Overview

overview

10

Static

static

8

46e3166564...3f.exe

windows7_x64

10

46e3166564...3f.exe

windows10_x64

10

Sharing

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General

  • Target

    46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f

  • Size

    251KB

  • Sample

    201108-zjkcw31xzj

  • MD5

    fede7a68bdb1f79b5f09c590b1226e34

  • SHA1

    48037cae2e1fbd08b80f39e43c8209acaf3e4dd6

  • SHA256

    46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f

  • SHA512

    4926d0eb30428c18e09553a3a66a677bb746c635c3bbe024a14270a6bf4da089c4564d449856d15e3ba4bd515fbe1daedbc3af631b064feafe2a333d12b821ff

Score
10/10
darkcometsazanevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

127.0.0.1:1604

Mutex

DC_MUTEX-FG9B2GA

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    j5zPqt9UKPk3

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f

    • Size

      251KB

    • MD5

      fede7a68bdb1f79b5f09c590b1226e34

    • SHA1

      48037cae2e1fbd08b80f39e43c8209acaf3e4dd6

    • SHA256

      46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f

    • SHA512

      4926d0eb30428c18e09553a3a66a677bb746c635c3bbe024a14270a6bf4da089c4564d449856d15e3ba4bd515fbe1daedbc3af631b064feafe2a333d12b821ff

    Score
    10/10
    darkcometevasionpersistencerattrojanupxsazan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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

    • Windows security modification

      evasiontrojan

    • 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

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

2
T1089

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks