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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f38ca18877da4532b7ad3b69349a1d4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6f38ca18877da4532b7ad3b69349a1d4_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • 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:3508
    • C:\windows\servar.exe
      "C:\windows\servar.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3456
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 368
        3⤵
        • Program crash
        PID:412
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c afc9fe2f418b00a0.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3456 -ip 3456
    1⤵
      PID:4520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\3596799a1543bc9f.aqq

      Filesize

      230B

      MD5

      ebe7a5976a5116504a7658df92bc3e85

      SHA1

      3dc9b4e647ab7739d1b5715ff8c7b04556d2a970

      SHA256

      09433041453057358f16a486db484f230ae4ff6909cd464d7d105647d289d87b

      SHA512

      2def3cf6f9ecaeb2ece1d2fa1d76ed8321db5c004c0a673c8563b845178c53eb42b3b8d6eac6a67f19ce4c87f104a4d993aa8b2d1eaa58e842e883b340f2aa73

    • 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/3456-13-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3456-14-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3508-1-0x0000000000400000-0x0000000001A97000-memory.dmp

      Filesize

      22.6MB

    • memory/3508-17-0x0000000000400000-0x0000000001A97000-memory.dmp

      Filesize

      22.6MB