Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2025 07:03

General

  • Target

    JaffaCakes118_110519aee922c4b13e0e7ed1ed3b7288.dll

  • Size

    220KB

  • MD5

    110519aee922c4b13e0e7ed1ed3b7288

  • SHA1

    9d5ce0070440ea99984b8c105c1583557313759b

  • SHA256

    166d596da87d69ea7fcdb8f8fdd8c2f45d5cc77743b911134878325309368a8f

  • SHA512

    530ecefe70fa69d8fac9909f75f42419f827054e43238e5581e66e02ec159596d86ef0ca37f9f0ad7d6b99a56da40dad653e2e06cd8e1aec7da11b4918ecf0ef

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0i:jDgtfRQUHPw06MoV2nwTBlhm8a

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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_110519aee922c4b13e0e7ed1ed3b7288.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_110519aee922c4b13e0e7ed1ed3b7288.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2836

Network

MITRE ATT&CK Enterprise v15

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Downloads