Analysis

  • max time kernel
    44s
  • max time network
    47s
  • platform
    windows10_x64
  • resource
    win10-de-20211014
  • submitted
    25-11-2021 16:43

General

  • Target

    4deccad54156484bf7ca703502e9a614d45aeab554615e4a61b74458b3c46e5e.dll

  • Size

    653KB

  • MD5

    4ad19dbe73cdeadc5065dd7fe6aea862

  • SHA1

    1dc682d7e97163d903a02126211186d8b9fd10ec

  • SHA256

    4deccad54156484bf7ca703502e9a614d45aeab554615e4a61b74458b3c46e5e

  • SHA512

    201dc142c36eeef7d2f6f8318c27c7dfc13432ff4550bed77504b9692283cca2a2bbf010d98f4a2eb682b529cb8e2f2bb1c33365755822601f53b972cbdd53e3

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\4deccad54156484bf7ca703502e9a614d45aeab554615e4a61b74458b3c46e5e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4deccad54156484bf7ca703502e9a614d45aeab554615e4a61b74458b3c46e5e.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:692
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\4deccad54156484bf7ca703502e9a614d45aeab554615e4a61b74458b3c46e5e.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:1356
  • 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:2436

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

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Downloads

  • memory/692-115-0x0000000000000000-mapping.dmp
  • memory/692-116-0x00000000045B0000-0x00000000045D8000-memory.dmp
    Filesize

    160KB

  • memory/1356-119-0x0000000000000000-mapping.dmp
  • memory/1356-120-0x00000000047C0000-0x00000000047E8000-memory.dmp
    Filesize

    160KB

  • memory/1356-123-0x0000000004DC0000-0x0000000004DE8000-memory.dmp
    Filesize

    160KB

  • memory/1356-126-0x0000000004FC0000-0x0000000004FE8000-memory.dmp
    Filesize

    160KB

  • memory/1356-129-0x00000000050A0000-0x00000000050C8000-memory.dmp
    Filesize

    160KB

  • memory/1356-132-0x0000000005180000-0x00000000051A8000-memory.dmp
    Filesize

    160KB

  • memory/1356-135-0x0000000005270000-0x0000000005298000-memory.dmp
    Filesize

    160KB

  • memory/1356-138-0x0000000005360000-0x0000000005388000-memory.dmp
    Filesize

    160KB