Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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 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.

  • 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 19 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:3040
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ixwre.exe "C:\Users\Admin\AppData\Local\Temp\759e36d3b80dbb4a591891665c0c639e62051f583ae9ef22dfe335f77a55b436.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:3064
      • C:\Users\Admin\AppData\Local\Temp\ixwre.exe
        C:\Users\Admin\AppData\Local\Temp\\ixwre.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:2592
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\hcpqiwd\twkdh.dll",Verify C:\Users\Admin\AppData\Local\Temp\ixwre.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:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\hcpqiwd\twkdh.dll

    Filesize

    228KB

    MD5

    0dc94ae74a502800b6a03dbc5df463b1

    SHA1

    0b3a516f2c1a2e3c5b9fad17167dba83036d035d

    SHA256

    39a888993fe5f5ed40409579d7382afe83c47a32fb8999f5a1958ab3b661b342

    SHA512

    bb389f5a6add277025fedcc57cf358803654abfcb3bba085e9e9741e31daabb4049b2445c506add843e5a2b113863c57d4303140949933f32518680b7bdcb875

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

    Filesize

    407KB

    MD5

    8f54be2a9490ed69afc674be695a06fc

    SHA1

    4d73d50d097941f8fa8c17634c743fd7a8524e4a

    SHA256

    30c08c090e8047650649b3f2025b4054fd7153e565b28dd8fcd77c580f73e286

    SHA512

    83893c8eccf72bbb72dbd2cfb7ecdf9418aaff03821c0d7cc75bca5c4f4e50da6107e21a8f8e0934e222517502856596fcf8eefc3a4560075be17c7c0e9954a0

  • memory/2508-17-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2508-18-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2508-15-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2508-19-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2508-21-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2556-5-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2592-8-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2592-10-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3040-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3040-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB