Analysis

  • max time kernel
    54s
  • max time network
    50s
  • platform
    windows10_x64
  • resource
    win10-de-20211014
  • submitted
    25-11-2021 16:47

General

  • Target

    66927b87b9cf4088b68b55b6edc8125696bd38ebec0e232e7d52435065b10e80.dll

  • Size

    653KB

  • MD5

    9a69ee2a34628cedcd5da26d7a5322de

  • SHA1

    8844cd36490eb0db6d8947f1c03893be1166042c

  • SHA256

    66927b87b9cf4088b68b55b6edc8125696bd38ebec0e232e7d52435065b10e80

  • SHA512

    733b5876e3b3ab49cacd14f6e8a7544c8637578c8c16f440ac952c33d1c86f62215b66f1117d44cd018e4697871bc585c11c8a42147f43f3cd3b784b2a2e16f1

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\66927b87b9cf4088b68b55b6edc8125696bd38ebec0e232e7d52435065b10e80.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\66927b87b9cf4088b68b55b6edc8125696bd38ebec0e232e7d52435065b10e80.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:584
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\66927b87b9cf4088b68b55b6edc8125696bd38ebec0e232e7d52435065b10e80.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:1388
  • 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:584

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

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Downloads

  • memory/584-115-0x0000000000000000-mapping.dmp
  • memory/584-116-0x0000000004940000-0x0000000004968000-memory.dmp
    Filesize

    160KB

  • memory/1388-119-0x0000000000000000-mapping.dmp
  • memory/1388-120-0x0000000004A50000-0x0000000004A78000-memory.dmp
    Filesize

    160KB

  • memory/1388-123-0x0000000004B40000-0x0000000004B68000-memory.dmp
    Filesize

    160KB

  • memory/1388-126-0x0000000005270000-0x0000000005298000-memory.dmp
    Filesize

    160KB

  • memory/1388-129-0x0000000005350000-0x0000000005378000-memory.dmp
    Filesize

    160KB

  • memory/1388-132-0x0000000005430000-0x0000000005458000-memory.dmp
    Filesize

    160KB

  • memory/1388-135-0x0000000005510000-0x0000000005538000-memory.dmp
    Filesize

    160KB