Overview

overview

10

Static

static

10

e516dbf12f...18.exe

windows7-x64

10

e516dbf12f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e516dbf12f1aa8136f1b3463f544191c_JaffaCakes118

  • Size

    719KB

  • Sample

    241212-g4tdksxmgk

  • MD5

    e516dbf12f1aa8136f1b3463f544191c

  • SHA1

    544c5c5e5f867354509f1f4b072e487a7f3198a9

  • SHA256

    497d9334bc0bbbbc975d0d5bce327738f9ac23dc65b9599655217d2c3c0a9149

  • SHA512

    a50028c75acd2df3848a673f7c44b77679fb0dc811edfa99674992915fb6e0518e4388f8d283622063db322fc93b26921068d279a546cdc7f1201328f6751311

  • SSDEEP

    12288:tpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIb:PwAcu99lPzvxP+Bsz2XjWTRMQckkIb

Score
10/10
darkcometdiscoveryevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      e516dbf12f1aa8136f1b3463f544191c_JaffaCakes118

    • Size

      719KB

    • MD5

      e516dbf12f1aa8136f1b3463f544191c

    • SHA1

      544c5c5e5f867354509f1f4b072e487a7f3198a9

    • SHA256

      497d9334bc0bbbbc975d0d5bce327738f9ac23dc65b9599655217d2c3c0a9149

    • SHA512

      a50028c75acd2df3848a673f7c44b77679fb0dc811edfa99674992915fb6e0518e4388f8d283622063db322fc93b26921068d279a546cdc7f1201328f6751311

    • SSDEEP

      12288:tpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIb:PwAcu99lPzvxP+Bsz2XjWTRMQckkIb

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojanupx

    • 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

    • 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

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • 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

1
T1543

Windows Service

1
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

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

4
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

4
T1012

Remote System Discovery

1
T1018

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks