Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    04/02/2022, 00:10

General

  • Target
    emotet_exe_e4_58ec1c1d23a0ab4041d792efeec8eb3e26eb7fcda7a1c63491aa2aa84c8cb72e_2022-02-04__000907.dll
  • Size 977KB
  • Sample220204-af279aeebk
  • SHA256 58ec1c1d23a0ab4041d792efeec8eb3e26eb7fcda7a1c63491aa2aa84c8cb72e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 192.254.71.210:443

  • 23.246.204.126:443

  • 164.68.99.3:8080

  • 144.76.186.49:8080

  • 192.95.56.148:8080

  • 79.172.212.216:8080

  • 162.214.50.39:7080

  • 81.0.236.90:443

  • 159.89.230.105:443

  • 45.176.232.124:443

  • 212.24.98.99:8080

  • 185.157.82.211:8080

  • 159.8.59.82:8080

  • 45.118.135.203:7080

  • 51.254.140.238:7080

  • 144.76.186.55:7080

  • 46.55.222.11:443

  • 212.237.56.116:7080

  • 58.227.42.236:80

  • 162.243.175.63:443

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 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_58ec1c1d23a0ab4041d792efeec8eb3e26eb7fcda7a1c63491aa2aa84c8cb72e_2022-02-04__000907.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_58ec1c1d23a0ab4041d792efeec8eb3e26eb7fcda7a1c63491aa2aa84c8cb72e_2022-02-04__000907.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3000
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_58ec1c1d23a0ab4041d792efeec8eb3e26eb7fcda7a1c63491aa2aa84c8cb72e_2022-02-04__000907.dll",DllRegisterServer
        3⤵
          PID:3864
    • C:\Windows\system32\MusNotifyIcon.exe
      %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
      1⤵
      • Checks processor information in registry
      PID:3792
    • C:\Windows\System32\WaaSMedicAgent.exe
      C:\Windows\System32\WaaSMedicAgent.exe 3a1ef7425aca4d47ff3e2c770415e889 lb+nWg2G9E+DX8Cex7Iv0g.0.1.0.0.0
      1⤵
      • Modifies data under HKEY_USERS
      PID:4076
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k NetworkService -p
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:1520

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3000-130-0x0000000000D20000-0x0000000000D45000-memory.dmp