Analysis
- max time kernel
149s - max time network
115s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
28/07/2026, 18:29
General
- Target CFXBypass.exe
- Size 36KB
- Sample260728-w448easfmd
- SHA256 9df11356c5ac61d2aa7b5425e6322fc016b0ed5790dacb201396500b3eee03f7
Malware Config
Signatures
- Downloads MZ/PE file 1 IoCs
- Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
- Executes dropped EXE 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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 3 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
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Modifies system certificate store 2 TTPs 3 IoCs
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\CFXBypass.exe"C:\Users\Admin\AppData\Local\Temp\CFXBypass.exe"1⤵
- Downloads MZ/PE file
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\dcd958ec-9685-444d-b563-8b0d3f63bb42\background.exe"C:\Users\Admin\AppData\Local\dcd958ec-9685-444d-b563-8b0d3f63bb42\background.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --headless --incognito3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --headless --disable-gpu3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" --headless --disable-gpu3⤵
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
Network
MITRE ATT&CK Enterprise v16
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_nljdeu2j.xmi.ps1
background.exe
memory/4524-96-0x00007FF7DECB0000-0x00007FF7DEEDA000-memory.dmp
memory/4524-90-0x0000000140000000-0x000000014028D000-memory.dmp
memory/4524-88-0x00007FFAD3520000-0x00007FFAD3783000-memory.dmp
memory/4776-9-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-22-0x0000000020750000-0x000000002075A000-memory.dmp
memory/4776-0-0x00007FFAB219F000-0x00007FFAB21A0000-memory.dmp
memory/4776-10-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-11-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-12-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-13-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-14-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-15-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-16-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-17-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-20-0x0000000020670000-0x000000002068E000-memory.dmp
memory/4776-21-0x0000000020690000-0x0000000020742000-memory.dmp
memory/4776-8-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-23-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-7-0x0000000002FF0000-0x0000000003012000-memory.dmp
memory/4776-6-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-83-0x0000000023B10000-0x0000000023B2E000-memory.dmp
memory/4776-84-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-85-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-86-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-87-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-3-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-2-0x00007FFAB2010000-0x00007FFAB29B4000-memory.dmp
memory/4776-1-0x0000000000DC0000-0x0000000000DD0000-memory.dmp