Overview

overview

10

Static

static

3

16b8315c6d...18.exe

windows7-x64

10

16b8315c6d...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    16b8315c6de1994bdcbc0faf574a162b_JaffaCakes118

  • Size

    300KB

  • Sample

    240627-t5kjaasdml

  • MD5

    16b8315c6de1994bdcbc0faf574a162b

  • SHA1

    38c2018b835dcc8dd6e6c156f7619c8e0acc493d

  • SHA256

    018556978f8a8e862bb57db11a55e0be62b424db127b66cd77451fe970b30ee0

  • SHA512

    85f5c29486979cb3480fbfa9ab302a29463b060b12dc3aa95785037cfdc2b7f917492f8a1f3a7043d80ef09dca38b908b0f4423907f31148b8c554323fdca4f2

  • SSDEEP

    6144:63EriZWNoVdGEu3j1LdH+gYOFtDD02M14rqM:8EWdGn3jzH+ca5M

Score
10/10
darkcometuserevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

User

C2

97.81.46.17:1604

socksproxy1.serveftp.com:1604
Mutex

DC_MUTEX-R0MQYLT

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    SkFtw2Fer8G2

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      16b8315c6de1994bdcbc0faf574a162b_JaffaCakes118

    • Size

      300KB

    • MD5

      16b8315c6de1994bdcbc0faf574a162b

    • SHA1

      38c2018b835dcc8dd6e6c156f7619c8e0acc493d

    • SHA256

      018556978f8a8e862bb57db11a55e0be62b424db127b66cd77451fe970b30ee0

    • SHA512

      85f5c29486979cb3480fbfa9ab302a29463b060b12dc3aa95785037cfdc2b7f917492f8a1f3a7043d80ef09dca38b908b0f4423907f31148b8c554323fdca4f2

    • SSDEEP

      6144:63EriZWNoVdGEu3j1LdH+gYOFtDD02M14rqM:8EWdGn3jzH+ca5M

    Score
    10/10
    darkcometuserevasionpersistencerattrojanupx

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scripting

1
T1064

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

Scripting

1
T1064

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks