Analysis

  • max time kernel
    140s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 19:43

General

  • Target
    21722a110bb1e6b58669826818f86cda_JaffaCakes118.exe
  • Size 1.2MB
  • Sample240507-yfrnhsfa32
  • SHA256 b157fd3064fc77b986f5333b9f0b898c5ea3677f1434fb8ca2369e18b43af166
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 5 IoCs

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

  • Executes dropped EXE 33 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21722a110bb1e6b58669826818f86cda_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\21722a110bb1e6b58669826818f86cda_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Local\Temp\SDM143\Free Ride Games.exe
      "C:\Users\Admin\AppData\Local\Temp\SDM143\Free Ride Games.exe" "u 'http://www.freeridegames.com/spdo/feeds/sdmConfig?camp=%s&serviceId=143&gameId=%d' p '143' c '681950' m 'playfincpa003' t '0' l 'Default'"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3484
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UHR
        3⤵
        • Executes dropped EXE
        PID:2840
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UPR
        3⤵
        • Executes dropped EXE
        PID:2496
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        ER
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4384
        • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
          R
          4⤵
          • Executes dropped EXE
          • Modifies registry class
          PID:1652
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UHW
        3⤵
        • Executes dropped EXE
        PID:3736
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UPW
        3⤵
        • Executes dropped EXE
        PID:4332
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        EW
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1940
        • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
          W
          4⤵
          • Executes dropped EXE
          PID:4424
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UHW
        3⤵
        • Executes dropped EXE
        PID:4376
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UPW
        3⤵
        • Executes dropped EXE
        PID:1556
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        EW
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2640
        • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
          W
          4⤵
          • Executes dropped EXE
          PID:2864
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UHW
        3⤵
        • Executes dropped EXE
        PID:3224
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UPW
        3⤵
        • Executes dropped EXE
        PID:4208
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        EW
        3⤵
        • Executes dropped EXE
        PID:3076
        • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
          W
          4⤵
          • Executes dropped EXE
          PID:2448
  • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
    "C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe" HR
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      R
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:1196
  • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
    "C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe" PR
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      R
      2⤵
      • Executes dropped EXE
      PID:3688
  • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
    "C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe" HW
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:4620
  • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
    "C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe" PW
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3316
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:3160
  • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
    "C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe" HW
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3764
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:400
  • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
    "C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe" PW
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:4820
  • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
    "C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe" HW
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4452
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:216
  • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
    "C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe" PW
    1⤵
    • Executes dropped EXE
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:1424

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ietemp1.dat

        • Path C:\Users\Admin\AppData\LocalLow\Temp\ietemp1.dat
        • Size 124B
        • SHA256 e0b7c31385011f507a948a755a49fefe1fd267bbefda462d0bf9a29c2a0f54b7
        • MD5 SHA1 SHA512

        ietemp1.dat

        • Path C:\Users\Admin\AppData\LocalLow\Temp\ietemp1.dat
        • Size 242B
        • SHA256 bca8e3028edf5e381a19c12660f4df44790bb69d4e4aa894a645680594556c73
        • MD5 SHA1 SHA512

        ietemp1.dat

        • Path C:\Users\Admin\AppData\LocalLow\Temp\ietemp1.dat
        • Size 358B
        • SHA256 f8a136160dec9615eade2e28f65cd8aaa02ef5fa5f7b171c10b0295807d51f68
        • MD5 SHA1 SHA512

        ietemp1.dat

        • Path C:\Users\Admin\AppData\Local\Packages\windows_ie_ac_001\AC\Temp\ietemp1.dat
        • Size 108B
        • SHA256 28ce0ce19c6029739c84422584aa5eb65c4e1dffa1cff9cf4516993be972b6a2
        • MD5 SHA1 SHA512

        ietemp1.dat

        • Path C:\Users\Admin\AppData\Local\Packages\windows_ie_ac_001\AC\Temp\ietemp1.dat
        • Size 210B
        • SHA256 0e749ac8554ab9506887255f6f50a6d2137986146f0c498faa69ebf055cd7df6
        • MD5 SHA1 SHA512

        ietemp1.dat

        • Path C:\Users\Admin\AppData\Local\Packages\windows_ie_ac_001\AC\Temp\ietemp1.dat
        • Size 310B
        • SHA256 f62b9abff1d761ec07bc32b266b1cac5e6af29644f863dc64549f5dd395c23a3
        • MD5 SHA1 SHA512

        ietemp1.dat

        • Path C:\Users\Admin\AppData\Local\Packages\windows_ie_ac_001\AC\Temp\ietemp1.dat
        • Size 23B
        • SHA256 d5e0a12b015868fdafdbdcef807fee6bf17e326db04c64079833e829bf34112e
        • MD5 SHA1 SHA512

        Free Ride Games.exe

        • Path C:\Users\Admin\AppData\Local\Temp\SDM143\Free Ride Games.exe
        • Size 504KB
        • SHA256 18f4519d20252bf579b887adec25554ac412bd79604547cca12f9f589549f952
        • MD5 SHA1 SHA512 SSDEEP

        Splasher.dll

        • Path C:\Users\Admin\AppData\Local\Temp\SDM143\Splasher.dll
        • Size 475KB
        • SHA256 2e522a4da2c291ebcde484b4a04a6ef0691a732b9db454f12399d3e577327c96
        • MD5 SHA1 SHA512 SSDEEP

        cmhelper.exe

        • Path C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        • Size 234KB
        • SHA256 93a63465ea363661a141043c404f5b94ab9ac6cfeee3fd158bdf4e1fc50e3af5
        • MD5 SHA1 SHA512 SSDEEP

        resourceDll.dll

        • Path C:\Users\Admin\AppData\Local\Temp\SDM143\resourceDll.dll
        • Size 171KB
        • SHA256 7d940af8950b106227539cd4bdfb62f2d37a4abeaf568ebe2275fd31058c2ca5
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu38A5.tmp\System.dll
        • Size 11KB
        • SHA256 75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
        • MD5 SHA1 SHA512 SSDEEP

        memory/216-114-0x0000000000760000-0x000000000079A000-memory.dmp

        memory/400-96-0x0000000000980000-0x00000000009BA000-memory.dmp

        memory/1196-60-0x0000000000630000-0x000000000066A000-memory.dmp

        memory/1652-71-0x0000000000F60000-0x0000000000F9A000-memory.dmp

        memory/2448-127-0x00000000002F0000-0x000000000032A000-memory.dmp

        memory/2864-107-0x00000000008F0000-0x000000000092A000-memory.dmp

        memory/3484-50-0x0000000010000000-0x000000001009F000-memory.dmp

        memory/3484-52-0x0000000010000000-0x000000001009F000-memory.dmp

        memory/3484-47-0x0000000010000000-0x000000001009F000-memory.dmp

        memory/3484-44-0x0000000000400000-0x0000000000553000-memory.dmp

        memory/3484-153-0x0000000000400000-0x0000000000553000-memory.dmp

        memory/4424-89-0x0000000000620000-0x000000000065A000-memory.dmp

        memory/4620-78-0x00000000000D0000-0x000000000010A000-memory.dmp