Overview

overview

10

Static

static

8

65090baf82...b2.exe

windows7_x64

10

65090baf82...b2.exe

windows10_x64

10

Sharing

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General

  • Target

    65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2

  • Size

    253KB

  • Sample

    220131-eknb4sefdl

  • MD5

    1e3df53f02b103486c1a7bfab4c8281c

  • SHA1

    68954874ab932ca885cdde3a5f4102dee272fdc5

  • SHA256

    65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2

  • SHA512

    8c9f119c76f8cdef31355b9db00792551f8b376f9fe029985f91c4cd519e283cfde09ac7bee7abf55c789f629da6a9022b2c4e6bd9e3d8e096db39f413134296

Score
10/10
darkcometevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2

    • Size

      253KB

    • MD5

      1e3df53f02b103486c1a7bfab4c8281c

    • SHA1

      68954874ab932ca885cdde3a5f4102dee272fdc5

    • SHA256

      65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2

    • SHA512

      8c9f119c76f8cdef31355b9db00792551f8b376f9fe029985f91c4cd519e283cfde09ac7bee7abf55c789f629da6a9022b2c4e6bd9e3d8e096db39f413134296

    Score
    10/10
    darkcometevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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

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