Overview

overview

10

Static

static

10

dd51300809...e1.exe

windows7-x64

10

dd51300809...e1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    dd51300809df5d583b25262f6bd85a490d78375a85bee027270c585da13c09e1

  • Size

    285KB

  • Sample

    221123-nvkhmsch3w

  • MD5

    4c4b6cd307cd62ff89d28a5aa750d4c4

  • SHA1

    46d2345b3d46b7561e48bae5fb229681dcff0c59

  • SHA256

    dd51300809df5d583b25262f6bd85a490d78375a85bee027270c585da13c09e1

  • SHA512

    f1c66bb92f0bd8891b0fd9f6189673580629316d5a289be93d1ecf4bc7751f9552bb5d7326aa27d75dbe3d38a883be2cbd2e143690611ecbd465f09ee16c7183

  • SSDEEP

    6144:Tlb6SDOiIN4o2cOMayarS0IjX7n6wXmzbBFXPE:T0Siiu2cOMayaZerXXmhFXPE

Score
10/10
darkcometpersistencerattrojanupx

Malware Config

Targets

    • Target

      dd51300809df5d583b25262f6bd85a490d78375a85bee027270c585da13c09e1

    • Size

      285KB

    • MD5

      4c4b6cd307cd62ff89d28a5aa750d4c4

    • SHA1

      46d2345b3d46b7561e48bae5fb229681dcff0c59

    • SHA256

      dd51300809df5d583b25262f6bd85a490d78375a85bee027270c585da13c09e1

    • SHA512

      f1c66bb92f0bd8891b0fd9f6189673580629316d5a289be93d1ecf4bc7751f9552bb5d7326aa27d75dbe3d38a883be2cbd2e143690611ecbd465f09ee16c7183

    • SSDEEP

      6144:Tlb6SDOiIN4o2cOMayarS0IjX7n6wXmzbBFXPE:T0Siiu2cOMayaZerXXmhFXPE

    Score
    10/10
    darkcometpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • 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

    • Suspicious use of SetThreadContext

    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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks