Analysis

  • max time kernel
    54s
  • max time network
    58s
  • platform
    windows10_x64
  • resource
    win10-de-20211014
  • submitted
    25-11-2021 16:32

General

  • Target

    39629b66e708bf3dcac9609813fbd6d1841cb4b7c3e1a258d50b17d513c5fb8a.dll

  • Size

    653KB

  • MD5

    e2ebd7da66e0c6cf30ebc70845471f4e

  • SHA1

    e003e6c2116df40c4f7db290d2b0d5eae87c29df

  • SHA256

    39629b66e708bf3dcac9609813fbd6d1841cb4b7c3e1a258d50b17d513c5fb8a

  • SHA512

    de1897931450aaeb7382d692394eef568fa147c9787123d50ce0e26608646087ede94e7add9caad888bad06f0784a23c45435b59fe90db21648e97fb38799432

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\39629b66e708bf3dcac9609813fbd6d1841cb4b7c3e1a258d50b17d513c5fb8a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4080
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\39629b66e708bf3dcac9609813fbd6d1841cb4b7c3e1a258d50b17d513c5fb8a.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3860
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\39629b66e708bf3dcac9609813fbd6d1841cb4b7c3e1a258d50b17d513c5fb8a.dll",Control_RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:940
  • 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:2188

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Replay Monitor

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Downloads

  • memory/940-119-0x0000000000000000-mapping.dmp
  • memory/940-120-0x0000000000960000-0x0000000000988000-memory.dmp
    Filesize

    160KB

  • memory/940-123-0x0000000000F70000-0x0000000000F98000-memory.dmp
    Filesize

    160KB

  • memory/940-126-0x0000000004A10000-0x0000000004A38000-memory.dmp
    Filesize

    160KB

  • memory/940-129-0x0000000004AF0000-0x0000000004B18000-memory.dmp
    Filesize

    160KB

  • memory/940-132-0x0000000004BD0000-0x0000000004BF8000-memory.dmp
    Filesize

    160KB

  • memory/940-135-0x0000000004CB0000-0x0000000004CD8000-memory.dmp
    Filesize

    160KB

  • memory/940-138-0x0000000004D90000-0x0000000004DB8000-memory.dmp
    Filesize

    160KB

  • memory/3860-115-0x0000000000000000-mapping.dmp
  • memory/3860-116-0x00000000034E0000-0x0000000003508000-memory.dmp
    Filesize

    160KB