Analysis

  • max time kernel
    94s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 03:55

General

  • Target

    08c13bac542f5fb0099a530f26b749ae_JaffaCakes118.dll

  • Size

    336KB

  • MD5

    08c13bac542f5fb0099a530f26b749ae

  • SHA1

    898ed4e10f7eab3a1d2493d7df49b3a370c9a60c

  • SHA256

    d9d8d7a716947c50d700b3f7b4ade02ded317ed2096775ea6338503e6eeda5d1

  • SHA512

    a1a90bb5878d47acdfc9d55e326ac1bf9edcfe7d6a67823f8b10c6a108d28cc92ff887ed823f8c0ca59dcdfce5580239450339002359ed542bbc885759df347d

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0m:jDgtfRQUHPw06MoV2nwTBlhm8u

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\08c13bac542f5fb0099a530f26b749ae_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3824
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\08c13bac542f5fb0099a530f26b749ae_JaffaCakes118.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2960

Network

MITRE ATT&CK Enterprise v15

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Downloads