Overview

overview

10

Static

static

10

a01f1a0789...49.exe

windows7-x64

10

a01f1a0789...49.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a01f1a0789beee9f0ab471734ac420445d1eaae94b259f6d430bef9c8f26fe49

  • Size

    635KB

  • Sample

    221202-17q76sab48

  • MD5

    cdaa24aa755ae64fe56c6d3bef8bff6d

  • SHA1

    477421a230de751f5e4b4a16671c603683b7d117

  • SHA256

    a01f1a0789beee9f0ab471734ac420445d1eaae94b259f6d430bef9c8f26fe49

  • SHA512

    01043a4097194ebefb90438121da22d2af1bf46934aeffaac7c51ac56404ccfd2dcd4d5ed8236171406b7586aa4d80a57c44b1a7f58e4bf891c141a07c580e96

  • SSDEEP

    12288:XpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/D:5wAcu99lPzvxP+Bsz2XjWTRMQckkIXn7

Score
10/10
darkcometpersistencerattrojan

Malware Config

Targets

    • Target

      a01f1a0789beee9f0ab471734ac420445d1eaae94b259f6d430bef9c8f26fe49

    • Size

      635KB

    • MD5

      cdaa24aa755ae64fe56c6d3bef8bff6d

    • SHA1

      477421a230de751f5e4b4a16671c603683b7d117

    • SHA256

      a01f1a0789beee9f0ab471734ac420445d1eaae94b259f6d430bef9c8f26fe49

    • SHA512

      01043a4097194ebefb90438121da22d2af1bf46934aeffaac7c51ac56404ccfd2dcd4d5ed8236171406b7586aa4d80a57c44b1a7f58e4bf891c141a07c580e96

    • SSDEEP

      12288:XpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/D:5wAcu99lPzvxP+Bsz2XjWTRMQckkIXn7

    Score
    10/10
    darkcometpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • 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

4
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks