Analysis

  • max time kernel
    111s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    17-08-2024 05:01

General

  • Target

    39b05e355025b893002e3bbc6bcecc60N.dll

  • Size

    76KB

  • MD5

    39b05e355025b893002e3bbc6bcecc60

  • SHA1

    5346e4e3f7fcb058c815292224faa3ee34ea40c9

  • SHA256

    e043ef18dd388af7aaa15b2fb459c8dd8c384a8258bc6df00e90c1b078a81c7c

  • SHA512

    3e4def8f1baca29aecdc397f4610c0ab4d8fac04818a414c0d037ea1d23c4f32238485ecd01cdd3dc92411193c6a6594f8fa8a6d31f756b556f89d05966fe7c7

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z1c:c8y93KQjy7G55riF1cMo03/c

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 3 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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\39b05e355025b893002e3bbc6bcecc60N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\39b05e355025b893002e3bbc6bcecc60N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 332
        3⤵
        • Program crash
        PID:2288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2960-2-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2960-1-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2960-0-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2960-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB