Overview

overview

8

Static

static

3

f799f0e3e9...8N.exe

windows7-x64

8

f799f0e3e9...8N.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    08/11/2024, 13:25

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General

  • Target
    f799f0e3e91fcacf2227083e2611601956f171328a3e51a21c2e5f21e4671cc8N.exe
  • Size 118KB
  • Sample241108-qn5aksslfz
  • SHA256 f799f0e3e91fcacf2227083e2611601956f171328a3e51a21c2e5f21e4671cc8
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
discoverypersistencespywarestealer

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 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.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 19 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Maps connected drives based on registry 3 TTPs 6 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f799f0e3e91fcacf2227083e2611601956f171328a3e51a21c2e5f21e4671cc8N.exe
    "C:\Users\Admin\AppData\Local\Temp\f799f0e3e91fcacf2227083e2611601956f171328a3e51a21c2e5f21e4671cc8N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1680
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:2232

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ctfmen.exe
        • Path C:\Windows\SysWOW64\ctfmen.exe
        • Size 4KB
        • SHA256 bb5007004f267d11f916d053b68bcf8eb559125a1f20f54125a68ce08bf877d9
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        satornas.dll
        • Path C:\Windows\SysWOW64\satornas.dll
        • Size 183B
        • SHA256 998c6c3479ed9f302385f30251954f455eaca05571d415fab0b4189c5b11aaee
        • MD5 SHA1 SHA512
        Submit Download

        smnss.exe
        • Path C:\Windows\SysWOW64\smnss.exe
        • Size 118KB
        • SHA256 a4bb272eab4d4f8ceda81f4a746cffe298bdf18dba3740e263a75054c68ab45d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        shervans.dll
        • Path \Windows\SysWOW64\shervans.dll
        • Size 8KB
        • SHA256 ec4fafb645d5712415d16df67ed04ce59d87a6a131f8a41e081a67de3215b5f9
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1680-34-0x0000000000400000-0x0000000000409000-memory.dmp
        Download

        memory/1680-29-0x0000000000320000-0x000000000033F000-memory.dmp
        Download

        memory/1680-27-0x0000000000400000-0x0000000000409000-memory.dmp
        Download

        memory/2036-24-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2036-25-0x0000000010000000-0x000000001000D000-memory.dmp
        Download

        memory/2036-0-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2036-12-0x0000000010000000-0x000000001000D000-memory.dmp
        Download

        memory/2232-36-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2232-41-0x0000000010000000-0x000000001000D000-memory.dmp
        Download

        memory/2232-43-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2232-44-0x0000000010000000-0x000000001000D000-memory.dmp
        Download