Analysis

  • max time kernel
    148s
  • max time network
    156s
  • 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, 02:58

General

  • Target

    2023-03-08_1157.doc

  • Size

    548.3MB

  • MD5

    df03ab3720154f245c109759ae06913e

  • SHA1

    1f4ae4072ca354d3337f578b74b7526f7fb2bbee

  • SHA256

    a85fa869a88e0c5464efb2e86ab86b97035374ea96bcc9c59a4fd7f7e3ba5de1

  • SHA512

    cdc65bbde648ac2349b566003be8b6f9f9a74c1439f09faa81d0d3b29ff4037be57d9bbb4a2588847b1ac528cec82c5e205ac02862dfd64cac90ea0c0e3d0b56

  • 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.

  • 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 FindShellTrayWindow 3 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\2023-03-08_1157.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:2816
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\035950.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\PXkIkjayjBlVCapAe\UUQMgaaoMfJdSk.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4704

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\035950.tmp

          Filesize

          535.7MB

          MD5

          49d805bdd67f596cc1e3ec542257b004

          SHA1

          c5917591ff50ab18122898a38807c188ec58a672

          SHA256

          82c686354cb49727b40f46546e791eafe90ba6a58912a638a43105045e55dc3c

          SHA512

          697256477705b77f6e2df89f35d2e7b5256ab3d60283383be2361b210d4deafa4734f949cfcd160ba915958414881c69e283b0530dfedab5303e1d483befe877

        • C:\Users\Admin\AppData\Local\Temp\035950.tmp

          Filesize

          535.7MB

          MD5

          49d805bdd67f596cc1e3ec542257b004

          SHA1

          c5917591ff50ab18122898a38807c188ec58a672

          SHA256

          82c686354cb49727b40f46546e791eafe90ba6a58912a638a43105045e55dc3c

          SHA512

          697256477705b77f6e2df89f35d2e7b5256ab3d60283383be2361b210d4deafa4734f949cfcd160ba915958414881c69e283b0530dfedab5303e1d483befe877

        • C:\Users\Admin\AppData\Local\Temp\035952.zip

          Filesize

          871KB

          MD5

          586c64b6fd7bcf2c5a553612c3b21e45

          SHA1

          f52362a551e938b7508a8efc620335ff05a171ac

          SHA256

          3bc46bd946c948b6b7c7d1cc1280510ae8a7937356fc96c98fb4f1aab23ba1ba

          SHA512

          18c1fdcaa636a0a8b9647f490707c6367b81dff18b8124fb3c7c94a3821a3c678f0357763980e2cd14edbd344d265798cca4dde1dac83a02282ee900cbe631d3

        • C:\Windows\System32\PXkIkjayjBlVCapAe\UUQMgaaoMfJdSk.dll

          Filesize

          535.7MB

          MD5

          49d805bdd67f596cc1e3ec542257b004

          SHA1

          c5917591ff50ab18122898a38807c188ec58a672

          SHA256

          82c686354cb49727b40f46546e791eafe90ba6a58912a638a43105045e55dc3c

          SHA512

          697256477705b77f6e2df89f35d2e7b5256ab3d60283383be2361b210d4deafa4734f949cfcd160ba915958414881c69e283b0530dfedab5303e1d483befe877

        • memory/2388-177-0x0000000180000000-0x000000018002D000-memory.dmp

          Filesize

          180KB

        • memory/2388-180-0x0000000002A10000-0x0000000002A11000-memory.dmp

          Filesize

          4KB

        • memory/2816-136-0x00007FF932130000-0x00007FF932140000-memory.dmp

          Filesize

          64KB

        • memory/2816-137-0x00007FF932130000-0x00007FF932140000-memory.dmp

          Filesize

          64KB

        • memory/2816-135-0x00007FF932130000-0x00007FF932140000-memory.dmp

          Filesize

          64KB

        • memory/2816-134-0x00007FF932130000-0x00007FF932140000-memory.dmp

          Filesize

          64KB

        • memory/2816-139-0x00007FF92FBF0000-0x00007FF92FC00000-memory.dmp

          Filesize

          64KB

        • memory/2816-138-0x00007FF92FBF0000-0x00007FF92FC00000-memory.dmp

          Filesize

          64KB

        • memory/2816-133-0x00007FF932130000-0x00007FF932140000-memory.dmp

          Filesize

          64KB

        • memory/2816-215-0x00007FF932130000-0x00007FF932140000-memory.dmp

          Filesize

          64KB

        • memory/2816-216-0x00007FF932130000-0x00007FF932140000-memory.dmp

          Filesize

          64KB

        • memory/2816-217-0x00007FF932130000-0x00007FF932140000-memory.dmp

          Filesize

          64KB

        • memory/2816-218-0x00007FF932130000-0x00007FF932140000-memory.dmp

          Filesize

          64KB

        • memory/4704-188-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB