Analysis

  • max time kernel
    98s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 20:38

General

  • Target

    b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe

  • Size

    461KB

  • MD5

    5157cd51759c1d877b4c5ccfb814782c

  • SHA1

    420311eefd515627c13b604029e215faac68241c

  • SHA256

    b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451

  • SHA512

    ef9e6cddcce9cbad73a28406fb2bdbc79fd62af9ef095c0c909877cebb025495f97bcfc6f7f43fb0d019a60938efb11612baa41371bc0aebc9e1cb3381c7e718

  • SSDEEP

    6144:rGil67ZStrhh0ZZP3/EsT/2uLz/aebbHuFFFkDtrfS8cy/sGxBjKGH8Hjn+o5F:pf0ZPLx1PcmtS8c29BjKhF

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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:\Users\Admin\AppData\Local\Temp\b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe
    "C:\Users\Admin\AppData\Local\Temp\b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe
      "C:\Users\Admin\AppData\Local\Temp\b3900840680fa44a29ea2ec2b9491636923a2dc344aef954608affc086db6451.exe"
      2⤵
        PID:924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 892
        2⤵
        • Program crash
        PID:2824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 1916 -ip 1916
      1⤵
        PID:436

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\nsx98D6.tmp\bdumzguwre.dll

        Filesize

        324KB

        MD5

        0a45dfba55b0a8a259393117a5ba0795

        SHA1

        da5e641a9d8ba850fd14fbc7c0a0c339adb6b538

        SHA256

        37c5b32148a16e741c548a7dfc3811b2d10bf3a35d753b5b27b1aae7e7ab5817

        SHA512

        5bea4192eb222c9d83e5a753a2f66df5b97a340bbd7dd6cc2575d83be1846e6db06187004f886bc54b84793558e93bb1ea20f40123ac3382b703d201f52aa5d9

      • memory/1916-7-0x0000000074A41000-0x0000000074A43000-memory.dmp

        Filesize

        8KB