Analysis

  • max time kernel
    93s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/06/2024, 20:53

General

  • Target

    9637a8fbc2069650b9a26356b4356f28_JaffaCakes118.exe

  • Size

    611KB

  • MD5

    9637a8fbc2069650b9a26356b4356f28

  • SHA1

    6bdb69f4dbd0d70221e15b7872b991eabde77440

  • SHA256

    05f43f1232c65f79bded560426219bb0a1c8053b22ac4c9e6a6cd3f60efb7a48

  • SHA512

    a9f64aadd4ee1ef67f41edda3e903b55d0256cd23b92eaf3a4451724742fcaa7fcfb0e2874914cc60bb5b7028c4d4f600f18934e51323bd827a762d0020604bb

  • SSDEEP

    12288:RYFX370ZgEDE7rEZbepFBqIlzw3BnPO+nr35bNXU9H6P:mFX37fiZEMIls3FvrJ5U9H6P

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\9637a8fbc2069650b9a26356b4356f28_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9637a8fbc2069650b9a26356b4356f28_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:316
    • C:\Users\Admin\AppData\Local\Temp\n3\s3.exe
      "C:\Users\Admin\AppData\Local\Temp\n3\s3.exe" b36dc4ad8d6fb7aa85f5c153rlBZXJkAYuS1UghaxKyajfE0LEQIjNL8LDMTXaftgH0+1Fp5Im5LcTtJviipMsY8Oh+1287WUGOSFF2S1gVC2VCRPC35c7/6vBUWw4fCjJyyJtHBmxD0OLw7rK1CfP6aZ0Cv6ANIFtbdWkvpD3TY5itx74BbQgHasdj8F5Ko /v "C:\Users\Admin\AppData\Local\Temp\9637a8fbc2069650b9a26356b4356f28_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:3448

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n3\s3.exe

          Filesize

          220KB

          MD5

          3bf87e8e1382beefff15a28ab98c21eb

          SHA1

          2d3caabe7c2e6231fda3537660435b196217eacb

          SHA256

          ceaea7d02e69c51a591461e6145ee574cf4727168829525762065bbb37a264c1

          SHA512

          04d3b42b785f23c28f05c6fceea49302501f447345efa80fb3f1069a8fb8af51bdd97b09bf9c0035fa134d94ad8b24a0e33dcd428be800e2de0faca80f14f231

        • memory/3448-12-0x00007FFFE0C65000-0x00007FFFE0C66000-memory.dmp

          Filesize

          4KB

        • memory/3448-13-0x00007FFFE09B0000-0x00007FFFE1351000-memory.dmp

          Filesize

          9.6MB

        • memory/3448-29-0x00000000011E0000-0x00000000011F0000-memory.dmp

          Filesize

          64KB

        • memory/3448-32-0x000000001C4D0000-0x000000001C99E000-memory.dmp

          Filesize

          4.8MB

        • memory/3448-33-0x000000001CA40000-0x000000001CADC000-memory.dmp

          Filesize

          624KB

        • memory/3448-34-0x000000001CBF0000-0x000000001CC52000-memory.dmp

          Filesize

          392KB

        • memory/3448-35-0x00007FFFE09B0000-0x00007FFFE1351000-memory.dmp

          Filesize

          9.6MB

        • memory/3448-36-0x000000001BA90000-0x000000001BA98000-memory.dmp

          Filesize

          32KB

        • memory/3448-37-0x00007FFFE09B0000-0x00007FFFE1351000-memory.dmp

          Filesize

          9.6MB

        • memory/3448-38-0x00007FFFE09B0000-0x00007FFFE1351000-memory.dmp

          Filesize

          9.6MB

        • memory/3448-39-0x00007FFFE09B0000-0x00007FFFE1351000-memory.dmp

          Filesize

          9.6MB

        • memory/3448-40-0x0000000020690000-0x0000000020B9E000-memory.dmp

          Filesize

          5.1MB

        • memory/3448-41-0x0000000020BA0000-0x0000000020CDC000-memory.dmp

          Filesize

          1.2MB

        • memory/3448-43-0x00007FFFE09B0000-0x00007FFFE1351000-memory.dmp

          Filesize

          9.6MB