Analysis

  • max time kernel
    13s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 06:36

General

  • Target

    da9f10f7feb1f5a79c253c6699a078c63927a64a42993875e7048b11534227b1N.dll

  • Size

    566KB

  • MD5

    b36b5f5ac43336e95f4ba15ebc335530

  • SHA1

    aaf2aa813416fa0637fe665fefdd882ca0cec4bf

  • SHA256

    da9f10f7feb1f5a79c253c6699a078c63927a64a42993875e7048b11534227b1

  • SHA512

    79f96f7b12e418510c883abf18626b3fb0dec72228016a1705931c14dce06bc76e5adf5351802ff2a82f39115c5fd5fa1f77a929f3df2b71f8b0ae8f0e4dd1d0

  • SSDEEP

    6144:hK2EOcfaAYWEYHN1C3sHooNpxJh2/S3A+2txXqdh7L1eFf6yr5aNP3e2F3loF+rZ:hK2EORqC1qDa/8dheFpCP3e2foOoMsc/

Malware Config

Signatures

  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\da9f10f7feb1f5a79c253c6699a078c63927a64a42993875e7048b11534227b1N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\da9f10f7feb1f5a79c253c6699a078c63927a64a42993875e7048b11534227b1N.dll,#1
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:904
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 252
        3⤵
        • Program crash
        PID:1160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/904-3-0x0000000000280000-0x0000000000310000-memory.dmp

    Filesize

    576KB

  • memory/904-2-0x0000000000280000-0x0000000000310000-memory.dmp

    Filesize

    576KB

  • memory/904-1-0x0000000000280000-0x0000000000310000-memory.dmp

    Filesize

    576KB

  • memory/904-0-0x0000000000280000-0x0000000000310000-memory.dmp

    Filesize

    576KB

  • memory/904-4-0x0000000000280000-0x0000000000310000-memory.dmp

    Filesize

    576KB