Overview

overview

8

Static

static

3

a2e666391e...47.exe

windows7-x64

8

a2e666391e...47.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    95s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/02/2024, 04:24

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General

  • Target

    a2e666391e2ee9a66a8963dc2b91f347.exe

  • Size

    40KB

  • MD5

    a2e666391e2ee9a66a8963dc2b91f347

  • SHA1

    a2d94b47dcdf28be4ba4e7d5000e227c499a5292

  • SHA256

    c8a31acc50c25a84b4e3f6e44e7bda4d415c0b7c63c30f103f3a42b73b8bacf0

  • SHA512

    3b8ba00b64313758cededde66178fe2f548b087edcd639145be39892ae3aa493e1ada216a0b59a01ab4453e77e7fb132dd8f11262e5ea721ec79d79fe2627c3b

  • SSDEEP

    768:Gc/X9F7yRJu/qtyJx0HZZrVgZwiJdqHFJ62WUsiY+l6AD4DMgAGUI26fwc38+Fr:GoXHWsyHZjenwLhWUJQuHIrfwc3Rx

Score
8/10
persistence

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 1 IoCs
  • Modifies WinLogon 2 TTPs 3 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2e666391e2ee9a66a8963dc2b91f347.exe
    "C:\Users\Admin\AppData\Local\Temp\a2e666391e2ee9a66a8963dc2b91f347.exe"
    1⤵
    • Sets service image path in registry
    • Modifies WinLogon
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4168
    • C:\Windows\SysWOW64\cacls.exe
      cacls.exe C:\Windows\system32\cmd.exe /e /t /g everyone:F
      2⤵
        PID:1160
      • C:\Windows\BarClientServer.exe
        C:\Windows\BarClientServer.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:428
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c echo ping 127.1 -n 3 >nul 2>nul >c:\2.bat&echo del "C:\Users\Admin\AppData\Local\Temp\a2e666391e2ee9a66a8963dc2b91f347.exe">>c:\2.bat&echo del c:\2.bat>>c:\2.bat&c:\2.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2824
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.1 -n 3
          3⤵
          • Runs ping.exe
          PID:3828

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\2.bat
      Filesize

      110B

      MD5

      0dbc3eb183f61d7cb44c78916008547d

      SHA1

      35ebb6e163ec7d10bdea67fc70a38b48310745bf

      SHA256

      78215f98acd13bcf27055382af3079fdd879d190dff8eeb5e5c946b3933ee88c

      SHA512

      d8c9214ea3ab36e91016c3c16a6705ab049849ecd0ceffd580e1261dd81eb6191915fdf98be6c1fa06d9bc19426adefe2456e7e75706d90b0312e4ba57c31f0d

      Download Submit

    • C:\Windows\BarClientServer.exe
      Filesize

      124KB

      MD5

      e44dbbebd34898cc746e5a11732b9921

      SHA1

      0cafdd64ffe4c38d4d596729f848e6359c19ad43

      SHA256

      91443d37664176166c242340e555487e9c59795012edc8fb92ea3d11c8b00e94

      SHA512

      fcc4c3a61c06057af236235c078cd32bb937c7e932950db7fbbd4555719a7a8af70b005c00092092003c9234fdd62b5feb352e9f5c6458808f09fc157a59640b

      Download Submit

    • memory/4168-0-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

      Download

    • memory/4168-2-0x00000000005F0000-0x00000000005F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4168-1-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

      Download

    • memory/4168-19-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

      Download