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Analysis

  • max time kernel
    145s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    14/01/2024, 18:17

General

  • Target

    5b85a5b655e5033f20951ad619687486.exe

  • Size

    462KB

  • MD5

    5b85a5b655e5033f20951ad619687486

  • SHA1

    87614ac65b9cc6f76b3229925a4c911cfd72a270

  • SHA256

    28563c403ddda0b2cc0ee8d0a186ad8ef008454b0404bda93e49672d49ddd5fd

  • SHA512

    fac45fdafbfad1344ef908d6bf3fabc7f0b6b4eabdf2bfadb95d1798ddc7543079c161e6233d880748b4c3bf8cdc5828d2a2e02442c24284cac8a8a7eeaff1bf

  • SSDEEP

    12288:lqCZtxipZaBJCTq3dO+tG2UCheQ+oSTj:lqCZHGSCTqa29Ut

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b85a5b655e5033f20951ad619687486.exe
    "C:\Users\Admin\AppData\Local\Temp\5b85a5b655e5033f20951ad619687486.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2140 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\5b85a5b655e5033f20951ad619687486.exe" & start C:\Users\Admin\AppData\Local\vmsgvz.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 2140
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2988
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:2788
      • C:\Users\Admin\AppData\Local\vmsgvz.exe
        C:\Users\Admin\AppData\Local\vmsgvz.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\vmsgvz.exe

    Filesize

    462KB

    MD5

    5b85a5b655e5033f20951ad619687486

    SHA1

    87614ac65b9cc6f76b3229925a4c911cfd72a270

    SHA256

    28563c403ddda0b2cc0ee8d0a186ad8ef008454b0404bda93e49672d49ddd5fd

    SHA512

    fac45fdafbfad1344ef908d6bf3fabc7f0b6b4eabdf2bfadb95d1798ddc7543079c161e6233d880748b4c3bf8cdc5828d2a2e02442c24284cac8a8a7eeaff1bf

  • memory/2140-3-0x0000000001000000-0x00000000010E1000-memory.dmp

    Filesize

    900KB

  • memory/2140-2-0x0000000000360000-0x00000000003A1000-memory.dmp

    Filesize

    260KB

  • memory/2140-0-0x0000000001000000-0x00000000010E1000-memory.dmp

    Filesize

    900KB

  • memory/2140-4-0x00000000002D0000-0x00000000002D2000-memory.dmp

    Filesize

    8KB

  • memory/2140-6-0x0000000001000000-0x00000000010E1000-memory.dmp

    Filesize

    900KB

  • memory/2140-1-0x0000000000240000-0x00000000002C2000-memory.dmp

    Filesize

    520KB

  • memory/2780-9-0x0000000002000000-0x00000000020E1000-memory.dmp

    Filesize

    900KB

  • memory/2924-11-0x0000000001000000-0x00000000010E1000-memory.dmp

    Filesize

    900KB

  • memory/2924-12-0x0000000001000000-0x00000000010E1000-memory.dmp

    Filesize

    900KB

  • memory/2924-15-0x0000000000A60000-0x0000000000B41000-memory.dmp

    Filesize

    900KB

  • memory/2924-13-0x00000000001D0000-0x00000000001D2000-memory.dmp

    Filesize

    8KB

  • memory/2924-16-0x0000000001000000-0x00000000010E1000-memory.dmp

    Filesize

    900KB