Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/09/2024, 23:00

General

  • Target

    npjymsgr.dll

  • Size

    69KB

  • MD5

    5b9390bfae65fc9d9407ca821a272927

  • SHA1

    d0918678918e42ea9041715f37480b89ecbbfd51

  • SHA256

    51495e1d069b13a924803c58deacd2fbabb0eb49560821445ac6da969c15e520

  • SHA512

    165631c92141edcfd44a37fa978b733645f8629c686c48ef53bdb679211753fd094e554bce7e1c81dc0675bbe3ba26dfe6150f1986c955addb043b6185b915ff

  • SSDEEP

    768:kLB+k399YB5LzCmzDg8mbhxhEWBrkglJqnvmEnDdBlZUEDsneh9WUamVLqHetHLo:kdFtgHkxhEYk86nJBaenaKLqHetHa0i

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\npjymsgr.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\npjymsgr.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 620
        3⤵
        • Program crash
        PID:904
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4712 -ip 4712
    1⤵
      PID:2936

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads