Analysis

  • max time kernel
    127s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    30/05/2022, 22:11

General

  • Target

    085af04b094fa4ace83e52e475d99fefd9050099dba73b11c63308920fb87406.exe

  • Size

    1.0MB

  • MD5

    630f1f1db8de6ebd3194537bcba93320

  • SHA1

    e8d63e33bc211c4be7805401812b041c2b229ff7

  • SHA256

    085af04b094fa4ace83e52e475d99fefd9050099dba73b11c63308920fb87406

  • SHA512

    c66e3404db29d5bbeab8b14b4428f83cf3472223f7ffafe165a3d4c2a8d0aa5d40c1127fd4ab4936b43ccff9d0298d0e82b8b01eda59ca5b2da238bdccc1e249

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NTFS ADS 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\085af04b094fa4ace83e52e475d99fefd9050099dba73b11c63308920fb87406.exe
    "C:\Users\Admin\AppData\Local\Temp\085af04b094fa4ace83e52e475d99fefd9050099dba73b11c63308920fb87406.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\085af04b094fa4ace83e52e475d99fefd9050099dba73b11c63308920fb87406.exe:Zone.Identifier"
      2⤵
      • NTFS ADS
      PID:1732
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\085af04b094fa4ace83e52e475d99fefd9050099dba73b11c63308920fb87406.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VGAuthService.exe"
      2⤵
      • NTFS ADS
      PID:896
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VGAuthService.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VGAuthService.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VGAuthService.exe"
        3⤵
        • Executes dropped EXE
        PID:1316

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VGAuthService.exe

    Filesize

    1.0MB

    MD5

    630f1f1db8de6ebd3194537bcba93320

    SHA1

    e8d63e33bc211c4be7805401812b041c2b229ff7

    SHA256

    085af04b094fa4ace83e52e475d99fefd9050099dba73b11c63308920fb87406

    SHA512

    c66e3404db29d5bbeab8b14b4428f83cf3472223f7ffafe165a3d4c2a8d0aa5d40c1127fd4ab4936b43ccff9d0298d0e82b8b01eda59ca5b2da238bdccc1e249

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VGAuthService.exe

    Filesize

    1.0MB

    MD5

    630f1f1db8de6ebd3194537bcba93320

    SHA1

    e8d63e33bc211c4be7805401812b041c2b229ff7

    SHA256

    085af04b094fa4ace83e52e475d99fefd9050099dba73b11c63308920fb87406

    SHA512

    c66e3404db29d5bbeab8b14b4428f83cf3472223f7ffafe165a3d4c2a8d0aa5d40c1127fd4ab4936b43ccff9d0298d0e82b8b01eda59ca5b2da238bdccc1e249

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VGAuthService.exe

    Filesize

    1.0MB

    MD5

    630f1f1db8de6ebd3194537bcba93320

    SHA1

    e8d63e33bc211c4be7805401812b041c2b229ff7

    SHA256

    085af04b094fa4ace83e52e475d99fefd9050099dba73b11c63308920fb87406

    SHA512

    c66e3404db29d5bbeab8b14b4428f83cf3472223f7ffafe165a3d4c2a8d0aa5d40c1127fd4ab4936b43ccff9d0298d0e82b8b01eda59ca5b2da238bdccc1e249

  • memory/1316-87-0x00000000748D0000-0x0000000074915000-memory.dmp

    Filesize

    276KB

  • memory/1316-86-0x0000000072AA0000-0x0000000073E2F000-memory.dmp

    Filesize

    19.6MB

  • memory/1316-85-0x00000000748D0000-0x0000000074915000-memory.dmp

    Filesize

    276KB

  • memory/1316-84-0x0000000072AA0000-0x0000000073E2F000-memory.dmp

    Filesize

    19.6MB

  • memory/1316-79-0x00000000002B0000-0x00000000003BA000-memory.dmp

    Filesize

    1.0MB

  • memory/1972-62-0x0000000074600000-0x0000000074723000-memory.dmp

    Filesize

    1.1MB

  • memory/1972-61-0x0000000074730000-0x00000000748C4000-memory.dmp

    Filesize

    1.6MB

  • memory/1972-68-0x00000000742A0000-0x00000000745BB000-memory.dmp

    Filesize

    3.1MB

  • memory/1972-69-0x000000006FC90000-0x00000000709AD000-memory.dmp

    Filesize

    13.1MB

  • memory/1972-70-0x0000000072090000-0x0000000072AA0000-memory.dmp

    Filesize

    10.1MB

  • memory/1972-71-0x0000000074730000-0x00000000748C4000-memory.dmp

    Filesize

    1.6MB

  • memory/1972-72-0x00000000718B0000-0x0000000072090000-memory.dmp

    Filesize

    7.9MB

  • memory/1972-66-0x0000000070B50000-0x00000000718A6000-memory.dmp

    Filesize

    13.3MB

  • memory/1972-64-0x00000000718B0000-0x0000000072090000-memory.dmp

    Filesize

    7.9MB

  • memory/1972-63-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

    Filesize

    8KB

  • memory/1972-54-0x00000000001E0000-0x00000000002EA000-memory.dmp

    Filesize

    1.0MB

  • memory/1972-67-0x00000000745C0000-0x00000000745FB000-memory.dmp

    Filesize

    236KB

  • memory/1972-60-0x0000000072090000-0x0000000072AA0000-memory.dmp

    Filesize

    10.1MB

  • memory/1972-59-0x0000000000370000-0x0000000000392000-memory.dmp

    Filesize

    136KB

  • memory/1972-80-0x0000000072AA0000-0x0000000073E2F000-memory.dmp

    Filesize

    19.6MB

  • memory/1972-81-0x00000000748D0000-0x0000000074915000-memory.dmp

    Filesize

    276KB

  • memory/1972-82-0x0000000072090000-0x0000000072AA0000-memory.dmp

    Filesize

    10.1MB

  • memory/1972-58-0x00000000748D0000-0x0000000074915000-memory.dmp

    Filesize

    276KB

  • memory/1972-83-0x0000000074730000-0x00000000748C4000-memory.dmp

    Filesize

    1.6MB

  • memory/1972-57-0x0000000072AA0000-0x0000000073E2F000-memory.dmp

    Filesize

    19.6MB

  • memory/1972-56-0x00000000748D0000-0x0000000074915000-memory.dmp

    Filesize

    276KB

  • memory/1972-55-0x0000000072AA0000-0x0000000073E2F000-memory.dmp

    Filesize

    19.6MB