Overview

overview

10

Static

static

3

3e30c9cbfe...39.exe

windows7-x64

10

3e30c9cbfe...39.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3e30c9cbfed6311e5ebe149203bc4839

  • Size

    1.1MB

  • Sample

    240101-3xlk2sfbg3

  • MD5

    3e30c9cbfed6311e5ebe149203bc4839

  • SHA1

    fcca7dc34ad5b01e45b3d834a43c59fac8cf527c

  • SHA256

    6609f8a3eb1784fe12d91be389de594b5b9a0ccea15cd0de4ecbd5fe52638f20

  • SHA512

    1993e43d2bfbe9c4f39db163d21b81b4fc40026fdbbfab0a568047c43b64347dd234f21d5f3026b810caab4de4c5b7f446ad0682e1f0c43dc6978c7faf8c4a6b

  • SSDEEP

    12288:m1Eu4AZ+EOJTSNT8JpclOVgvcWS2LgHtJpXMKI1jdT5yRVhJUzIwX5+9NB8GYbnt:Y0GMG15eisLl74ZYS+/VRZN9

Score
10/10
darkcomet01persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

01

C2

hostme.no-ip.org:1604

Mutex

DC_MUTEX-MJWC85T

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    kCB568SQFn2i

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      3e30c9cbfed6311e5ebe149203bc4839

    • Size

      1.1MB

    • MD5

      3e30c9cbfed6311e5ebe149203bc4839

    • SHA1

      fcca7dc34ad5b01e45b3d834a43c59fac8cf527c

    • SHA256

      6609f8a3eb1784fe12d91be389de594b5b9a0ccea15cd0de4ecbd5fe52638f20

    • SHA512

      1993e43d2bfbe9c4f39db163d21b81b4fc40026fdbbfab0a568047c43b64347dd234f21d5f3026b810caab4de4c5b7f446ad0682e1f0c43dc6978c7faf8c4a6b

    • SSDEEP

      12288:m1Eu4AZ+EOJTSNT8JpclOVgvcWS2LgHtJpXMKI1jdT5yRVhJUzIwX5+9NB8GYbnt:Y0GMG15eisLl74ZYS+/VRZN9

    Score
    10/10
    darkcomet01persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

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

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks