Analysis

  • max time kernel
    155s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:37

General

  • Target

    GFR Striff GmbH Quote Request.exe

  • Size

    553KB

  • MD5

    a2696acada8560e12f34664bd720decc

  • SHA1

    90fba0988d19126be5f1f6ed2babe4d0f04986ef

  • SHA256

    11aa22e98826cc2c74889fbfc61f54d8df27d6c83404fab1c6f4d0211bbdbeb1

  • SHA512

    66d3536f64dc161e221f29820a578d1df83335986a8bfbc25ac855fab4e46b60dd880cff2bfc812d643525527fa20098d55f3adb2bf079fdcee222d352a12286

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\GFR Striff GmbH Quote Request.exe
    "C:\Users\Admin\AppData\Local\Temp\GFR Striff GmbH Quote Request.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v winservie /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\winservie.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4060
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v winservie /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\winservie.exe"
        3⤵
        • Adds Run key to start application
        PID:1244
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process C:\Users\Admin\AppData\Roaming\winservie.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3912
      • C:\Users\Admin\AppData\Roaming\winservie.exe
        "C:\Users\Admin\AppData\Roaming\winservie.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4936

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\winservie.exe
    Filesize

    553KB

    MD5

    a2696acada8560e12f34664bd720decc

    SHA1

    90fba0988d19126be5f1f6ed2babe4d0f04986ef

    SHA256

    11aa22e98826cc2c74889fbfc61f54d8df27d6c83404fab1c6f4d0211bbdbeb1

    SHA512

    66d3536f64dc161e221f29820a578d1df83335986a8bfbc25ac855fab4e46b60dd880cff2bfc812d643525527fa20098d55f3adb2bf079fdcee222d352a12286

  • C:\Users\Admin\AppData\Roaming\winservie.exe
    Filesize

    553KB

    MD5

    a2696acada8560e12f34664bd720decc

    SHA1

    90fba0988d19126be5f1f6ed2babe4d0f04986ef

    SHA256

    11aa22e98826cc2c74889fbfc61f54d8df27d6c83404fab1c6f4d0211bbdbeb1

    SHA512

    66d3536f64dc161e221f29820a578d1df83335986a8bfbc25ac855fab4e46b60dd880cff2bfc812d643525527fa20098d55f3adb2bf079fdcee222d352a12286

  • memory/1244-135-0x0000000000000000-mapping.dmp
  • memory/2440-130-0x0000000000370000-0x0000000000400000-memory.dmp
    Filesize

    576KB

  • memory/2440-131-0x0000000005B10000-0x00000000060B4000-memory.dmp
    Filesize

    5.6MB

  • memory/2440-132-0x0000000005640000-0x00000000056D2000-memory.dmp
    Filesize

    584KB

  • memory/2440-133-0x00000000057B0000-0x00000000057F4000-memory.dmp
    Filesize

    272KB

  • memory/3912-142-0x0000000006360000-0x000000000637E000-memory.dmp
    Filesize

    120KB

  • memory/3912-138-0x00000000055E0000-0x0000000005C08000-memory.dmp
    Filesize

    6.2MB

  • memory/3912-139-0x0000000005440000-0x0000000005462000-memory.dmp
    Filesize

    136KB

  • memory/3912-140-0x0000000005D10000-0x0000000005D76000-memory.dmp
    Filesize

    408KB

  • memory/3912-141-0x0000000005D80000-0x0000000005DE6000-memory.dmp
    Filesize

    408KB

  • memory/3912-137-0x0000000004E30000-0x0000000004E66000-memory.dmp
    Filesize

    216KB

  • memory/3912-143-0x0000000006950000-0x00000000069E6000-memory.dmp
    Filesize

    600KB

  • memory/3912-145-0x00000000068F0000-0x0000000006912000-memory.dmp
    Filesize

    136KB

  • memory/3912-144-0x00000000068A0000-0x00000000068BA000-memory.dmp
    Filesize

    104KB

  • memory/3912-136-0x0000000000000000-mapping.dmp
  • memory/4060-134-0x0000000000000000-mapping.dmp
  • memory/4936-147-0x0000000000000000-mapping.dmp