Analysis

  • max time kernel
    60s
  • max time network
    60s
  • platform
    windows10_x64
  • resource
    win10-de-20211104
  • submitted
    25-11-2021 16:42

General

  • Target

    822d84261f3a68a563db87872cae87abe1278246068edcad807dcda9edd5d1e6.dll

  • Size

    653KB

  • MD5

    7c6e6f17e4b4d7e3d6b4237e7d581a82

  • SHA1

    99e657c1b74436a62b7c92a234eaf7c6a955fb1b

  • SHA256

    822d84261f3a68a563db87872cae87abe1278246068edcad807dcda9edd5d1e6

  • SHA512

    4d02b9b31970cbed9119cc6ede9354eba70022cc43f072d270ead0e27480fc527b7f1e7479cd3af07d3940477b6127bf4aee225dd92618236fb2fd44eccfafcc

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)

  • Blocklisted process makes network request 2 IoCs
  • Modifies data under HKEY_USERS 21 IoCs
  • Modifies registry class 44 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\822d84261f3a68a563db87872cae87abe1278246068edcad807dcda9edd5d1e6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:416
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\822d84261f3a68a563db87872cae87abe1278246068edcad807dcda9edd5d1e6.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1032
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\822d84261f3a68a563db87872cae87abe1278246068edcad807dcda9edd5d1e6.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:1408
  • 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:3212
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe" /frequentupdate SCHEDULEDTASK displaylevel=False
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:3084

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

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Downloads

  • memory/1032-118-0x0000000000000000-mapping.dmp
  • memory/1032-119-0x0000000000CE0000-0x0000000000D08000-memory.dmp
    Filesize

    160KB

  • memory/1408-122-0x0000000000000000-mapping.dmp
  • memory/1408-123-0x0000000000F30000-0x0000000000F58000-memory.dmp
    Filesize

    160KB

  • memory/1408-126-0x0000000004470000-0x0000000004498000-memory.dmp
    Filesize

    160KB

  • memory/1408-129-0x0000000004B90000-0x0000000004BB8000-memory.dmp
    Filesize

    160KB

  • memory/1408-132-0x0000000004C70000-0x0000000004C98000-memory.dmp
    Filesize

    160KB

  • memory/1408-135-0x0000000004D50000-0x0000000004D78000-memory.dmp
    Filesize

    160KB

  • memory/1408-138-0x0000000004E30000-0x0000000004E58000-memory.dmp
    Filesize

    160KB