Overview

overview

8

Static

static

3

5f81ec170d...2N.exe

windows7-x64

8

5f81ec170d...2N.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2025, 12:17

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General

  • Target
    5f81ec170d15e9941ee1c047592fd9e938d26b043b566bc38a733ffaa4887c42N.exe
  • Size 119KB
  • Sample250119-pgb5saxncp
  • SHA256 5f81ec170d15e9941ee1c047592fd9e938d26b043b566bc38a733ffaa4887c42
  • 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 2 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f81ec170d15e9941ee1c047592fd9e938d26b043b566bc38a733ffaa4887c42N.exe
    "C:\Users\Admin\AppData\Local\Temp\5f81ec170d15e9941ee1c047592fd9e938d26b043b566bc38a733ffaa4887c42N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3652
      • 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:4136

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ctfmen.exe
        • Path C:\Windows\SysWOW64\ctfmen.exe
        • Size 4KB
        • SHA256 6aa1edbfc87023c05c0c41d83c834ccd1af52a06026173a1c116db8538700bbe
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        grcopy.dll
        • Path C:\Windows\SysWOW64\grcopy.dll
        • Size 119KB
        • SHA256 90a34bb4e51acd7de34fd1e9eaf3443a5c868f22ba44706b572f4eae6cd3d01a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        satornas.dll
        • Path C:\Windows\SysWOW64\satornas.dll
        • Size 183B
        • SHA256 c6c36e3ab33460a4f27ee692dc8173d08f75c93c0116b388d4bc7abe16006fdf
        • MD5 SHA1 SHA512
        Submit Download

        shervans.dll
        • Path C:\Windows\SysWOW64\shervans.dll
        • Size 8KB
        • SHA256 434e0afec071bb55809afb7d0ca8e71f04649f2f2563813b0e3732ba1e79920e
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/3652-25-0x0000000000400000-0x0000000000409000-memory.dmp
        Download

        memory/4136-36-0x0000000010000000-0x000000001000D000-memory.dmp
        Download

        memory/4136-30-0x0000000000400000-0x0000000000420000-memory.dmp
        Download

        memory/4136-38-0x0000000000400000-0x0000000000420000-memory.dmp
        Download

        memory/4136-39-0x0000000010000000-0x000000001000D000-memory.dmp
        Download

        memory/4720-23-0x0000000000400000-0x0000000000420000-memory.dmp
        Download

        memory/4720-24-0x0000000010000000-0x000000001000D000-memory.dmp
        Download

        memory/4720-0-0x0000000000400000-0x0000000000420000-memory.dmp
        Download

        memory/4720-12-0x0000000010000000-0x000000001000D000-memory.dmp
        Download