Analysis

  • max time kernel
    20s
  • max time network
    125s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-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
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

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:2584
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\050530.tmp"
      2⤵
      • Process spawned unexpected child process
      PID:4388
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\IKTiGFiruNNcsG\nRTfjLfy.dll"
        3⤵
          PID:396

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\050530.tmp

            Filesize

            364.2MB

            MD5

            2ab273e3f37a4f5c36cd498480e93bf7

            SHA1

            c48f878d126807599f8348113984230478207020

            SHA256

            c5de4262cd45152878e90f28691f930628912cde0f198c5d284c31acc32ee1c9

            SHA512

            b5689e01ff9e7a141599d72e60feb67ca85b0d2327893326ae19c074544157f7fe6c5b61e69875f31793a591e2f641b334a776a198a23dcd4fecc37c50535d12

          • C:\Users\Admin\AppData\Local\Temp\050531.zip

            Filesize

            882KB

            MD5

            17cbbaee3e9473162ecb52b035bd6728

            SHA1

            03f75d00794ae7204c6b7ae060f4c9f26b700391

            SHA256

            0a5cc8f4267d94a7643d67c898b7b59d3b5dc3b477d7544bf174315af4689da5

            SHA512

            f2f68eb8936e4a6fa4f2352ecfebadacdada38a9d9fbe72b0c2c914f291c3e6c943ac1da5882e2f753aa0c0655b075106cf7206b004fa289469628bdb14eebe1

          • \Users\Admin\AppData\Local\Temp\050530.tmp

            Filesize

            380.4MB

            MD5

            101dd230139ccf96d05bad3d8bb18adb

            SHA1

            984801cd3b79fcbaf38ad10bc06b22490724e4a5

            SHA256

            2f739056f51fbf51c6b55c623ec83add4bce7a258dab4d620466c5c31d7dca55

            SHA512

            82ec60fc4f1c5dbcb71256095370c0c7fd5780340a5a71a349cbfc7f47d38dc5fa9f61e6ed5d786a28f3094a3c6413d1cf5fe16d4fcd27c6ce6fed6ef3ba2208

          • \Users\Admin\AppData\Local\Temp\050530.tmp

            Filesize

            380.1MB

            MD5

            088262698f09a1185be8aaae7e02e134

            SHA1

            5a18c6e3edb19a00e7a3fd081d43b6e21dad7375

            SHA256

            1c521ca0d2af3ae2e361881f7551f4b4b5ca5adf84f29399338ab01ef4a9a15a

            SHA512

            00995f6fd01241992c829015a7be820f55ffc0040e414d316b4cee53fc0cad5d9acee82b2c94e0207755e643b127d9f6b3faeb79fe65667088ab3ab5cd378d28

          • memory/2584-127-0x00007FFA500A0000-0x00007FFA500B0000-memory.dmp

            Filesize

            64KB

          • memory/2584-129-0x00007FFA500A0000-0x00007FFA500B0000-memory.dmp

            Filesize

            64KB

          • memory/2584-124-0x00007FFA53A00000-0x00007FFA53A10000-memory.dmp

            Filesize

            64KB

          • memory/2584-123-0x00007FFA53A00000-0x00007FFA53A10000-memory.dmp

            Filesize

            64KB

          • memory/2584-121-0x00007FFA53A00000-0x00007FFA53A10000-memory.dmp

            Filesize

            64KB

          • memory/2584-122-0x00007FFA53A00000-0x00007FFA53A10000-memory.dmp

            Filesize

            64KB

          • memory/4388-331-0x0000000002060000-0x0000000002110000-memory.dmp

            Filesize

            704KB

          • memory/4388-333-0x0000000180000000-0x000000018002D000-memory.dmp

            Filesize

            180KB

          • memory/4388-341-0x00000000006D0000-0x00000000006D1000-memory.dmp

            Filesize

            4KB

          • memory/4388-377-0x0000000002060000-0x0000000002110000-memory.dmp

            Filesize

            704KB