Analysis

  • max time kernel
    67s
  • max time network
    57s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 16:22

General

  • Target

    0597ef64bbe482a92adb1909eba8f923_JaffaCakes118.exe

  • Size

    435KB

  • MD5

    0597ef64bbe482a92adb1909eba8f923

  • SHA1

    d874159f809c6709bbf4b820fa1f60bb006afa3d

  • SHA256

    137b4ef415e3a38d4d40322fb9c9dc3a1ffb4828d38224fe5a625a84376b885e

  • SHA512

    1b4478a7d9e4c8666e6f91ff676fb339a3f3c726c21e3748bc0d691dbc5c0f020598edf6d97a9a16663f54513e29527e343ecb8a36a6485db6123ef85961ba39

  • SSDEEP

    12288:KKz4hAmKw0Li7et1ZeV7wAiNMh+toQZwTaFP3WNJjc9ho/:KKzRDw0L0G1ZOwAiNU+edGxIi2/

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0597ef64bbe482a92adb1909eba8f923_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0597ef64bbe482a92adb1909eba8f923_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Documents and Settings\tazebama.dl_
      "C:\Documents and Settings\tazebama.dl_"
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:3040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 740
        3⤵
        • Program crash
        PID:3288
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3040 -ip 3040
    1⤵
      PID:3784

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\tazebama.dl_

      Filesize

      151KB

      MD5

      90a07b4d2b96d88a55158acc9a67c905

      SHA1

      c019fb8595572c96b698779e2f7ff686688f8c70

      SHA256

      f93d0d8b468081aa693149e54a67b2a399d93e2f135fc6f65c78090c52bb31b7

      SHA512

      1b726c782aeb31142bc7eed191803e671e6d65d49928b8427bacdddba1368bf68cb4b35722b8473fbb003c5461b5960566f859a970c0bedc625145bbdb760b45

    • C:\Users\tazebama.dll

      Filesize

      32KB

      MD5

      b6a03576e595afacb37ada2f1d5a0529

      SHA1

      d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

      SHA256

      1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

      SHA512

      181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

    • C:\autorun.inf

      Filesize

      126B

      MD5

      163e20cbccefcdd42f46e43a94173c46

      SHA1

      4c7b5048e8608e2a75799e00ecf1bbb4773279ae

      SHA256

      7780bee9df142a17e0457f3dcb2788b50fc2792370089335597d33719126fb7e

      SHA512

      e5ac0ff6b087857799ab70f68067c9dc73eeb93ccfcad87047052380b95ade3e6eb2a7d01a0f850d548a39f4b1ebb60e299d603dbe25c31b9a3585b34a0c65a8

    • C:\zPharaoh.exe

      Filesize

      152KB

      MD5

      12cd42bf61fe63acec4a2c452b8f4e5a

      SHA1

      b99d152d45091969d38c47ef1b4167ed22dd99b2

      SHA256

      d733973641dc967a4fce5ed2a82a427c66ee70106cff38be260f3001b5386ab8

      SHA512

      b26e76979fdccd8e8bc2f37dcac2de57bed543ec919f8ef6e2be433aa24bad38d86dece7ae31d185ab19509df3c0ebd3e5a36d88e5f5d3e033986fe9fa813cfa

    • F:\zPharaoh.exe

      Filesize

      151KB

      MD5

      d7f903ac9ea7a0b33b6b0a8340f0d508

      SHA1

      44bf0aa7745845c9d3ec6a1ad88edb0b90dd25f5

      SHA256

      79842dafee993856a7b63daa308400b46e352446bc14cba0f105d1d3ef7ecc1f

      SHA512

      d1f712f0e26e336a3587859bcc0f31b45057e3679faf5d52651ef142256e10d132dc8c5ee6a01f8ca1de22f4bbe7e668c4b0bb35cd9fe94a1ffdf18e8e60994d

    • memory/2176-0-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2176-11-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2176-10-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2176-41-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2176-42-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3040-12-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/3040-40-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB