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Analysis

  • max time kernel
    142s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2024, 02:18

General

  • Target

    76664c6018506cd76f461cb245004689a64f83e5592738062f5c91720f06fe3d.exe

  • Size

    152KB

  • MD5

    e8006c0efa0058b3f5afc8b53a06ff4b

  • SHA1

    58ed7fa42e310a85556c3454fa286f59387381d8

  • SHA256

    76664c6018506cd76f461cb245004689a64f83e5592738062f5c91720f06fe3d

  • SHA512

    16da8cedba205cab6f3bb184bb4f1466e71d840f2e30741ce2343a68c9349ce407a8f42d6dffc8aba078add80cf188432802bbcf5f9c4dce12dd77abfdeff8ed

  • SSDEEP

    3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dIC:OPjEl6jLiQ1JW+Oy3p/n

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 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 23 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.

  • Drops file in Program Files directory 4 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 4 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\76664c6018506cd76f461cb245004689a64f83e5592738062f5c91720f06fe3d.exe
    "C:\Users\Admin\AppData\Local\Temp\76664c6018506cd76f461cb245004689a64f83e5592738062f5c91720f06fe3d.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:708
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qvtys.exe "C:\Users\Admin\AppData\Local\Temp\76664c6018506cd76f461cb245004689a64f83e5592738062f5c91720f06fe3d.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2408
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:552
      • C:\Users\Admin\AppData\Local\Temp\qvtys.exe
        C:\Users\Admin\AppData\Local\Temp\\qvtys.exe "C:\Users\Admin\AppData\Local\Temp\76664c6018506cd76f461cb245004689a64f83e5592738062f5c91720f06fe3d.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2080
        • \??\c:\Program Files\ywosj\uni.exe
          "c:\Program Files\ywosj\uni.exe" "c:\Program Files\ywosj\uniuw.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\qvtys.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2996
  • 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 --field-trial-handle=4028,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4196 /prefetch:8
    1⤵
      PID:3160

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\ywosj\uni.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

      Filesize

      152KB

      MD5

      d32d15aadeb7e0bc81a5ea1edaf49cdb

      SHA1

      c279e70760f93a1b62afc99a210e917be129f079

      SHA256

      98991368ec14a8e4509d97623c6fb3e81e1fe62bb852d1c01c426dd021fa6b4e

      SHA512

      50cc948d3b809d7de449f4e4ccb48d82eb476b9a955759ac50969e995d962bca9b69b6b9d72342e338b3cdf6f69c834644906862087757daafecb2b62e548073

    • \??\c:\Program Files\ywosj\uniuw.dll

      Filesize

      128KB

      MD5

      86377bfa1b6651ec3f67c616092e1c62

      SHA1

      94f5267201a0600b5294f40feeb0a6aaf8ce307d

      SHA256

      93ccdf1660e3fbbdf8ffbac2c06a6223dfddf60b838b35cd69c000c5b1537390

      SHA512

      cba3689b45a6f08d21d51e6884014f5cbdc410809975d932cdfed58b7b09b67aae05e6cd68a15d53f56d7e85826d957c0ef9ff7d07c7cfc00fcdfaad8b6a5d19

    • memory/708-0-0x0000000000400000-0x000000000042F036-memory.dmp

      Filesize

      188KB

    • memory/708-2-0x0000000000400000-0x000000000042F036-memory.dmp

      Filesize

      188KB

    • memory/2080-10-0x0000000000400000-0x000000000042F036-memory.dmp

      Filesize

      188KB

    • memory/2996-14-0x0000000010000000-0x0000000010048000-memory.dmp

      Filesize

      288KB

    • memory/2996-15-0x0000000010000000-0x0000000010048000-memory.dmp

      Filesize

      288KB

    • memory/2996-17-0x0000000010000000-0x0000000010048000-memory.dmp

      Filesize

      288KB

    • memory/2996-19-0x0000000010000000-0x0000000010048000-memory.dmp

      Filesize

      288KB