Analysis

  • max time kernel
    14s
  • max time network
    87s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-03-2023 21:57

General

  • Target

    08032023.doc

  • Size

    525.3MB

  • MD5

    d2dee88803a04a6457a9c62840e53223

  • SHA1

    1be346c29ae7d0bfa91b50532bd16bba6c0bf624

  • SHA256

    eaf050eabdfffde46a85a1651438dbbae8a3e048090c80f231efddef019895a0

  • SHA512

    42e7a7dc77e54575563378be4f605baaee5fe7df2ffb823caeec1c06eae140e5bcaa34c74def12ebc8c8eb274be30e5b9c2eb696f13c0b4b0d410867acf5eea7

  • SSDEEP

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

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

164.68.99.3:8080

164.90.222.65:443

186.194.240.217:443

1.234.2.232:8080

103.75.201.2:443

187.63.160.88:80

147.139.166.154:8080

91.207.28.33:8080

5.135.159.50:443

153.92.5.27:8080

213.239.212.5:443

103.43.75.120:443

159.65.88.10:8080

167.172.253.162:8080

153.126.146.25:7080

119.59.103.152:8080

107.170.39.149:8080

183.111.227.137:8080

159.89.202.34:443

110.232.117.186:8080

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.

  • 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 5 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 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\08032023.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1240
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\230008.tmp"
      2⤵
      • Process spawned unexpected child process
      PID:4184
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\BtRAenXVuLdTM\cKJznffU.dll"
        3⤵
          PID:4792

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\230008.tmp

      Filesize

      361.6MB

      MD5

      bedeedf185b06ff9717f8f86f6e34497

      SHA1

      3718cb788c95bd9c17c23ef172d22d3335162d85

      SHA256

      8db7783210f531b7439b408fc2e015c2201fffbe51ea0681ffe1cec4aac85bcb

      SHA512

      c1ca0e04baae2981627458d552bddbd0be77b56eec2a5e51c1f7dc6358172f3e59a7957fda46e0ed6cfd2ff29a26a1163e882c075481d1b121574de05239ca14

    • C:\Users\Admin\AppData\Local\Temp\230008.tmp

      Filesize

      363.6MB

      MD5

      c8ace09f7f4f4c439b6c66ff8e89825d

      SHA1

      d20b08bd30952e02ead35d8a65996aa415f788f9

      SHA256

      cd42f8533032bf97ba955a080f0900c10cabfb9321b4c6f5d4ee39eb9ff8b791

      SHA512

      4039e4e992efdfbf6e18a54a7484f99f71079f33ed260357eae6e9a950686b89fa123953b2264f97c05c8c48f6fda9f68a7492dfd82bec677e768ab08fc65503

    • C:\Users\Admin\AppData\Local\Temp\230011.zip

      Filesize

      821KB

      MD5

      f1ec7bd22e219fdb389f5e2a0a8132df

      SHA1

      fe8cf0aa2da1a147024c82ac45989795e5b467e0

      SHA256

      8582757782e4048ba84898de0953c7c9710d84c2e764d1fca8b1d393c436dbc8

      SHA512

      2b77027da8f0811f7cfc3735e579c4fd7e3506d85fa78ad667e88bd43dc0ab376d2b8b0c6aab3d35678810a9ee6e589b93d60aa481239ad3acf91cadc88f4969

    • C:\Windows\System32\BtRAenXVuLdTM\cKJznffU.dll

      Filesize

      295.1MB

      MD5

      3b539d9ede8df4516fcbe13dfcb3e210

      SHA1

      f36f5418d77c64c0f9cbd8ef9bb54fde9d817a28

      SHA256

      76d1b71f97cdbff44a965a7fc3214ea31a63d439fb5538140de77723c8f09d46

      SHA512

      6bcadec4404cbfe75ff26f98c446ed2c94ec01b4080775280d6fef24ed533390f3031169eddf6f91b9a9c87f3c40d830d9ae59afbdacee3076c317fc6cd6cd9f

    • memory/1240-136-0x00007FFBD7670000-0x00007FFBD7680000-memory.dmp

      Filesize

      64KB

    • memory/1240-138-0x00007FFBD5200000-0x00007FFBD5210000-memory.dmp

      Filesize

      64KB

    • memory/1240-139-0x00007FFBD5200000-0x00007FFBD5210000-memory.dmp

      Filesize

      64KB

    • memory/1240-137-0x00007FFBD7670000-0x00007FFBD7680000-memory.dmp

      Filesize

      64KB

    • memory/1240-133-0x00007FFBD7670000-0x00007FFBD7680000-memory.dmp

      Filesize

      64KB

    • memory/1240-134-0x00007FFBD7670000-0x00007FFBD7680000-memory.dmp

      Filesize

      64KB

    • memory/1240-135-0x00007FFBD7670000-0x00007FFBD7680000-memory.dmp

      Filesize

      64KB

    • memory/4184-179-0x0000000180000000-0x000000018002D000-memory.dmp

      Filesize

      180KB

    • memory/4184-182-0x0000000000D80000-0x0000000000D81000-memory.dmp

      Filesize

      4KB