Analysis

  • max time kernel
    15s
  • max time network
    160s
  • 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, 09:45

General

  • Target

    1.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 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\1.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:3096
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\104649.tmp"
      2⤵
      • Process spawned unexpected child process
      PID:4736
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RRxly\fwbMXIgM.dll"
        3⤵
          PID:3416

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\104649.tmp

            Filesize

            516.7MB

            MD5

            17aa8e88ec9a9880480f13ec5355ac22

            SHA1

            7c342e547e70d4d6daae44d4bf0e66d67b06de12

            SHA256

            181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097

            SHA512

            1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43

          • C:\Users\Admin\AppData\Local\Temp\104649.tmp

            Filesize

            516.7MB

            MD5

            17aa8e88ec9a9880480f13ec5355ac22

            SHA1

            7c342e547e70d4d6daae44d4bf0e66d67b06de12

            SHA256

            181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097

            SHA512

            1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43

          • C:\Users\Admin\AppData\Local\Temp\104649.tmp

            Filesize

            516.7MB

            MD5

            17aa8e88ec9a9880480f13ec5355ac22

            SHA1

            7c342e547e70d4d6daae44d4bf0e66d67b06de12

            SHA256

            181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097

            SHA512

            1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43

          • C:\Users\Admin\AppData\Local\Temp\104651.zip

            Filesize

            852KB

            MD5

            b68294947488080ff0a99def9ed22c4b

            SHA1

            8bf91771e28c84adb2ad80e92e9d4e13e6c52b6c

            SHA256

            ae869a73754e3cd48c17ca12821abf2d188aeea7603b412f4fc7d5d0b6b2d9a3

            SHA512

            68943596f0cac042deddd5893aba1d625cb2420238f858b5a0a372c932228e4fc7f4a0ca9cb1fe84852949137c40192058659ed058f2c0b5d7b1730448d2ad41

          • C:\Windows\System32\RRxly\fwbMXIgM.dll

            Filesize

            516.7MB

            MD5

            17aa8e88ec9a9880480f13ec5355ac22

            SHA1

            7c342e547e70d4d6daae44d4bf0e66d67b06de12

            SHA256

            181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097

            SHA512

            1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43

          • memory/3096-138-0x00007FF82AB60000-0x00007FF82AB70000-memory.dmp

            Filesize

            64KB

          • memory/3096-240-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp

            Filesize

            64KB

          • memory/3096-133-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp

            Filesize

            64KB

          • memory/3096-163-0x0000029D5C6C0000-0x0000029D5C6E7000-memory.dmp

            Filesize

            156KB

          • memory/3096-164-0x0000029D5D4F0000-0x0000029D5D515000-memory.dmp

            Filesize

            148KB

          • memory/3096-137-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp

            Filesize

            64KB

          • memory/3096-244-0x0000029D5D4F0000-0x0000029D5D515000-memory.dmp

            Filesize

            148KB

          • memory/3096-136-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp

            Filesize

            64KB

          • memory/3096-135-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp

            Filesize

            64KB

          • memory/3096-243-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp

            Filesize

            64KB

          • memory/3096-242-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp

            Filesize

            64KB

          • memory/3096-134-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp

            Filesize

            64KB

          • memory/3096-241-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp

            Filesize

            64KB

          • memory/3096-139-0x00007FF82AB60000-0x00007FF82AB70000-memory.dmp

            Filesize

            64KB

          • memory/3416-194-0x0000000000400000-0x00000000004B0000-memory.dmp

            Filesize

            704KB

          • memory/4736-187-0x00000000008E0000-0x00000000008E1000-memory.dmp

            Filesize

            4KB

          • memory/4736-184-0x0000000180000000-0x000000018002D000-memory.dmp

            Filesize

            180KB

          • memory/4736-182-0x00000000020C0000-0x0000000002170000-memory.dmp

            Filesize

            704KB