Analysis

  • max time kernel
    134s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 01:49

General

  • Target

    _lzma.dll

  • Size

    181KB

  • MD5

    b1abe0da66ec97e4aff97f1bd5203434

  • SHA1

    c3bd39814c4f01b57a442da50ed515e7dfd05a8a

  • SHA256

    ee4f276ec7f0b34acd38361023173d6113d97a7de17d28a4fbbd286fe5ce2f28

  • SHA512

    47556e4c65aa04853520c92fdb1f88bb03ab7f4478bfc60e15186f6109cf659e68d458a7b1090a063a0f771c6eb835582464a646456d9e7f82534854c74f83b0

  • SSDEEP

    3072:tez7m1+Dj2ykm6e+gyd1uBSsPc5S/BPkG23pS17tvtjVNgGoY+7l1/3gOi7atzHo:8zDj2ykm6e+hd1uB1D+7zg5s1YO+RR0E

Score
3/10

Malware Config

Signatures

  • 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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\_lzma.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\_lzma.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 628
        3⤵
        • Program crash
        PID:3692
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2092 -ip 2092
    1⤵
      PID:4276
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4448,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4396 /prefetch:8
      1⤵
        PID:2976

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads