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Analysis

  • max time kernel
    143s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    25/07/2024, 10:34

General

  • Target

    6f38ca18877da4532b7ad3b69349a1d4_JaffaCakes118.exe

  • Size

    77KB

  • MD5

    6f38ca18877da4532b7ad3b69349a1d4

  • SHA1

    793fa2dc9a9d108f215be45d39533c95ff7661b6

  • SHA256

    edce7ba96dd0f05c060f9085cf2735979a8d026fe0ceef484af9b36b356e72ce

  • SHA512

    fb1d353672dd794bc4d30dd739a7bd56a871e56c30a1e4b458562acd0c8a5d0404b43b80a403fd76f4d9b639848a9c79c46f049c124314b678457021fc4f8491

  • SSDEEP

    1536:/QwOc0tE2Lfa9j336w5PQeTOJXOi4WEWod+58WUOW+RGaCCUn4Qy:/FsxfyHdh7TOdOi4JWod+58UW+RGaC/E

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f38ca18877da4532b7ad3b69349a1d4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6f38ca18877da4532b7ad3b69349a1d4_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\windows\servar.exe
      "C:\windows\servar.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2068
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c afc9fe2f418b00a0.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\afc9fe2f418b00a0.bat

    Filesize

    2KB

    MD5

    718b255b19ac24971a1c5de3a3dce33c

    SHA1

    958044b7075e31c765fb9d85c5fdaf79bb4b7441

    SHA256

    0e8eb42a5a28c2892bf90c24027a31e3574e9ab2198228594deb1016d2e03678

    SHA512

    ef27781fd0b56b0fd75c1824b17cf6edd6713069dc88638bc0914e2267e883352d014bde9cf407e6ec32d76000d0a7e6fe11be02f31054449e74774785f5402d

  • C:\Windows\servar.exe

    Filesize

    22.4MB

    MD5

    f85bf6b63d6900fe957ec3de292963fe

    SHA1

    014504f74bfa4ceb0fee528e9f8ebfaef3ba5906

    SHA256

    8991cdf1bdfb0fd59441543f03b5e0d8f4951c9ea84737f18d0423a67a2d731d

    SHA512

    ca3ca75368b179e4b05356d2e355714e8e04ddd4110241d8f62f9b52a7972322a051b32d3cfa145af7debb49c1347c5ca8c33daeed46e362979e6ba3d2b5bc86

  • memory/2068-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2068-32-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2532-10-0x0000000004310000-0x000000000431B000-memory.dmp

    Filesize

    44KB

  • memory/2532-9-0x0000000004310000-0x000000000431B000-memory.dmp

    Filesize

    44KB

  • memory/2532-1-0x0000000000400000-0x0000000001A97000-memory.dmp

    Filesize

    22.6MB

  • memory/2532-31-0x0000000000400000-0x0000000001A97000-memory.dmp

    Filesize

    22.6MB