Analysis

  • max time kernel
    88s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-04-2024 08:45

General

  • Target

    e99a91ebb62d3ccebe7cbcde8343aec8_JaffaCakes118.exe

  • Size

    622KB

  • MD5

    e99a91ebb62d3ccebe7cbcde8343aec8

  • SHA1

    b74dbb1b28cb97a56edc224b21231a090b05b969

  • SHA256

    1258c6ae31201e995fedec3b9846df1cf5725e33e7a36ba27d70e620b4b3cae5

  • SHA512

    39e05a35eb4c827aaed0d3e04c5835edb11b446becfe29f8d86a18ec0820f7c7d68bd56890e96f71331ffd09e48f16eaf5fa626ee169f1afb0004d7174c4ab99

  • SSDEEP

    12288:xe+3r4YpcQvAKgzIr+5C6B2WWHclE1Sw6UMWHDGuNy/tjNz6q:U+3r4wgK+5C6sWWHclE17fDJuz6q

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e99a91ebb62d3ccebe7cbcde8343aec8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e99a91ebb62d3ccebe7cbcde8343aec8_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3508
    • C:\Users\Admin\AppData\Local\Temp\n5272\s5272.exe
      "C:\Users\Admin\AppData\Local\Temp\n5272\s5272.exe" dec7227fd66dcc7b374d58c5GovbSEkJ2tsKHdFHe+1PAGZ/ShSmo09GdblWB/DXT2DPi8kZJg8P7qNNIOxO47qX+SXudtYyaT7Gwh2ZX2q12V4aMSnTk1jUfOaUNPjqCQZVbxbiHP4dkxY4FMWT+qMpozSldQk9V4o2JpPDKV71SGndjRZiBshV4V3a/iVHLzo= /v "C:\Users\Admin\AppData\Local\Temp\e99a91ebb62d3ccebe7cbcde8343aec8_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5272\s5272.exe

    Filesize

    350KB

    MD5

    bbc9124a4248781dd24618be762783c5

    SHA1

    ff5af38fb4d7d4db6313faf8e40daac5f9964465

    SHA256

    4be44021b59696da1ac2d723bf2e01be63f0c3a3307641790ba4e3b35769444c

    SHA512

    a225211e316afe4bb2b022c48c3350281f674a305bc726b5702a2d114634c1f16eacc46b40483b5ac5dced8c4114510a3b140a57e0b23ee5a3a4923c8b643ec1

  • memory/1588-12-0x00007FF851C50000-0x00007FF8525F1000-memory.dmp

    Filesize

    9.6MB

  • memory/1588-13-0x0000000001810000-0x0000000001820000-memory.dmp

    Filesize

    64KB

  • memory/1588-29-0x0000000001AF0000-0x0000000001B00000-memory.dmp

    Filesize

    64KB

  • memory/1588-32-0x000000001CDF0000-0x000000001D2BE000-memory.dmp

    Filesize

    4.8MB

  • memory/1588-33-0x000000001D360000-0x000000001D3FC000-memory.dmp

    Filesize

    624KB

  • memory/1588-34-0x0000000001810000-0x0000000001820000-memory.dmp

    Filesize

    64KB

  • memory/1588-35-0x000000001D550000-0x000000001D5B2000-memory.dmp

    Filesize

    392KB

  • memory/1588-36-0x0000000001810000-0x0000000001820000-memory.dmp

    Filesize

    64KB

  • memory/1588-37-0x0000000021A50000-0x0000000021F5E000-memory.dmp

    Filesize

    5.1MB

  • memory/1588-39-0x00007FF851C50000-0x00007FF8525F1000-memory.dmp

    Filesize

    9.6MB