General

  • Target

    9e41e8aea7a37f6549b4a88419c9c6eb_JaffaCakes118

  • Size

    456KB

  • Sample

    240611-p8648sxflg

  • MD5

    9e41e8aea7a37f6549b4a88419c9c6eb

  • SHA1

    34c8af2de06425ac8a5358039497d1e79f88baaa

  • SHA256

    6debd5fd5db7f171afb7e13d314719ff56b66128b1e84a49ca8f002d59237aa0

  • SHA512

    db0288abd6537b77cbe95b2f59a0ea65a4ba9dd4d793faa8622bfb1f92ad4c7c804806e245f31970fd3beb17fcae89514d747d00cc5026e7c5de8ec9c742453c

  • SSDEEP

    12288:Bnqa+fpGWv1A7o+eb9oN+4x6mTvJF+081I/srN:1qxGM1Ae9oN3z+jFrN

Malware Config

Targets

    • Target

      9e41e8aea7a37f6549b4a88419c9c6eb_JaffaCakes118

    • Size

      456KB

    • MD5

      9e41e8aea7a37f6549b4a88419c9c6eb

    • SHA1

      34c8af2de06425ac8a5358039497d1e79f88baaa

    • SHA256

      6debd5fd5db7f171afb7e13d314719ff56b66128b1e84a49ca8f002d59237aa0

    • SHA512

      db0288abd6537b77cbe95b2f59a0ea65a4ba9dd4d793faa8622bfb1f92ad4c7c804806e245f31970fd3beb17fcae89514d747d00cc5026e7c5de8ec9c742453c

    • SSDEEP

      12288:Bnqa+fpGWv1A7o+eb9oN+4x6mTvJF+081I/srN:1qxGM1Ae9oN3z+jFrN

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VirtualBox drivers on disk

    • ModiLoader Second Stage

    • Looks for VMWare Tools registry key

    • 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.

    • Deletes itself

    • Drops startup file

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Virtualization/Sandbox Evasion

4
T1497

Modify Registry

2
T1112

Discovery

Software Discovery

1
T1518

Query Registry

6
T1012

Virtualization/Sandbox Evasion

4
T1497

File and Directory Discovery

1
T1083

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks