Analysis

  • max time kernel
    171s
  • max time network
    175s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-10-2022 13:07

General

  • Target

    Specification.js

  • Size

    258KB

  • MD5

    316e2984cf71459a417eaddbf6e7b5d2

  • SHA1

    566186bf8a192f59e8e1203cc9aeb9386e96e1b8

  • SHA256

    db52ba4813ac23846ecc76bd0702b5ed62b01e5ef4ec0793ee3684f1de3b8cef

  • SHA512

    ae4791848556a77794b7d305b535c5eae17de31debe3e49344a0476e1ffb7930e02f76fc0b9370c1f2d1ce8fd9ce49d322c7b31480c083186ccf476cb2928264

  • SSDEEP

    3072:Klg0lyRcJXN48AWrp1eixPCrC/C8UyCCyCC6CCYCCRCqC6xdAe4q8fiMQJw+FRU:ag0lyRcpN418xP5yxJNJw+Y

Score
8/10

Malware Config

Signatures

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

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Specification.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\Users\Admin\AppData\Roaming\Specification.exe
      "C:\Users\Admin\AppData\Roaming\Specification.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:936

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

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

    193KB

    MD5

    21df14ff478164ccca8bbe85cd9c42ce

    SHA1

    210f8d66672b4ebf77e7fd276360a2187f0bbb2f

    SHA256

    c28e38cbd899c5d2cadc6faf6c155483bea63519dd282da4a40ba925a76b64b5

    SHA512

    7978e1316733b057f008dae8b4b9d63a1ec49d92dbe4282381b24d23b0a8d8cd0224ae1f2a6a2233b6624865c599182c06982a195733a706cc6da4e674a5a66c

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

    193KB

    MD5

    21df14ff478164ccca8bbe85cd9c42ce

    SHA1

    210f8d66672b4ebf77e7fd276360a2187f0bbb2f

    SHA256

    c28e38cbd899c5d2cadc6faf6c155483bea63519dd282da4a40ba925a76b64b5

    SHA512

    7978e1316733b057f008dae8b4b9d63a1ec49d92dbe4282381b24d23b0a8d8cd0224ae1f2a6a2233b6624865c599182c06982a195733a706cc6da4e674a5a66c

  • memory/936-55-0x0000000000000000-mapping.dmp
  • memory/936-58-0x00000000002E0000-0x0000000000316000-memory.dmp
    Filesize

    216KB

  • memory/936-59-0x0000000076201000-0x0000000076203000-memory.dmp
    Filesize

    8KB

  • memory/1500-54-0x000007FEFB991000-0x000007FEFB993000-memory.dmp
    Filesize

    8KB