Overview

overview

10

Static

static

10

ff28113fae...93.exe

windows7-x64

10

ff28113fae...93.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ff28113fae2c68df81308c8a1b8ec036959316aede6053bb0ddeff5983749b93

  • Size

    592KB

  • Sample

    240619-gbjcxazaqm

  • MD5

    5f361b40aa790bd836b85afc6725609b

  • SHA1

    89bbe552581318c7f3c2b2906c7120e10deda1f6

  • SHA256

    ff28113fae2c68df81308c8a1b8ec036959316aede6053bb0ddeff5983749b93

  • SHA512

    2395c8ec3ac83a09b200fc7bdbbe7e6b25945bb092558a95dbdfeddb0e7913bce70cf13c014aad3306214a7d0f453b52895966c3c6e7e1ed0dd5a0494f047543

  • SSDEEP

    12288:wcWRJxhIUKofd9S88itJsL6s8GwUF81yn0FI/6IC0XoS+:TW/xhIUKofSytJsL6HUP0OHCb

Score
10/10
darkcometpersistencerattrojanupx

Malware Config

Targets

    • Target

      ff28113fae2c68df81308c8a1b8ec036959316aede6053bb0ddeff5983749b93

    • Size

      592KB

    • MD5

      5f361b40aa790bd836b85afc6725609b

    • SHA1

      89bbe552581318c7f3c2b2906c7120e10deda1f6

    • SHA256

      ff28113fae2c68df81308c8a1b8ec036959316aede6053bb0ddeff5983749b93

    • SHA512

      2395c8ec3ac83a09b200fc7bdbbe7e6b25945bb092558a95dbdfeddb0e7913bce70cf13c014aad3306214a7d0f453b52895966c3c6e7e1ed0dd5a0494f047543

    • SSDEEP

      12288:wcWRJxhIUKofd9S88itJsL6s8GwUF81yn0FI/6IC0XoS+:TW/xhIUKofSytJsL6HUP0OHCb

    Score
    10/10
    darkcometpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • UPX dump on OEP (original entry point)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks