Analysis

  • max time kernel
    151s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2022, 22:00

General

  • Target

    1132794.xls

  • Size

    91KB

  • MD5

    98be1a3d06492da752bd768d28c86868

  • SHA1

    878b15c03418b737e9ddac87893db517ae56817d

  • SHA256

    a979ede4a61f3cff5529a396d0da51e48878bfefaabdd2aa4e29140a83c06c69

  • SHA512

    ea279632489d35a6091819ce69ac935a82bcb3c2b344d03dd6259ee1ea44f23c2d0f0b65d51f7223bad46ca07f86fa955c0701857fd3562c565d381512d489e8

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgMbCXuZH4gb4CEn9J4ZWX3O:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgi

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://encuadernacionesartis.com/Vk2Z1Na/IZpyySkbU/

xlm40.dropper

http://eznetb.synology.me/@eaDir/E36Y/

xlm40.dropper

http://bytesendesign.nl/cgi-bin/LolX/

xlm40.dropper

http://choltice.eu/mwc/syl3Y/

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 6 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 9 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 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\1132794.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:1184
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:996
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Windows\system32\regsvr32.exe
        /S ..\elv2.ooocccxxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:612
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\IqiHKoqEAj\qmLPbOXrNx.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1472
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1992
      • C:\Windows\system32\regsvr32.exe
        /S ..\elv3.ooocccxxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1708
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\OiPpIOCXKdfqKWHZt\bAuvRVt.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:864
    • 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:1616
      • C:\Windows\system32\regsvr32.exe
        /S ..\elv4.ooocccxxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:544
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\KREZfFF\GJlIyoh.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:676

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          591KB

          MD5

          14a740a1b12c130c59128e9006d323d3

          SHA1

          d1912db2182515973ece7736b5987995bb501399

          SHA256

          c6aa4472e4033e36b05e3cc4b87c2e1fabf2104be5eac3ca8f4b37d0ec73587c

          SHA512

          5ec394b3b52060d8d4f64a083a6de27b3af025f602e02ce7e1df9307e7c92475d9eec5845a24a73e8fc3435b5321ab94da2964216c7d73673160c8412d799663

        • C:\Users\Admin\elv3.ooocccxxx

          Filesize

          591KB

          MD5

          8a6d37b0ff3471991d2b5da54b617abf

          SHA1

          b320efc145797e2be278123678e489f252a76c49

          SHA256

          b5879332d0c26a0af1377328aedf73cb11271c83e849b8bd75918fca8be3aec4

          SHA512

          e29c981b5357fec071aa876764c6c6bf40faa097542839a5bdf557eb5e99ceb438e05f96fc08b04da521d56490e4ced35a3604fed365cdd1ff4c796498bd6303

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          591KB

          MD5

          398609f167fb541071568204acf6f7e5

          SHA1

          1267b95be51da4ad50c36f63e5e489b63ce46a39

          SHA256

          f5c17b5304c02bc1c2a8f46d88872d351ff6097e8d792643a59dc3fc84e1d955

          SHA512

          6e9489d11ace7969c359235d2ea8aa5500e58748ef2cd939fdfb7c4289bc59a2375a4025d17f86a06b1275bceab42bb1da0389cfc5831863a4aefdaaa37e6d9b

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          591KB

          MD5

          14a740a1b12c130c59128e9006d323d3

          SHA1

          d1912db2182515973ece7736b5987995bb501399

          SHA256

          c6aa4472e4033e36b05e3cc4b87c2e1fabf2104be5eac3ca8f4b37d0ec73587c

          SHA512

          5ec394b3b52060d8d4f64a083a6de27b3af025f602e02ce7e1df9307e7c92475d9eec5845a24a73e8fc3435b5321ab94da2964216c7d73673160c8412d799663

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          591KB

          MD5

          14a740a1b12c130c59128e9006d323d3

          SHA1

          d1912db2182515973ece7736b5987995bb501399

          SHA256

          c6aa4472e4033e36b05e3cc4b87c2e1fabf2104be5eac3ca8f4b37d0ec73587c

          SHA512

          5ec394b3b52060d8d4f64a083a6de27b3af025f602e02ce7e1df9307e7c92475d9eec5845a24a73e8fc3435b5321ab94da2964216c7d73673160c8412d799663

        • \Users\Admin\elv3.ooocccxxx

          Filesize

          591KB

          MD5

          8a6d37b0ff3471991d2b5da54b617abf

          SHA1

          b320efc145797e2be278123678e489f252a76c49

          SHA256

          b5879332d0c26a0af1377328aedf73cb11271c83e849b8bd75918fca8be3aec4

          SHA512

          e29c981b5357fec071aa876764c6c6bf40faa097542839a5bdf557eb5e99ceb438e05f96fc08b04da521d56490e4ced35a3604fed365cdd1ff4c796498bd6303

        • \Users\Admin\elv3.ooocccxxx

          Filesize

          591KB

          MD5

          8a6d37b0ff3471991d2b5da54b617abf

          SHA1

          b320efc145797e2be278123678e489f252a76c49

          SHA256

          b5879332d0c26a0af1377328aedf73cb11271c83e849b8bd75918fca8be3aec4

          SHA512

          e29c981b5357fec071aa876764c6c6bf40faa097542839a5bdf557eb5e99ceb438e05f96fc08b04da521d56490e4ced35a3604fed365cdd1ff4c796498bd6303

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          591KB

          MD5

          398609f167fb541071568204acf6f7e5

          SHA1

          1267b95be51da4ad50c36f63e5e489b63ce46a39

          SHA256

          f5c17b5304c02bc1c2a8f46d88872d351ff6097e8d792643a59dc3fc84e1d955

          SHA512

          6e9489d11ace7969c359235d2ea8aa5500e58748ef2cd939fdfb7c4289bc59a2375a4025d17f86a06b1275bceab42bb1da0389cfc5831863a4aefdaaa37e6d9b

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          591KB

          MD5

          398609f167fb541071568204acf6f7e5

          SHA1

          1267b95be51da4ad50c36f63e5e489b63ce46a39

          SHA256

          f5c17b5304c02bc1c2a8f46d88872d351ff6097e8d792643a59dc3fc84e1d955

          SHA512

          6e9489d11ace7969c359235d2ea8aa5500e58748ef2cd939fdfb7c4289bc59a2375a4025d17f86a06b1275bceab42bb1da0389cfc5831863a4aefdaaa37e6d9b

        • memory/612-67-0x000007FEFB7D1000-0x000007FEFB7D3000-memory.dmp

          Filesize

          8KB

        • memory/612-69-0x0000000000170000-0x00000000001A0000-memory.dmp

          Filesize

          192KB

        • memory/1184-54-0x000000002FB11000-0x000000002FB14000-memory.dmp

          Filesize

          12KB

        • memory/1184-59-0x0000000071FAD000-0x0000000071FB8000-memory.dmp

          Filesize

          44KB

        • memory/1184-58-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

          Filesize

          8KB

        • memory/1184-57-0x0000000071FAD000-0x0000000071FB8000-memory.dmp

          Filesize

          44KB

        • memory/1184-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/1184-55-0x0000000070FC1000-0x0000000070FC3000-memory.dmp

          Filesize

          8KB