Overview

overview

10

Static

static

10

a404b48584...0c.exe

windows7_x64

10

a404b48584...0c.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    a404b48584bf31dce8ddd6eda479abad10abd78b90d7905d2d2064155729d70c

  • Size

    742KB

  • Sample

    220520-pwc1maegck

  • MD5

    7b4ad9815aa9ffb197aa5ba3a545136e

  • SHA1

    811fc574e57f7d4de796d8e3e1b090f7fb8a3ff6

  • SHA256

    a404b48584bf31dce8ddd6eda479abad10abd78b90d7905d2d2064155729d70c

  • SHA512

    adf05818c131811f40b6b24c376a4861d5e292144647b5d1383d110a6db9120e92a4847b0ab2363378ff1aead7b9281e546e600049b98d7297bdb8cdf1cfbe28

Score
10/10
darkcometsazanpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

192.168.1.105:1604

Mutex

DC_MUTEX-KWRE19J

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    dhFX5VGm1dAU

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      a404b48584bf31dce8ddd6eda479abad10abd78b90d7905d2d2064155729d70c

    • Size

      742KB

    • MD5

      7b4ad9815aa9ffb197aa5ba3a545136e

    • SHA1

      811fc574e57f7d4de796d8e3e1b090f7fb8a3ff6

    • SHA256

      a404b48584bf31dce8ddd6eda479abad10abd78b90d7905d2d2064155729d70c

    • SHA512

      adf05818c131811f40b6b24c376a4861d5e292144647b5d1383d110a6db9120e92a4847b0ab2363378ff1aead7b9281e546e600049b98d7297bdb8cdf1cfbe28

    Score
    10/10
    darkcometsazanpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    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