Analysis

  • max time kernel
    13s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2023, 06:53

General

  • Target

    form.doc

  • Size

    509.3MB

  • MD5

    48a64e3f96c122410578caf6e70329b9

  • SHA1

    57a464d3735eb91850c56be1462c22c5bec57996

  • SHA256

    8d4427329c8bde96652807caa270a0950be8f917076cb1c5bb893995c995a5ac

  • SHA512

    1a5f6926e5ca27fcbf372ed3b9f5348550a77161e76662d6865d2e5b30124326e3356a93c6f8a516baa0c3c63b2fccbc52a3a6af5a1c1cd050bf35cde6b4874a

  • SSDEEP

    6144:xPn4VZXbatu7MDogsDkHS50LdfcGcbz1f5M9KTFrMpSlMK3Ru+Q28:xP4PbNMkgg3Ru+x

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.

  • 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 use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 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\form.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:1248
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\065421.tmp"
      2⤵
      • Process spawned unexpected child process
      PID:2104
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\TjcZlW\ttwwzs.dll"
        3⤵
          PID:3016

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\065421.tmp

            Filesize

            413.6MB

            MD5

            0e3445d2565da4c9419297fab373e115

            SHA1

            8b8b3363d94b0f06647ad25daf95aca5523d5961

            SHA256

            e7cc20c21ca5ce575ff1573236e5b1a227c44c986370037ef5ecfbf2ebf5cbec

            SHA512

            751f80c5b676755a3c0d21fade9d8272a37a0cba6e87142fb79a842aeeb1b50b9b0f5ec882491fc347efd13405a822d6972db96bac148d8350ef246eb41caf66

          • C:\Users\Admin\AppData\Local\Temp\065421.tmp

            Filesize

            412.1MB

            MD5

            e5c229a4ccec23ca846171bd86c412c0

            SHA1

            929fe5dad8f1644b2cb9f15552f43058f9bc88d6

            SHA256

            d46499b58a137410b48341170df32f4198887bf30137d5826810985c49609b31

            SHA512

            5b16b0a07ba1c3468a83929ae8050317dca3a620e2b1e1287b34a94324147498501c408a893372f42852190f84ce29da30f177ef6e7c40ef3dfd1544c03bdd41

          • C:\Users\Admin\AppData\Local\Temp\065422.zip

            Filesize

            882KB

            MD5

            d347a9e713947d67f6f575738ef07cd7

            SHA1

            f51f3983960517b07bb97f5ba5495480a31c8c0f

            SHA256

            22babdda065e864cc6309f90833994a36353ae21d3a7be6e3aafaf51024448f0

            SHA512

            5aef4fe8dbf87c3ff7e11af5e76912ef4e91e51246935132ee38a404c1f86cc464b527c2d47750930472121a23d1741e7c8e57f5ce41904af0d065bf6555a651

          • C:\Windows\System32\TjcZlW\ttwwzs.dll

            Filesize

            413.8MB

            MD5

            07a480ad3a268a67af282e20d89eb6ac

            SHA1

            db3e2d51d86afe6444b0cb8b28fb4d6e0ca64ef2

            SHA256

            b270238430615a32797c9b9ca7b3263e45e8136f6cb0f47d9db499c13c5742ee

            SHA512

            e9a610ea23202511c867903c93f9676e61b8c4fbec6f6958803acee597848e0907dff82536b5fcd2afe8b2fae0f4de73347c746f08ce5d70440dcee3a35dd566

          • C:\Windows\System32\TjcZlW\ttwwzs.dll

            Filesize

            445.2MB

            MD5

            c086903a8faca99ea2dfc2be798dd849

            SHA1

            ea6602068a8f462947231af3ac35d466113b69c4

            SHA256

            039a412ee1923407ab2dda4cd527c9951d4718274afe8f5efc703df7a1ed4bd5

            SHA512

            733a0117b24cd8dd881ab79aac7e3fd9e12cd57b2bcf8b009d3004e0b073abfc3cfec49c98a2668b46895a184a091b63cef505e7bcd6ce3ed68d7fd5f8ec4237

          • memory/1248-138-0x00007FFBAF200000-0x00007FFBAF210000-memory.dmp

            Filesize

            64KB

          • memory/1248-220-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

            Filesize

            64KB

          • memory/1248-133-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

            Filesize

            64KB

          • memory/1248-137-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

            Filesize

            64KB

          • memory/1248-136-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

            Filesize

            64KB

          • memory/1248-139-0x00007FFBAF200000-0x00007FFBAF210000-memory.dmp

            Filesize

            64KB

          • memory/1248-135-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

            Filesize

            64KB

          • memory/1248-134-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

            Filesize

            64KB

          • memory/1248-217-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

            Filesize

            64KB

          • memory/1248-219-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

            Filesize

            64KB

          • memory/1248-218-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

            Filesize

            64KB

          • memory/2104-179-0x0000000180000000-0x000000018002D000-memory.dmp

            Filesize

            180KB

          • memory/2104-182-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

            Filesize

            4KB

          • memory/3016-185-0x0000000001EE0000-0x0000000001F90000-memory.dmp

            Filesize

            704KB

          • memory/3016-191-0x0000000001EE0000-0x0000000001F90000-memory.dmp

            Filesize

            704KB