Analysis

  • max time kernel
    142s
  • 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, 16:03

General

  • Target
    2100dd61aa4983e8d3fdee18ade84c21_JaffaCakes118.exe
  • Size 1.2MB
  • Sample240507-thnbnadh51
  • SHA256 480b5066ad2a0c76aa3cd99d7626845ad79dfb80488491bfbeb0b29ed0e95a7d
  • MD5 SHA1 SHA512 SSDEEP

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 6 IoCs

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

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • 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\2100dd61aa4983e8d3fdee18ade84c21_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2100dd61aa4983e8d3fdee18ade84c21_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:4308
    • 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 '610150' m 'playfincom' t '0' l 'Default'"
      2⤵
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UHR
        3⤵
        • Executes dropped EXE
        PID:1320
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UPR
        3⤵
        • Executes dropped EXE
        PID:4788
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        ER
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4484
        • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
          R
          4⤵
          • Executes dropped EXE
          • Modifies registry class
          PID:1396
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UHW
        3⤵
        • Executes dropped EXE
        PID:872
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UPW
        3⤵
        • Executes dropped EXE
        PID:1144
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        EW
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2768
        • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
          W
          4⤵
          • Executes dropped EXE
          PID:3068
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UHW
        3⤵
        • Executes dropped EXE
        PID:4584
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UPW
        3⤵
        • Executes dropped EXE
        PID:3912
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        EW
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2884
        • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
          W
          4⤵
          • Executes dropped EXE
          PID:912
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UHW
        3⤵
        • Executes dropped EXE
        PID:2716
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        UPW
        3⤵
        • Executes dropped EXE
        PID:4520
      • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        EW
        3⤵
        • Executes dropped EXE
        PID:4936
        • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
          W
          4⤵
          • Executes dropped EXE
          PID:3996
  • 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:1468
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      R
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4124
  • 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:2556
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      R
      2⤵
      • Executes dropped EXE
      PID:2408
  • 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:4236
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:3212
  • 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:3096
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:4604
  • 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:4868
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:4628
  • 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:2152
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:3736
  • 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:1412
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:4464
  • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
    "C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe" PW
    1⤵
    • Executes dropped EXE
    PID:1468
    • C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
      W
      2⤵
      • Executes dropped EXE
      PID:4300

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ietemp1.dat

        • Path C:\Users\Admin\AppData\LocalLow\Temp\ietemp1.dat
        • Size 119B
        • SHA256 336fb11c29cd7a96cfde4061e65c64d23b2bdcd1720c739b49589ffff7f5f64e
        • MD5 SHA1 SHA512

        ietemp1.dat

        • Path C:\Users\Admin\AppData\LocalLow\Temp\ietemp1.dat
        • Size 236B
        • SHA256 b0b7993d1a562d7ef7b178b3e39d0baa8984bc73ad5361af27b7b571f8838d57
        • MD5 SHA1 SHA512

        ietemp1.dat

        • Path C:\Users\Admin\AppData\Local\Packages\windows_ie_ac_001\AC\Temp\ietemp1.dat
        • Size 104B
        • SHA256 eb372cf4a79a088b6f3bcae49028ef87167c52317f0129e0f6db986c963193d7
        • 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

        ietemp1.dat

        • Path C:\Users\Admin\AppData\Local\Packages\windows_ie_ac_001\AC\Temp\ietemp1.dat
        • Size 206B
        • SHA256 7d2f21ba517a59f132c0f39871b2c1188b915aa97f41f214414f23d4cdec48c7
        • MD5 SHA1 SHA512

        Free Ride Games.exe

        • Path C:\Users\Admin\AppData\Local\Temp\SDM143\Free Ride Games.exe
        • Size 503KB
        • SHA256 b07ca37c2938966d2290c8b76f039febe8da9a919ad235b8eedaa583ce991b92
        • MD5 SHA1 SHA512 SSDEEP

        Splasher.dll

        • Path C:\Users\Admin\AppData\Local\Temp\SDM143\Splasher.dll
        • Size 469KB
        • SHA256 7868cec689ba10bb6d8a5a1abc0508183b817e5814fc504e090e104dd7d37483
        • MD5 SHA1 SHA512 SSDEEP

        cmhelper.exe

        • Path C:\Users\Admin\AppData\Local\Temp\SDM143\cmhelper.exe
        • Size 234KB
        • SHA256 9c980d85903561c44f84faaee80d911bf3c9ef9d238fe69b7ccc6998d0fe9232
        • MD5 SHA1 SHA512 SSDEEP

        resourceDll.dll

        • Path C:\Users\Admin\AppData\Local\Temp\SDM143\resourceDll.dll
        • Size 171KB
        • SHA256 e31a495075247fba426b5a4928560a578eaab44f828a2fdca496a05589509352
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3F3C.tmp\System.dll
        • Size 11KB
        • SHA256 75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
        • MD5 SHA1 SHA512 SSDEEP

        memory/912-111-0x0000000000D50000-0x0000000000D8A000-memory.dmp

        memory/1396-72-0x0000000000150000-0x000000000018A000-memory.dmp

        memory/3068-90-0x0000000000F30000-0x0000000000F6A000-memory.dmp

        memory/3212-79-0x00000000002C0000-0x00000000002FA000-memory.dmp

        memory/3708-50-0x0000000010000000-0x000000001009F000-memory.dmp

        memory/3708-47-0x0000000010000000-0x000000001009F000-memory.dmp

        memory/3708-44-0x0000000000400000-0x0000000000554000-memory.dmp

        memory/3708-52-0x0000000010000000-0x000000001009F000-memory.dmp

        memory/3708-170-0x0000000000400000-0x0000000000554000-memory.dmp

        memory/3996-129-0x0000000000280000-0x00000000002BA000-memory.dmp

        memory/4124-61-0x0000000000A10000-0x0000000000A4A000-memory.dmp

        memory/4464-118-0x0000000000460000-0x000000000049A000-memory.dmp