Analysis

  • max time kernel
    94s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 14:16

General

  • Target

    3a769ad2b87bb6aaaee677d38c8e644e_JaffaCakes118.dll

  • Size

    364KB

  • MD5

    3a769ad2b87bb6aaaee677d38c8e644e

  • SHA1

    0081f830e7f2bf2e88f0ef1e0af18e2c4e083806

  • SHA256

    dd9847e7e554cda02b13eb0811d32a1163a0bf66ada814488c78986250d3481c

  • SHA512

    49aae9cb2bc78175beea7418c132bc1c6217b7826b963106ad47f8c6afa69bcf5d5e2aec88a53eece50b1bfe449f3aa220187a7df85a7a798b65b521b6c2f9e6

  • SSDEEP

    3072:oDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0X:oDgtfRQUHPw06MoV2nwTBlhm8P

Malware Config

Signatures

  • Yunsip

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

  • 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\3a769ad2b87bb6aaaee677d38c8e644e_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a769ad2b87bb6aaaee677d38c8e644e_JaffaCakes118.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4292

Network

MITRE ATT&CK Enterprise v15

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Downloads