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Analysis

  • max time kernel
    139s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2024, 17:05

General

  • Target

    b2aa23d6b4adb8f8623cc51498ba5c5d.dll

  • Size

    184KB

  • MD5

    b2aa23d6b4adb8f8623cc51498ba5c5d

  • SHA1

    93c9b95d401213f3d9197a3d8c6398da335b6c96

  • SHA256

    a3a875372a18e1e91397e6c3e7f5e0ab3dba911c5908188eb9f4de48b40f0416

  • SHA512

    630639faa98888d5cd268340a4219e199df2b7d95b9ce37f961ecfa62e6d080900f9680fec2bcb74f4652a686b173537e00b5089f144519c468e185274d911d9

  • SSDEEP

    3072:QILqzszmqBPWnF3wTn/4zxHHA1qi9R2BtzwD6TCaBPQGHHfWB4ulpj4SqJOrcYHG:QLhqB4FgT/4zRg2rzqCFBPR/WBDj4OrF

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2aa23d6b4adb8f8623cc51498ba5c5d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2aa23d6b4adb8f8623cc51498ba5c5d.dll,#1
      2⤵
        PID:2108
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2108 -s 540
          3⤵
          • Program crash
          PID:1604
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2108 -ip 2108
      1⤵
        PID:3880

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2108-0-0x0000000000400000-0x0000000000449000-memory.dmp

        Filesize

        292KB

      • memory/2108-1-0x0000000000BE0000-0x0000000000BF5000-memory.dmp

        Filesize

        84KB