Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 14:29

General

  • Target

    759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe

  • Size

    407KB

  • MD5

    147db7770a8a10681410d486af5d6281

  • SHA1

    e320833c225052530ec97c6a76e30a81e293ec5c

  • SHA256

    759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436

  • SHA512

    d247b268f15eacaab44de82870825561e69a1db04d011b2970ec77e7d8c28951fd5d3cdb59b425ee7da07092721f582e94761c51e4efd4f03195f48ce240e274

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH41:gtRfJcNYFNm8UhlZGse1

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 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
  • 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\759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe
    "C:\Users\Admin\AppData\Local\Temp\759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:988
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\fpnzx.exe "C:\Users\Admin\AppData\Local\Temp\759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2284
      • C:\Users\Admin\AppData\Local\Temp\fpnzx.exe
        C:\Users\Admin\AppData\Local\Temp\\fpnzx.exe "C:\Users\Admin\AppData\Local\Temp\759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4220
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\qhagapok\xmckn.dll",Verify C:\Users\Admin\AppData\Local\Temp\fpnzx.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:4444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    407KB

    MD5

    7ea84d59a12eb22e52053d2fa114f884

    SHA1

    b7bfd51918c22eb428ad031f8033374e99182e4f

    SHA256

    37d2250b276f71263ab5a26942c00246ad086552ef188c0a8b7e085fb523c608

    SHA512

    0f2ee6903d69af915cf772900a4081e3ece19286db2854f4ce4ae6867b72d9e4bc8a5636bc9684e0f84b897eb8f006424e4c9157f338523e5ec4fdf9db92b66b

  • \??\c:\Program Files\qhagapok\xmckn.dll

    Filesize

    228KB

    MD5

    55313b256fa3d0d3e508221acffd7bc4

    SHA1

    7f5f8db070995436578dee2989e7ba7e97274bd6

    SHA256

    51fc74c4fba233c44b22029df9cbad6400a1830ade7f0b707dd61332041a1138

    SHA512

    ba58cb41992dff1142773ab80f8e5aae8f67d7cd1e25b714a8e8ceceeecc35474587b8ac3a5f48f8d02765d473c5cefc5c5b0d58f981506b39a38e5041424cbd

  • memory/988-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/988-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/4220-7-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/4444-10-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/4444-11-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/4444-13-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB