Overview

overview

10

Static

static

a4083c1568...f6.exe

windows7-x64

10

a4083c1568...f6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a4083c15681ab40fd583fc69651efacae78d0d900550f4e2dab753344a4dd0f6

  • Size

    736KB

  • Sample

    221127-mfjr5adg8z

  • MD5

    1ddccfd964ded511cb8538e9616b13cb

  • SHA1

    9aa5920603995edadf6d4af3a8d35ef28ca7852e

  • SHA256

    a4083c15681ab40fd583fc69651efacae78d0d900550f4e2dab753344a4dd0f6

  • SHA512

    256df6192c85963e107f755f6ecd799249f4b7f4a741b2c14850f3b52c44afda4371bcc8118d62fa86869f87227d5f1b6569b404825ed6f73b7732fd0bb26905

  • SSDEEP

    12288:ORTCaO9QMhF5I0Qa+nu4l5JjIsg/hOjwYtPqMtrN97CO1awJTSX/0c+6D68w:ORcQiCaHoJjIthOj7gMlN97L172XU

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

poison007.no-ip.org:100

Mutex

DC_MUTEX-XEJG8MK

Attributes
  • gencode

    QrcF4RRkTDK0

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Targets

    • Target

      a4083c15681ab40fd583fc69651efacae78d0d900550f4e2dab753344a4dd0f6

    • Size

      736KB

    • MD5

      1ddccfd964ded511cb8538e9616b13cb

    • SHA1

      9aa5920603995edadf6d4af3a8d35ef28ca7852e

    • SHA256

      a4083c15681ab40fd583fc69651efacae78d0d900550f4e2dab753344a4dd0f6

    • SHA512

      256df6192c85963e107f755f6ecd799249f4b7f4a741b2c14850f3b52c44afda4371bcc8118d62fa86869f87227d5f1b6569b404825ed6f73b7732fd0bb26905

    • SSDEEP

      12288:ORTCaO9QMhF5I0Qa+nu4l5JjIsg/hOjwYtPqMtrN97CO1awJTSX/0c+6D68w:ORcQiCaHoJjIthOj7gMlN97L172XU

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Executes dropped EXE

    • Checks computer location settings

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

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks