Analysis

  • max time kernel
    142s
  • 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
    09-07-2024 18:01

General

  • Target

    3166fd8e2a9e75a90bbb837abb6b28e5_JaffaCakes118.dll

  • Size

    617KB

  • MD5

    3166fd8e2a9e75a90bbb837abb6b28e5

  • SHA1

    1fb673c02e2f542997fdaed4db5d2f307e7a36b1

  • SHA256

    b17e76e5b272f8aba02e0d61b7efc552a534d691f587a66b7f800b1216d6338d

  • SHA512

    0980e31b4b1d30faee4cab14525d17900287c60d66202622c1f1c09a18eeda1655d80cea0531533c0ba10cda90a8a7d8bf73e79fcf481444f75d50ff0cc6126d

  • SSDEEP

    12288:OYzchQVZnkmt/70MWugxPJZFpf0c1pHObdJ8CA88fzsBsI3+Dc:B4KV5Hpt8bZHLC+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\3166fd8e2a9e75a90bbb837abb6b28e5_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3166fd8e2a9e75a90bbb837abb6b28e5_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Cohwrvshmycpjtyg\lextpggwmtmxdun.zob",lbDZyixXj
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2052
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Cohwrvshmycpjtyg\lextpggwmtmxdun.zob",#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\Cohwrvshmycpjtyg\lextpggwmtmxdun.zob

    Filesize

    617KB

    MD5

    3166fd8e2a9e75a90bbb837abb6b28e5

    SHA1

    1fb673c02e2f542997fdaed4db5d2f307e7a36b1

    SHA256

    b17e76e5b272f8aba02e0d61b7efc552a534d691f587a66b7f800b1216d6338d

    SHA512

    0980e31b4b1d30faee4cab14525d17900287c60d66202622c1f1c09a18eeda1655d80cea0531533c0ba10cda90a8a7d8bf73e79fcf481444f75d50ff0cc6126d

  • memory/1152-0-0x0000000001EF0000-0x0000000001F8E000-memory.dmp

    Filesize

    632KB

  • memory/1152-2-0x0000000001EF0000-0x0000000001F14000-memory.dmp

    Filesize

    144KB

  • memory/1152-1-0x0000000001F90000-0x0000000001FB7000-memory.dmp

    Filesize

    156KB

  • memory/1152-4-0x0000000001EF0000-0x0000000001F14000-memory.dmp

    Filesize

    144KB

  • memory/1152-3-0x0000000001EF0000-0x0000000001F8E000-memory.dmp

    Filesize

    632KB

  • memory/2052-7-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/2052-6-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2720-10-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/2720-9-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/2720-11-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/2720-13-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB