Analysis

  • max time kernel
    132s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    17/05/2024, 16:28

General

  • Target
    01bf8b7817a9965e2497b953a0d5a4c4431bded1e98172cd7afff9520640663e.exe
  • Size 8.3MB
  • Sample240517-typjnagd64
  • SHA256 01bf8b7817a9965e2497b953a0d5a4c4431bded1e98172cd7afff9520640663e
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • detect oss ak 1 IoCs

    oss ak information detected.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01bf8b7817a9965e2497b953a0d5a4c4431bded1e98172cd7afff9520640663e.exe
    "C:\Users\Admin\AppData\Local\Temp\01bf8b7817a9965e2497b953a0d5a4c4431bded1e98172cd7afff9520640663e.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\DeepLSetup\DeepLSetup 1.0.0.0\install\DeepL_Setup.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\01bf8b7817a9965e2497b953a0d5a4c4431bded1e98172cd7afff9520640663e.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1715703898 " AI_EUIMSI=""
      2⤵
      • Enumerates connected drives
      • Suspicious use of FindShellTrayWindow
      PID:2428
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 85E15EAD54FC7122C93CA7D79685B6B2 C
      2⤵
      • Loads dropped DLL
      PID:2792
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DCAAAF31A429174E468176E953D071C1
      2⤵
      • Loads dropped DLL
      PID:2772
    • C:\Windows\Installer\MSIFA0.tmp
      "C:\Windows\Installer\MSIFA0.tmp" /DontWait "C:\Users\Admin\AppData\Local\Temp\DeepL_x64.exe"
      2⤵
      • Executes dropped EXE
      PID:1428
    • C:\Windows\Installer\MSI106D.tmp
      "C:\Windows\Installer\MSI106D.tmp" /DontWait "C:\Users\Admin\AppData\Local\Temp\WindowsProgramInstaller.exe"
      2⤵
      • Executes dropped EXE
      PID:2708
  • C:\Users\Admin\AppData\Local\Temp\DeepL_x64.exe
    "C:\Users\Admin\AppData\Local\Temp\DeepL_x64.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of FindShellTrayWindow
    PID:472
  • C:\Users\Admin\AppData\Local\Temp\WindowsProgramInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\WindowsProgramInstaller.exe"
    1⤵
    • Executes dropped EXE
    PID:292

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        f760c35.rbs

        • Path C:\Config.Msi\f760c35.rbs
        • Size 421KB
        • SHA256 716c80a24cc36a77d6c4dcda0c2f0f8f952f9663bf1947826dc1dfa55330778f
        • MD5 SHA1 SHA512 SSDEEP

        DeepL_x64.exe

        • Path C:\Users\Admin\AppData\Local\Temp\DeepL_x64.exe
        • Size 4.2MB
        • SHA256 0037c9895723fb712b57b144cbb429f319ab5a3c1e4c44a3ffefa351486bcdaf
        • MD5 SHA1 SHA512 SSDEEP

        MSIAE9.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\MSIAE9.tmp
        • Size 587KB
        • SHA256 e140990b509dd6884a5742bde64f2cdaa10012d472b0b32de43ebecbc83242b6
        • MD5 SHA1 SHA512 SSDEEP

        WindowsProgramInstaller.exe

        • Path C:\Users\Admin\AppData\Local\Temp\WindowsProgramInstaller.exe
        • Size 3.6MB
        • SHA256 ba42b868a8618ca9ef05a27031c483d9306b944927cde7e9dd54c833447e9e91
        • MD5 SHA1 SHA512 SSDEEP

        DeepL_Setup.msi

        • Path C:\Users\Admin\AppData\Roaming\DeepLSetup\DeepLSetup 1.0.0.0\install\DeepL_Setup.msi
        • Size 2.2MB
        • SHA256 d22ddab47c5ba6fdc5f2b4c4d41644597d832a56bc91a2074092a55923bf3843
        • MD5 SHA1 SHA512 SSDEEP

        DeepL_Setup1.cab

        • Path C:\Users\Admin\AppData\Roaming\DeepLSetup\DeepLSetup 1.0.0.0\install\DeepL_Setup1.cab
        • Size 2.9MB
        • SHA256 f00693121cb98dd585afcc1718256b2f29179812a8ca91168a48c247d8f4d384
        • MD5 SHA1 SHA512 SSDEEP

        MSIDBA.tmp

        • Path C:\Windows\Installer\MSIDBA.tmp
        • Size 709KB
        • SHA256 1a3c0e60aad0a3bb92a6e0b786df93920aed7b0c7ec56ab49f2692102ac5adec
        • MD5 SHA1 SHA512 SSDEEP

        MSIFA0.tmp

        • Path C:\Windows\Installer\MSIFA0.tmp
        • Size 419KB
        • SHA256 f1dd0dd1e83b28ffa2ed30f46f98e94a4919ec1f4e9d33720354288b77153774
        • MD5 SHA1 SHA512 SSDEEP

        memory/472-63-0x0000000000FE0000-0x0000000001418000-memory.dmp

        memory/472-70-0x0000000000310000-0x000000000032A000-memory.dmp

        memory/1428-50-0x0000000000120000-0x0000000000122000-memory.dmp

        memory/2708-58-0x0000000000260000-0x0000000000262000-memory.dmp

        memory/3068-0-0x0000000000310000-0x0000000000311000-memory.dmp