General

  • Target

    38bba39c2139e77f4fecf128d25d583a_JaffaCakes118

  • Size

    265KB

  • Sample

    240512-g935zagb99

  • MD5

    38bba39c2139e77f4fecf128d25d583a

  • SHA1

    2fbc7c25b1909e4cadae63caec0b902967072b1f

  • SHA256

    6d9d58f592af50d202d9504db5ae94bef12903d6930d9cb0b7093a6eb6de662a

  • SHA512

    62daacb43e2e872bdbe3012432004b8ff642670e185ea534e7b32f16d06957eefb30715875beb7e6170a423c2a08015247cb12579866439908d323f5f6cd72d2

  • SSDEEP

    6144:AAZ4m1VLp8UBoCcp2XvUU+NK4JSaXhAzRTkaUHgX:AHmXo9XbJSaXmzRXUAX

Malware Config

Targets

    • Target

      38bba39c2139e77f4fecf128d25d583a_JaffaCakes118

    • Size

      265KB

    • MD5

      38bba39c2139e77f4fecf128d25d583a

    • SHA1

      2fbc7c25b1909e4cadae63caec0b902967072b1f

    • SHA256

      6d9d58f592af50d202d9504db5ae94bef12903d6930d9cb0b7093a6eb6de662a

    • SHA512

      62daacb43e2e872bdbe3012432004b8ff642670e185ea534e7b32f16d06957eefb30715875beb7e6170a423c2a08015247cb12579866439908d323f5f6cd72d2

    • SSDEEP

      6144:AAZ4m1VLp8UBoCcp2XvUU+NK4JSaXhAzRTkaUHgX:AHmXo9XbJSaXmzRXUAX

    • 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.

    • 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

3
T1497

Modify Registry

2
T1112

Discovery

Software Discovery

1
T1518

Query Registry

5
T1012

Virtualization/Sandbox Evasion

3
T1497

File and Directory Discovery

1
T1083

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks