Overview

overview

10

Static

static

0760a20f6f...5a.exe

windows7_x64

10

0760a20f6f...5a.exe

windows10_x64

10

Sharing

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General

  • Target

    0760a20f6fd56ff65c69d851987a5655001e0029c36add11f54e5ee49133055a

  • Size

    435KB

  • Sample

    201110-dfacjxafrx

  • MD5

    380a4c6e00eaf2178218caccea4d1bc6

  • SHA1

    04141863defce9312434f5e2f7386e629c0f0b17

  • SHA256

    0760a20f6fd56ff65c69d851987a5655001e0029c36add11f54e5ee49133055a

  • SHA512

    187d34126eb202c2d052a52e05bc2ef1a7245186bc480c287a3e6d48b1a0ebe1ec91d7630f95e1c61e56fc342c52a38cbe6c6778363dbb78d9d516ca6f906582

Score
10/10
darkcomet06-11-2020evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

06-11-2020

C2

LAMIA-41739.portmap.io:41739

karmina113.sytes.net:7777

karmina200.sytes.net:7777
Mutex

DC_MUTEX-R9E2RDG

Attributes
  • InstallPath

    svchost\svchost.exe

  • gencode

    dneJWn9fFTdt

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      0760a20f6fd56ff65c69d851987a5655001e0029c36add11f54e5ee49133055a

    • Size

      435KB

    • MD5

      380a4c6e00eaf2178218caccea4d1bc6

    • SHA1

      04141863defce9312434f5e2f7386e629c0f0b17

    • SHA256

      0760a20f6fd56ff65c69d851987a5655001e0029c36add11f54e5ee49133055a

    • SHA512

      187d34126eb202c2d052a52e05bc2ef1a7245186bc480c287a3e6d48b1a0ebe1ec91d7630f95e1c61e56fc342c52a38cbe6c6778363dbb78d9d516ca6f906582

    Score
    10/10
    darkcomet06-11-2020evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

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

      upx

    • 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

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks