Analysis

  • max time kernel
    125s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    02/02/2022, 00:03

General

  • Target
    emotet_exe_e4_f0ebed5075226e15df50a40b97f2d1f89cb3b13717283df3e095bdf20051d7de_2022-02-02__000255.dll
  • Size 684KB
  • Sample220202-ab61msdeh5
  • SHA256 f0ebed5075226e15df50a40b97f2d1f89cb3b13717283df3e095bdf20051d7de
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 149.202.179.100:443

  • 103.75.201.4:443

  • 129.232.188.93:443

  • 50.116.54.215:443

  • 203.114.109.124:443

  • 217.182.143.207:443

  • 212.237.5.209:443

  • 79.172.212.216:8080

  • 144.76.186.49:8080

  • 159.8.59.82:8080

  • 131.100.24.231:80

  • 212.237.17.99:8080

  • 81.0.236.90:443

  • 159.89.230.105:443

  • 164.68.99.3:8080

  • 212.237.56.116:7080

  • 162.243.175.63:443

  • 195.154.133.20:443

  • 110.232.117.186:8080

  • 45.142.114.231:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Sets service image path in registry 2 TTPs
  • Drops file in Windows directory 6 IoCs
  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_f0ebed5075226e15df50a40b97f2d1f89cb3b13717283df3e095bdf20051d7de_2022-02-02__000255.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_f0ebed5075226e15df50a40b97f2d1f89cb3b13717283df3e095bdf20051d7de_2022-02-02__000255.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_f0ebed5075226e15df50a40b97f2d1f89cb3b13717283df3e095bdf20051d7de_2022-02-02__000255.dll",DllRegisterServer
        3⤵
          PID:3620
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 4fc081a140370aba06eac8bb5198a906 LDYsgnA3jkCrwiQahBABGA.0.1.0.0.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:2828
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:916

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/916-132-0x000001D3F9F30000-0x000001D3F9F40000-memory.dmp

          memory/916-133-0x000001D3F9F90000-0x000001D3F9FA0000-memory.dmp

          memory/916-134-0x000001D3FCCB0000-0x000001D3FCCB4000-memory.dmp

          memory/4856-130-0x0000000001010000-0x0000000001035000-memory.dmp