Overview

overview

10

Static

static

3

trmm-suppo...64.exe

windows7-x64

1

trmm-suppo...64.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    trmm-supportotecnologia-loglocadora-server-amd64.exe

  • Size

    5.0MB

  • Sample

    241118-mv7gqsvcqb

  • MD5

    df160a561a9785f69e0e528ffa5c7817

  • SHA1

    520f653cf2802f10a089642739936f98fdbf3e31

  • SHA256

    7a6971ff3c3681bebb629f091ed240ed85c6b373e65688c67223bbc2019da037

  • SHA512

    3701443be2dcce30a09dff4866248d51bf708d70ddf44398bece044b622f92cd4722f4c99e6eda7137514f6ae174aeacd54996aa39b45bbd5f07e527c6cb0c77

  • SSDEEP

    49152:cA/ljznTlv1IRnfrb/T8vO90d7HjmAFd4A64nsfJN5Uf1Vrs6Rh5VwVVUAK4tH4R:XTlv1IRPkVcVmLrh2IEl+em

Score
10/10
meshagenttacticalrmmbackdoordiscoveryevasionexecutionpersistenceprivilege_escalationrattrojan

Malware Config

Extracted

Family

meshagent

Version

2

Botnet

TacticalRMM

C2

http://mesh.supporto.cloudns.ph:443/agent.ashx

Attributes
  • mesh_id

    0x0E2DC4F0246C2CC004F03DE22D7690F34518EF5640DA3CB4A1BAD1F77077B3B5A829899C5B0184232719092FD20FD46C

  • server_id

    B8CF14EBF8089CE17EDEFC840906F859AE2FEF6BC9C401448A93398ABDC36DC301030E4A62640AC5A7D2A0A03745FE0A

  • wss

    wss://mesh.supporto.cloudns.ph:443/agent.ashx

Targets

    • Target

      trmm-supportotecnologia-loglocadora-server-amd64.exe

    • Size

      5.0MB

    • MD5

      df160a561a9785f69e0e528ffa5c7817

    • SHA1

      520f653cf2802f10a089642739936f98fdbf3e31

    • SHA256

      7a6971ff3c3681bebb629f091ed240ed85c6b373e65688c67223bbc2019da037

    • SHA512

      3701443be2dcce30a09dff4866248d51bf708d70ddf44398bece044b622f92cd4722f4c99e6eda7137514f6ae174aeacd54996aa39b45bbd5f07e527c6cb0c77

    • SSDEEP

      49152:cA/ljznTlv1IRnfrb/T8vO90d7HjmAFd4A64nsfJN5Uf1Vrs6Rh5VwVVUAK4tH4R:XTlv1IRPkVcVmLrh2IEl+em

    Score
    10/10
    meshagenttacticalrmmbackdoordiscoveryevasionexecutionpersistenceprivilege_escalationrattrojan

    • Detects MeshAgent payload

    • MeshAgent

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

      rattrojanbackdoormeshagent

    • Meshagent family

      meshagent

    • Blocklisted process makes network request

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Stops running service(s)

      evasionexecution

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
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

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

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

Service Stop

1
T1489

Tasks