Analysis

  • max time kernel
    132s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-03-2023 20:45

General

  • Target

    fb74b1eb454fddb41011ae5b3f343589bf49d4be7e8ced6cbc25d6e9191bd862.doc

  • Size

    538.3MB

  • MD5

    57a46489f02c106569f8cd62ba9f7501

  • SHA1

    abb1400ec57cef7d625324261f29e0b226b9cd5b

  • SHA256

    fb74b1eb454fddb41011ae5b3f343589bf49d4be7e8ced6cbc25d6e9191bd862

  • SHA512

    46be9131984820c098888849357a34c9004058e7fd057c2e4b57cbc717133e0fcb45a331954d091019e6661bb1c6d0595cf7bbbcac66e178c0bf4af92456f296

  • SSDEEP

    3072:2JX29m8QBUoItA/leC6gSJ+2JiclnUOvrRxqmLcHeNJxPkdVdTRcDK6:2EmleC6gSJWclU0RxVLcHe5cdTR

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

129.232.188.93:443

164.90.222.65:443

159.65.88.10:8080

172.105.226.75:8080

115.68.227.76:8080

187.63.160.88:80

169.57.156.166:8080

185.4.135.165:8080

153.126.146.25:7080

197.242.150.244:8080

139.59.126.41:443

186.194.240.217:443

103.132.242.26:8080

206.189.28.199:8080

163.44.196.120:8080

95.217.221.146:8080

159.89.202.34:443

119.59.103.152:8080

183.111.227.137:8080

201.94.166.162:443

eck1.plain
ecs1.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.

  • Loads dropped DLL 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

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\fb74b1eb454fddb41011ae5b3f343589bf49d4be7e8ced6cbc25d6e9191bd862.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\214828.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\BMUzKGfxq\fUSQgByo.dll"
        3⤵
          PID:3628

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\214828.tmp

      Filesize

      531.5MB

      MD5

      f64544cfce0287fdf9062605f884fc54

      SHA1

      bd5470a805762a371d72a05e48ba397442e0a8e6

      SHA256

      83f604c5e5f6856ab2ccfdb732218f87ea0f5704043f5ec384d8fdcc9a85a513

      SHA512

      2d51dfe44a684305075fc847a652ee04f4bac2900a0f3c677b6a6a70be5201a703a3918993fc994107b66167c7268a1b89b5cf8b53c1fa4af11bff38ef29a7e7

    • C:\Users\Admin\AppData\Local\Temp\214828.zip

      Filesize

      816KB

      MD5

      6faf46b25e4c5aab93d3654210fb101f

      SHA1

      d97112eb65c1745fed962eee8897db6c1573c7c7

      SHA256

      ca6a127b270d7092f25d1a59eaa6906f210ca661ddc02504aa2d3065a3c20832

      SHA512

      fddfe918baec3329132d6065b5cdd57173250281e6cb181f0256399b562c3593804d664399d16b619b21343a96be2fdc821fda0dd1aa9c405fd6f8ed9d77c59a

    • \Users\Admin\AppData\Local\Temp\214828.tmp

      Filesize

      531.5MB

      MD5

      f64544cfce0287fdf9062605f884fc54

      SHA1

      bd5470a805762a371d72a05e48ba397442e0a8e6

      SHA256

      83f604c5e5f6856ab2ccfdb732218f87ea0f5704043f5ec384d8fdcc9a85a513

      SHA512

      2d51dfe44a684305075fc847a652ee04f4bac2900a0f3c677b6a6a70be5201a703a3918993fc994107b66167c7268a1b89b5cf8b53c1fa4af11bff38ef29a7e7

    • memory/2908-455-0x00007FFD826E0000-0x00007FFD826F0000-memory.dmp

      Filesize

      64KB

    • memory/2908-127-0x00007FFD7F620000-0x00007FFD7F630000-memory.dmp

      Filesize

      64KB

    • memory/2908-128-0x00007FFD7F620000-0x00007FFD7F630000-memory.dmp

      Filesize

      64KB

    • memory/2908-124-0x00007FFD826E0000-0x00007FFD826F0000-memory.dmp

      Filesize

      64KB

    • memory/2908-123-0x00007FFD826E0000-0x00007FFD826F0000-memory.dmp

      Filesize

      64KB

    • memory/2908-122-0x00007FFD826E0000-0x00007FFD826F0000-memory.dmp

      Filesize

      64KB

    • memory/2908-121-0x00007FFD826E0000-0x00007FFD826F0000-memory.dmp

      Filesize

      64KB

    • memory/2908-454-0x00007FFD826E0000-0x00007FFD826F0000-memory.dmp

      Filesize

      64KB

    • memory/2908-456-0x00007FFD826E0000-0x00007FFD826F0000-memory.dmp

      Filesize

      64KB

    • memory/2908-457-0x00007FFD826E0000-0x00007FFD826F0000-memory.dmp

      Filesize

      64KB

    • memory/4140-332-0x0000000180000000-0x000000018002D000-memory.dmp

      Filesize

      180KB

    • memory/4140-335-0x0000000001280000-0x0000000001281000-memory.dmp

      Filesize

      4KB

    • memory/4140-374-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB