Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 19:20

General

  • Target
    a2381438830c9dea5950abda8fa2cf4d.exe
  • Size 1.1MB
  • Sample240107-x2jpcsdca3
  • SHA256 22b38ee022a7e7e2f55626a236607ce1985dcb049980802216eddce095842e25
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 14 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in System32 directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2381438830c9dea5950abda8fa2cf4d.exe
    "C:\Users\Admin\AppData\Local\Temp\a2381438830c9dea5950abda8fa2cf4d.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Arquivos de programas\jk.bat" "
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Arquivos de programas\Olly.exe
        Olly.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:2752
        • C:\Windows\SysWOW64\28463\CJPO.exe
          "C:\Windows\system32\28463\CJPO.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2548
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    PID:268

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        4.jpeg

        • Path C:\Arquivos de programas\4.jpeg
        • Size 172KB
        • SHA256 5e6e70d3d38ef9307f402cbc8f9c16e10c6e170a568d29e8804d933f4d29193f
        • MD5 SHA1 SHA512 SSDEEP

        jk.bat

        • Path C:\Arquivos de programas\jk.bat
        • Size 28B
        • SHA256 357424002bbaea2ca847158c4b42bc90860013a04c2178f729f55f626b7a58cb
        • MD5 SHA1 SHA512

        1.JPG

        • Path C:\Users\Admin\AppData\Local\Temp\1.JPG
        • Size 125KB
        • SHA256 b4236ddd0e86537d15455f5ce484831b2769c40abe8179ae1d3c92a60844a8df
        • MD5 SHA1 SHA512 SSDEEP

        AKV.exe

        • Path C:\Windows\SysWOW64\28463\AKV.exe
        • Size 457KB
        • SHA256 02b8379b1838ea70f7f17e0785aaaedb7c721d9b6e262577723bba9492748d0c
        • MD5 SHA1 SHA512 SSDEEP

        CJPO.001

        • Path C:\Windows\SysWOW64\28463\CJPO.001
        • Size 298B
        • SHA256 5c34c5d27a2e44ad9398d1f30988701300687a9c4d4d9adb97866e1a3456423e
        • MD5 SHA1 SHA512

        CJPO.006

        • Path C:\Windows\SysWOW64\28463\CJPO.006
        • Size 8KB
        • SHA256 984da5476c2c69a779bc99d0901569347cc605a36499e2284706cda3ed6e13f3
        • MD5 SHA1 SHA512 SSDEEP

        CJPO.007

        • Path C:\Windows\SysWOW64\28463\CJPO.007
        • Size 5KB
        • SHA256 94f6502a4e94de0301ae07befd63767a4de35d9b2d2d00687a3130e883ab1963
        • MD5 SHA1 SHA512 SSDEEP

        key.bin

        • Path C:\Windows\SysWOW64\28463\key.bin
        • Size 106B
        • SHA256 fc42ab050ffdfed8c8c7aac6d7e4a7cad4696218433f7ca327bcfdf9f318ac98
        • MD5 SHA1 SHA512

        Olly.exe

        • Path \Arquivos de programas\Olly.exe
        • Size 896KB
        • SHA256 d56f1f993340b9cf299273eddd4aa5270fbb4cc8422d870d470b45b63bc4a431
        • MD5 SHA1 SHA512 SSDEEP

        @7D4B.tmp

        • Path \Users\Admin\AppData\Local\Temp\@7D4B.tmp
        • Size 4KB
        • SHA256 4c9cca81f2f2d91b636c0ec747e96821749788368c48981bf04accfeb5c2e5d0
        • MD5 SHA1 SHA512

        CJPO.exe

        • Path \Windows\SysWOW64\28463\CJPO.exe
        • Size 648KB
        • SHA256 0ca27dfe22971bfb19c7f3d6fe03cd398816a88fc50943ba9821fa6b91be7807
        • MD5 SHA1 SHA512 SSDEEP

        memory/268-87-0x0000000000200000-0x0000000000202000-memory.dmp

        memory/2028-51-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/2548-84-0x00000000024B0000-0x00000000024B1000-memory.dmp

        memory/2548-99-0x0000000003330000-0x0000000003331000-memory.dmp

        memory/2548-61-0x00000000031E0000-0x00000000031E3000-memory.dmp

        memory/2548-126-0x0000000000970000-0x00000000009CA000-memory.dmp

        memory/2548-81-0x00000000001F0000-0x00000000001F1000-memory.dmp

        memory/2548-82-0x00000000005C0000-0x00000000005C1000-memory.dmp

        memory/2548-57-0x0000000000400000-0x00000000004DF000-memory.dmp

        memory/2548-89-0x0000000003280000-0x0000000003281000-memory.dmp

        memory/2548-86-0x0000000002610000-0x0000000002611000-memory.dmp

        memory/2548-52-0x00000000009E0000-0x0000000000ABF000-memory.dmp

        memory/2548-91-0x00000000032A0000-0x00000000032A1000-memory.dmp

        memory/2548-93-0x00000000032C0000-0x00000000032C1000-memory.dmp

        memory/2548-95-0x00000000032E0000-0x00000000032E1000-memory.dmp

        memory/2548-97-0x0000000003310000-0x0000000003311000-memory.dmp

        memory/2548-101-0x0000000003350000-0x0000000003351000-memory.dmp

        memory/2548-59-0x0000000000970000-0x00000000009CA000-memory.dmp

        memory/2548-124-0x00000000009E0000-0x0000000000ABF000-memory.dmp

        memory/2548-104-0x0000000003390000-0x0000000003391000-memory.dmp

        memory/2548-103-0x0000000003370000-0x0000000003371000-memory.dmp

        memory/2548-105-0x00000000033B0000-0x00000000033B1000-memory.dmp

        memory/2548-106-0x00000000033D0000-0x00000000033D1000-memory.dmp

        memory/2548-123-0x00000000009E0000-0x0000000000ABF000-memory.dmp

        memory/2548-45-0x0000000000400000-0x00000000004DF000-memory.dmp

        memory/2548-122-0x0000000000400000-0x00000000004DF000-memory.dmp

        memory/2752-23-0x0000000000020000-0x0000000000028000-memory.dmp

        memory/2752-118-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/2752-26-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/2752-44-0x00000000025D0000-0x00000000026AF000-memory.dmp

        memory/2752-80-0x0000000000530000-0x0000000000532000-memory.dmp

        memory/2760-19-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/2760-16-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/2760-102-0x0000000000400000-0x0000000000402000-memory.dmp