Analysis

  • max time kernel
    144s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2025, 01:23

General

  • Target
    JaffaCakes118_8a357461a77deec8407c5128d0a92a75.exe
  • Size 1.5MB
  • Sample250328-bryvmszzb1
  • SHA256 a8deb7b2ee86f8afc6dba0071c10d512145fb5d276c0e0188bb32338b047a33f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax family
  • Ardamax main executable 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 7 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 12 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 7 IoCs
  • UPX packed file 14 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a357461a77deec8407c5128d0a92a75.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a357461a77deec8407c5128d0a92a75.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Program Files\Java\jre-1.8\bin\javaw.exe
      "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\RSlite.jar"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4864
    • C:\Users\Admin\AppData\Local\Temp\Install.exe
      "C:\Users\Admin\AppData\Local\Temp\Install.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\SysWOW64\28463\WQQB.exe
        "C:\Windows\system32\28463\WQQB.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5504
    • C:\Users\Admin\AppData\Local\Temp\rslite.exe
      "C:\Users\Admin\AppData\Local\Temp\rslite.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4156
      • C:\Users\Admin\AppData\Local\Temp\FireFox.exe
        "C:\Users\Admin\AppData\Local\Temp\FireFox.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4816
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4488
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\28463\WQQB.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3620
    • C:\Windows\SysWOW64\28463\WQQB.exe
      C:\Windows\SysWOW64\28463\WQQB.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1236

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        @8656.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\@8656.tmp
        • Size 4KB
        • SHA256 db0e9d83d8a5309ae4ab4747ff6ce506a2f85b01a598caad697a69b3ddb557a1
        • MD5 SHA1 SHA512

        Firefox.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Firefox.exe
        • Size 80KB
        • SHA256 2b7e9ccc3ad34a02fe6c96ddacbf0b603c0a17f802444949a34f51baf2cad411
        • MD5 SHA1 SHA512 SSDEEP

        Install.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Install.exe
        • Size 784KB
        • SHA256 d9269bb61b40e62cedb1207793cdef78d081d811f9493db42453c5a05ab63438
        • MD5 SHA1 SHA512 SSDEEP

        RSlite.jar

        • Path C:\Users\Admin\AppData\Local\Temp\RSlite.jar
        • Size 3KB
        • SHA256 6de5b765de29e32f3a8d68c77e1651c69c43cecb66bc998ecd8dd43c6c128b2d
        • MD5 SHA1 SHA512

        nspr4.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nspr4.dll
        • Size 72KB
        • SHA256 69e73fea2210adc2ae0837ac98b46980a09fe91c07f181a28fda195e2b9e6b71
        • MD5 SHA1 SHA512 SSDEEP

        nss3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nss3.dll
        • Size 172KB
        • SHA256 769703fb1ba6c95fb6c889e8a9baaea309e62d0f3ca444d01cc6b495c0f722d1
        • MD5 SHA1 SHA512 SSDEEP

        plc4.dll

        • Path C:\Users\Admin\AppData\Local\Temp\plc4.dll
        • Size 8KB
        • SHA256 2dc0171b83c406db6ec9389b438828246b282862d2b8bdf2f5b75aec932a69f7
        • MD5 SHA1 SHA512 SSDEEP

        plds4.dll

        • Path C:\Users\Admin\AppData\Local\Temp\plds4.dll
        • Size 6KB
        • SHA256 50b2735318233d6c87b6efccccc23a0e3216d2870c67f2f193cc1c83c7c879fc
        • MD5 SHA1 SHA512 SSDEEP

        rslite.exe

        • Path C:\Users\Admin\AppData\Local\Temp\rslite.exe
        • Size 512KB
        • SHA256 e49376d01f073ccd67add0ab0c20b1553e57db86766217c52ebda535178725e7
        • MD5 SHA1 SHA512 SSDEEP

        softokn3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\softokn3.dll
        • Size 155KB
        • SHA256 251f0094b6b6537df3d3ce7c2663726616f06cfb9b6de90efabd67de2179a477
        • MD5 SHA1 SHA512 SSDEEP

        AKV.exe

        • Path C:\Windows\SysWOW64\28463\AKV.exe
        • Size 457KB
        • SHA256 5b387c65f0c677d415a3ec75fc314ecf4825b85cc8316575267ece340810c3f7
        • MD5 SHA1 SHA512 SSDEEP

        WQQB.001

        • Path C:\Windows\SysWOW64\28463\WQQB.001
        • Size 576B
        • SHA256 06c43706fc758bae4f462c5d00c1faacd064912fccebae4735c61d4abf4c79c4
        • MD5 SHA1 SHA512

        WQQB.006

        • Path C:\Windows\SysWOW64\28463\WQQB.006
        • Size 8KB
        • SHA256 273375c7be87b6da793320ee25ea08967bf8cb43e6213e4af94955e565afabc9
        • MD5 SHA1 SHA512 SSDEEP

        WQQB.007

        • Path C:\Windows\SysWOW64\28463\WQQB.007
        • Size 5KB
        • SHA256 9a1a58cea0b0cfe3479d29bb39b0a5af0ee75fbd94254529ad28f2e54aec30e5
        • MD5 SHA1 SHA512 SSDEEP

        WQQB.exe

        • Path C:\Windows\SysWOW64\28463\WQQB.exe
        • Size 647KB
        • SHA256 c6b1edc51c705e8f46ab7b2ddc03378e0f2bdcc4948578eff870aad6d421acd1
        • MD5 SHA1 SHA512 SSDEEP

        key.bin

        • Path C:\Windows\SysWOW64\28463\key.bin
        • Size 105B
        • SHA256 172d6f21165fb3ca925e5b000451fd8946920206f7438018c28b158b90cf5ffb
        • MD5 SHA1 SHA512

        memory/1236-111-0x0000000000400000-0x00000000004DF000-memory.dmp

        memory/1236-117-0x0000000000400000-0x00000000004DF000-memory.dmp

        memory/4156-61-0x00007FF844F00000-0x00007FF8458A1000-memory.dmp

        memory/4156-91-0x00007FF844F00000-0x00007FF8458A1000-memory.dmp

        memory/4156-44-0x00007FF844F00000-0x00007FF8458A1000-memory.dmp

        memory/4156-34-0x00007FF8451B5000-0x00007FF8451B6000-memory.dmp

        memory/4816-77-0x0000000060140000-0x000000006016D000-memory.dmp

        memory/4816-85-0x0000000060140000-0x000000006016D000-memory.dmp

        memory/4816-76-0x0000000060170000-0x00000000601D7000-memory.dmp

        memory/4816-78-0x0000000060210000-0x000000006021A000-memory.dmp

        memory/4816-79-0x0000000060220000-0x0000000060229000-memory.dmp

        memory/4816-86-0x0000000060210000-0x000000006021A000-memory.dmp

        memory/4816-80-0x0000000060260000-0x00000000602BF000-memory.dmp

        memory/4816-88-0x0000000060260000-0x00000000602BF000-memory.dmp

        memory/4816-87-0x0000000060220000-0x0000000060229000-memory.dmp

        memory/4864-101-0x00000177E77E0000-0x00000177E77E1000-memory.dmp

        memory/4864-26-0x00000177E9240000-0x00000177E94B0000-memory.dmp

        memory/4864-120-0x00000177E9240000-0x00000177E94B0000-memory.dmp

        memory/4864-124-0x00000177E77E0000-0x00000177E77E1000-memory.dmp

        memory/5504-75-0x0000000000400000-0x00000000004DF000-memory.dmp

        memory/5504-122-0x0000000000400000-0x00000000004DF000-memory.dmp

        memory/5504-143-0x0000000000400000-0x00000000004DF000-memory.dmp