Analysis

  • max time kernel
    133s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/05/2024, 19:06

General

  • Target

    81950bd62346edc2012fa1cdb834188c_JaffaCakes118.exe

  • Size

    638KB

  • MD5

    81950bd62346edc2012fa1cdb834188c

  • SHA1

    1c0a5bf7aa63b585a2cf8c4e6358a8b2deb5d1ba

  • SHA256

    2373017059d61386f8f3d1b7f4dc5084db31c471d0e3d78bbc0f124b2b67844e

  • SHA512

    f64e505e91b7521784c54f7b60ee5c6a4ccb9a944ab48de2a9ac6ef1e9f4c447b4a9c1a7fcd7bd38ab4ceb049b0a3eb21391b5ed1173d35335a638c636fc08ce

  • SSDEEP

    12288:hmrT/NtMTbIhcvPMLxa8bzzyUoCyhRB2Sjy7Xrxti3rwbX1W38oZ1f6jB3Bs:QrT/Nt3AML1XRykdzltqm8r3f6jB2

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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81950bd62346edc2012fa1cdb834188c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81950bd62346edc2012fa1cdb834188c_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:936
    • C:\Users\Admin\AppData\Local\Temp\n189\s189.exe
      "C:\Users\Admin\AppData\Local\Temp\n189\s189.exe" 2dd6d730fd0277f14886fbcbT+e4LGODj0qOfCqKIj/mpVBmpyekUkEFowGW6ojj635xvOQ8XRrK24rfRJSTJHmKyikBTn121Lni8fu+Mde3FVa/+SbuaIacFs9OfOH53kgep/VH8ntbMdxALkRCO6HJhj1Xwv2Kj9FELaYU9VAFjrpN8Nvn454DaR/j /v "C:\Users\Admin\AppData\Local\Temp\81950bd62346edc2012fa1cdb834188c_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
      • Suspicious use of SetWindowsHookEx
      PID:4224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n189\s189.exe

    Filesize

    347KB

    MD5

    ad59534e6fd98cef7a0e154a4933a5e4

    SHA1

    a0cc775fbd387133877d67a938d0ee7f17f2b134

    SHA256

    15ea8c6d95cd84f77f9b2638657b7b1558fec2564c791e81a69a91b36e8a243e

    SHA512

    c56dd706b11141b24330d22513669fab438d2621cef16acdebe1e88cb0e6c07e3c20d76f3e99168d2e698b92009fbba4c19620ca60d908450284a9d0a6c5e59c

  • memory/4224-12-0x00007FF9F5265000-0x00007FF9F5266000-memory.dmp

    Filesize

    4KB

  • memory/4224-13-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-29-0x000000001B850000-0x000000001B860000-memory.dmp

    Filesize

    64KB

  • memory/4224-32-0x000000001C2A0000-0x000000001C76E000-memory.dmp

    Filesize

    4.8MB

  • memory/4224-33-0x000000001C810000-0x000000001C8AC000-memory.dmp

    Filesize

    624KB

  • memory/4224-34-0x000000001C960000-0x000000001C9C2000-memory.dmp

    Filesize

    392KB

  • memory/4224-35-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-36-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-37-0x000000001BD20000-0x000000001BD28000-memory.dmp

    Filesize

    32KB

  • memory/4224-38-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-39-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-40-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-41-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-42-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-43-0x00007FF9F5265000-0x00007FF9F5266000-memory.dmp

    Filesize

    4KB

  • memory/4224-44-0x0000000020050000-0x000000002018C000-memory.dmp

    Filesize

    1.2MB

  • memory/4224-45-0x00000000206A0000-0x0000000020BAE000-memory.dmp

    Filesize

    5.1MB

  • memory/4224-46-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-47-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-48-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-49-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-50-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB

  • memory/4224-52-0x00007FF9F4FB0000-0x00007FF9F5951000-memory.dmp

    Filesize

    9.6MB