Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-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 8 IoCs
  • Adds Run key to start application 2 TTPs 8 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 24 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 16 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\48455638.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1952
    • 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:4824
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CphKISZsiyJ\tcAsSFwBLzcosI.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:2792
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3632
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ZaXSeahpavJu\qqPpeRQjBnzFnv.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1392
    • 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:4172
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XfjBfftrW\SaZM.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:2484
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3720
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\QZIanpuAn\WOZvyLCUNeoZEJZh.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1720

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          591KB

          MD5

          e38648b258742750c79a13e898f8dc1f

          SHA1

          7d42e86dc4eff703715144a4ca3189432ce08212

          SHA256

          649d1384f8fc683d7336f9e073633580da96df9ebbfbe13e9e4e9c96bb82f1c3

          SHA512

          b33c89eff48f21bc9c20b4195ce802dacf238790bbdf272a771876bd221beb19ed800d5956986c0875a40dc3f44ced86d0230202e1e95c9a0debb27aa78e8afa

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          591KB

          MD5

          e38648b258742750c79a13e898f8dc1f

          SHA1

          7d42e86dc4eff703715144a4ca3189432ce08212

          SHA256

          649d1384f8fc683d7336f9e073633580da96df9ebbfbe13e9e4e9c96bb82f1c3

          SHA512

          b33c89eff48f21bc9c20b4195ce802dacf238790bbdf272a771876bd221beb19ed800d5956986c0875a40dc3f44ced86d0230202e1e95c9a0debb27aa78e8afa

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          591KB

          MD5

          8f4d432f9bbed89e1e40cf45f346f219

          SHA1

          43dacb6351e37e73246609558a3a39b03254dd61

          SHA256

          3d54ac2323138da765785ff95ffc2ce5549bc198aa614144d63f6a421526bbc9

          SHA512

          51c9d503199ea4c18bcacc81ccae1e128ceeb46286816660d1bcafe3e2598927eb2594982eeddd4f444ab337d83943b7cffc054971da20cd6651335eef605b8b

        • 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\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

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          591KB

          MD5

          52a2c4a037e285bd0ab2716ef481d3dd

          SHA1

          b29ad867ba538914c0b818ef2590dd5704d1fafb

          SHA256

          9cacf43abb2d6a750c4b67b72d5202527dfbc80236e235aa5e97302676124eb1

          SHA512

          3b65733050f79c1e98d1739e8b77a705cd97b62c270c30b6f5eeda6270c2a4cb5ceff9fde155dd3f41ae2ac0d906533371ebd1f30c2448bee8777fafcc4d046e

        • C:\Windows\System32\CphKISZsiyJ\tcAsSFwBLzcosI.dll

          Filesize

          591KB

          MD5

          e38648b258742750c79a13e898f8dc1f

          SHA1

          7d42e86dc4eff703715144a4ca3189432ce08212

          SHA256

          649d1384f8fc683d7336f9e073633580da96df9ebbfbe13e9e4e9c96bb82f1c3

          SHA512

          b33c89eff48f21bc9c20b4195ce802dacf238790bbdf272a771876bd221beb19ed800d5956986c0875a40dc3f44ced86d0230202e1e95c9a0debb27aa78e8afa

        • C:\Windows\System32\QZIanpuAn\WOZvyLCUNeoZEJZh.dll

          Filesize

          591KB

          MD5

          52a2c4a037e285bd0ab2716ef481d3dd

          SHA1

          b29ad867ba538914c0b818ef2590dd5704d1fafb

          SHA256

          9cacf43abb2d6a750c4b67b72d5202527dfbc80236e235aa5e97302676124eb1

          SHA512

          3b65733050f79c1e98d1739e8b77a705cd97b62c270c30b6f5eeda6270c2a4cb5ceff9fde155dd3f41ae2ac0d906533371ebd1f30c2448bee8777fafcc4d046e

        • C:\Windows\System32\XfjBfftrW\SaZM.dll

          Filesize

          591KB

          MD5

          62447c71a4b7479f04dd96a1bedf49d4

          SHA1

          e991c6c6aff03bc6d7d8f1032914eab38a3f596d

          SHA256

          5e61bc486a756b004057483d4fb01aa1de2d1f95bf14841d9431223fde9cbc2d

          SHA512

          66a5dfbcf0b3adc884e8a13ca70a95055791bc7b45857ce6736b0cdf2d8aa2dd023cbece334190db1c48319851e0b9170dd4a691fa6c2c61167822bd32efcb7c

        • C:\Windows\System32\ZaXSeahpavJu\qqPpeRQjBnzFnv.dll

          Filesize

          591KB

          MD5

          8f4d432f9bbed89e1e40cf45f346f219

          SHA1

          43dacb6351e37e73246609558a3a39b03254dd61

          SHA256

          3d54ac2323138da765785ff95ffc2ce5549bc198aa614144d63f6a421526bbc9

          SHA512

          51c9d503199ea4c18bcacc81ccae1e128ceeb46286816660d1bcafe3e2598927eb2594982eeddd4f444ab337d83943b7cffc054971da20cd6651335eef605b8b

        • memory/1952-134-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

          Filesize

          64KB

        • memory/1952-135-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

          Filesize

          64KB

        • memory/1952-133-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

          Filesize

          64KB

        • memory/1952-132-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

          Filesize

          64KB

        • memory/1952-136-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

          Filesize

          64KB

        • memory/1952-138-0x00007FF96C4B0000-0x00007FF96C4C0000-memory.dmp

          Filesize

          64KB

        • memory/1952-137-0x00007FF96C4B0000-0x00007FF96C4C0000-memory.dmp

          Filesize

          64KB

        • memory/4824-142-0x0000000002660000-0x0000000002690000-memory.dmp

          Filesize

          192KB