Analysis

  • max time kernel
    92s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-12-2024 20:09

General

  • Target

    f07caa32ec3030e24d204eac07b1ba6f_JaffaCakes118.dll

  • Size

    239KB

  • MD5

    f07caa32ec3030e24d204eac07b1ba6f

  • SHA1

    1ad3eeea6c9aa36a68641e5b2a80d4c92f3bf33b

  • SHA256

    a8955e32720768837c8da18362ffd36583ded63dd00bbb4ce8947f3cfe235243

  • SHA512

    57f68761c427300fffa597a0b7ea7e3e4c382d4260157206170200ef0e7291b7e075d1d0da69c0649fa68bde505b00e6ae73e14c8102659e8fe8a009b999ef5e

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Q:jDgtfRQUHPw06MoV2nwTBlhm8I

Malware Config

Signatures

  • Yunsip

    Remote backdoor which communicates with a C2 server to receive commands.

  • Yunsip family
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f07caa32ec3030e24d204eac07b1ba6f_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:416
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f07caa32ec3030e24d204eac07b1ba6f_JaffaCakes118.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4840

Network

MITRE ATT&CK Enterprise v15

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Downloads