Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 20:39

General

  • Target

    a24186eba19663c690fc9c98baf90569_JaffaCakes118.exe

  • Size

    537KB

  • MD5

    a24186eba19663c690fc9c98baf90569

  • SHA1

    2a7b555acffd1a9aad6df5e2689f829d96c064c8

  • SHA256

    04a58206a6b8e7d9098f83b764f985ddde8e520e9e45309ee6dbf684de98a462

  • SHA512

    8347d1d7bb4b8306d594814795bb5b898a40d1f9ee8e8bdb371d5ef4e70696faa0fc6ba0a13e1ec0f005c3c826d9078db0bcd12857b78118fe0809a37b3359ca

  • SSDEEP

    12288:ut33wIhELgGST0boJJEQZ3ENXgokgLkTqkZaiXime0XdENss:ut1h+ST0LjCCLkekEFd+s

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).

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 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\a24186eba19663c690fc9c98baf90569_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a24186eba19663c690fc9c98baf90569_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:1384
    • C:\Users\Admin\AppData\Local\Temp\n3476\s3476.exe
      "C:\Users\Admin\AppData\Local\Temp\n3476\s3476.exe" ins.exe /e 13022679 /h 382f50.api.socdn.com /u 53cd3ad4-b018-42a4-b837-65ea0a000013 /d larry /v "C:\Users\Admin\AppData\Local\Temp\a24186eba19663c690fc9c98baf90569_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:4420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 3852
      2⤵
      • Program crash
      PID:1404
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1384 -ip 1384
    1⤵
      PID:3444

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n3476\s3476.exe

      Filesize

      344KB

      MD5

      38af3b0e5644fb569794071b5b3d9826

      SHA1

      6cf9ee4a4a552046bc18e13d7381664a64a6d218

      SHA256

      60229f81d10392dc712fe3cfc2f936ecd20917676ace715d7d4e91c726128315

      SHA512

      20d279359b06aa519de923f99d8aaa667252b4ef542b12c6c37a282987e9a806713ca4ec69d493d519d83b365cc295a89750967d746b60a49456fde25b631fe6

    • memory/4420-14-0x00007FFEEA015000-0x00007FFEEA016000-memory.dmp

      Filesize

      4KB

    • memory/4420-15-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB

    • memory/4420-16-0x0000000000B60000-0x0000000000B6E000-memory.dmp

      Filesize

      56KB

    • memory/4420-19-0x000000001BCB0000-0x000000001C17E000-memory.dmp

      Filesize

      4.8MB

    • memory/4420-20-0x000000001C220000-0x000000001C2BC000-memory.dmp

      Filesize

      624KB

    • memory/4420-21-0x000000001C5A0000-0x000000001C602000-memory.dmp

      Filesize

      392KB

    • memory/4420-22-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB

    • memory/4420-23-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB

    • memory/4420-24-0x000000001B5A0000-0x000000001B5A8000-memory.dmp

      Filesize

      32KB

    • memory/4420-25-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB

    • memory/4420-26-0x00007FFEEA015000-0x00007FFEEA016000-memory.dmp

      Filesize

      4KB

    • memory/4420-27-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB

    • memory/4420-30-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB

    • memory/4420-29-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB

    • memory/4420-28-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB

    • memory/4420-31-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB

    • memory/4420-32-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB

    • memory/4420-33-0x0000000020400000-0x000000002090E000-memory.dmp

      Filesize

      5.1MB

    • memory/4420-34-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB

    • memory/4420-36-0x00007FFEE9D60000-0x00007FFEEA701000-memory.dmp

      Filesize

      9.6MB