Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2023 23:44

General

  • Target

    Pacificfortia.doc

  • Size

    226KB

  • MD5

    22edd303f28f432bf8f89ec959819ae8

  • SHA1

    3b25e29328339c5a2eef8d3140015ff47fe541c1

  • SHA256

    56387ffecce60cba738357c8c265b02eeabf088449f7d2904fcadb84cba79450

  • SHA512

    0cb8241ec4e9eb8476d082f9fd2a28dfc0b60e544b4cd5eab6f8696caa94a5060d97c1894bf228f7b21feaf5aa568513ee0fd46f2e1dd4914f4076384862c103

  • SSDEEP

    3072:brrCtKZF4eqZ627NHRxMvOwvzpl+vk6jZc:5F4eqYwHMvfvzpKk6Nc

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

213.239.212.5:443

129.232.188.93:443

103.43.75.120:443

197.242.150.244:8080

1.234.2.232:8080

110.232.117.186:8080

95.217.221.146:8080

159.89.202.34:443

159.65.88.10:8080

82.223.21.224:8080

169.57.156.166:8080

45.176.232.124:443

45.235.8.30:8080

173.212.193.249:8080

107.170.39.149:8080

119.59.103.152:8080

167.172.199.165:8080

91.207.28.33:8080

185.4.135.165:8080

104.168.155.143:8080

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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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 6 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 4 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\Pacificfortia.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\004501.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4008
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\TzDfQUst\clpsZamagxx.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\004501.tmp

    Filesize

    514.9MB

    MD5

    89457cb5c8b296b5fb9a39218b485e1a

    SHA1

    9a3df9e57fba75eb6126aa320c8fbd9b521d57ca

    SHA256

    fc76f47878fc0787c52a41798d49dd738e99b0faeca95832c9dab46f197b8e53

    SHA512

    68ab88c161821358e9c7f367493295bbe9edec5a91c688748d88733dd27576329f4803ac04a1842f3b5ddbb4b65c4eb3cad7d82ec1b60f51a34d05425744cb5d

  • C:\Users\Admin\AppData\Local\Temp\004501.tmp

    Filesize

    514.9MB

    MD5

    89457cb5c8b296b5fb9a39218b485e1a

    SHA1

    9a3df9e57fba75eb6126aa320c8fbd9b521d57ca

    SHA256

    fc76f47878fc0787c52a41798d49dd738e99b0faeca95832c9dab46f197b8e53

    SHA512

    68ab88c161821358e9c7f367493295bbe9edec5a91c688748d88733dd27576329f4803ac04a1842f3b5ddbb4b65c4eb3cad7d82ec1b60f51a34d05425744cb5d

  • C:\Users\Admin\AppData\Local\Temp\004502.zip

    Filesize

    954KB

    MD5

    c06392edadb4f10f66702d4f03e29d63

    SHA1

    40856c127fd0b17bc52ee08428b9c95a013fd260

    SHA256

    50b72e3a3ee87aef79af3a0049a3aeb0b1851369ef5338a3e94986b29bad14eb

    SHA512

    bab0e36638953081d73bf37b42d029df3487e003e844fb47e808dde94eafffffa97c54a43912b953e7c79ce65ce2f715ae02040008c8d7a10bc019fe68333aba

  • C:\Windows\System32\TzDfQUst\clpsZamagxx.dll

    Filesize

    514.9MB

    MD5

    89457cb5c8b296b5fb9a39218b485e1a

    SHA1

    9a3df9e57fba75eb6126aa320c8fbd9b521d57ca

    SHA256

    fc76f47878fc0787c52a41798d49dd738e99b0faeca95832c9dab46f197b8e53

    SHA512

    68ab88c161821358e9c7f367493295bbe9edec5a91c688748d88733dd27576329f4803ac04a1842f3b5ddbb4b65c4eb3cad7d82ec1b60f51a34d05425744cb5d

  • memory/1160-208-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

    Filesize

    64KB

  • memory/1160-138-0x00007FFB9C1A0000-0x00007FFB9C1B0000-memory.dmp

    Filesize

    64KB

  • memory/1160-140-0x00007FFB9C1A0000-0x00007FFB9C1B0000-memory.dmp

    Filesize

    64KB

  • memory/1160-136-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

    Filesize

    64KB

  • memory/1160-134-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

    Filesize

    64KB

  • memory/1160-135-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

    Filesize

    64KB

  • memory/1160-133-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

    Filesize

    64KB

  • memory/1160-137-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

    Filesize

    64KB

  • memory/1160-209-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

    Filesize

    64KB

  • memory/1160-210-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

    Filesize

    64KB

  • memory/1160-211-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

    Filesize

    64KB

  • memory/4008-179-0x00000000025A0000-0x00000000025FA000-memory.dmp

    Filesize

    360KB

  • memory/4008-183-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

    Filesize

    4KB