Analysis

  • max time kernel
    13s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2023, 04:02

General

  • Target

    I19984860741841252_202303081146.doc

  • Size

    516.3MB

  • MD5

    c2ba98ea49f3d5f5b04d7980ed36b75d

  • SHA1

    0b66f823f6edf03c3992d9265a43aa5ffa24938a

  • SHA256

    1e041bead6abf833504e173d6b1026ee766bfef84635a7d222e520a673d8896c

  • SHA512

    108011d99c013c97e462cb1792a8e5de1a1ebdccd5073acc2c5ac08dc8fcca0acd20eb0bfd37850721a46dffdf54d88bfac59aca6399dda8e4ee53434796e365

  • 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 3 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\I19984860741841252_202303081146.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:2632
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\050526.tmp"
      2⤵
      • Process spawned unexpected child process
      PID:3576
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\AmDBRyRXzfi\LSrNiSQpbuqutQ.dll"
        3⤵
          PID:4812

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\050526.tmp

            Filesize

            504.8MB

            MD5

            5098ccecc1648869a170836a188ced0e

            SHA1

            b5832b472c4306031865b0910b6400f24978b154

            SHA256

            57fa5168da106198fe4331ae10e2b97af2ad9bfcc0b057439016ef707c4662d9

            SHA512

            84b56bcf9d3f3d960b83e88ea5d0f69d34ecaa8eea23a1273990676c44a41a51d2180cbf8393f7d5817483412e3be187136e7653d085fb54d7c7a2bc9830ad24

          • C:\Users\Admin\AppData\Local\Temp\050526.tmp

            Filesize

            499.0MB

            MD5

            0942b88b4274bc50c7d564de0eab7468

            SHA1

            f51f5d6f1523fb44c050aac914a690c01f94ad3c

            SHA256

            420436f346e62bfef467ad97317ef9c43f9d1e85616f4ce295a4e995dc85a33e

            SHA512

            d3ed39043519507f5fd2fb9538c462d11436016487f3e8ac6f2125e69e16953f5ad76a1e0e15ad8281feb8895c810b9d5dbbc22bdeb6fe627bc10383f5a8477f

          • C:\Users\Admin\AppData\Local\Temp\050528.zip

            Filesize

            882KB

            MD5

            17cbbaee3e9473162ecb52b035bd6728

            SHA1

            03f75d00794ae7204c6b7ae060f4c9f26b700391

            SHA256

            0a5cc8f4267d94a7643d67c898b7b59d3b5dc3b477d7544bf174315af4689da5

            SHA512

            f2f68eb8936e4a6fa4f2352ecfebadacdada38a9d9fbe72b0c2c914f291c3e6c943ac1da5882e2f753aa0c0655b075106cf7206b004fa289469628bdb14eebe1

          • C:\Windows\System32\AmDBRyRXzfi\LSrNiSQpbuqutQ.dll

            Filesize

            411.4MB

            MD5

            7fde3dc3734224cd568cc5e066ea0ee5

            SHA1

            5cf1011686bf4146443572ec380f3a0b803e4e0b

            SHA256

            0fe9b565cdcd649061cbf3e3d01e6f874f836aa5cb0430dc5370952b0bfe9034

            SHA512

            dd31237479b321eabcc46e2694723b434af7b491a6ef3aeaff37b8bec18a05032580095f1ea478e6396dc7e11d2fba8e5a5283ea69abc6ab9285ac048379b7e7

          • C:\Windows\System32\AmDBRyRXzfi\LSrNiSQpbuqutQ.dll

            Filesize

            424.9MB

            MD5

            bbb4de69671548b478796cddb3c58dbb

            SHA1

            744c6fe7ce51add7413b4536926b6522f19b15ef

            SHA256

            85b0f3fb3648b30c538b2df5172f7d5df364dcb0fae37c3b25a9a7789c0e6dbb

            SHA512

            de2d6c6e1472c04bf6fb2906834ad139bb4e8a247e3458ce18e89fa8692c3defdd9d9f577b31b95f75207939c47ed9ead77d63b771a45d782faa2c6a28b2e014

          • memory/2632-137-0x00007FFD185B0000-0x00007FFD185C0000-memory.dmp

            Filesize

            64KB

          • memory/2632-139-0x00007FFD161F0000-0x00007FFD16200000-memory.dmp

            Filesize

            64KB

          • memory/2632-138-0x00007FFD161F0000-0x00007FFD16200000-memory.dmp

            Filesize

            64KB

          • memory/2632-133-0x00007FFD185B0000-0x00007FFD185C0000-memory.dmp

            Filesize

            64KB

          • memory/2632-136-0x00007FFD185B0000-0x00007FFD185C0000-memory.dmp

            Filesize

            64KB

          • memory/2632-135-0x00007FFD185B0000-0x00007FFD185C0000-memory.dmp

            Filesize

            64KB

          • memory/2632-134-0x00007FFD185B0000-0x00007FFD185C0000-memory.dmp

            Filesize

            64KB

          • memory/3576-176-0x0000000180000000-0x000000018002D000-memory.dmp

            Filesize

            180KB

          • memory/3576-182-0x0000000002B30000-0x0000000002B31000-memory.dmp

            Filesize

            4KB

          • memory/4812-185-0x0000000001F10000-0x0000000001FC0000-memory.dmp

            Filesize

            704KB

          • memory/4812-190-0x0000000001F10000-0x0000000001FC0000-memory.dmp

            Filesize

            704KB