Analysis

  • max time kernel
    140s
  • max time network
    95s
  • 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 00:56

General

  • Target

    371a0dedff35ad7404fc25b22a11c7ff_JaffaCakes118.dll

  • Size

    346KB

  • MD5

    371a0dedff35ad7404fc25b22a11c7ff

  • SHA1

    d06f0e843de828e8a97bba0f340d06c613c8d68f

  • SHA256

    b394b0a1d766371125ad6202a806a989459c42778d5e01c5c11233aeab8cdea9

  • SHA512

    2f152d7d729e1ca2392afc62466b712810434d9505b9d9b43ca801e2c732063bce6869cf6b8f45692ca9e1934a08338616af233530b1c8e49e0b40e435d8cfa5

  • SSDEEP

    3072:d82jpiC2JG7HZb7XWQml/jz8A4diTE90Q6kF4CKAYRkcj:W2L7HN7Kl/jLA90QECrYRpj

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

84.232.229.24:80

51.255.203.164:8080

217.160.169.110:8080

51.15.7.145:80

177.85.167.10:80

186.177.174.163:80

190.114.254.163:8080

185.183.16.47:80

149.202.72.142:7080

181.30.61.163:443

31.27.59.105:80

50.28.51.143:8080

68.183.190.199:8080

85.214.26.7:8080

137.74.106.111:7080

200.75.39.254:80

85.105.239.184:443

190.45.24.210:80

170.81.48.2:80

109.101.137.162:8080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Loads dropped DLL 1 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: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\371a0dedff35ad7404fc25b22a11c7ff_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\371a0dedff35ad7404fc25b22a11c7ff_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1048
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Iwxkixr\ylegbv.mck",Btrx
        3⤵
        • Loads dropped DLL
        PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\Iwxkixr\ylegbv.mck

    Filesize

    346KB

    MD5

    371a0dedff35ad7404fc25b22a11c7ff

    SHA1

    d06f0e843de828e8a97bba0f340d06c613c8d68f

    SHA256

    b394b0a1d766371125ad6202a806a989459c42778d5e01c5c11233aeab8cdea9

    SHA512

    2f152d7d729e1ca2392afc62466b712810434d9505b9d9b43ca801e2c732063bce6869cf6b8f45692ca9e1934a08338616af233530b1c8e49e0b40e435d8cfa5

  • memory/1048-0-0x0000000000A20000-0x0000000000A41000-memory.dmp

    Filesize

    132KB

  • memory/1048-1-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/1048-3-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB