Overview

overview

10

Static

static

10

947e7c37ae...c6.exe

windows7-x64

10

947e7c37ae...c6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    947e7c37ae1cd79547453236455220c6

  • Size

    660KB

  • Sample

    240206-mlmqzaeca3

  • MD5

    947e7c37ae1cd79547453236455220c6

  • SHA1

    0db7d195d58442125f9bc751f981a3b86b703195

  • SHA256

    b2e1e07f590c038a18966cb7b1ce0f54eb763b3629fafd8b407b9a3dfe03e577

  • SHA512

    a5a5a68bbd782cf86518f2a8d08aa32921a841cadab6f9d8544e79c5c8439421dd8a6d45963a897b8eb42cf26fca90dcf2ecb64ec34eec9ef4ed6e827df1447e

  • SSDEEP

    12288:1XhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkwh/:JnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jd

Score
10/10
darkcomettwo_attempt_try3evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

TWO_ATTEMPT_TRY3

C2

arcpoison.no-ip.org:777

arcpoison.zapto.org:888
Mutex

DC_MUTEX-H3C91UT

Attributes
  • InstallPath

    MSDCSC\explorer.exe

  • gencode

    3XSltL2LajWy

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Windows Explorer

Targets

    • Target

      947e7c37ae1cd79547453236455220c6

    • Size

      660KB

    • MD5

      947e7c37ae1cd79547453236455220c6

    • SHA1

      0db7d195d58442125f9bc751f981a3b86b703195

    • SHA256

      b2e1e07f590c038a18966cb7b1ce0f54eb763b3629fafd8b407b9a3dfe03e577

    • SHA512

      a5a5a68bbd782cf86518f2a8d08aa32921a841cadab6f9d8544e79c5c8439421dd8a6d45963a897b8eb42cf26fca90dcf2ecb64ec34eec9ef4ed6e827df1447e

    • SSDEEP

      12288:1XhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkwh/:JnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jd

    Score
    10/10
    darkcomettwo_attempt_try3evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks