Overview

overview

10

Static

static

3

fab9010dde...18.exe

windows7-x64

10

fab9010dde...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    fab9010dde4439f3b8d2e91d718b8b37_JaffaCakes118

  • Size

    1.5MB

  • Sample

    240419-t5wasaac4t

  • MD5

    fab9010dde4439f3b8d2e91d718b8b37

  • SHA1

    25f3bfcbab66e99339c52117ccf386fc6831b8be

  • SHA256

    d29bcf69e32558045ba219c136c85d1bbc552300caec42cc6c630f6ac8c86b12

  • SHA512

    af5ab132fbe619338d5c4cf4c54f5304023200ffe5493e7e74137d4d64296838c3e2e2e1c10521b11aada37581e1e644d45ad0a548b49eaeb978df66e32df373

  • SSDEEP

    24576:KwnU4TDLPH5BwT91EVOeW+4A6l2mJdEgMffHtNSfpzMaVI9x51oL:lntTXP56R1E05+4ZdrEgMt0MaV6GL

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

tester312.ddns.net:8888

Mutex

DC_MUTEX-R0PC8F3

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    vskxKN46wJGx

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      fab9010dde4439f3b8d2e91d718b8b37_JaffaCakes118

    • Size

      1.5MB

    • MD5

      fab9010dde4439f3b8d2e91d718b8b37

    • SHA1

      25f3bfcbab66e99339c52117ccf386fc6831b8be

    • SHA256

      d29bcf69e32558045ba219c136c85d1bbc552300caec42cc6c630f6ac8c86b12

    • SHA512

      af5ab132fbe619338d5c4cf4c54f5304023200ffe5493e7e74137d4d64296838c3e2e2e1c10521b11aada37581e1e644d45ad0a548b49eaeb978df66e32df373

    • SSDEEP

      24576:KwnU4TDLPH5BwT91EVOeW+4A6l2mJdEgMffHtNSfpzMaVI9x51oL:lntTXP56R1E05+4ZdrEgMt0MaV6GL

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks