Analysis

  • max time kernel
    143s
  • max time network
    147s
  • 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 02:11

General

  • Target

    37508d924dfa7bd3551077a0a6e1a8c1_JaffaCakes118.dll

  • Size

    617KB

  • MD5

    37508d924dfa7bd3551077a0a6e1a8c1

  • SHA1

    43dc773958bb8842530ff6b0138af4359dec4fdd

  • SHA256

    4c7d6a382214ce168e936f250698e6e67607fb8b419ed02bde62cd8bb6413004

  • SHA512

    d58ac138d512bde8609a45e8b6d4f7c86e822e53fba7dab80bdbc903265c135d7646abc5d6108b41e36d5b6570d846c7f3b27b111968e122cf824e4d2a8a59a0

  • SSDEEP

    12288:OYzchQVZnkmt/70MWugxPJZFpf0c1pHJbdJ8CA88fzsBsI3+Dc:B4KV5Hpt8bZHLf+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\37508d924dfa7bd3551077a0a6e1a8c1_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4148
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\37508d924dfa7bd3551077a0a6e1a8c1_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1844
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Azfdnyknwez\zhojfubvoq.rvl",ecZXcZyLChItZt
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4008
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Azfdnyknwez\zhojfubvoq.rvl",#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Azfdnyknwez\zhojfubvoq.rvl

    Filesize

    617KB

    MD5

    37508d924dfa7bd3551077a0a6e1a8c1

    SHA1

    43dc773958bb8842530ff6b0138af4359dec4fdd

    SHA256

    4c7d6a382214ce168e936f250698e6e67607fb8b419ed02bde62cd8bb6413004

    SHA512

    d58ac138d512bde8609a45e8b6d4f7c86e822e53fba7dab80bdbc903265c135d7646abc5d6108b41e36d5b6570d846c7f3b27b111968e122cf824e4d2a8a59a0

  • memory/1844-0-0x0000000000FC0000-0x0000000000FE7000-memory.dmp

    Filesize

    156KB

  • memory/1844-1-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1844-3-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1844-2-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/2028-9-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/2028-10-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/2028-11-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/2028-13-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/4008-5-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/4008-7-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB