Analysis

  • max time kernel
    92s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 08:00

General

  • Target

    PO-090221.exe

  • Size

    221KB

  • MD5

    ca11f896143acf2168b383b5532ef812

  • SHA1

    fe4cf4a32e0633b9e47869a0850369c7854ec6d7

  • SHA256

    1fa8e3489567519f9ed48d1323d7316118bfd2f5f6434a942202e4ccc64f8fbf

  • SHA512

    c2d103eefae3afc47eec34210b3aa90283c13f9819c328334474caee8e0ea68dd17e6daa623fdb22af824c14083f53acdb37af84d189820b0406d52bfec41ee4

  • SSDEEP

    3072:oBkfJpRXATwMdFCcmbA94/P32S+INSyftupOxoit6HC77zaDrxehjkEXdN9Nt:oqjIeA94HDN8pOOM6HCmDQkIPnt

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-090221.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-090221.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Users\Admin\AppData\Local\Temp\PO-090221.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-090221.exe"
      2⤵
        PID:2760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 1008
        2⤵
        • Program crash
        PID:3188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4560 -ip 4560
      1⤵
        PID:4260

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\nsi8E37.tmp\System.dll

        Filesize

        11KB

        MD5

        fccff8cb7a1067e23fd2e2b63971a8e1

        SHA1

        30e2a9e137c1223a78a0f7b0bf96a1c361976d91

        SHA256

        6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

        SHA512

        f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

      • C:\Users\Admin\AppData\Local\Temp\yrcvb.dll

        Filesize

        11KB

        MD5

        ce58ee918da61b9ad6d17ea883108b75

        SHA1

        ba22489f71b94f0593bb02a89668aa293ce4ca8b

        SHA256

        1175fe7473ab4675f5197a3a5271c095f2a0ad01ee5e55a728c0f208adaeef01

        SHA512

        fa452aeffcb848f4e62a7f3df2ae10dfdc75bb49e3b80e8af076056ea648b438a98a625d951c4b769cc2ffa85742d150aa45290749779dbdc7005bbacdd0ef7a

      • memory/4560-10-0x0000000074A20000-0x0000000074A26000-memory.dmp

        Filesize

        24KB

      • memory/4560-11-0x0000000074A20000-0x0000000074A26000-memory.dmp

        Filesize

        24KB