Overview

overview

10

Static

static

ca95dbaff7...c0.exe

windows7-x64

10

ca95dbaff7...c0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ca95dbaff728d39facee54c3d97e445ccc97037ef13e63fab534730349d424c0

  • Size

    1.1MB

  • Sample

    221124-xye7rsde55

  • MD5

    beee246f5eae578818a63ce9178f0f0c

  • SHA1

    062f953736a7c6dd558eaf054a9f59aab431b7b2

  • SHA256

    ca95dbaff728d39facee54c3d97e445ccc97037ef13e63fab534730349d424c0

  • SHA512

    f4eed062f24c213eab4f0d9296df2a663b73583eb1ec00ea610765303c570b6628a3102f4eba7a83497a61f9f45aeb160ec7b60d8c0c3008fd77b11574da0b14

  • SSDEEP

    24576:4vOTggIRfmQX3zRYC6FVZPv+FWe4Ys/E:0jYlDZ3+UT/E

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

connor122.no-ip.biz:3460

Mutex

DC_MUTEX-MMYCS2M

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    bvvobbmQUgdP

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      ca95dbaff728d39facee54c3d97e445ccc97037ef13e63fab534730349d424c0

    • Size

      1.1MB

    • MD5

      beee246f5eae578818a63ce9178f0f0c

    • SHA1

      062f953736a7c6dd558eaf054a9f59aab431b7b2

    • SHA256

      ca95dbaff728d39facee54c3d97e445ccc97037ef13e63fab534730349d424c0

    • SHA512

      f4eed062f24c213eab4f0d9296df2a663b73583eb1ec00ea610765303c570b6628a3102f4eba7a83497a61f9f45aeb160ec7b60d8c0c3008fd77b11574da0b14

    • SSDEEP

      24576:4vOTggIRfmQX3zRYC6FVZPv+FWe4Ys/E:0jYlDZ3+UT/E

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

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

Tasks