Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/10/2024, 23:26

General

  • Target

    5dfe02a2c169a30a3c6530c859206277e638f91fd11e1d7c9e88ac626534b2d2.exe

  • Size

    414KB

  • MD5

    e5348a7741e1f455018922f88bda740b

  • SHA1

    5c2e410ff8dacc75d794dcbd23487206b32bcaab

  • SHA256

    5dfe02a2c169a30a3c6530c859206277e638f91fd11e1d7c9e88ac626534b2d2

  • SHA512

    6c40a2d5aa12c0acd9ced775a8360487cf9518229d140f25853805cdf87c0ac1fbbea229cc0b8d110884dea61e05a8790d2d8e301ff04c9f98dd9c3e87107234

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Malware Config

Signatures

  • Blocklisted process makes network request 10 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 3 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5dfe02a2c169a30a3c6530c859206277e638f91fd11e1d7c9e88ac626534b2d2.exe
    "C:\Users\Admin\AppData\Local\Temp\5dfe02a2c169a30a3c6530c859206277e638f91fd11e1d7c9e88ac626534b2d2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\sldbdmhpu.exe "C:\Users\Admin\AppData\Local\Temp\5dfe02a2c169a30a3c6530c859206277e638f91fd11e1d7c9e88ac626534b2d2.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3056
      • C:\Users\Admin\AppData\Local\Temp\sldbdmhpu.exe
        C:\Users\Admin\AppData\Local\Temp\\sldbdmhpu.exe "C:\Users\Admin\AppData\Local\Temp\5dfe02a2c169a30a3c6530c859206277e638f91fd11e1d7c9e88ac626534b2d2.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2280
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\qqfimrv\xpdlu.dll",Verify C:\Users\Admin\AppData\Local\Temp\sldbdmhpu.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
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2476

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Program Files\qqfimrv\xpdlu.dll

          Filesize

          228KB

          MD5

          5e07b67d707564b9c591423ae9cedd9b

          SHA1

          fead8bfa122a3c19e2b7b515fdb77d27e90c117f

          SHA256

          b53405a6d795e899283698a06b43f8aa2f0e9fbe0a6f20e5c606ceb20b776b71

          SHA512

          e86fe549d9a1d4514eaabe660ac0f81d097c2e35d4a51e23ce4c613b929c85131340a577e9a88775fc934f7f4ac42702f2bd7297f1cd0af6934f8db339956828

        • \Users\Admin\AppData\Local\Temp\sldbdmhpu.exe

          Filesize

          414KB

          MD5

          00ea453334fd90f50aef809c930179ae

          SHA1

          0e48c4b7f3fe4b4cc7cce5a532b166db08054a3f

          SHA256

          322fd619a2a0c1b3db484036154c714f18f63f87b7bbee18cf276fb9b7d43878

          SHA512

          943533449b1c3c194d897930f72b8124b2e34e96af5db70dd2182c36e538d4937d5f7d4ec8b8e1c92a57aed0b2b8ffa12f2577d5fe6ff66017c974955f6f9f35

        • memory/2112-0-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/2112-2-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/2280-9-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/2404-7-0x0000000000260000-0x00000000002C4000-memory.dmp

          Filesize

          400KB

        • memory/2476-15-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

        • memory/2476-17-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

        • memory/2476-16-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

        • memory/2476-18-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

        • memory/2476-20-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB