Overview

overview

10

Static

static

d64c5845a7...5d.exe

windows7-x64

10

d64c5845a7...5d.exe

windows10-2004-x64

3

Sharing

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General

  • Target

    d64c5845a7fee27ab6942e582101c6a7c02e8df5341eaeaf6e71b7a4cb9f4e5d

  • Size

    1.1MB

  • Sample

    221125-x95lssad77

  • MD5

    5215daaf249f78c9b132f1563bc4248e

  • SHA1

    a5e64d9f47c56f8aa9ad5ad5bf8f52ab66da9ec5

  • SHA256

    d64c5845a7fee27ab6942e582101c6a7c02e8df5341eaeaf6e71b7a4cb9f4e5d

  • SHA512

    9da26d64021173bdaf4460d6f926e8af4a9af99f0ed9721e5df90fc7b20b687bf200b58b9faa2f0d4e5cff58e847abd16714d22120a29f82c760971c096b5f2e

  • SSDEEP

    12288:ACrnoS0SkBEkazsG2sBpAY9QxLmpl2Ofe8KFFU0H/42fG31oVekukHzIOI8AAf3k:3CA+4pAYnKFFVH/01ytYf8Amse/edoa

Score
10/10
darkcometisrstealerbotpersistenceratstealertrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

BOT

C2

webshark.sytes.net:42250

Mutex

DC_MUTEX-9KT7NBA

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ptRibxwp6WD9

  • install

    true

  • offline_keylogger

    false

  • password

    pignouf64

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      d64c5845a7fee27ab6942e582101c6a7c02e8df5341eaeaf6e71b7a4cb9f4e5d

    • Size

      1.1MB

    • MD5

      5215daaf249f78c9b132f1563bc4248e

    • SHA1

      a5e64d9f47c56f8aa9ad5ad5bf8f52ab66da9ec5

    • SHA256

      d64c5845a7fee27ab6942e582101c6a7c02e8df5341eaeaf6e71b7a4cb9f4e5d

    • SHA512

      9da26d64021173bdaf4460d6f926e8af4a9af99f0ed9721e5df90fc7b20b687bf200b58b9faa2f0d4e5cff58e847abd16714d22120a29f82c760971c096b5f2e

    • SSDEEP

      12288:ACrnoS0SkBEkazsG2sBpAY9QxLmpl2Ofe8KFFU0H/42fG31oVekukHzIOI8AAf3k:3CA+4pAYnKFFVH/01ytYf8Amse/edoa

    Score
    10/10
    darkcometisrstealerbotpersistenceratstealertrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

      trojanstealerisrstealer

    • ISR Stealer payload

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • 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

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks