Analysis

  • max time kernel
    94s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 15:12

General

  • Target

    f01124777fc9f2d7906a9063ed556e4d_JaffaCakes118.exe

  • Size

    564KB

  • MD5

    f01124777fc9f2d7906a9063ed556e4d

  • SHA1

    4be3c9ff3a6fbd376d496e633a78437eed59fbc9

  • SHA256

    7f8f2aa71e66cfaadefef2e68d66781a23a73ff71ee9e4f49ea4642c84bedf81

  • SHA512

    7361b364787bc22613680a9baa254f3dfcc482f7daa7f38f557b5c68e0d3ce67e8b84405d6e591b5289e481b9b2b2b2a72d7f7f31cce12343237a90b9b5db61b

  • SSDEEP

    12288:MUeEBWNGT8ZbgCRF67n9LiK6XK86W0b4SZA4uOKJ:MUeZGT2dRF6Ea3JC9J

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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f01124777fc9f2d7906a9063ed556e4d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f01124777fc9f2d7906a9063ed556e4d_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Users\Admin\AppData\Local\Temp\n6198\s6198.exe
      "C:\Users\Admin\AppData\Local\Temp\n6198\s6198.exe" ins.exe /t 54146cb6561ca3db098b45b4 /u 76873fd7-d775-11e3-8a58-80c16e6f498c /e 12912908 /h 13a9a3.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\f01124777fc9f2d7906a9063ed556e4d_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 1464
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4600
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 3900
      2⤵
      • Program crash
      PID:3856
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 540 -ip 540
    1⤵
      PID:1524

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\n6198\s6198.exe

            Filesize

            411KB

            MD5

            13b0085a03720e67fb8c73db3f14609e

            SHA1

            ddf811f21e6c066b644d03e6751e16efb0fbecce

            SHA256

            f9449897f9ca99b99837ad322c8b6737e7a47e3827b6a4c073c6ca8911d8c340

            SHA512

            39b95dce14b3eea6f191d4dbaaff87ebbc8f3b6982e7b4ee5ebeed83d3b7397441665f25dec5eb9f8a1f3b12f4ddcd604d5852b781f592488263161c0d620e82

          • memory/4796-14-0x00007FFE04175000-0x00007FFE04176000-memory.dmp

            Filesize

            4KB

          • memory/4796-15-0x00007FFE03EC0000-0x00007FFE04861000-memory.dmp

            Filesize

            9.6MB

          • memory/4796-16-0x00007FFE03EC0000-0x00007FFE04861000-memory.dmp

            Filesize

            9.6MB

          • memory/4796-36-0x000000001C380000-0x000000001C38E000-memory.dmp

            Filesize

            56KB

          • memory/4796-39-0x000000001CCB0000-0x000000001D17E000-memory.dmp

            Filesize

            4.8MB

          • memory/4796-40-0x000000001D220000-0x000000001D2BC000-memory.dmp

            Filesize

            624KB

          • memory/4796-41-0x00007FFE03EC0000-0x00007FFE04861000-memory.dmp

            Filesize

            9.6MB

          • memory/4796-48-0x00007FFE03EC0000-0x00007FFE04861000-memory.dmp

            Filesize

            9.6MB