Analysis

  • max time kernel
    49s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    04-08-2024 15:27

General

  • Target

    0x000c0000000234ed-1063.exe

  • Size

    7.1MB

  • MD5

    f6c26e56c21e80ece28c34c1491cd173

  • SHA1

    2cb59f35292b92d79c6a4c569c58b5871bd9bf94

  • SHA256

    a88e34617a82ee8f03c33ded79042a0d8f4655daf4de40d819e74448f9c34fc1

  • SHA512

    2228aa271ca678d7db627a39f8affcdc7266123ddd99da357b60a37d0b77a2a78509184a3cc302064a88ba225dee61ba43e4ae7e64546cc816845d92ad15b5b6

  • SSDEEP

    98304:diMrdaUIJ3sxQvmzLvqwBOZTcjgxffDjqJLzEw5blkyD9OQUYn:Yi68xQ+zLJOZwjgZbeB0Yn

Malware Config

Extracted

Family

stealc

Botnet

meowsterioland3

C2

http://45.152.112.131

Attributes
  • url_path

    /8ee66a3c8f19e4b5.php

Signatures

  • Detects HijackLoader (aka IDAT Loader) 1 IoCs
  • HijackLoader

    HijackLoader is a multistage loader first seen in 2023.

  • Stealc

    Stealc is an infostealer written in C++.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0x000c0000000234ed-1063.exe
    "C:\Users\Admin\AppData\Local\Temp\0x000c0000000234ed-1063.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\SysWOW64\cmd.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2752
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "" & del "C:\ProgramData\*.dll"" & exit
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1408
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 5
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\e37bde3a

    Filesize

    907KB

    MD5

    4b2558db5f15a92bf1967e0d78c8a7e7

    SHA1

    fa28e1d78baa9a450050a000d066738cbdeeffbf

    SHA256

    f3c9a11d9377811f431563d58528e9cd9904e2bec0f0e19c893572692f642f3d

    SHA512

    c9678ede051752f60646602ad93823c24f28f00a077795fc4cb89a963382b30a479a0e06f39f62d596e5fa3c16c0bd744b01662d05392f8e3856fead4d771c53

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/2324-0-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2324-1-0x0000000000400000-0x0000000000BC1000-memory.dmp

    Filesize

    7.8MB

  • memory/2324-2-0x0000000074740000-0x00000000748B4000-memory.dmp

    Filesize

    1.5MB

  • memory/2324-3-0x00000000775E0000-0x0000000077789000-memory.dmp

    Filesize

    1.7MB

  • memory/2324-4-0x0000000074753000-0x0000000074755000-memory.dmp

    Filesize

    8KB

  • memory/2324-5-0x0000000074740000-0x00000000748B4000-memory.dmp

    Filesize

    1.5MB

  • memory/2324-6-0x0000000074740000-0x00000000748B4000-memory.dmp

    Filesize

    1.5MB

  • memory/2752-18-0x0000000000400000-0x0000000000645000-memory.dmp

    Filesize

    2.3MB

  • memory/2752-16-0x0000000000400000-0x0000000000645000-memory.dmp

    Filesize

    2.3MB

  • memory/2752-17-0x00000000775E0000-0x0000000077789000-memory.dmp

    Filesize

    1.7MB

  • memory/2752-20-0x0000000000E30000-0x0000000000E38000-memory.dmp

    Filesize

    32KB

  • memory/2752-21-0x0000000000E00000-0x0000000001081000-memory.dmp

    Filesize

    2.5MB

  • memory/2752-22-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2752-51-0x0000000000400000-0x0000000000645000-memory.dmp

    Filesize

    2.3MB

  • memory/2752-83-0x0000000000400000-0x0000000000645000-memory.dmp

    Filesize

    2.3MB

  • memory/3008-13-0x0000000074740000-0x00000000748B4000-memory.dmp

    Filesize

    1.5MB

  • memory/3008-15-0x0000000074740000-0x00000000748B4000-memory.dmp

    Filesize

    1.5MB

  • memory/3008-12-0x0000000074740000-0x00000000748B4000-memory.dmp

    Filesize

    1.5MB

  • memory/3008-11-0x00000000775E0000-0x0000000077789000-memory.dmp

    Filesize

    1.7MB

  • memory/3008-10-0x0000000074740000-0x00000000748B4000-memory.dmp

    Filesize

    1.5MB