Analysis

  • max time kernel
    93s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2024 18:36

General

  • Target

    f88831a820355de0dc1d55bd1ffbac61_JaffaCakes118.exe

  • Size

    674KB

  • MD5

    f88831a820355de0dc1d55bd1ffbac61

  • SHA1

    fdd3b8f64d7e5570d1db2d81a3a4da5b9d084bbf

  • SHA256

    22eb44920bb91417386c2443b050050d85e4fcfc638b7b7388cdff61217ed53b

  • SHA512

    10df1488832870c58683d7b1327294b3e992ad858d033d6f9bcb47ad5831114bc12923c4130c96378c4e9934161fc346c48f1ac8f4d6895d2558fc58a936ade7

  • SSDEEP

    12288:a52MoBmXde5YgGV9tIQLJhQ+AZeKO48H6foHcDr8YFUs/Rfq3C:S2Mo8jd9LdhQ+AZ9rgQeSRb/Fq3C

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\f88831a820355de0dc1d55bd1ffbac61_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f88831a820355de0dc1d55bd1ffbac61_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:4488
    • C:\Users\Admin\AppData\Local\Temp\n6202\s6202.exe
      "C:\Users\Admin\AppData\Local\Temp\n6202\s6202.exe" ea856de8d960c51ee46e8c21N3hd3l37fbK5mD7vwRp/LnVVnLxSCNfH0LF6DP/pp64xdVCMthcYWfbE5SC4hrpeV12Mw26m8qznuafX0c5E1FmLUfxkbg/uXxAGyap5SgOLLE++zZpSb24rhwMq5OQS/AuHF9A6qXGr33kk2SBas/bZWBBPN6ZyvN7zrJWE /v "C:\Users\Admin\AppData\Local\Temp\f88831a820355de0dc1d55bd1ffbac61_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:4148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n6202\s6202.exe

    Filesize

    350KB

    MD5

    d438749bcfe5bcdf1d59cbbb82341315

    SHA1

    2f4176c631e0190f35eb2963a4f8ad692fdcd6b7

    SHA256

    0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42

    SHA512

    f6ea2cf132c6564d685a6386705f2ff9b3912697f70d3e97e1754084c6c589141f3f72d6d82eeb6cc677a331325ab486389b1e3a202b7b21149499e8c020c67e

  • memory/4148-12-0x00007FFF1D310000-0x00007FFF1DCB1000-memory.dmp

    Filesize

    9.6MB

  • memory/4148-13-0x0000000000A60000-0x0000000000A70000-memory.dmp

    Filesize

    64KB

  • memory/4148-25-0x000000001B6D0000-0x000000001B6E0000-memory.dmp

    Filesize

    64KB

  • memory/4148-28-0x000000001BFF0000-0x000000001C4BE000-memory.dmp

    Filesize

    4.8MB

  • memory/4148-29-0x000000001C560000-0x000000001C5FC000-memory.dmp

    Filesize

    624KB

  • memory/4148-30-0x0000000000A60000-0x0000000000A70000-memory.dmp

    Filesize

    64KB

  • memory/4148-31-0x000000001C750000-0x000000001C7B2000-memory.dmp

    Filesize

    392KB

  • memory/4148-32-0x0000000000A60000-0x0000000000A70000-memory.dmp

    Filesize

    64KB

  • memory/4148-33-0x00000000209C0000-0x0000000020ECE000-memory.dmp

    Filesize

    5.1MB

  • memory/4148-35-0x00007FFF1D310000-0x00007FFF1DCB1000-memory.dmp

    Filesize

    9.6MB