General

  • Target

    5b27f5d52a806e359b3a651803074266_JaffaCakes118

  • Size

    320KB

  • Sample

    240519-yk4hwaeg96

  • MD5

    5b27f5d52a806e359b3a651803074266

  • SHA1

    915ae0bd1d5681cd5880d3b6eb1a5392b4b465ec

  • SHA256

    6a63c53d68d24accf35f17a53de6fb926f5fd027982afd53e8477860533abc60

  • SHA512

    b771c6e1cc96c1091204a10119bde7f28a885918a61efd211e32394909bb477d6e6d33b925baf8e78d5dc16c44260b2ad47d8e4002c64710e8d922b17b5a7468

  • SSDEEP

    6144:qWkHk7Gknm0qSDlhHFj6SWC1e3jKb9wWF/QYD5A:8E77m0DhpFOSWlWnFrDe

Malware Config

Targets

    • Target

      5b27f5d52a806e359b3a651803074266_JaffaCakes118

    • Size

      320KB

    • MD5

      5b27f5d52a806e359b3a651803074266

    • SHA1

      915ae0bd1d5681cd5880d3b6eb1a5392b4b465ec

    • SHA256

      6a63c53d68d24accf35f17a53de6fb926f5fd027982afd53e8477860533abc60

    • SHA512

      b771c6e1cc96c1091204a10119bde7f28a885918a61efd211e32394909bb477d6e6d33b925baf8e78d5dc16c44260b2ad47d8e4002c64710e8d922b17b5a7468

    • SSDEEP

      6144:qWkHk7Gknm0qSDlhHFj6SWC1e3jKb9wWF/QYD5A:8E77m0DhpFOSWlWnFrDe

    • 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.

    • 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

4
T1012

Virtualization/Sandbox Evasion

3
T1497

File and Directory Discovery

1
T1083

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Tasks