Analysis

  • max time kernel
    167s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2022, 21:08

General

  • Target

    1011.xls

  • Size

    91KB

  • MD5

    b48693af83c2d61125983515d08a0fe8

  • SHA1

    48d856e08602d0c776f7ba09bcc97e465ccd95b0

  • SHA256

    9ccecbe7e6073711ce09ff0208fded0a84c68a5429015bfdbd77c4269830e5e7

  • SHA512

    f08577a683d54543585b096643bc487c75470fd5b107b0cf98bb3880d10bc5fb5ac6bcb342aa0f5a6b57c3f451d9bad1ef30b6d06af51884d4fe214b1f076aae

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEbCXuZH4gb4CEn9J4ZAEM:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg5

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.muyehuayi.com/cmp/8asA99KPsyA/v6lUsWbLen/

xlm40.dropper

http://concivilpa.com.py/wp-admin/i3CQu9dzDrMW/

xlm40.dropper

https://wijsneusmedia.nl/cgi-bin/kFB/

xlm40.dropper

http://www.angloextrema.com.br/assets/oEt1yYckHKlnNIq/

Extracted

Family

emotet

Botnet

Epoch5

C2

178.238.225.252:8080

139.196.72.155:8080

36.67.23.59:443

103.56.149.105:8080

37.44.244.177:8080

85.25.120.45:8080

202.134.4.210:7080

78.47.204.80:443

83.229.80.93:8080

93.104.209.107:8080

80.211.107.116:8080

165.22.254.236:8080

104.244.79.94:443

185.148.169.10:8080

190.145.8.4:443

175.126.176.79:8080

139.59.80.108:8080

188.165.79.151:443

128.199.217.206:443

64.227.55.231:8080

ecs1.plain
eck1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 4 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Downloads MZ/PE file
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\1011.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4912
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MLVuSZxXCqblsfZtg\CwovR.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1576
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:952
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5044
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\GPwRHgxrii\FcZXRJyjZnXAsp.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1908
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:2104

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          cd830957a1be40643bf0a74715fe286e

          SHA1

          d5db6bbd3de53d8d6c63ec5af418d803df748565

          SHA256

          6f852b41eaf8690dbe651c12b8b801e5a511bb880641cc8d392dd09139b92fe0

          SHA512

          a6595e7558096046a85b4bd90e0b73a100f9149d9d6c0ba82b0b650b4fd7e110fe257716ccbff7bd3ffab2c9ddd9bfa7aa42776213d147c53609aece084bfe7f

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          cd830957a1be40643bf0a74715fe286e

          SHA1

          d5db6bbd3de53d8d6c63ec5af418d803df748565

          SHA256

          6f852b41eaf8690dbe651c12b8b801e5a511bb880641cc8d392dd09139b92fe0

          SHA512

          a6595e7558096046a85b4bd90e0b73a100f9149d9d6c0ba82b0b650b4fd7e110fe257716ccbff7bd3ffab2c9ddd9bfa7aa42776213d147c53609aece084bfe7f

        • C:\Users\Admin\elv3.ooocccxxx

          Filesize

          434KB

          MD5

          255d978499819af802b0cec0a63fea3c

          SHA1

          e46af8162c290402bc0b4ff8675999cd3353ee83

          SHA256

          26448b5541bb1f7a8a76965381b200bf3f450d36f2b60772de6670ca40f1d3c3

          SHA512

          ec244dfc9a2e20a394ced6769d8bb5ff2136ed627aca31b8f61669e6bcfa5d5cf2b270d2d7eeeb43c2473bb8d2e6ec70dec95fcb20f9d62ff4738e1e0c32fe9c

        • C:\Users\Admin\elv3.ooocccxxx

          Filesize

          434KB

          MD5

          255d978499819af802b0cec0a63fea3c

          SHA1

          e46af8162c290402bc0b4ff8675999cd3353ee83

          SHA256

          26448b5541bb1f7a8a76965381b200bf3f450d36f2b60772de6670ca40f1d3c3

          SHA512

          ec244dfc9a2e20a394ced6769d8bb5ff2136ed627aca31b8f61669e6bcfa5d5cf2b270d2d7eeeb43c2473bb8d2e6ec70dec95fcb20f9d62ff4738e1e0c32fe9c

        • C:\Windows\System32\GPwRHgxrii\FcZXRJyjZnXAsp.dll

          Filesize

          434KB

          MD5

          255d978499819af802b0cec0a63fea3c

          SHA1

          e46af8162c290402bc0b4ff8675999cd3353ee83

          SHA256

          26448b5541bb1f7a8a76965381b200bf3f450d36f2b60772de6670ca40f1d3c3

          SHA512

          ec244dfc9a2e20a394ced6769d8bb5ff2136ed627aca31b8f61669e6bcfa5d5cf2b270d2d7eeeb43c2473bb8d2e6ec70dec95fcb20f9d62ff4738e1e0c32fe9c

        • C:\Windows\System32\MLVuSZxXCqblsfZtg\CwovR.dll

          Filesize

          434KB

          MD5

          cd830957a1be40643bf0a74715fe286e

          SHA1

          d5db6bbd3de53d8d6c63ec5af418d803df748565

          SHA256

          6f852b41eaf8690dbe651c12b8b801e5a511bb880641cc8d392dd09139b92fe0

          SHA512

          a6595e7558096046a85b4bd90e0b73a100f9149d9d6c0ba82b0b650b4fd7e110fe257716ccbff7bd3ffab2c9ddd9bfa7aa42776213d147c53609aece084bfe7f

        • memory/2524-137-0x00007FF8F9330000-0x00007FF8F9340000-memory.dmp

          Filesize

          64KB

        • memory/2524-138-0x00007FF8F9330000-0x00007FF8F9340000-memory.dmp

          Filesize

          64KB

        • memory/2524-132-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

          Filesize

          64KB

        • memory/2524-135-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

          Filesize

          64KB

        • memory/2524-136-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

          Filesize

          64KB

        • memory/2524-134-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

          Filesize

          64KB

        • memory/2524-133-0x00007FF8FBB30000-0x00007FF8FBB40000-memory.dmp

          Filesize

          64KB

        • memory/4912-142-0x0000000180000000-0x0000000180030000-memory.dmp

          Filesize

          192KB