Overview

overview

10

Static

static

10

fe8080de6a...71.exe

windows7-x64

10

fe8080de6a...71.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fe8080de6aa3aca5d4c91bc42a58592795a2d64bcb0343d84118ddd245a31471

  • Size

    635KB

  • Sample

    221126-pvgmesda98

  • MD5

    f30c4b607c2463f754a3da6baa94ee07

  • SHA1

    705e8a56b36490ec59e9c6053ab3e4238b7cb04e

  • SHA256

    fe8080de6aa3aca5d4c91bc42a58592795a2d64bcb0343d84118ddd245a31471

  • SHA512

    a280bbc8ae8d689ecb850c1595545138f5a1f267b6eecaafaad2cdb0180dde9c8f66e7d2e7e86d22c503b8496c9122aca7aa243cad5b2878ea0e9bac6c63534e

  • SSDEEP

    12288:AcWkbgTYWnYnt/IDYhP/ggx3x1dBR7gUbVL1k78/ZeO/Xe9HfYE01cdmJUyLRcgt:TOIgCXhx1XZg451k78B/GYf1cdmJUS6

Score
10/10
darkcometbotpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

BOT

C2

212.90.37.187:1604

Mutex

DC_MUTEX-03G28HX

Attributes
  • InstallPath

    MSDCSC\explorer.exe

  • gencode

    i7KuFfqnYfDY

  • install

    true

  • offline_keylogger

    true

  • password

    bot2b

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      fe8080de6aa3aca5d4c91bc42a58592795a2d64bcb0343d84118ddd245a31471

    • Size

      635KB

    • MD5

      f30c4b607c2463f754a3da6baa94ee07

    • SHA1

      705e8a56b36490ec59e9c6053ab3e4238b7cb04e

    • SHA256

      fe8080de6aa3aca5d4c91bc42a58592795a2d64bcb0343d84118ddd245a31471

    • SHA512

      a280bbc8ae8d689ecb850c1595545138f5a1f267b6eecaafaad2cdb0180dde9c8f66e7d2e7e86d22c503b8496c9122aca7aa243cad5b2878ea0e9bac6c63534e

    • SSDEEP

      12288:AcWkbgTYWnYnt/IDYhP/ggx3x1dBR7gUbVL1k78/ZeO/Xe9HfYE01cdmJUyLRcgt:TOIgCXhx1XZg451k78B/GYf1cdmJUS6

    Score
    10/10
    darkcometbotpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • 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

    • Drops file in System32 directory

    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