Analysis

  • max time kernel
    37s
  • max time network
    59s
  • platform
    windows10_x64
  • resource
    win10-de-20211104
  • submitted
    25-11-2021 16:13

General

  • Target

    d0156c48a377fc12d6562be50e17311589559f937d41e1649ed0fbc019b3de2c.dll

  • Size

    653KB

  • MD5

    ff5e6d17de3183e4afa168263da51c94

  • SHA1

    ecd9f54443e3254efbefd571e4d838afc88b36dd

  • SHA256

    d0156c48a377fc12d6562be50e17311589559f937d41e1649ed0fbc019b3de2c

  • SHA512

    10db45f96afe6925730b2d693e682ca1ea80d4abc5bf6eab93fdc0d610bd2d2eef9bfcbd72afe66793f70d9d05928b9b769fdca7d0c162886fd481ce47b48eee

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

C2

51.178.61.60:443

168.197.250.14:80

45.79.33.48:8080

196.44.98.190:8080

177.72.80.14:7080

51.210.242.234:8080

185.148.169.10:8080

142.4.219.173:8080

78.47.204.80:443

78.46.73.125:443

37.44.244.177:8080

37.59.209.141:8080

191.252.103.16:80

54.38.242.185:443

85.214.67.203:8080

54.37.228.122:443

207.148.81.119:8080

195.77.239.39:8080

66.42.57.149:443

195.154.146.35:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Registers COM server for autorun 1 TTPs
  • suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)

    suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Blocklisted process makes network request 1 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.

  • Modifies registry class 44 IoCs
  • 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\d0156c48a377fc12d6562be50e17311589559f937d41e1649ed0fbc019b3de2c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0156c48a377fc12d6562be50e17311589559f937d41e1649ed0fbc019b3de2c.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4580
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\d0156c48a377fc12d6562be50e17311589559f937d41e1649ed0fbc019b3de2c.dll",Control_RunDLL
        3⤵
        • Drops file in System32 directory
        • Suspicious behavior: RenamesItself
        • Suspicious use of WriteProcessMemory
        PID:4148
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Fpyypbdxej\bhaokufhloxsb.qzk",jYfWrGPT
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:768
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Fpyypbdxej\bhaokufhloxsb.qzk",Control_RunDLL
            5⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            PID:3244
  • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe
    "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe"
    1⤵
    • Modifies registry class
    PID:604

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/768-138-0x0000000000000000-mapping.dmp
  • memory/768-142-0x0000000004A00000-0x0000000004A28000-memory.dmp
    Filesize

    160KB

  • memory/3244-147-0x00000000030A0000-0x00000000030C8000-memory.dmp
    Filesize

    160KB

  • memory/3244-145-0x0000000000000000-mapping.dmp
  • memory/3244-161-0x0000000005480000-0x00000000054A8000-memory.dmp
    Filesize

    160KB

  • memory/3244-158-0x00000000053A0000-0x00000000053C8000-memory.dmp
    Filesize

    160KB

  • memory/3244-155-0x00000000052C0000-0x00000000052E8000-memory.dmp
    Filesize

    160KB

  • memory/3244-152-0x00000000051E0000-0x0000000005208000-memory.dmp
    Filesize

    160KB

  • memory/3244-149-0x0000000004AF0000-0x0000000004B18000-memory.dmp
    Filesize

    160KB

  • memory/4148-139-0x00000000058B0000-0x00000000058D8000-memory.dmp
    Filesize

    160KB

  • memory/4148-123-0x0000000003690000-0x00000000036B8000-memory.dmp
    Filesize

    160KB

  • memory/4148-122-0x0000000000000000-mapping.dmp
  • memory/4148-135-0x0000000005760000-0x0000000005788000-memory.dmp
    Filesize

    160KB

  • memory/4148-132-0x0000000005700000-0x0000000005728000-memory.dmp
    Filesize

    160KB

  • memory/4148-129-0x0000000005580000-0x00000000055A8000-memory.dmp
    Filesize

    160KB

  • memory/4148-126-0x0000000005020000-0x0000000005048000-memory.dmp
    Filesize

    160KB

  • memory/4580-119-0x0000000004460000-0x0000000004488000-memory.dmp
    Filesize

    160KB

  • memory/4580-118-0x0000000000000000-mapping.dmp