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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 22:44

General

  • Target

    d63d18c67f83e54c77072aa953c5e5c0496a7a4c2ac6ca8bd07e211ee80b3d6c.exe

  • Size

    216KB

  • MD5

    3c01f02d55374baace8ac5b33fe49f0e

  • SHA1

    20c79d225fad0162363986914f34830cb6e1caaa

  • SHA256

    d63d18c67f83e54c77072aa953c5e5c0496a7a4c2ac6ca8bd07e211ee80b3d6c

  • SHA512

    430c8e350363a38ea37067ddd379c04f723ec379a959cc2083ca2a6b17e789f7a6c30e377e82f3514c6bb603e8a6890d40eb3de84b9ddf8b84bb8005fe2dd850

  • SSDEEP

    6144:sgc6Fx2RMPWAECC4ukYFYMbejiofOXpXbV4EO:bpP2RMPjECCmYFYMbej2LV4EO

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Signatures

  • 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
  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 4 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d63d18c67f83e54c77072aa953c5e5c0496a7a4c2ac6ca8bd07e211ee80b3d6c.exe
    "C:\Users\Admin\AppData\Local\Temp\d63d18c67f83e54c77072aa953c5e5c0496a7a4c2ac6ca8bd07e211ee80b3d6c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminGIEBGIIJDG.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2580
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminIDHJEBGIEB.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \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/1504-0-0x000000007494E000-0x000000007494F000-memory.dmp

    Filesize

    4KB

  • memory/1504-1-0x00000000003F0000-0x0000000000428000-memory.dmp

    Filesize

    224KB

  • memory/1504-2-0x0000000074940000-0x000000007502E000-memory.dmp

    Filesize

    6.9MB

  • memory/1504-4-0x0000000074940000-0x000000007502E000-memory.dmp

    Filesize

    6.9MB

  • memory/1504-18-0x0000000074940000-0x000000007502E000-memory.dmp

    Filesize

    6.9MB

  • memory/2260-17-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2260-21-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2260-11-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2260-16-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2260-9-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2260-7-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2260-20-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2260-12-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2260-22-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2260-5-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2260-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2260-124-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2260-103-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2580-98-0x0000000002890000-0x0000000002891000-memory.dmp

    Filesize

    4KB