Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 05:11

General

  • Target

    $PLUGINSDIR/UserMgr.dll

  • Size

    55KB

  • MD5

    130f66c0161e6da46744abe3c0be4d9c

  • SHA1

    d2a44a0cd07bc0c5d81fc0d056d6d45d200896ed

  • SHA256

    955705c8c7188d06af16849e5cc3ceae79ea5d0808cc2851630a54d54bbc01f2

  • SHA512

    915b9135da230ec8d3016ba83bd7102b3f8cb13050189a176f8d4d50363f13584fb971226458bc493cd2df27723c8ab7273effab7d6c6e14d49e735d24d7fac8

  • SSDEEP

    768:fThBSJtwQegACHpCygw5eKeK/B/viiTRvTkujLWf2UEHzDSZA7yM5jt/BJE4lV:7SCQeLCHpCyNV9ZTRbkuOQzyMVt/blV

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\$PLUGINSDIR\UserMgr.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3744
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserMgr.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1088
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1088 -s 628
        3⤵
        • Program crash
        PID:3928
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1088 -ip 1088
    1⤵
      PID:2712

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads