Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/07/2024, 06:25

General

  • Target

    3c4bcaa926c744b2dc4092f169dc4fff_JaffaCakes118.exe

  • Size

    30KB

  • MD5

    3c4bcaa926c744b2dc4092f169dc4fff

  • SHA1

    10a9085984bb1bbc0afb3344409b7e8f33adbbf0

  • SHA256

    6bec258e312d8ba0fc41232beb984d1cdf4f12cf75b621bc5802ea8b1827573a

  • SHA512

    a3178ff5f78aa9f4e30923e5679e9a82c0fbbc52571775cb2a0f5c953c8e64d4716b9493beba938ba2f01c44cbdc2b25e57247ea5a0c540b437b204a91879734

  • SSDEEP

    384:7GOFevQdOAOgIYKn6VQ1s7I7LhBPa8tbQf5umaIDZju6IIJ7firU+7TG:7GOiTNnaE7Vg8MkIQ63ur8

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c4bcaa926c744b2dc4092f169dc4fff_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3c4bcaa926c744b2dc4092f169dc4fff_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Windows\SysWOW64\pun_01.exe
      "C:\Windows\system32\pun_01.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2964
      • C:\Windows\SysWOW64\pun_01.exe
        StubPath
        3⤵
        • Executes dropped EXE
        PID:4732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 492
          4⤵
          • Program crash
          PID:4332
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4732 -ip 4732
    1⤵
      PID:60

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\pun_01.exe

            Filesize

            7KB

            MD5

            4b148a1d8e8073d0cde708d9d4c78d7b

            SHA1

            7b9f876ee0dd9c351050eccc195e5ea0d6ad08ef

            SHA256

            4ef8c45c150adc4c75217bbcfc3d5ce04fa319181c3d265afcca311c050636bb

            SHA512

            e51cb5b56e5b1b1af5647df7714023ee2f5859163a8aa56402fffc424d1cd32268666c9b5956c06f94c63efd85ea177e0eb36e84167ff916e7454bc987d10f28

          • memory/2964-10-0x0000000000400000-0x0000000000401E00-memory.dmp

            Filesize

            7KB

          • memory/4804-8-0x0000000000400000-0x000000000040D7AC-memory.dmp

            Filesize

            53KB