Resubmissions

06-07-2024 06:07

240706-gvgcnazhrf 10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-07-2024 06:07

General

  • Target

    277f441499c1fb9ddf4d462c3b443b9e_JaffaCakes118.exe

  • Size

    4.2MB

  • MD5

    277f441499c1fb9ddf4d462c3b443b9e

  • SHA1

    5cf5da3598e4cf139f6e6ffb9a4d32e49ac9321a

  • SHA256

    05263375ffe64e8586c78e8e435007bff1f2a42684d48378eee68c07ba54a80e

  • SHA512

    0ce74ab987eaf7371f79c22afcc16e319781ee7a7fcdcd995fff402788fbaa0e132df529db6e804549556f332ad8d8828e48b7ca8b27a7da22feadc21c09f871

  • SSDEEP

    98304:pKHcMsDndy6iiHrjZE2/mkCUGP18szyTJr:w8dDlNLjpmkC/18ouJr

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 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

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

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\277f441499c1fb9ddf4d462c3b443b9e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\277f441499c1fb9ddf4d462c3b443b9e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\install.exe
      "C:\Users\Admin\AppData\Local\Temp\install.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3312
      • C:\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe
        __IRAOFF:520716 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\install.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        PID:2756
    • C:\Users\Admin\AppData\Local\Temp\Jerm's.exe
      "C:\Users\Admin\AppData\Local\Temp\Jerm's.exe"
      2⤵
      • Executes dropped EXE
      • Identifies Wine through registry keys
      PID:1368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Jerm's.exe

    Filesize

    1.4MB

    MD5

    84579454f55893badae4774a5ba1e3e5

    SHA1

    b06fc13d8d1cbd1ac6d8ffe06fbe08383424490c

    SHA256

    28053322a4bf87685897135790d15d4f1dffb26055e70a949f8a66ae3e72dcf1

    SHA512

    82fdadf376459fa6e9fabe322e76ea356ecdad00cf05a037ff703038285715ea0cf8439f30117c3d61fa7f6a04238b4e0c4f7497357b8c450b46d05899c88c16

  • C:\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe

    Filesize

    440KB

    MD5

    75ca7ff96bf5a316c3af2de6a412bd54

    SHA1

    0a093950790ff0dddff6f5f29c6b02c10997e0c5

    SHA256

    d95b5bf9ca97c1900de5357743282bab655d61d616606485088e1708559b7cf1

    SHA512

    b8da86f2f1e908955254e5168d0447f479cec7815a8b081a7b38eb87187cb2eb992109c67e006361b96bc1529ee8abc9dc477d78e9ca565e43f5415b492771d4

  • C:\Users\Admin\AppData\Local\Temp\install.exe

    Filesize

    2.8MB

    MD5

    21668854182822616124c714c5cb9c50

    SHA1

    0316c84cc63015398d7e8bd970099f80e8a1be3b

    SHA256

    2a9662c3c2af7916419a306d86b4b7fe82f87e3f770336c926cf40dfd5f088ef

    SHA512

    7b540a1b18eb9b9561fda051b78976ddcee4885be46deee5eccfbdd460159bca18b99a14164af16110cd736ba16e116d10d25a2871a6aadd31e8ffd69f631c29

  • memory/1368-29-0x0000000002560000-0x0000000002652000-memory.dmp

    Filesize

    968KB

  • memory/1368-28-0x0000000000C60000-0x0000000000C61000-memory.dmp

    Filesize

    4KB

  • memory/1368-27-0x0000000000400000-0x00000000007BD000-memory.dmp

    Filesize

    3.7MB

  • memory/2756-21-0x0000000000400000-0x0000000000527000-memory.dmp

    Filesize

    1.2MB

  • memory/2756-34-0x0000000000400000-0x0000000000527000-memory.dmp

    Filesize

    1.2MB

  • memory/2908-0-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2908-26-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB