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Overview

overview

8

Static

static

8

3b72414f3b...7d.exe

windows7-x64

8

3b72414f3b...7d.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 04:05

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General

  • Target

    3b72414f3b4b47f75a1b6fcb1ac05d1027fb713a7a1ca6c0868c5582d3184d7d.exe

  • Size

    152KB

  • MD5

    808e8bb577939296df598aa31384a380

  • SHA1

    f2a96cb0cd4957533b338b00a5894096b1482c6d

  • SHA256

    3b72414f3b4b47f75a1b6fcb1ac05d1027fb713a7a1ca6c0868c5582d3184d7d

  • SHA512

    b816356d96e9ab7ce6b43088d54969a1994621bb9e6ac9e0fefae55be122188b2bbd517a762ee24281f8082fe6231f0f72ad7271adf9bc5344749bac7d0e1906

  • SSDEEP

    3072:rDESGnwYM13C94Nk3sQdV777rVhblG25gaLX7:3ESGwYKC33sIV77nfblGO57

Score
8/10
persistenceupx

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • UPX packed file 4 IoCs

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

    upx
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
    stealer
  • Modifies registry class 60 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b72414f3b4b47f75a1b6fcb1ac05d1027fb713a7a1ca6c0868c5582d3184d7d.exe
    "C:\Users\Admin\AppData\Local\Temp\3b72414f3b4b47f75a1b6fcb1ac05d1027fb713a7a1ca6c0868c5582d3184d7d.exe"
    1⤵
    • Drops file in Drivers directory
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4460
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\yyyy.bat
      2⤵
        PID:4236
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4348
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4888

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\yyyy
      Filesize

      152KB

      MD5

      2c3a90c7c9abd0811391ebd9abd74da8

      SHA1

      ef113060bb80521defdba4ec89ed981a2a4c2399

      SHA256

      468670065615414c52bc69c0a545672ff7cc453abc1e4dedea7ed7d548042964

      SHA512

      d72e6d77e4edc1cd11ea8f781d11a2811e86fd454d0f88a14163c8d94e677bf1f32bc5ea2426515a7a01b316469514ec61b71f2ee1bd1f1824284d8684599ee3

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\yyyy.bat
      Filesize

      337B

      MD5

      d7c0defb7ed3f805e6481de818d9d7ed

      SHA1

      06746337088f3967eba1013c72badb8567d1146b

      SHA256

      1fac2972d420e0d034190f78e280a678a583f3ce29ef2b65631b0554a5e557b3

      SHA512

      e2c55a52c356002c5669291c542fd2fbcca1b8aec398c55653e74ed9608ce2f2eae17719c18b78f0b38209c2c06fe7609c76a037fc29fbe65656e69012223e8c

      Download Submit

    • memory/4888-228-0x000001E6CA04D000-0x000001E6CA050000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4888-227-0x000001E6CA04D000-0x000001E6CA050000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4888-241-0x000001E6CA044000-0x000001E6CA047000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4888-150-0x000001E6DA040000-0x000001E6DA140000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/4888-148-0x000001E6C7050000-0x000001E6C7070000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4888-156-0x000001E6C8F30000-0x000001E6C8F50000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4888-167-0x000001E6C8DB0000-0x000001E6C8DD0000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4888-225-0x000001E6CA04D000-0x000001E6CA050000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4888-240-0x000001E6CA044000-0x000001E6CA047000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4888-239-0x000001E6CA044000-0x000001E6CA047000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4888-226-0x000001E6CA04D000-0x000001E6CA050000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4888-230-0x000001E6DA8F0000-0x000001E6DA9F0000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/4888-232-0x000001E6CA040000-0x000001E6CA044000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4888-233-0x000001E6CA040000-0x000001E6CA044000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4888-234-0x000001E6CA040000-0x000001E6CA044000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4888-236-0x000001E6CA040000-0x000001E6CA044000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4888-235-0x000001E6CA040000-0x000001E6CA044000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4896-137-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

      Download

    • memory/4896-132-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

      Download

    • memory/4896-134-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

      Download