Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    10/11/2022, 10:56

General

  • Target
    10112022.xls
  • Size 91KB
  • Sample221110-m1vecsbbap
  • SHA256 036cde54fd48f9b47f182385f5b22286816b35bf834a18d741822511f19eb2c4
  • MD5 SHA1 SHA512 SSDEEP

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 4 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 52 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\10112022.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Windows\system32\regsvr32.exe
        /S ..\elv1.ooocccxxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1348
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\UGzPMAYMzhwYoLI\NlXr.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:860
    • 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:1540
      • C:\Windows\system32\regsvr32.exe
        /S ..\elv2.ooocccxxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:748
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\OXQMYsdsyHpdKz\fKsFiEJatR.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1008
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1652
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:540

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        elv1.ooocccxxx

        • Path C:\Users\Admin\elv1.ooocccxxx
        • Size 621KB
        • SHA256 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
        • MD5 SHA1 SHA512 SSDEEP

        elv2.ooocccxxx

        • Path C:\Users\Admin\elv2.ooocccxxx
        • Size 621KB
        • SHA256 35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
        • MD5 SHA1 SHA512 SSDEEP

        elv1.ooocccxxx

        • Path \Users\Admin\elv1.ooocccxxx
        • Size 621KB
        • SHA256 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
        • MD5 SHA1 SHA512 SSDEEP

        elv1.ooocccxxx

        • Path \Users\Admin\elv1.ooocccxxx
        • Size 621KB
        • SHA256 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
        • MD5 SHA1 SHA512 SSDEEP

        elv2.ooocccxxx

        • Path \Users\Admin\elv2.ooocccxxx
        • Size 621KB
        • SHA256 35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
        • MD5 SHA1 SHA512 SSDEEP

        elv2.ooocccxxx

        • Path \Users\Admin\elv2.ooocccxxx
        • Size 621KB
        • SHA256 35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
        • MD5 SHA1 SHA512 SSDEEP

        memory/1076-59-0x00000000720DD000-0x00000000720E8000-memory.dmp

        memory/1076-54-0x000000002F951000-0x000000002F954000-memory.dmp

        memory/1076-58-0x0000000075C51000-0x0000000075C53000-memory.dmp

        memory/1076-57-0x00000000720DD000-0x00000000720E8000-memory.dmp

        memory/1076-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1076-55-0x00000000710F1000-0x00000000710F3000-memory.dmp

        memory/1348-65-0x000007FEFB901000-0x000007FEFB903000-memory.dmp

        memory/1348-67-0x00000000002E0000-0x000000000030E000-memory.dmp