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Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/01/2025, 14:55

General

  • Target

    f1ecb3c2e492bf7a220afb4d4f9ecd606323e28761be0fca6f49b6845061487dN.dll

  • Size

    76KB

  • MD5

    8b5982e6505c6d28615fffb4535725b0

  • SHA1

    0e847a06f928472c7445ac851805b1826e8a659a

  • SHA256

    f1ecb3c2e492bf7a220afb4d4f9ecd606323e28761be0fca6f49b6845061487d

  • SHA512

    231a3393bb4a889ae61b03d7002cbe8c26859ff3196b83d7445d823543357fad5264a90acf4f962b8db831d4aae904eda4830a9ca030deda953eb01eb195d96a

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zt:c8y93KQjy7G55riF1cMo03r

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1ecb3c2e492bf7a220afb4d4f9ecd606323e28761be0fca6f49b6845061487dN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1ecb3c2e492bf7a220afb4d4f9ecd606323e28761be0fca6f49b6845061487dN.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:524
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 524 -s 712
        3⤵
        • Program crash
        PID:5060
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 524 -ip 524
    1⤵
      PID:2912

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/524-0-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/524-1-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB