Overview

overview

10

Static

static

3

8ecb605306...18.exe

windows7-x64

10

8ecb605306...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8ecb60530662248b182dcf49bd700911_JaffaCakes118

  • Size

    864KB

  • Sample

    241104-dfe99ssdlj

  • MD5

    8ecb60530662248b182dcf49bd700911

  • SHA1

    eb02fea24cbacd512f386cfb88c0539bfd1531ef

  • SHA256

    796f9fce957141ba80aadad317bccbf5d7da642b27dd42987acb7494bf440cea

  • SHA512

    779fd482f31e9d7e644e3996d06863193018c84db8eea7c508ecad792da99c6fb3af051a36472b90328f7d488b23a3700380c4bc97bde5a131bd0446964e7ba1

  • SSDEEP

    12288:ZEfboEly+DFuxs11IGz7n7LfY8Q2QieSdVcsqrFal9SjWO5PZUJBIZN63sEjaxs:ZEf0ElyUIGz7n7DQ2T1k3yc2bqrbG

Score
10/10
darkcometdiscoveryevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      8ecb60530662248b182dcf49bd700911_JaffaCakes118

    • Size

      864KB

    • MD5

      8ecb60530662248b182dcf49bd700911

    • SHA1

      eb02fea24cbacd512f386cfb88c0539bfd1531ef

    • SHA256

      796f9fce957141ba80aadad317bccbf5d7da642b27dd42987acb7494bf440cea

    • SHA512

      779fd482f31e9d7e644e3996d06863193018c84db8eea7c508ecad792da99c6fb3af051a36472b90328f7d488b23a3700380c4bc97bde5a131bd0446964e7ba1

    • SSDEEP

      12288:ZEfboEly+DFuxs11IGz7n7LfY8Q2QieSdVcsqrFal9SjWO5PZUJBIZN63sEjaxs:ZEf0ElyUIGz7n7DQ2T1k3yc2bqrbG

    Score
    10/10
    darkcometdiscoverypersistencerattrojanupxevasion

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks