Overview

overview

10

Static

static

10

8614b2ded9...bf.exe

windows7_x64

10

8614b2ded9...bf.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    8614b2ded956894eb65f1fb498624d8cfe9f5ee05599981ef6f16dc7c7ee89bf

  • Size

    251KB

  • Sample

    220520-2kkmjsaefq

  • MD5

    dfa5a24fcaf54c7a0281e86994eba56b

  • SHA1

    bb3a4e20e147f646c560b95c645f0ac813ab8ef7

  • SHA256

    8614b2ded956894eb65f1fb498624d8cfe9f5ee05599981ef6f16dc7c7ee89bf

  • SHA512

    efc1e5843f4145563599cf94a983013d986b7bf1f5acb188ab8e9a67e18129c447ad510fe03294ad10924690c79196bbc912acc158e898337880336d36fa1ea6

Score
10/10
darkcomet×åëîâåêevasionpersistenceupx

Malware Config

Extracted

Family

darkcomet

Botnet

×åëîâåê

C2

192.168.0.104:1604

fortdark.ddns.net:1604
Mutex

DC_MUTEX-9AJGZC0

Attributes
  • InstallPath

    MSDCSC\Java

  • gencode

    QzruVUr8hxHE

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    svhost

Targets

    • Target

      8614b2ded956894eb65f1fb498624d8cfe9f5ee05599981ef6f16dc7c7ee89bf

    • Size

      251KB

    • MD5

      dfa5a24fcaf54c7a0281e86994eba56b

    • SHA1

      bb3a4e20e147f646c560b95c645f0ac813ab8ef7

    • SHA256

      8614b2ded956894eb65f1fb498624d8cfe9f5ee05599981ef6f16dc7c7ee89bf

    • SHA512

      efc1e5843f4145563599cf94a983013d986b7bf1f5acb188ab8e9a67e18129c447ad510fe03294ad10924690c79196bbc912acc158e898337880336d36fa1ea6

    Score
    10/10
    evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks