Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    28-09-2021 09:26

General

  • Target

    Purchase Order.js

  • Size

    181KB

  • MD5

    340c38c80f5e5de9e9a9a4e51a21fb0c

  • SHA1

    61bc08a3c29f98740133ddbf39db97cbfad33ee9

  • SHA256

    2ee2c07468fbd918a5d6be42c2950be67f33932ddfc072fa1097cff11ecee81d

  • SHA512

    e175e286082fa3018e318387fd5e4acc6c06549a72572bd1323ee1e99f74222ce5826ac731947e9ca4460f7a440e799ca402f72a194962016e6fd6e04c7aeca8

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Purchase Order.js"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Program Files\Java\jre7\bin\javaw.exe
      "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\eblxugng.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1684
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1684 -s 140
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:960

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\eblxugng.txt
    MD5

    5155453d759e49880d32caa54962acb0

    SHA1

    5f0b3395920fc56a9297866eb32590ff65cf28d2

    SHA256

    28daccdadfd5999b6463f6d1ed0d4da8f369f9d84d9046dd453b1ac78c5b6af5

    SHA512

    f8c97db63f996b5200ce3b1fcdfc26aff03f64714f52f4cf61fed87425347e4642d07e42847a187c2c5c53b8a4cd4c312326664f32ae8f43694ff867f5dd543e

  • memory/960-57-0x0000000000000000-mapping.dmp
  • memory/960-59-0x0000000001C00000-0x0000000001C01000-memory.dmp
    Filesize

    4KB

  • memory/1684-54-0x0000000000000000-mapping.dmp
  • memory/1684-55-0x000007FEFB711000-0x000007FEFB713000-memory.dmp
    Filesize

    8KB