Overview

overview

10

Static

static

10

bcc9bf1df3...d1.exe

windows7-x64

9

bcc9bf1df3...d1.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 03:24

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General

  • Target
    bcc9bf1df30e06826222db4e89f07187f0365f398f37849e901a9588dbea85d1.exe
  • Size 352KB
  • Sample240614-dx65batcld
  • SHA256 bcc9bf1df30e06826222db4e89f07187f0365f398f37849e901a9588dbea85d1
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
persistencespywarestealer

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 10 IoCs
  • 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 2 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
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcc9bf1df30e06826222db4e89f07187f0365f398f37849e901a9588dbea85d1.exe
    "C:\Users\Admin\AppData\Local\Temp\bcc9bf1df30e06826222db4e89f07187f0365f398f37849e901a9588dbea85d1.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1020
      • 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
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:4088

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ctfmen.exe
        • Path C:\Windows\SysWOW64\ctfmen.exe
        • Size 4KB
        • SHA256 8b38a97aec2b5bae3c6c98ba875b51aa2c07eb1435dc6c7ebb095fb0db27ad47
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        grcopy.dll
        • Path C:\Windows\SysWOW64\grcopy.dll
        • Size 352KB
        • SHA256 21d33b40c0f8bef23264402923256c2dadf62c5310c175e8a8000abb9ed3b833
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        satornas.dll
        • Path C:\Windows\SysWOW64\satornas.dll
        • Size 183B
        • SHA256 b7575e632c9b12ad43a6bfd92bb5f9839c154c3bfa28d009f83eba6973901466
        • MD5 SHA1 SHA512
        Submit Download

        shervans.dll
        • Path C:\Windows\SysWOW64\shervans.dll
        • Size 8KB
        • SHA256 d7cdf51ebaa07dd01b174f726d0731312ba6cc7e91c76c10b785969e3ff8883e
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1020-25-0x0000000000400000-0x0000000000409000-memory.dmp
        Download

        memory/4088-30-0x0000000000400000-0x0000000000460000-memory.dmp
        Download

        memory/4088-37-0x0000000010000000-0x000000001000D000-memory.dmp
        Download

        memory/4088-40-0x0000000000400000-0x0000000000460000-memory.dmp
        Download

        memory/5052-0-0x0000000000400000-0x0000000000460000-memory.dmp
        Download

        memory/5052-18-0x0000000010000000-0x000000001000D000-memory.dmp
        Download

        memory/5052-24-0x0000000010000000-0x000000001000D000-memory.dmp
        Download

        memory/5052-23-0x0000000000400000-0x0000000000460000-memory.dmp
        Download