Analysis

  • max time kernel
    152s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    10/02/2022, 22:56

General

  • Target
    emotet_exe_e5_40a8a8f2f848b1aaebee5738a18b89090ab5d4e2553ea9ba565382bdd5d017d3_2022-02-10__225502.dll
  • Size 737KB
  • Sample220210-2wpqmsahem
  • SHA256 40a8a8f2f848b1aaebee5738a18b89090ab5d4e2553ea9ba565382bdd5d017d3
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 198.199.126.144:443

  • 103.42.57.17:8080

  • 195.154.146.35:443

  • 104.131.62.48:8080

  • 116.124.128.206:8080

  • 54.38.242.185:443

  • 217.182.143.207:443

  • 66.42.57.149:443

  • 185.148.168.220:8080

  • 37.44.244.177:8080

  • 78.47.204.80:443

  • 173.203.78.138:443

  • 190.90.233.66:443

  • 203.153.216.46:443

  • 54.37.106.167:8080

  • 194.9.172.107:8080

  • 168.197.250.14:80

  • 185.184.25.78:8080

  • 191.252.103.16:80

  • 159.69.237.188:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Drops file in Windows directory 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_40a8a8f2f848b1aaebee5738a18b89090ab5d4e2553ea9ba565382bdd5d017d3_2022-02-10__225502.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_40a8a8f2f848b1aaebee5738a18b89090ab5d4e2553ea9ba565382bdd5d017d3_2022-02-10__225502.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4816
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_40a8a8f2f848b1aaebee5738a18b89090ab5d4e2553ea9ba565382bdd5d017d3_2022-02-10__225502.dll",DllRegisterServer
        3⤵
          PID:3964
    • 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:3652
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:736

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/3652-132-0x000001B938F60000-0x000001B938F70000-memory.dmp

          memory/3652-133-0x000001B939520000-0x000001B939530000-memory.dmp

          memory/3652-134-0x000001B93BB90000-0x000001B93BB94000-memory.dmp

          memory/4816-130-0x0000000010000000-0x0000000010025000-memory.dmp