Analysis

  • max time kernel
    57s
  • max time network
    57s
  • platform
    windows10_x64
  • resource
    win10-de-20211014
  • submitted
    25-11-2021 16:46

General

  • Target

    e6291bb49f93187ed1fb42c5898f0359455bef38e0cb449f128c485e900eabe3.dll

  • Size

    653KB

  • MD5

    4aea748576c6f7a7e77ed0d20e16d7a1

  • SHA1

    42344e8d3fb5c3c4323daca880334b332e11bf11

  • SHA256

    e6291bb49f93187ed1fb42c5898f0359455bef38e0cb449f128c485e900eabe3

  • SHA512

    61d3c113dc2f2e8204dc487053b7bb600cd0ca55f3a0db38a731f54234f846409a0a75f7fd5dea5f48febcfa1238ce4077dd05ab8b015e18ccaf8ede711eb58e

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
  • 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\e6291bb49f93187ed1fb42c5898f0359455bef38e0cb449f128c485e900eabe3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:432
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e6291bb49f93187ed1fb42c5898f0359455bef38e0cb449f128c485e900eabe3.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:656
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\e6291bb49f93187ed1fb42c5898f0359455bef38e0cb449f128c485e900eabe3.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:2004
  • 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:3900

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

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Downloads

  • memory/656-115-0x0000000000000000-mapping.dmp
  • memory/656-116-0x0000000004580000-0x00000000045A8000-memory.dmp
    Filesize

    160KB

  • memory/2004-119-0x0000000000000000-mapping.dmp
  • memory/2004-120-0x00000000033C0000-0x00000000033E8000-memory.dmp
    Filesize

    160KB

  • memory/2004-123-0x00000000051E0000-0x0000000005208000-memory.dmp
    Filesize

    160KB

  • memory/2004-126-0x00000000053C0000-0x00000000053E8000-memory.dmp
    Filesize

    160KB

  • memory/2004-129-0x00000000054A0000-0x00000000054C8000-memory.dmp
    Filesize

    160KB

  • memory/2004-132-0x0000000005580000-0x00000000055A8000-memory.dmp
    Filesize

    160KB

  • memory/2004-135-0x0000000005660000-0x0000000005688000-memory.dmp
    Filesize

    160KB

  • memory/2004-138-0x0000000005740000-0x0000000005768000-memory.dmp
    Filesize

    160KB