Overview

overview

10

Static

static

3

38ddbd7df2...2e.exe

windows7-x64

10

38ddbd7df2...2e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    38ddbd7df2d92bc13ccce06c95ee3fcb4ee3151095662330df9438b2e1a0c92e.exe

  • Size

    864KB

  • Sample

    250107-ghyfeaxkcs

  • MD5

    154831ca12b23ff1b10b3900ec4cbb99

  • SHA1

    7183eace34de8cb38e5b57845096188342f394ca

  • SHA256

    38ddbd7df2d92bc13ccce06c95ee3fcb4ee3151095662330df9438b2e1a0c92e

  • SHA512

    b106e8ba82bd694e662abab6117ef293eeb01c5d01efc456326c692e5bfa20a4ebea8678e60f3a8f9eaa5ec3d22f4c7c24d98d6ded07fed5493ce94bb1b9afab

  • SSDEEP

    24576:lJzKTyB6LIVewBV5nmEY9OY847pKdLCAv:fz16LIzpmHD84q

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      38ddbd7df2d92bc13ccce06c95ee3fcb4ee3151095662330df9438b2e1a0c92e.exe

    • Size

      864KB

    • MD5

      154831ca12b23ff1b10b3900ec4cbb99

    • SHA1

      7183eace34de8cb38e5b57845096188342f394ca

    • SHA256

      38ddbd7df2d92bc13ccce06c95ee3fcb4ee3151095662330df9438b2e1a0c92e

    • SHA512

      b106e8ba82bd694e662abab6117ef293eeb01c5d01efc456326c692e5bfa20a4ebea8678e60f3a8f9eaa5ec3d22f4c7c24d98d6ded07fed5493ce94bb1b9afab

    • SSDEEP

      24576:lJzKTyB6LIVewBV5nmEY9OY847pKdLCAv:fz16LIzpmHD84q

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojan

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

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