Analysis

  • max time kernel
    154s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2022 22:30

General

  • Target

    8e1c929f9a8149d52292d7c11ab33bae80f1c9effdc40b25e9aef57ab34b92c5.exe

  • Size

    263KB

  • MD5

    4f85e4beff110697b2f67ecbecd38e20

  • SHA1

    bb0f13bfc1c305195f372cb51aa89dc701d3ff6c

  • SHA256

    8e1c929f9a8149d52292d7c11ab33bae80f1c9effdc40b25e9aef57ab34b92c5

  • SHA512

    bfcf31b75e62fa287e95652bef5be41da0d622b2812ab29dadc54a129715d30b71af9e0591467f99cf0190a487673f58a1e244cae0782b205f940eacb78b7515

  • SSDEEP

    3072:Te+mej7VQM/s8OzWDX/+WpCNDa3pAbG2ri3:Te5o7OM/sVsX/25a3pAbhri3

Score
8/10

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 50 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e1c929f9a8149d52292d7c11ab33bae80f1c9effdc40b25e9aef57ab34b92c5.exe
    "C:\Users\Admin\AppData\Local\Temp\8e1c929f9a8149d52292d7c11ab33bae80f1c9effdc40b25e9aef57ab34b92c5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4212
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" +s +h C:\Users\Admin\AppData\Local\Temp\8e1c929f9a8149d52292d7c11ab33bae80f1c9effdc40b25e9aef57ab34b92c5.exe
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:5000
    • C:\Windows\SysWOW64\REG.exe
      REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
      2⤵
      • Adds Run key to start application
      PID:4256
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
        PID:1084
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:2060
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:4832
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:1524
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:228
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:4988
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:3492
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:4092
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:4144
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:812
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:2416
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:3576
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:2724
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:1528
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:2760
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:3420
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:2348
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:4516
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:4424
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:3216
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:4308
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:3836
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:3476
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:64
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "rsegdgsg" /t REG_SZ /F /D "C:\Users\Admin\AppData\Local\Temp\\ergsergs\dev.exe
        2⤵
        • Adds Run key to start application
        PID:3912

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/64-159-0x0000000000000000-mapping.dmp
    • memory/228-140-0x0000000000000000-mapping.dmp
    • memory/812-145-0x0000000000000000-mapping.dmp
    • memory/1084-135-0x0000000000000000-mapping.dmp
    • memory/1524-139-0x0000000000000000-mapping.dmp
    • memory/1528-149-0x0000000000000000-mapping.dmp
    • memory/2060-136-0x0000000000000000-mapping.dmp
    • memory/2348-152-0x0000000000000000-mapping.dmp
    • memory/2416-146-0x0000000000000000-mapping.dmp
    • memory/2724-148-0x0000000000000000-mapping.dmp
    • memory/2760-150-0x0000000000000000-mapping.dmp
    • memory/3216-155-0x0000000000000000-mapping.dmp
    • memory/3420-151-0x0000000000000000-mapping.dmp
    • memory/3476-158-0x0000000000000000-mapping.dmp
    • memory/3492-142-0x0000000000000000-mapping.dmp
    • memory/3576-147-0x0000000000000000-mapping.dmp
    • memory/3836-157-0x0000000000000000-mapping.dmp
    • memory/3912-160-0x0000000000000000-mapping.dmp
    • memory/4092-143-0x0000000000000000-mapping.dmp
    • memory/4144-144-0x0000000000000000-mapping.dmp
    • memory/4212-132-0x0000000074C60000-0x0000000075211000-memory.dmp
      Filesize

      5.7MB

    • memory/4212-138-0x0000000074C60000-0x0000000075211000-memory.dmp
      Filesize

      5.7MB

    • memory/4256-134-0x0000000000000000-mapping.dmp
    • memory/4308-156-0x0000000000000000-mapping.dmp
    • memory/4424-154-0x0000000000000000-mapping.dmp
    • memory/4516-153-0x0000000000000000-mapping.dmp
    • memory/4832-137-0x0000000000000000-mapping.dmp
    • memory/4988-141-0x0000000000000000-mapping.dmp
    • memory/5000-133-0x0000000000000000-mapping.dmp