Overview

overview

10

Static

static

10

2e15ef27dc...bf.exe

windows7_x64

10

2e15ef27dc...bf.exe

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2e15ef27dc6e9b414c7cb2cf9ae5ce50f13f889461442c33f3128b569ede31bf

  • Size

    807KB

  • Sample

    210930-nnv1sshdh3

  • MD5

    1b65c2a3c7627597b54d16d3f1b80418

  • SHA1

    383a0d1115b33a50e7c8e9875155e9033a37c8c0

  • SHA256

    2e15ef27dc6e9b414c7cb2cf9ae5ce50f13f889461442c33f3128b569ede31bf

  • SHA512

    b7ae5b9df4758c5638a332a8896292aa0e567f0253fd8f4bbb178feb0544085889972605b49baf1e8432ab944881aad69d64a9d64968a89dee2a7ab3b9abd381

Score
10/10
darkcometsazanevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

0.tcp.ngrok.io:14298

Mutex

DC_MUTEX-03KLHJJ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    JmWdVpbgJaAR

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      2e15ef27dc6e9b414c7cb2cf9ae5ce50f13f889461442c33f3128b569ede31bf

    • Size

      807KB

    • MD5

      1b65c2a3c7627597b54d16d3f1b80418

    • SHA1

      383a0d1115b33a50e7c8e9875155e9033a37c8c0

    • SHA256

      2e15ef27dc6e9b414c7cb2cf9ae5ce50f13f889461442c33f3128b569ede31bf

    • SHA512

      b7ae5b9df4758c5638a332a8896292aa0e567f0253fd8f4bbb178feb0544085889972605b49baf1e8432ab944881aad69d64a9d64968a89dee2a7ab3b9abd381

    Score
    10/10
    darkcometsazanevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • 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

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks