Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-07-2024 20:35

General

  • Target

    3aa0854dad3770b161dddb0825f644c8_JaffaCakes118.dll

  • Size

    617KB

  • MD5

    3aa0854dad3770b161dddb0825f644c8

  • SHA1

    9845629961cf87447d1bedec4b53f4031e4b2baf

  • SHA256

    39e64ed3821cf6ae8314be531d6796891b4463217989713e083c24ca89c6e4dc

  • SHA512

    8c5a8ac4e8a4a782efd85df6fc624c8079d7bd1be21da22eebbe7dfa657fac029ae02b42a5eb935a53b9b7609e16124ad1fcf6add6b84214a36d187560f1087e

  • SSDEEP

    12288:OYzchQVZnkmt/70MWugxPJZFpf0c1pH8bdJ8CA88fzsBsI3+Dc:B4KV5Hpt8bZHLE+CSfasO+

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

84.232.229.24:80

51.255.203.164:8080

217.160.169.110:8080

185.183.16.47:80

190.45.24.210:80

187.162.248.237:80

93.146.143.191:80

185.94.252.27:443

143.0.85.206:7080

80.15.100.37:80

85.105.239.184:443

94.176.234.118:443

62.84.75.50:80

137.74.106.111:7080

172.104.169.32:8080

46.105.114.137:8080

94.126.8.1:80

78.206.229.130:80

93.149.120.214:80

192.175.111.212:7080

rsa_pubkey.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Blocklisted process makes network request 6 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3aa0854dad3770b161dddb0825f644c8_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3aa0854dad3770b161dddb0825f644c8_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ktpddfo\unqulm.jev",GaqKZECqGPtxGhC
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2980
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ktpddfo\unqulm.jev",#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:4088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Ktpddfo\unqulm.jev

    Filesize

    617KB

    MD5

    3aa0854dad3770b161dddb0825f644c8

    SHA1

    9845629961cf87447d1bedec4b53f4031e4b2baf

    SHA256

    39e64ed3821cf6ae8314be531d6796891b4463217989713e083c24ca89c6e4dc

    SHA512

    8c5a8ac4e8a4a782efd85df6fc624c8079d7bd1be21da22eebbe7dfa657fac029ae02b42a5eb935a53b9b7609e16124ad1fcf6add6b84214a36d187560f1087e

  • memory/1476-0-0x0000000001F30000-0x0000000001FCE000-memory.dmp

    Filesize

    632KB

  • memory/1476-1-0x0000000002180000-0x00000000021A7000-memory.dmp

    Filesize

    156KB

  • memory/1476-2-0x0000000001F30000-0x0000000001F54000-memory.dmp

    Filesize

    144KB

  • memory/1476-3-0x0000000001F30000-0x0000000001FCE000-memory.dmp

    Filesize

    632KB

  • memory/1476-4-0x0000000001F30000-0x0000000001F54000-memory.dmp

    Filesize

    144KB

  • memory/2980-6-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/2980-7-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4088-9-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4088-10-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/4088-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4088-13-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB