Analysis

  • max time kernel
    127s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 01:33

General

  • Target

    97a862e9d8fe4a678ef6cfab111d13097b12f479b6ba86c6040217087b0278b9.exe

  • Size

    256KB

  • MD5

    1d012ae931c84a5dcd45b4a41b207a84

  • SHA1

    3b37ce894e526eef1ff803b5419529a357d2debe

  • SHA256

    97a862e9d8fe4a678ef6cfab111d13097b12f479b6ba86c6040217087b0278b9

  • SHA512

    ca891f6c213761cfc88054aafe18988569ac3aa3a3764102de2f6bb98906af34b54df74bf635325f1831bb852643919ad7a11d4eb344853a6069874ca55ac718

  • SSDEEP

    6144:ADLQxoyQ1LpnFyZ+dayL9rvolH8u3ZhGod:YQCyQ1LHk+zR7QHjGo

Malware Config

Signatures

  • Detects executables packed with VMProtect. 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\97a862e9d8fe4a678ef6cfab111d13097b12f479b6ba86c6040217087b0278b9.exe
    "C:\Users\Admin\AppData\Local\Temp\97a862e9d8fe4a678ef6cfab111d13097b12f479b6ba86c6040217087b0278b9.exe"
    1⤵
    • Drops file in Drivers directory
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      2⤵
      • Modifies Installed Components in the registry
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1196
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\yyyy.bat
      2⤵
      • Deletes itself
      PID:2584
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
      PID:2204

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      256KB

      MD5

      3bed571d5d48a118003460109e4e1041

      SHA1

      43e4a824307c3a7185b18c8c2813a6d4eff01df0

      SHA256

      a14eb01c175d7796053c6347adcd5e499831a89d58a38558dfd224988d9f2ea2

      SHA512

      ee9db645eb7bb6f65158dc37fd7c60146423f6550cd11db5eeeda19a8ac81c471b3195f4bcd9533c260b0b850d88fd0ccaf278822f4449f4bdbe8ec466ed99a0

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

      Filesize

      337B

      MD5

      9fe5da7e754dc4f7057d7d974f5482f3

      SHA1

      4e5a152fbd0ace9e6f8ee29dad66e100c5d64ec5

      SHA256

      6662d0cd26ea2e9d919c67226d508c951e9e141d82c7c28b7f3ef5399191549d

      SHA512

      7a0283f6646227a9062e10de996be5067aff7d8d531a11ef142af6e36c21311eff27540ea40bcda4267d9dd46757e7e0bbe3ba349d3660f6147193efcc812a52

    • C:\Windows\System32\drivers\etc\hosts

      Filesize

      2KB

      MD5

      a1d921556cf3a3d9d26b2ef002a7f87e

      SHA1

      6d35761aa3c8d24ab25db1d6a6e8a964bebd7121

      SHA256

      be7dfb47e11615f6b0cda24d8d568fccb6cea492112f723b8784ee26cbe5d309

      SHA512

      282607c9fc123c57dff829e728c4b08fe7fa27a130903907856127c9aec7d7f2c83c8e6d812208291c495cf25af195404d9010391cf53fcd12f2647475acc049

    • memory/1196-24-0x0000000004570000-0x0000000004580000-memory.dmp

      Filesize

      64KB

    • memory/3024-0-0x0000000000400000-0x000000000048C000-memory.dmp

      Filesize

      560KB

    • memory/3024-1-0x0000000000400000-0x000000000048C000-memory.dmp

      Filesize

      560KB

    • memory/3024-19-0x0000000000400000-0x000000000048C000-memory.dmp

      Filesize

      560KB