Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    12/08/2024, 07:36

General

  • Target

    8ddf63e1c1fa0b4ec1da0cc1655a9715_JaffaCakes118.exe

  • Size

    87KB

  • MD5

    8ddf63e1c1fa0b4ec1da0cc1655a9715

  • SHA1

    e4a84ae0aaa99a7f85e18add134dba131fd414d7

  • SHA256

    9730a82e15e348ffd46b6104686b26c56844cbcb92e465a03b940486d8304f77

  • SHA512

    5908fe40cf3731aa1cd7d275e9611d72ef01a796f1c0cdac578130cf081fbcd1804c33c97841b1d6ea2d07e64541992f9b1a339bd0b5d7d036acdd1748c75c90

  • SSDEEP

    1536:s9Z3KcR4mjD9r8226+d9Z3KcR4mjD9r8226+9NwMgW8qpUWDvLcD:sr3KcWmjRrzSdr3KcWmjRrzSomUeDcD

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ddf63e1c1fa0b4ec1da0cc1655a9715_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8ddf63e1c1fa0b4ec1da0cc1655a9715_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Users\Admin\AppData\Local\Temp\FdFVoU991P5PxVl.exe
      C:\Users\Admin\AppData\Local\Temp\FdFVoU991P5PxVl.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2224
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab9031.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar9053.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Windows\CTS.exe

    Filesize

    72KB

    MD5

    1f1126cee145b7ee2a5acef5b4390cd1

    SHA1

    85f06bc095b55359592fba8e51e4345a2310cb48

    SHA256

    0bf69b6a859d2a2ba3d4849f15d1f28a58b8caa3b09a0b40b8426ccb1390ee50

    SHA512

    9ecc991e5a3b4d79cb69c0eb53aa3c18f5a18aa9aaa1fa203ec9ba8a6e59e07ef837dd492dc13ca3f1121d7b5d4f6e9c6511a5caf175ec63eb7cfdda9a625cb9

  • \Users\Admin\AppData\Local\Temp\FdFVoU991P5PxVl.exe

    Filesize

    15KB

    MD5

    92f9de5aaf4021b73961e14303746f95

    SHA1

    331b792e347ebaf6b6b4c9ac65d742061e1a9f0a

    SHA256

    13c921999e5ff273007a610a8521bbc77d884b41d9cbbd41e045b3497909659c

    SHA512

    314749d46a3584213e55c7030e087e06f1e5bc5fbb8f99210a4e3014b9f44f3be7e791f48c570dd0abaf73584322ebb6be0d2ea5dbbfe343245cced22b172225

  • memory/1908-15-0x0000000001270000-0x0000000001287000-memory.dmp

    Filesize

    92KB

  • memory/2120-0-0x0000000000990000-0x00000000009A7000-memory.dmp

    Filesize

    92KB

  • memory/2120-12-0x0000000000990000-0x00000000009A7000-memory.dmp

    Filesize

    92KB

  • memory/2224-17-0x00000000745C1000-0x00000000745C2000-memory.dmp

    Filesize

    4KB

  • memory/2224-26-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2224-111-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB