Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-10-2024 19:52

General

  • Target

    708c4903d2c9b814e171ecbb6b4075c4_JaffaCakes118.exe

  • Size

    661KB

  • MD5

    708c4903d2c9b814e171ecbb6b4075c4

  • SHA1

    aa20541b3f767ec23352416ff6c47677faa7b4d6

  • SHA256

    555d7f01b87389276190df857d26594c8ce3d8c956cc647f60cdce0723c5b8df

  • SHA512

    8ff7f15003016933cb05e92caf680905dbd601b70e4f8855897e64403b77d4598af8b7ddf734b77294edd5843acee61d13d6e7b6dffd2327b4de78606f16235f

  • SSDEEP

    12288:T0X/a1CSNDOQEauFRaOmiTLGXMpSAWvLFBVUw72x:A6vlqaFOVGpjVU9

Malware Config

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 10 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
  • Suspicious use of SetThreadContext 6 IoCs
  • UPX packed file 23 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 12 IoCs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\708c4903d2c9b814e171ecbb6b4075c4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\708c4903d2c9b814e171ecbb6b4075c4_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Users\Admin\AppData\Local\Temp\708c4903d2c9b814e171ecbb6b4075c4_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\708c4903d2c9b814e171ecbb6b4075c4_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Users\Admin\AppData\Local\Temp\ICMI10.exe
        "C:\Users\Admin\AppData\Local\Temp\ICMI10.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1904
    • C:\Users\Admin\AppData\Local\Temp\708c4903d2c9b814e171ecbb6b4075c4_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\708c4903d2c9b814e171ecbb6b4075c4_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Users\Admin\AppData\Roaming\FolderName\FileName.exe
        "C:\Users\Admin\AppData\Roaming\FolderName\FileName.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3056
        • C:\Users\Admin\AppData\Roaming\FolderName\FileName.exe
          "C:\Users\Admin\AppData\Roaming\FolderName\FileName.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2680
        • C:\Users\Admin\AppData\Roaming\FolderName\FileName.exe
          "C:\Users\Admin\AppData\Roaming\FolderName\FileName.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2196
          • C:\Windows\SysWOW64\ipconfig.exe
            "C:\Windows\system32\ipconfig.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            • Gathers network information
            • Suspicious use of WriteProcessMemory
            PID:912
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\VPIOV.bat" "
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1052
              • C:\Windows\SysWOW64\reg.exe
                REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Key Name" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderName\FileName.exe" /f
                7⤵
                • Adds Run key to start application
                • System Location Discovery: System Language Discovery
                PID:2416
        • C:\Users\Admin\AppData\Roaming\FolderName\FileName.exe
          "C:\Users\Admin\AppData\Roaming\FolderName\FileName.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1320
          • C:\Users\Admin\AppData\Roaming\FolderName\FileName.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ICMI10.exe

    Filesize

    584KB

    MD5

    faeba776a31577433922a73082aaa37b

    SHA1

    a7b0030ddb9b3ae2c7175025d4818f9b2a751144

    SHA256

    9ea32a5cc6884ca0f02074fc2033f41c32bfeee0ab3609a40dbb3ec29cae4c4f

    SHA512

    2162e2e01842b999214f5a507361655e9e01fc793352be19c3d0d726697e2a028bd632774ecfb1ef39d362c9e78bc732477af64c174fbf24f16120de59483d29

  • C:\Users\Admin\AppData\Local\Temp\VPIOV.bat

    Filesize

    149B

    MD5

    a7721cdbbbba65653ea208cb8193d12b

    SHA1

    ddf61419fa642e1176c559790138e3a0ee898c65

    SHA256

    d2336e875fe13cec23a748d16db82a25ba2dff3ec8f7477e84c4121f4d2a6847

    SHA512

    12fbec3ddb7eb7da28a12889a32f4f2aeb20bab9564d876760f82f7615c017b592381ab6ba3d945ffdeba86a150f54ccbdfa961580b74fa6692fbcbb24b11bb6

  • \Users\Admin\AppData\Roaming\FolderName\FileName.exe

    Filesize

    661KB

    MD5

    944f582248d71a83799d7268e1c54716

    SHA1

    89531551de711a75b92190faba6f0e6836421f32

    SHA256

    8fc47c111c9fc3e44230d0a894cb7368cbbd99c7f42faed6040e53eac2728e6e

    SHA512

    3fe123f9cb39a6b0d648866bcec6891224e7f513ca2a292ce7661aa9b8771e908eeaae653cd7fa276fbf3ce9c532bd50ce9a3ac5432fe6547d9a1484054b36f1

  • memory/912-132-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/1288-140-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1288-122-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1288-124-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1288-126-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1288-125-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1320-112-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/1320-101-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/1320-97-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/1320-99-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2196-142-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2196-110-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2272-31-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/2272-6-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/2272-2-0x0000000000401000-0x0000000000402000-memory.dmp

    Filesize

    4KB

  • memory/2272-3-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/2680-121-0x0000000000400000-0x000000000049B000-memory.dmp

    Filesize

    620KB

  • memory/2696-4-0x0000000000400000-0x000000000049B000-memory.dmp

    Filesize

    620KB

  • memory/2696-23-0x0000000000400000-0x000000000049B000-memory.dmp

    Filesize

    620KB

  • memory/2696-29-0x0000000000400000-0x000000000049B000-memory.dmp

    Filesize

    620KB

  • memory/2696-54-0x0000000000400000-0x000000000049B000-memory.dmp

    Filesize

    620KB

  • memory/2696-30-0x0000000000400000-0x000000000049B000-memory.dmp

    Filesize

    620KB

  • memory/2696-9-0x0000000000400000-0x000000000049B000-memory.dmp

    Filesize

    620KB

  • memory/2696-7-0x0000000000400000-0x000000000049B000-memory.dmp

    Filesize

    620KB

  • memory/2696-25-0x0000000000400000-0x000000000049B000-memory.dmp

    Filesize

    620KB

  • memory/2908-16-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2908-22-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2908-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2908-28-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2908-26-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2908-53-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2908-18-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2908-14-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2908-74-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2908-27-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB