Analysis
- max time kernel
148s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/09/2026, 10:31
General
- Target c36dcc736bf5def64a87906eff82b50758241bdca8afcb6a0cd6ff689ed3b337.exe
- Size 1.5MB
- Sample260910-mkhevsar9x
- SHA256 c36dcc736bf5def64a87906eff82b50758241bdca8afcb6a0cd6ff689ed3b337
Malware Config
Extracted
-
stealc
-
https://update-microsoft-data.services
Signatures
- Family: Stealc
Stealc is an infostealer written in C++.
- Detects Stealc stealer Version 3 33 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\c36dcc736bf5def64a87906eff82b50758241bdca8afcb6a0cd6ff689ed3b337.exe"C:\Users\Admin\AppData\Local\Temp\c36dcc736bf5def64a87906eff82b50758241bdca8afcb6a0cd6ff689ed3b337.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c36dcc736bf5def64a87906eff82b50758241bdca8afcb6a0cd6ff689ed3b337.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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-
C:\Users\Admin\AppData\Local\Temp\c36dcc736bf5def64a87906eff82b50758241bdca8afcb6a0cd6ff689ed3b337.exeC:\Users\Admin\AppData\Local\Temp\c36dcc736bf5def64a87906eff82b50758241bdca8afcb6a0cd6ff689ed3b337.exe2⤵
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\0svfh5d3fbi.ps1"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\UbAkodqWAhZ.exe"C:\Users\Admin\AppData\Roaming\UbAkodqWAhZ.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UbAkodqWAhZ.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Roaming\UbAkodqWAhZ.exeC:\Users\Admin\AppData\Roaming\UbAkodqWAhZ.exe3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
0svfh5d3fbi.ps1
__PSScriptPolicyTest_jhjuw4ge.toa.ps1
UbAkodqWAhZ.exe
memory/1284-39-0x000002269BAD0000-0x000002269BAF2000-memory.dmp
memory/1284-12-0x000002269AF10000-0x000002269AF20000-memory.dmp
memory/1284-10-0x000002269AF10000-0x000002269AF20000-memory.dmp
memory/1624-14-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-28-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-29-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-27-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-26-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-25-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-24-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-23-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-22-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-21-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-20-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-19-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-18-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-16-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-15-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-30-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-13-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/1624-17-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/2320-9-0x000001D3C2E90000-0x000001D3C2EA0000-memory.dmp
memory/2320-0-0x000001D3A6C40000-0x000001D3A6DC0000-memory.dmp
memory/2320-11-0x000001D3C2E90000-0x000001D3C2EA0000-memory.dmp
memory/2320-4-0x000001D3C3C90000-0x000001D3C3DF8000-memory.dmp
memory/2320-3-0x000001D3C2E90000-0x000001D3C2EA0000-memory.dmp
memory/2320-2-0x000001D3A7230000-0x000001D3A723C000-memory.dmp
memory/2320-1-0x000001D3C2E90000-0x000001D3C2EA0000-memory.dmp
memory/4596-64-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-61-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-67-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-66-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-69-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-63-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-62-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-65-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-60-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-59-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-57-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-71-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-68-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-58-0x0000000140000000-0x00000001400D7000-memory.dmp
memory/4596-70-0x0000000140000000-0x00000001400D7000-memory.dmp