Analysis

  • max time kernel
    80s
  • max time network
    82s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    06-11-2020 10:49

General

  • Target

    a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe

  • Size

    318KB

  • MD5

    f5c53bcf86cb23fab76ebe396dfb334b

  • SHA1

    1a0dc48f800906b8283571c96a7759238074d532

  • SHA256

    a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806

  • SHA512

    25f78f1da0bf152c538e1a16bb6706da380cf9fc95448be14f72c015ca05a4f650cc16b7552970ef9d12e38da8709728b697e44ea341fec958ba6ea6a17f091d

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe
    "C:\Users\Admin\AppData\Local\Temp\a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    PID:2024

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads