Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 15:43

General

  • Target
    faaee3814f0f2231832f05fff908dbc2_JaffaCakes118.exe
  • Size 64KB
  • Sample240927-s56abazbmn
  • SHA256 e15417969433d3e7a7036192ca6c6bec1e645563c8ee4b0a06420d313e6f4b86
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 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
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 6 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3576
      • C:\Users\Admin\AppData\Local\Temp\faaee3814f0f2231832f05fff908dbc2_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\faaee3814f0f2231832f05fff908dbc2_JaffaCakes118.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2480
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4296
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1532
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8EB3.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:380
          • C:\Users\Admin\AppData\Local\Temp\faaee3814f0f2231832f05fff908dbc2_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\faaee3814f0f2231832f05fff908dbc2_JaffaCakes118.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Drops file in System32 directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:4016
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops startup file
          • Executes dropped EXE
          • Loads dropped DLL
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3532
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1832
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1328
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1136
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3200

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          GoogleUpdateCore.exe

          • Path C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe
          • Size 251KB
          • SHA256 ed6f56ac9b71448bd8784191ff48c91f79de17fc017b3dad6dba2303f911868a
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Program Files\7-Zip\7z.exe
          • Size 577KB
          • SHA256 bee83a2137bb88a91db7a7dfe6f8fcb8d593e8737f465f560f9937abe09bf351
          • MD5 SHA1 SHA512 SSDEEP

          windowsdesktop-runtime-8.0.2-win-x64.exe

          • Path C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe
          • Size 643KB
          • SHA256 d03267a079c57585b9118b054d4ae79713164c7cbdee0baa4ac804231c91b7f2
          • MD5 SHA1 SHA512 SSDEEP

          $$a8EB3.bat

          • Path C:\Users\Admin\AppData\Local\Temp\$$a8EB3.bat
          • Size 614B
          • SHA256 535e96ce69125a1f7b963c9c58062cddb733fe6b33aef451ce79c3634af2012e
          • MD5 SHA1 SHA512

          faaee3814f0f2231832f05fff908dbc2_JaffaCakes118.exe.exe

          • Path C:\Users\Admin\AppData\Local\Temp\faaee3814f0f2231832f05fff908dbc2_JaffaCakes118.exe.exe
          • Size 31KB
          • SHA256 65bae36571550c07b48bb7c3bf2bc8c2eaac9ea72a19c01eed05640a1c45c8f4
          • MD5 SHA1 SHA512 SSDEEP

          Logo1_.exe

          • Path C:\Windows\Logo1_.exe
          • Size 33KB
          • SHA256 70246dae8fc3e04e60153735ae42510f9e52a14b27d01793078528d71185914b
          • MD5 SHA1 SHA512 SSDEEP

          hydll.dll

          • Path C:\Windows\SysWOW64\hydll.dll
          • Size 38KB
          • SHA256 10a64a5790d1a8f54b995786a6555987246de8b4e7d745b0da1e3c014fb8481b
          • MD5 SHA1 SHA512 SSDEEP

          _desktop.ini

          • Path F:\$RECYCLE.BIN\S-1-5-21-523280732-2327480845-3730041215-1000\_desktop.ini
          • Size 9B
          • SHA256 764d6e01167c96b3c0319281c7b37519d014618944354bfdbcc06a0d1c49d402
          • MD5 SHA1 SHA512

          memory/2480-0-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/2480-11-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/3532-32-0x0000000000580000-0x000000000058F000-memory.dmp

          memory/3532-30-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/3532-29-0x0000000000580000-0x000000000058F000-memory.dmp

          memory/3532-3553-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/3532-8-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/3532-8768-0x0000000000400000-0x000000000043F000-memory.dmp

          memory/4016-35-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/4016-34-0x0000000000570000-0x000000000057F000-memory.dmp

          memory/4016-21-0x0000000000570000-0x000000000057F000-memory.dmp

          memory/4016-15-0x0000000000400000-0x000000000041F000-memory.dmp