Analysis

  • max time kernel
    39s
  • max time network
    60s
  • platform
    windows10_x64
  • resource
    win10-de-20211104
  • submitted
    25-11-2021 16:26

General

  • Target

    d3a55d8d3283822f8791a9e1897b84cd478a820ac4bddffb297eb99f3b32326a.dll

  • Size

    653KB

  • MD5

    dbcf17be3222346c047147fce4c832d9

  • SHA1

    fb2e019d7e7c3be51316c7c4f93ccf26221ff908

  • SHA256

    d3a55d8d3283822f8791a9e1897b84cd478a820ac4bddffb297eb99f3b32326a

  • SHA512

    ee6180e301f33863a1a37d4beced2a364f3b759ea864e057a0b619545c393a10bb2cf1b926be8e1d148c4d1adca24d8fba6e16927038b95a2e219763532851a8

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\d3a55d8d3283822f8791a9e1897b84cd478a820ac4bddffb297eb99f3b32326a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3a55d8d3283822f8791a9e1897b84cd478a820ac4bddffb297eb99f3b32326a.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\d3a55d8d3283822f8791a9e1897b84cd478a820ac4bddffb297eb99f3b32326a.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:864
  • 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:1084

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/864-122-0x0000000000000000-mapping.dmp
  • memory/864-123-0x0000000000C90000-0x0000000000CB8000-memory.dmp
    Filesize

    160KB

  • memory/864-126-0x0000000004AF0000-0x0000000004B18000-memory.dmp
    Filesize

    160KB

  • memory/864-129-0x0000000004CD0000-0x0000000004CF8000-memory.dmp
    Filesize

    160KB

  • memory/864-132-0x0000000004DB0000-0x0000000004DD8000-memory.dmp
    Filesize

    160KB

  • memory/864-135-0x0000000004E90000-0x0000000004EB8000-memory.dmp
    Filesize

    160KB

  • memory/864-138-0x0000000004F70000-0x0000000004F98000-memory.dmp
    Filesize

    160KB

  • memory/1268-118-0x0000000000000000-mapping.dmp
  • memory/1268-119-0x0000000001070000-0x0000000001098000-memory.dmp
    Filesize

    160KB