Analysis

  • max time kernel
    43s
  • max time network
    62s
  • platform
    windows10_x64
  • resource
    win10-de-20211104
  • submitted
    25-11-2021 17:02

General

  • Target

    21274ceb2f83269f6af9e529ee06ac823e0e2c798a6a03a9cbd0807ab3e36d2b.dll

  • Size

    653KB

  • MD5

    e432906785975bb6872e67d17bdddec0

  • SHA1

    719d1f1cdc4d1bdf89a94ec80b1bd36627bc5cbc

  • SHA256

    21274ceb2f83269f6af9e529ee06ac823e0e2c798a6a03a9cbd0807ab3e36d2b

  • SHA512

    b43c4baf463a3e1258cf3b1dcac385bace4eaeca926ffab1171acee5d1e36c714f16cbcd0ed18b67754f6a533a5b6d9ddcc475608ac58c87dd6badcc06aab56a

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 2 IoCs
  • Modifies registry class 44 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\21274ceb2f83269f6af9e529ee06ac823e0e2c798a6a03a9cbd0807ab3e36d2b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\21274ceb2f83269f6af9e529ee06ac823e0e2c798a6a03a9cbd0807ab3e36d2b.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\21274ceb2f83269f6af9e529ee06ac823e0e2c798a6a03a9cbd0807ab3e36d2b.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:1132
  • 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:1900

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1132-122-0x0000000000000000-mapping.dmp
  • memory/1132-123-0x0000000004CE0000-0x0000000004D08000-memory.dmp
    Filesize

    160KB

  • memory/1132-126-0x00000000052F0000-0x0000000005318000-memory.dmp
    Filesize

    160KB

  • memory/1132-129-0x00000000054D0000-0x00000000054F8000-memory.dmp
    Filesize

    160KB

  • memory/1132-132-0x00000000055B0000-0x00000000055D8000-memory.dmp
    Filesize

    160KB

  • memory/1132-135-0x0000000005690000-0x00000000056B8000-memory.dmp
    Filesize

    160KB

  • memory/1132-138-0x0000000005770000-0x0000000005798000-memory.dmp
    Filesize

    160KB

  • memory/1132-141-0x0000000005850000-0x0000000005878000-memory.dmp
    Filesize

    160KB

  • memory/1196-118-0x0000000000000000-mapping.dmp
  • memory/1196-119-0x00000000002F0000-0x0000000000318000-memory.dmp
    Filesize

    160KB