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Analysis

  • max time kernel
    117s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04/02/2024, 20:55

General

  • Target

    VirusShare_911e66524f9a5cd74310756c975ce7cf.exe

  • Size

    163KB

  • MD5

    911e66524f9a5cd74310756c975ce7cf

  • SHA1

    560e3441ba41ba22652d8200ce57f17a9e1ec5c4

  • SHA256

    9460876404af1e8aed0eaec4cb29b37631db3c9038d5dd2e6e2fdb3e60a8d0e9

  • SHA512

    a92aff4f1095b67610f854e3f8be6fe11679ae0e38a8c0008d2fe493a05f1a613efb418bd8c42e36faf9498d8ecd15dc2f8424790ad5407c44fc184c996efbb8

  • SSDEEP

    3072:KswLeUpdrYpctTXSERLK3pgotbLmMGWGLxsYrVd3ZephYrWttlUDzP:zwLjdMCtfRu5/tbLQrXpahHtjk

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 16 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 16 IoCs
  • Stops running service(s) 3 TTPs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 8 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
    "C:\Users\Admin\AppData\Local\Temp\VirusShare_911e66524f9a5cd74310756c975ce7cf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Users\Admin\AppData\Local\Temp\VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
      C:\Users\Admin\AppData\Local\Temp\VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
      2⤵
      • Modifies firewall policy service
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\SysWOW64\sc.exe
        sc delete 292573
        3⤵
        • Launches sc.exe
        PID:2936
      • C:\Windows\Debug\mhost.exe
        "C:\Windows\Debug\mhost.exe" /start
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2208
        • C:\Windows\Debug\mhost.exe
          C:\Windows\Debug\mhost.exe
          4⤵
          • Modifies firewall policy service
          • Executes dropped EXE
          • Drops file in Windows directory
          PID:1780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\mhost.exe

    Filesize

    163KB

    MD5

    911e66524f9a5cd74310756c975ce7cf

    SHA1

    560e3441ba41ba22652d8200ce57f17a9e1ec5c4

    SHA256

    9460876404af1e8aed0eaec4cb29b37631db3c9038d5dd2e6e2fdb3e60a8d0e9

    SHA512

    a92aff4f1095b67610f854e3f8be6fe11679ae0e38a8c0008d2fe493a05f1a613efb418bd8c42e36faf9498d8ecd15dc2f8424790ad5407c44fc184c996efbb8

  • memory/1780-67-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1780-64-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/1780-63-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2208-62-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2632-16-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-23-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-11-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2632-13-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-18-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-4-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-6-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-20-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-12-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-25-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-30-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-10-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-31-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-41-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-8-0x0000000000400000-0x0000000000528000-memory.dmp

    Filesize

    1.2MB

  • memory/2824-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2824-19-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2824-3-0x00000000002E0000-0x00000000002EC000-memory.dmp

    Filesize

    48KB