Overview

overview

10

Static

static

10

488b3504a1...ee.exe

windows7-x64

10

488b3504a1...ee.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e5ac403126ca121393b42a4598498cbd.bin

  • Size

    1.2MB

  • Sample

    240413-cfat4sab47

  • MD5

    5b38f28b6559b207c4bef0dc6effac4b

  • SHA1

    eaa75082798b7901b08119b81aa86493f3d33bca

  • SHA256

    a07b6459e76d64aaa3af87c767b51778085603a2b539dcab1d75468f9d63fe86

  • SHA512

    df8456d9e0dfb1cebc9dce9454b261464cf2201e5a1c0fd6d3a5ff27c655059416f3a2072a7c655c45f5d6b117b4612ba8e8c6ee9035ec7bf7f7a721389643c1

  • SSDEEP

    24576:49G0ffxXz+g+fTom9ArQ1NYV9MqwEuf7pL2TNiiGwM07fcPYIgrS6:49TZX6R9AE1uV2q3EUNiiGwFfbRJ

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.124.132:1604

Mutex

DC_MUTEX-LNCZHL2

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    pdA8zwNEGd25

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      488b3504a1017ce9135816b3eefcdabfcd510f2e76ec32c946dd7f34c5d856ee.exe

    • Size

      1.5MB

    • MD5

      e5ac403126ca121393b42a4598498cbd

    • SHA1

      9f29ca8c7e7e31e98e89f0f55079f36606bcdd5e

    • SHA256

      488b3504a1017ce9135816b3eefcdabfcd510f2e76ec32c946dd7f34c5d856ee

    • SHA512

      fdcd1675b2754fb22e28988c814fa2cddaa8984cdf418b3b2332874a2c1f450c43edc7f8ccbe407b01d6b66b39bc8476616b306f7f070280cfa6b58778096783

    • SSDEEP

      24576:xZ1xuVVjfFoynPaVBUR8f+kN10EB1x5cyLzoy4z5LPrMcs5dmYOYFQn1s97QJv8E:LQDgok30mzbL0zzJsKJS1QJv8wBT

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Drops file in Drivers directory

    • 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
    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