Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/11/2022, 10:24

General

  • Target

    eb528449a2251cc848ff621d6763e342c5a74a96ad170ae7d4aa542975c6e4c1.xls

  • Size

    91KB

  • MD5

    7e8c62797d23dc4758eec46220d2d046

  • SHA1

    66dc6635f68a4e69a45490c86e0a7bcd50b5478e

  • SHA256

    eb528449a2251cc848ff621d6763e342c5a74a96ad170ae7d4aa542975c6e4c1

  • SHA512

    2650c72876e71dfa9fd711bba3a83c2606f42cde295c779063143f9c98a3b38e0612cf3d56234af0a00801da41f42c5beca6b9ccb6360eda9e17e142f88af3e6

  • SSDEEP

    1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4Z3z3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.conceptagency.net/css/b8eaKN/

xlm40.dropper

https://bencevendeghaz.hu/2zjoi/cwfKJOzA/

xlm40.dropper

http://45.32.114.141/xilte/Uqm6Eysf3Hkjwh/

xlm40.dropper

http://ruitaiwz.com/wp-admin/MXlp5IsUKwT1k0DtzT/

Extracted

Family

emotet

Botnet

Epoch5

C2

202.28.34.99:8080

80.211.107.116:8080

175.126.176.79:8080

218.38.121.17:443

139.196.72.155:8080

103.71.99.57:8080

87.106.97.83:7080

178.62.112.199:8080

64.227.55.231:8080

46.101.98.60:8080

54.37.228.122:443

128.199.217.206:443

190.145.8.4:443

209.239.112.82:8080

85.214.67.203:8080

198.199.70.22:8080

128.199.242.164:8080

178.238.225.252:8080

103.85.95.4:8080

103.126.216.86:443

eck1.plain
ecs1.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 3 IoCs
  • Adds Run key to start application 2 TTPs 6 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 18 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 14 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\eb528449a2251cc848ff621d6763e342c5a74a96ad170ae7d4aa542975c6e4c1.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2732
    • 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:4960
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\QgUyEB\BoRrNTQx.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4488
    • 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:4612
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NvmvmXOQKssO\XSCHGrCTJuBKWUby.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4404
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3088
    • 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:4744
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FueKggEFpb\dTyjWmWssaz.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1504

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          fcb7fc030074ba06176519bec61a1267

          SHA1

          3f037fef167ff2afeca1084c65b06241f7d02033

          SHA256

          38764360540702e0bd35871ec9788760d9c121358a4cdd94331eb28e573670ad

          SHA512

          7db49569c035393cb5827ce7ddac93b9948c0b719aa9b3a5360a45845909d881dd13b4ba6ec9a67247e9861c4c3582a91a3e0ac07ec951d345c49451f5ba0d90

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          e13fecff6dc982531324cdba4f224d1d

          SHA1

          0de9ca7b8770ce588684237d2739d456bc64dade

          SHA256

          78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0

          SHA512

          0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          621KB

          MD5

          92a3f6911635438f39de4bae33cc6fa2

          SHA1

          a1d0c269e83f262bd665fadabd9521372c9d86e7

          SHA256

          e9a6ea8caed6cf87ba761f830065fbd710ac0a1cc5ca6551e8901e490e3eca00

          SHA512

          b79b9b05c72aeb2868a2581eff03beeca4b277eb1ffe9784f873a2426cf39dcd9070e37daef9722b39f53e95fa86bc28ab302252f9b95801c6cf828253120a04

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          fcb7fc030074ba06176519bec61a1267

          SHA1

          3f037fef167ff2afeca1084c65b06241f7d02033

          SHA256

          38764360540702e0bd35871ec9788760d9c121358a4cdd94331eb28e573670ad

          SHA512

          7db49569c035393cb5827ce7ddac93b9948c0b719aa9b3a5360a45845909d881dd13b4ba6ec9a67247e9861c4c3582a91a3e0ac07ec951d345c49451f5ba0d90

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          e13fecff6dc982531324cdba4f224d1d

          SHA1

          0de9ca7b8770ce588684237d2739d456bc64dade

          SHA256

          78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0

          SHA512

          0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          621KB

          MD5

          92a3f6911635438f39de4bae33cc6fa2

          SHA1

          a1d0c269e83f262bd665fadabd9521372c9d86e7

          SHA256

          e9a6ea8caed6cf87ba761f830065fbd710ac0a1cc5ca6551e8901e490e3eca00

          SHA512

          b79b9b05c72aeb2868a2581eff03beeca4b277eb1ffe9784f873a2426cf39dcd9070e37daef9722b39f53e95fa86bc28ab302252f9b95801c6cf828253120a04

        • memory/2732-133-0x00007FFC8E0F0000-0x00007FFC8E100000-memory.dmp

          Filesize

          64KB

        • memory/2732-132-0x00007FFC8E0F0000-0x00007FFC8E100000-memory.dmp

          Filesize

          64KB

        • memory/2732-123-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

          Filesize

          64KB

        • memory/2732-122-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

          Filesize

          64KB

        • memory/2732-120-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

          Filesize

          64KB

        • memory/2732-121-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

          Filesize

          64KB

        • memory/4960-259-0x0000000000BC0000-0x0000000000BEE000-memory.dmp

          Filesize

          184KB