb1221e984050ca8253f7747060f8cbf8038f683761340105e906fdda496f436ad1ca601aefb1f51db0d06901bbaf57cffba1300a5efee1df

  • SSDEEP

    49152:6iQagHg5EVhwQd+qrW+i1w+Tqc0KxZbDOCwMDbyeKw3FGMFvfjPW21I3iIJK:Pg7hRdj9iMlHBSFBWZK

Score
10/10
meshagentfamilybackdoordefense_evasiondiscoverypersistenceprivilege_escalationrattrojan

Malware Config

Extracted

Family

meshagent

Version

2

Botnet

family

C2

http://puta.dyndns.org:443/meshcentral/agent.ashx

Attributes
  • mesh_id

    0xD4A168AB85CC42538347307026CFA907128B771A898DC41A668CAD35BE7E04146D0E7D4B81049883102F751C8D282B70

  • server_id

    DF4AB92F3C8857999E467656003AE5A1785E8424F7659E7546274B911B930CAB20F5BCA3D8302EC6D3C5E7DFAC9F1A44

  • wss

    wss://puta.dyndns.org:443/meshcentral/agent.ashx

Targets

    • Target

      2025-02-16_9eb9c3fa9a8a4a673edf0e6b6057997c_ismagent_ryuk_sliver

    • Size

      2.9MB

    • MD5

      9eb9c3fa9a8a4a673edf0e6b6057997c

    • SHA1

      6d3456442b8b8bd40b85a580b90011fb8aa4ca44

    • SHA256

      39a7fd947f44b1916b412937848dceefb9ee06a514d8f35740cf15ddff3f71bf

    • SHA512

      a4a41b0e8ee7feebb1221e984050ca8253f7747060f8cbf8038f683761340105e906fdda496f436ad1ca601aefb1f51db0d06901bbaf57cffba1300a5efee1df

    • SSDEEP

      49152:6iQagHg5EVhwQd+qrW+i1w+Tqc0KxZbDOCwMDbyeKw3FGMFvfjPW21I3iIJK:Pg7hRdj9iMlHBSFBWZK

    Score
    10/10
    meshagentfamilybackdoordefense_evasiondiscoverypersistenceprivilege_escalationrattrojan

    • Detects MeshAgent payload

    • MeshAgent

      MeshAgent is an open source remote access trojan written in C++.

      rattrojanbackdoormeshagent

    • Meshagent family

      meshagent

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      defense_evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks