Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-04-2024 08:07

General

  • Target

    122dd56cea522d7ca5209c2ff7b0b74a6112b992ebc1a8541ea5a29737e8f0a9.exe

  • Size

    403KB

  • MD5

    2f1d6db9af7a44f4402394c090f583b0

  • SHA1

    844c8516191d9d55e4c25fad9c93a7a2119161dc

  • SHA256

    122dd56cea522d7ca5209c2ff7b0b74a6112b992ebc1a8541ea5a29737e8f0a9

  • SHA512

    f34778922dc1c18a96d67368692a8a3ea7a98f0ec5942710e9bb044de16005a3478650fca2b71adddbf4c72b8178565130e71929d6a7b0b928256fd70f9082be

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\122dd56cea522d7ca5209c2ff7b0b74a6112b992ebc1a8541ea5a29737e8f0a9.exe
    "C:\Users\Admin\AppData\Local\Temp\122dd56cea522d7ca5209c2ff7b0b74a6112b992ebc1a8541ea5a29737e8f0a9.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4152
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\cgjqz.exe "C:\Users\Admin\AppData\Local\Temp\122dd56cea522d7ca5209c2ff7b0b74a6112b992ebc1a8541ea5a29737e8f0a9.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:3148
      • C:\Users\Admin\AppData\Local\Temp\cgjqz.exe
        C:\Users\Admin\AppData\Local\Temp\\cgjqz.exe "C:\Users\Admin\AppData\Local\Temp\122dd56cea522d7ca5209c2ff7b0b74a6112b992ebc1a8541ea5a29737e8f0a9.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2076
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\rovpy\tvvhjwpts.dll",Verify C:\Users\Admin\AppData\Local\Temp\cgjqz.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:676
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1040 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2184

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\cgjqz.exe

      Filesize

      404KB

      MD5

      10c4a048108c6ea1fe18752599069dca

      SHA1

      b7da652603fa8ad86d80f13e69e590d521441699

      SHA256

      2ebb23a203635329a6e250dfde801c8c816d8a1ff745f41d2057871b2cce24bf

      SHA512

      37d37f25dd2b18900dd77b11131a41e9b6c499a7b5e46263c5d0af4e3eb454d6187b6ad2732fb71e9248e8066f624353775ab7d9412a22fc350de06703c74d50

    • \??\c:\Program Files\rovpy\tvvhjwpts.dll

      Filesize

      228KB

      MD5

      868713ce8face12bc8a576603b7e7fb1

      SHA1

      46e3fab0a82dd6351c57761720ff4d2bcf382bc2

      SHA256

      3f6e77e88ae3ce28a3b660d65262dbdbfcbae45823262e3cec83aed0f8b2af16

      SHA512

      171db18f62416197244a81eba45630ef4d36ed038dadfb6ae595838c75428a7fb4f03e3f2f9c2d3b9afbdc4f4591920a5867c78bb436ca86da9720e4a8549ab1

    • memory/676-10-0x0000000010000000-0x0000000010080000-memory.dmp

      Filesize

      512KB

    • memory/676-11-0x0000000010000000-0x0000000010080000-memory.dmp

      Filesize

      512KB

    • memory/676-13-0x0000000010000000-0x0000000010080000-memory.dmp

      Filesize

      512KB

    • memory/2076-7-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4152-0-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4152-2-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB