Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2022, 20:07

General

  • Target

    09112022.xls

  • Size

    91KB

  • MD5

    d405a8cacb7f8fd3f84b710ce2c786ec

  • SHA1

    87bbae07712e78232843875fab976e8dfa2c3e57

  • SHA256

    9e7eaf569c8f3dbe07baae8cb1e136e70adf653f70c4dd07f21de95be8ec33bc

  • SHA512

    8d1b33f7d2f291a96623579f76fa9f21086338bdb48e9a02146192e03cbadc2683943a46626b315373e683edf2729f7109a2293f2536bd685985c1168420fa83

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEbCXuZH4gb4CEn9J4Z8EM:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgV

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
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\09112022.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Windows\system32\regsvr32.exe
        /S ..\elv1.ooocccxxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:564
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\JXRXXc\SIdtmRDHdM.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:932
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1620
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:2040
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Windows\system32\regsvr32.exe
        /S ..\elv4.ooocccxxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1924
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\LkUfhL\guveu.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1876

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          de7cd2d114263b25ae1c8a5a3329d052

          SHA1

          579265b7f8f8efc7e2bf2dc86529bd700a972e67

          SHA256

          852095de883291fc3f0368c5540e49c1d25fb12d678a1a14a5c576169870a33b

          SHA512

          37ce20fb163fe3d10d9dadc7e315907363a963cb9277e51e9c7ffb4686195df18a64af66199572fd8272bea5ae8c6380ab4d16f0bdfb3a378bca88adce6159f4

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          434KB

          MD5

          8ecae0df7afec0048ac7d6d327955ee2

          SHA1

          da5edd0859976b095bb5fbd85e05bcb5f59bac61

          SHA256

          192eb0885ad927ae8e185b5e31d95a26f928913c609e44c211fa1778829bc753

          SHA512

          03292b1c164f58d92e7a714e010399df784680fea19a5fdbe5f4fdfefebda45f9d8c53bdb476d1ed0df566e60ba75e4203a7523001222e14bca14fbdbd870da6

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          de7cd2d114263b25ae1c8a5a3329d052

          SHA1

          579265b7f8f8efc7e2bf2dc86529bd700a972e67

          SHA256

          852095de883291fc3f0368c5540e49c1d25fb12d678a1a14a5c576169870a33b

          SHA512

          37ce20fb163fe3d10d9dadc7e315907363a963cb9277e51e9c7ffb4686195df18a64af66199572fd8272bea5ae8c6380ab4d16f0bdfb3a378bca88adce6159f4

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          de7cd2d114263b25ae1c8a5a3329d052

          SHA1

          579265b7f8f8efc7e2bf2dc86529bd700a972e67

          SHA256

          852095de883291fc3f0368c5540e49c1d25fb12d678a1a14a5c576169870a33b

          SHA512

          37ce20fb163fe3d10d9dadc7e315907363a963cb9277e51e9c7ffb4686195df18a64af66199572fd8272bea5ae8c6380ab4d16f0bdfb3a378bca88adce6159f4

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          434KB

          MD5

          8ecae0df7afec0048ac7d6d327955ee2

          SHA1

          da5edd0859976b095bb5fbd85e05bcb5f59bac61

          SHA256

          192eb0885ad927ae8e185b5e31d95a26f928913c609e44c211fa1778829bc753

          SHA512

          03292b1c164f58d92e7a714e010399df784680fea19a5fdbe5f4fdfefebda45f9d8c53bdb476d1ed0df566e60ba75e4203a7523001222e14bca14fbdbd870da6

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          434KB

          MD5

          8ecae0df7afec0048ac7d6d327955ee2

          SHA1

          da5edd0859976b095bb5fbd85e05bcb5f59bac61

          SHA256

          192eb0885ad927ae8e185b5e31d95a26f928913c609e44c211fa1778829bc753

          SHA512

          03292b1c164f58d92e7a714e010399df784680fea19a5fdbe5f4fdfefebda45f9d8c53bdb476d1ed0df566e60ba75e4203a7523001222e14bca14fbdbd870da6

        • memory/564-66-0x0000000180000000-0x0000000180030000-memory.dmp

          Filesize

          192KB

        • memory/564-64-0x000007FEFB781000-0x000007FEFB783000-memory.dmp

          Filesize

          8KB

        • memory/1600-54-0x000000002FD71000-0x000000002FD74000-memory.dmp

          Filesize

          12KB

        • memory/1600-74-0x0000000071DBD000-0x0000000071DC8000-memory.dmp

          Filesize

          44KB

        • memory/1600-58-0x00000000752B1000-0x00000000752B3000-memory.dmp

          Filesize

          8KB

        • memory/1600-57-0x0000000071DBD000-0x0000000071DC8000-memory.dmp

          Filesize

          44KB

        • memory/1600-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/1600-55-0x0000000070DD1000-0x0000000070DD3000-memory.dmp

          Filesize

          8KB