Analysis

  • max time kernel
    156s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    31/01/2022, 14:35

General

  • Target
    emotet_exe_e5_902c9a4087d98dfd3b39ae07e52c8ccbed48cc674319a8f01d6cad9fc959fbe5_2022-01-31__143401.dll
  • Size 542KB
  • Sample220131-rx15yshhh5
  • SHA256 902c9a4087d98dfd3b39ae07e52c8ccbed48cc674319a8f01d6cad9fc959fbe5
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 74.207.230.120:8080

  • 139.196.72.155:8080

  • 37.44.244.177:8080

  • 37.59.209.141:8080

  • 116.124.128.206:8080

  • 217.182.143.207:443

  • 54.37.228.122:443

  • 203.153.216.46:443

  • 168.197.250.14:80

  • 207.148.81.119:8080

  • 195.154.146.35:443

  • 78.46.73.125:443

  • 191.252.103.16:80

  • 210.57.209.142:8080

  • 185.168.130.138:443

  • 142.4.219.173:8080

  • 118.98.72.86:443

  • 78.47.204.80:443

  • 159.69.237.188:443

  • 190.90.233.66:443

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_e5_902c9a4087d98dfd3b39ae07e52c8ccbed48cc674319a8f01d6cad9fc959fbe5_2022-01-31__143401.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_902c9a4087d98dfd3b39ae07e52c8ccbed48cc674319a8f01d6cad9fc959fbe5_2022-01-31__143401.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4656
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_902c9a4087d98dfd3b39ae07e52c8ccbed48cc674319a8f01d6cad9fc959fbe5_2022-01-31__143401.dll",DllRegisterServer
        3⤵
          PID:4896
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe c388bbfe475efd739ed0a58c0ceddec4 zIqyfjkp1UaTvPJr2iUtfw.0.1.0.0.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:5072
    • 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:4872

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/4656-131-0x0000000002DE0000-0x0000000002E07000-memory.dmp

          memory/4872-132-0x00000202E1130000-0x00000202E1140000-memory.dmp

          memory/4872-133-0x00000202E1190000-0x00000202E11A0000-memory.dmp

          memory/4872-134-0x00000202E3EA0000-0x00000202E3EA4000-memory.dmp