Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
04/08/2026, 12:17
General
- Target velogs.exe
- Size 733KB
- Sample260804-pge7fael91
- SHA256 c0654ca707fd45d9563f46dbd51fc03b75f5a05ec0ffc26816bcedcd13520b31
Malware Config
Extracted
-
phantom_stealer
-
v3.5.0
-
1YA6UHTISPAQ669J8KKQ
-
anti_analysis
0
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cb_enables_ssl
0
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debug
0
-
keylogger
1
-
start_delay
0
-
startup
1
Signatures
- Family: PhantomStealer
Phantom Stealer is a stealer written in C#, forked from the Stealerium family.
- Detects PhantomStealer written in C# 3 IoCs
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Costura .NET executable packer 2 IoCs
Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\velogs.exe"C:\Users\Admin\AppData\Local\Temp\velogs.exe"1⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --no-sandbox --allow-no-sandbox-job --disable-gpu --mute-audio --disable-audio --user-data-dir="C:\Users\Admin\AppData\Local\Temp\xve2t0kj.ggj"2⤵
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\Temp\xve2t0kj.ggj /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\xve2t0kj.ggj\Crashpad --metrics-dir=C:\Users\Admin\AppData\Local\Temp\xve2t0kj.ggj --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x12c,0x130,0x134,0x108,0x138,0x7ffc83bdc728,0x7ffc83bdc734,0x7ffc83bdc7403⤵
-
-
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C:\Users\Admin\AppData\Roaming\velogs.exeC:\Users\Admin\AppData\Roaming\velogs.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
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
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
settings.dat
Variations
velogs.exe
memory/1956-32-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/1956-15-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/1956-13-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4424-12-0x0000029343110000-0x00000293432D2000-memory.dmp
memory/4424-17-0x0000029343810000-0x0000029343D38000-memory.dmp
memory/4424-8-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4424-9-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4424-10-0x0000029342E50000-0x0000029342F02000-memory.dmp
memory/4424-6-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4424-0-0x00000293284D0000-0x000002932858E000-memory.dmp
memory/4424-14-0x0000029342FC0000-0x0000029343036000-memory.dmp
memory/4424-5-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4424-4-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4424-16-0x0000029342F40000-0x0000029342F90000-memory.dmp
memory/4424-7-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4424-18-0x0000029342BD0000-0x0000029342BEE000-memory.dmp
memory/4424-1-0x00007FFC8914F000-0x00007FFC89150000-memory.dmp
memory/4424-3-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4424-2-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4424-25-0x0000029342F00000-0x0000029342F22000-memory.dmp
memory/4424-28-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4424-29-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4424-30-0x00007FFC88FC0000-0x00007FFC89964000-memory.dmp
memory/4548-22-0x0000022A2D7D0000-0x0000022A2D88E000-memory.dmp