Analysis

  • max time kernel
    13s
  • max time network
    15s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2022, 16:42

Errors

Reason
Machine shutdown

General

  • Target

    db6eb90fa6dd16cde934c4d2efd60d8dc17cf997ba3a8dc72b8e4bccf3837903.exe

  • Size

    76KB

  • MD5

    6fee47db2a97269205a07d2679a6df32

  • SHA1

    fc367ac7272845ef6669131eb52083f1a427f5c9

  • SHA256

    db6eb90fa6dd16cde934c4d2efd60d8dc17cf997ba3a8dc72b8e4bccf3837903

  • SHA512

    56591f4238d2b484c0e560f5409985a489013bbbf836afc728f9e54309eb4d6bb92aae58a0c561373127a9f17809d2876876758bb9dd8ee6a64ff4ef436d5358

  • SSDEEP

    768:U6xSRbJevhW4ubRhe9ptU96V6NJvGyFU7bS08ZPzHNYM/rrNs/sHziglCkC5HVY6:aJev3S7erWoVi/GbT8LHNnrrqcVGHyP

Score
7/10

Malware Config

Signatures

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

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db6eb90fa6dd16cde934c4d2efd60d8dc17cf997ba3a8dc72b8e4bccf3837903.exe
    "C:\Users\Admin\AppData\Local\Temp\db6eb90fa6dd16cde934c4d2efd60d8dc17cf997ba3a8dc72b8e4bccf3837903.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1118331324 /t REG_SZ /d "%userprofile%\1118331324.exe" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1252
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1118331324 /t REG_SZ /d "C:\Users\Admin\1118331324.exe" /f
        3⤵
        • Adds Run key to start application
        PID:2040
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /r /f /t 3
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1668
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DB6EB9~1.EXE > nul
      2⤵
      • Deletes itself
      PID:856
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:1644
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:1260

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1644-61-0x000007FEFB621000-0x000007FEFB623000-memory.dmp

        Filesize

        8KB

      • memory/1768-54-0x0000000075931000-0x0000000075933000-memory.dmp

        Filesize

        8KB

      • memory/1768-60-0x0000000000400000-0x0000000000416000-memory.dmp

        Filesize

        88KB

      • memory/1768-59-0x0000000000230000-0x0000000000246000-memory.dmp

        Filesize

        88KB