Overview

overview

8

Static

static

3

158f86c2cd...28.exe

windows7-x64

8

158f86c2cd...28.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 21:32

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General

  • Target

    158f86c2cdba0511336ded483a51d3f67cc905bbe03920b2d48a2906217b1828.exe

  • Size

    405KB

  • MD5

    d593a7be4aa110558a7dc5cc88643aaa

  • SHA1

    98df8292e228247d6914026b6c1a29e7ff5d07ed

  • SHA256

    158f86c2cdba0511336ded483a51d3f67cc905bbe03920b2d48a2906217b1828

  • SHA512

    6a916cababd2068591e782ae8745a784bd3b04e1fbd37cf38d5764bb85c90dc17031b5408dc5e89e1eef6ef04bdcd4d9baa9205e919e5fd1dba49bda9a162570

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score
8/10
bootkitpersistencespywarestealer

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 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    bootkitpersistence
  • 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 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\158f86c2cdba0511336ded483a51d3f67cc905bbe03920b2d48a2906217b1828.exe
    "C:\Users\Admin\AppData\Local\Temp\158f86c2cdba0511336ded483a51d3f67cc905bbe03920b2d48a2906217b1828.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\lxqxo.exe "C:\Users\Admin\AppData\Local\Temp\158f86c2cdba0511336ded483a51d3f67cc905bbe03920b2d48a2906217b1828.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2104
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2368
      • C:\Users\Admin\AppData\Local\Temp\lxqxo.exe
        C:\Users\Admin\AppData\Local\Temp\\lxqxo.exe "C:\Users\Admin\AppData\Local\Temp\158f86c2cdba0511336ded483a51d3f67cc905bbe03920b2d48a2906217b1828.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2992
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\cbhtn\ztdrcwxs.dll",Verify C:\Users\Admin\AppData\Local\Temp\lxqxo.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:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\cbhtn\ztdrcwxs.dll
    Filesize

    228KB

    MD5

    c3e2fc59f3186c390e1cacb31330789b

    SHA1

    3845bff4bfd676dffa629dda8a254c7061abc94c

    SHA256

    7319a96e81681758bff9346acc384506ff560d70d106a652e1ff76f510d5f8d2

    SHA512

    a71615e04812d5311b2d8cee56e14d9abf895a7c72ac8c5151689e4ed3b3c3cb996045cecf83b1cd02128e68454c41c56755871ad22876e69041dc5fd2676ee9

    Download Submit
  • \Users\Admin\AppData\Local\Temp\lxqxo.exe
    Filesize

    405KB

    MD5

    34a428aef99021eeeac605733168b4a5

    SHA1

    cd0c2a84a40a7a2a65cf41637c97353d07a1fe5f

    SHA256

    33139b92574bad5774b68900da9d5cc1853949716d40aa832829c113b61d1b75

    SHA512

    afba26f0dfecbf51772c1ae18053cbc91097147b501e9bcd0155dc2fa1cbc2b2e2423faaa8c958da4eac17bb18c29250420688c55e5857e7e841d007d699cfd5

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  • memory/2756-0-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/2756-2-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/2992-7-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/2992-9-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/3060-13-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/3060-16-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/3060-17-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/3060-19-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download