Analysis

  • max time kernel
    123s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    26/11/2021, 15:45

General

  • Target
    emotet_exe_e4_61bd3e5e4ecac1c0d778c3b2763bfdc3667cbe4a2159a59b6028b00384fd33f7_2021-11-26__154426.exe.dll
  • Size 696KB
  • Sample211126-s64g4sgee5
  • SHA256 61bd3e5e4ecac1c0d778c3b2763bfdc3667cbe4a2159a59b6028b00384fd33f7
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 91.200.186.228:443

  • 41.76.108.46:8080

  • 188.165.214.166:7080

  • 191.252.196.221:8080

  • 103.8.26.103:8080

  • 185.184.25.237:8080

  • 103.8.26.102:8080

  • 178.79.147.66:8080

  • 58.227.42.236:80

  • 45.118.135.203:7080

  • 103.75.201.2:443

  • 195.154.133.20:443

  • 45.142.114.231:8080

  • 212.237.5.209:443

  • 207.38.84.195:8080

  • 104.251.214.46:8080

  • 212.237.17.99:8080

  • 212.237.56.116:7080

  • 216.158.226.206:443

  • 110.232.117.186:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Blocklisted process makes network request 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_61bd3e5e4ecac1c0d778c3b2763bfdc3667cbe4a2159a59b6028b00384fd33f7_2021-11-26__154426.exe.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3780
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_61bd3e5e4ecac1c0d778c3b2763bfdc3667cbe4a2159a59b6028b00384fd33f7_2021-11-26__154426.exe.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_61bd3e5e4ecac1c0d778c3b2763bfdc3667cbe4a2159a59b6028b00384fd33f7_2021-11-26__154426.exe.dll",Control_RunDLL
        3⤵
        • Drops file in System32 directory
        • Suspicious behavior: RenamesItself
        • Suspicious use of WriteProcessMemory
        PID:3872
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Lbvgzogdkdftibb\bcqwgbyjwf.acg",OnnMGqL
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:520
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Lbvgzogdkdftibb\bcqwgbyjwf.acg",Control_RunDLL
            5⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            PID:1148

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/520-141-0x0000000002EB0000-0x0000000002ED8000-memory.dmp

        memory/1148-146-0x0000000004150000-0x0000000004178000-memory.dmp

        memory/1148-161-0x0000000004B30000-0x0000000004B58000-memory.dmp

        memory/1148-158-0x0000000004A40000-0x0000000004A68000-memory.dmp

        memory/1148-155-0x0000000004960000-0x0000000004988000-memory.dmp

        memory/1148-152-0x0000000004880000-0x00000000048A8000-memory.dmp

        memory/1148-149-0x00000000047A0000-0x00000000047C8000-memory.dmp

        memory/3872-139-0x0000000004A70000-0x0000000004A98000-memory.dmp

        memory/3872-123-0x0000000003F90000-0x0000000003FB8000-memory.dmp

        memory/3872-135-0x0000000004910000-0x0000000004938000-memory.dmp

        memory/3872-132-0x00000000048B0000-0x00000000048D8000-memory.dmp

        memory/3872-129-0x0000000004710000-0x0000000004738000-memory.dmp

        memory/3872-126-0x0000000004630000-0x0000000004658000-memory.dmp

        memory/3960-119-0x0000000002B60000-0x0000000002B88000-memory.dmp