Analysis

  • max time kernel
    146s
  • max time network
    151s
  • 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, 10:35

General

  • Target

    f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea.xls

  • Size

    91KB

  • MD5

    2cbfc0bcbf7b64731ba0a7340aa8e177

  • SHA1

    4f19b1888b7b601bfb2a1224562dbfed9eaf394b

  • SHA256

    f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea

  • SHA512

    23924ea2da27846aa9f6dc629df6e182cec493848574327b9d5a771bb0078996a689db99726a87d591cb40a843d0e6a3dbaf5f5606adfba2273df9d9672defcc

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://bosny.com/aspnet_client/R50QIOGjmvVlr/

xlm40.dropper

http://navylin.com/autopoisonous/4fZQW/

xlm40.dropper

http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/

xlm40.dropper

http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/

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 2 IoCs
  • Adds Run key to start application 2 TTPs 4 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 12 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 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\f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea.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:4528
    • 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:4420
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\JNWNzFpeJvLk\ViJh.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4520
    • 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:524
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\UaAsbZ\SkXEHR.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4588
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4760
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4780

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          871ea9a8e1604e3cfc16dd15a61294fa

          SHA1

          2139e23aa41026d93489d3849a5229dc0cfb1bad

          SHA256

          12fefee2092330f9c0d9e6b30141cbb41c44aa39fbbbe8cdfca9b98b3069881d

          SHA512

          61b2b91af02dad955630c64ca9200feca20293af14bd25b9d4d7109dd9662aaed0981ea93cf298c93ef5e2c19d393e67f308464c59deaabd7e254d05091b780a

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          4e8c394222a8ad3a013d41781d24070f

          SHA1

          84598e96917e7413baaa8906b4da8310360a41e5

          SHA256

          1a481aa005d82e3ac514e4fd4525615b08285e2d1f52d4b650b0fb540cbd33a6

          SHA512

          59b3e55f375daa7ad7bc0125b675d4dfb57fbf3ad7ab0744f7d54099057d17e0757ecb241fcab6e226e79f914954ca31221798ee75661e9ba738604e8d8cbf32

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          871ea9a8e1604e3cfc16dd15a61294fa

          SHA1

          2139e23aa41026d93489d3849a5229dc0cfb1bad

          SHA256

          12fefee2092330f9c0d9e6b30141cbb41c44aa39fbbbe8cdfca9b98b3069881d

          SHA512

          61b2b91af02dad955630c64ca9200feca20293af14bd25b9d4d7109dd9662aaed0981ea93cf298c93ef5e2c19d393e67f308464c59deaabd7e254d05091b780a

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          4e8c394222a8ad3a013d41781d24070f

          SHA1

          84598e96917e7413baaa8906b4da8310360a41e5

          SHA256

          1a481aa005d82e3ac514e4fd4525615b08285e2d1f52d4b650b0fb540cbd33a6

          SHA512

          59b3e55f375daa7ad7bc0125b675d4dfb57fbf3ad7ab0744f7d54099057d17e0757ecb241fcab6e226e79f914954ca31221798ee75661e9ba738604e8d8cbf32

        • memory/4420-264-0x00000000009B0000-0x00000000009DE000-memory.dmp

          Filesize

          184KB

        • memory/4528-122-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4528-120-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4528-123-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4528-133-0x00007FF94CC80000-0x00007FF94CC90000-memory.dmp

          Filesize

          64KB

        • memory/4528-121-0x00007FF9500F0000-0x00007FF950100000-memory.dmp

          Filesize

          64KB

        • memory/4528-132-0x00007FF94CC80000-0x00007FF94CC90000-memory.dmp

          Filesize

          64KB