Overview

overview

10

Static

static

10

7b285af2b8...5N.exe

windows7-x64

10

7b285af2b8...5N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7b285af2b805ee66eeb295e1e27987988e5becc3a1a07238425d5d525506a395N.exe

  • Size

    757KB

  • Sample

    250107-qzjg9avqer

  • MD5

    79f0d2b7aee2d18ed14fe11170404850

  • SHA1

    2fdfbd047d4b560418ca91a8d6b507350714f6bc

  • SHA256

    7b285af2b805ee66eeb295e1e27987988e5becc3a1a07238425d5d525506a395

  • SHA512

    6c34b9a691bcb18301e074cc3bf823c837d97d50fba92f8b5d03a4d9a5389e9749e3322b0bb938593cb1133929951e60caaae51a093757b6b6c539a5340f5c51

  • SSDEEP

    12288:79AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKy:pAQ6Zx9cxTmOrucTIEFSpOG

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      7b285af2b805ee66eeb295e1e27987988e5becc3a1a07238425d5d525506a395N.exe

    • Size

      757KB

    • MD5

      79f0d2b7aee2d18ed14fe11170404850

    • SHA1

      2fdfbd047d4b560418ca91a8d6b507350714f6bc

    • SHA256

      7b285af2b805ee66eeb295e1e27987988e5becc3a1a07238425d5d525506a395

    • SHA512

      6c34b9a691bcb18301e074cc3bf823c837d97d50fba92f8b5d03a4d9a5389e9749e3322b0bb938593cb1133929951e60caaae51a093757b6b6c539a5340f5c51

    • SSDEEP

      12288:79AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKy:pAQ6Zx9cxTmOrucTIEFSpOG

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks