Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2022, 21:44

General

  • Target

    48455638.xls

  • Size

    91KB

  • MD5

    c6bdba39597f80755c6c4ef3e71761fe

  • SHA1

    7525b4be56f5b1cd4bed9dc5a486996c2208786f

  • SHA256

    bd62d5337ebb3e930c5353ce3b814f699687291d454347bb0ec5eab144c4f253

  • SHA512

    104eda7bbdfa5e652babd6a52162251a0359882c29b9f38575397902589478131d74a0bcbf7a8cd52dc7127e4adc02d41b60dd41918d34d2db7174af12d10903

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgMbCXuZH4gb4CEn9J4ZmX3O:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgy

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\48455638.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:1192
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1608
    • 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:728
      • C:\Windows\system32\regsvr32.exe
        /S ..\elv2.ooocccxxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:996
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\WKgBmM\UlpXxSZdtY.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1568
    • 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:2032
      • C:\Windows\system32\regsvr32.exe
        /S ..\elv3.ooocccxxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:588
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\AJgFdX\LZKogWJmNJDSdn.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1520
    • 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:1396
      • C:\Windows\system32\regsvr32.exe
        /S ..\elv4.ooocccxxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1780
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\YuFbTWXcSmxx\AfucYkNquiUeUXhp.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1644

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          591KB

          MD5

          8f4d432f9bbed89e1e40cf45f346f219

          SHA1

          43dacb6351e37e73246609558a3a39b03254dd61

          SHA256

          3d54ac2323138da765785ff95ffc2ce5549bc198aa614144d63f6a421526bbc9

          SHA512

          51c9d503199ea4c18bcacc81ccae1e128ceeb46286816660d1bcafe3e2598927eb2594982eeddd4f444ab337d83943b7cffc054971da20cd6651335eef605b8b

        • C:\Users\Admin\elv3.ooocccxxx

          Filesize

          591KB

          MD5

          62447c71a4b7479f04dd96a1bedf49d4

          SHA1

          e991c6c6aff03bc6d7d8f1032914eab38a3f596d

          SHA256

          5e61bc486a756b004057483d4fb01aa1de2d1f95bf14841d9431223fde9cbc2d

          SHA512

          66a5dfbcf0b3adc884e8a13ca70a95055791bc7b45857ce6736b0cdf2d8aa2dd023cbece334190db1c48319851e0b9170dd4a691fa6c2c61167822bd32efcb7c

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          591KB

          MD5

          52a2c4a037e285bd0ab2716ef481d3dd

          SHA1

          b29ad867ba538914c0b818ef2590dd5704d1fafb

          SHA256

          9cacf43abb2d6a750c4b67b72d5202527dfbc80236e235aa5e97302676124eb1

          SHA512

          3b65733050f79c1e98d1739e8b77a705cd97b62c270c30b6f5eeda6270c2a4cb5ceff9fde155dd3f41ae2ac0d906533371ebd1f30c2448bee8777fafcc4d046e

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          591KB

          MD5

          8f4d432f9bbed89e1e40cf45f346f219

          SHA1

          43dacb6351e37e73246609558a3a39b03254dd61

          SHA256

          3d54ac2323138da765785ff95ffc2ce5549bc198aa614144d63f6a421526bbc9

          SHA512

          51c9d503199ea4c18bcacc81ccae1e128ceeb46286816660d1bcafe3e2598927eb2594982eeddd4f444ab337d83943b7cffc054971da20cd6651335eef605b8b

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          591KB

          MD5

          8f4d432f9bbed89e1e40cf45f346f219

          SHA1

          43dacb6351e37e73246609558a3a39b03254dd61

          SHA256

          3d54ac2323138da765785ff95ffc2ce5549bc198aa614144d63f6a421526bbc9

          SHA512

          51c9d503199ea4c18bcacc81ccae1e128ceeb46286816660d1bcafe3e2598927eb2594982eeddd4f444ab337d83943b7cffc054971da20cd6651335eef605b8b

        • \Users\Admin\elv3.ooocccxxx

          Filesize

          591KB

          MD5

          62447c71a4b7479f04dd96a1bedf49d4

          SHA1

          e991c6c6aff03bc6d7d8f1032914eab38a3f596d

          SHA256

          5e61bc486a756b004057483d4fb01aa1de2d1f95bf14841d9431223fde9cbc2d

          SHA512

          66a5dfbcf0b3adc884e8a13ca70a95055791bc7b45857ce6736b0cdf2d8aa2dd023cbece334190db1c48319851e0b9170dd4a691fa6c2c61167822bd32efcb7c

        • \Users\Admin\elv3.ooocccxxx

          Filesize

          591KB

          MD5

          62447c71a4b7479f04dd96a1bedf49d4

          SHA1

          e991c6c6aff03bc6d7d8f1032914eab38a3f596d

          SHA256

          5e61bc486a756b004057483d4fb01aa1de2d1f95bf14841d9431223fde9cbc2d

          SHA512

          66a5dfbcf0b3adc884e8a13ca70a95055791bc7b45857ce6736b0cdf2d8aa2dd023cbece334190db1c48319851e0b9170dd4a691fa6c2c61167822bd32efcb7c

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          591KB

          MD5

          52a2c4a037e285bd0ab2716ef481d3dd

          SHA1

          b29ad867ba538914c0b818ef2590dd5704d1fafb

          SHA256

          9cacf43abb2d6a750c4b67b72d5202527dfbc80236e235aa5e97302676124eb1

          SHA512

          3b65733050f79c1e98d1739e8b77a705cd97b62c270c30b6f5eeda6270c2a4cb5ceff9fde155dd3f41ae2ac0d906533371ebd1f30c2448bee8777fafcc4d046e

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          591KB

          MD5

          52a2c4a037e285bd0ab2716ef481d3dd

          SHA1

          b29ad867ba538914c0b818ef2590dd5704d1fafb

          SHA256

          9cacf43abb2d6a750c4b67b72d5202527dfbc80236e235aa5e97302676124eb1

          SHA512

          3b65733050f79c1e98d1739e8b77a705cd97b62c270c30b6f5eeda6270c2a4cb5ceff9fde155dd3f41ae2ac0d906533371ebd1f30c2448bee8777fafcc4d046e

        • memory/996-67-0x000007FEFC391000-0x000007FEFC393000-memory.dmp

          Filesize

          8KB

        • memory/996-69-0x0000000001D20000-0x0000000001D50000-memory.dmp

          Filesize

          192KB

        • memory/1192-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/1192-61-0x0000000072B6D000-0x0000000072B78000-memory.dmp

          Filesize

          44KB

        • memory/1192-54-0x000000002F411000-0x000000002F414000-memory.dmp

          Filesize

          12KB

        • memory/1192-57-0x0000000072B6D000-0x0000000072B78000-memory.dmp

          Filesize

          44KB

        • memory/1192-55-0x0000000071B81000-0x0000000071B83000-memory.dmp

          Filesize

          8KB

        • memory/1192-58-0x0000000076701000-0x0000000076703000-memory.dmp

          Filesize

          8KB