Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20251016-en - resource tags
- submitted
06/11/2025, 11:01
General
- Target b3c88415963de8d3885dfb1f8f6ac107ff8ee35881bcd0ec48c196fac52a2bad.exe
- Size 751KB
- Sample251106-m41esawkbp
- SHA256 b3c88415963de8d3885dfb1f8f6ac107ff8ee35881bcd0ec48c196fac52a2bad
Malware Config
Extracted
-
darkcloud
- email_from
- email_to
-
host_password
Baskent2025
-
host_server
mail.baskenthortum.com
Signatures
- DarkCloud
An information stealer written in Visual Basic.
- Darkcloud family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- 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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b3c88415963de8d3885dfb1f8f6ac107ff8ee35881bcd0ec48c196fac52a2bad.exe"C:\Users\Admin\AppData\Local\Temp\b3c88415963de8d3885dfb1f8f6ac107ff8ee35881bcd0ec48c196fac52a2bad.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b3c88415963de8d3885dfb1f8f6ac107ff8ee35881bcd0ec48c196fac52a2bad.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\b3c88415963de8d3885dfb1f8f6ac107ff8ee35881bcd0ec48c196fac52a2bad.exe"C:\Users\Admin\AppData\Local\Temp\b3c88415963de8d3885dfb1f8f6ac107ff8ee35881bcd0ec48c196fac52a2bad.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
1Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_yty2hzaq.p1b.ps1
memory/1012-1-0x0000000005AD0000-0x0000000006074000-memory.dmp
memory/1012-2-0x00000000055C0000-0x0000000005652000-memory.dmp
memory/1012-3-0x0000000005570000-0x0000000005580000-memory.dmp
memory/1012-4-0x00000000055B0000-0x00000000055BA000-memory.dmp
memory/1012-5-0x0000000005860000-0x00000000058FC000-memory.dmp
memory/1012-6-0x0000000005840000-0x0000000005856000-memory.dmp
memory/1012-7-0x0000000005570000-0x0000000005580000-memory.dmp
memory/1012-8-0x00000000069B0000-0x0000000006A3E000-memory.dmp
memory/1012-0-0x0000000000AE0000-0x0000000000BA2000-memory.dmp
memory/1160-52-0x00000000072E0000-0x0000000007383000-memory.dmp
memory/1160-54-0x0000000007600000-0x000000000761A000-memory.dmp
memory/1160-16-0x0000000002B90000-0x0000000002BA0000-memory.dmp
memory/1160-17-0x0000000002B90000-0x0000000002BA0000-memory.dmp
memory/1160-26-0x0000000005520000-0x0000000005B48000-memory.dmp
memory/1160-27-0x0000000005290000-0x00000000052B2000-memory.dmp
memory/1160-28-0x0000000005340000-0x00000000053A6000-memory.dmp
memory/1160-61-0x0000000007920000-0x0000000007928000-memory.dmp
memory/1160-31-0x00000000054B0000-0x0000000005516000-memory.dmp
memory/1160-37-0x0000000005C10000-0x0000000005F64000-memory.dmp
memory/1160-38-0x00000000062D0000-0x00000000062EE000-memory.dmp
memory/1160-39-0x0000000006380000-0x00000000063CC000-memory.dmp
memory/1160-40-0x000000007F9D0000-0x000000007F9E0000-memory.dmp
memory/1160-42-0x0000000070E10000-0x0000000070E5C000-memory.dmp
memory/1160-41-0x00000000072A0000-0x00000000072D2000-memory.dmp
memory/1160-50-0x0000000002B90000-0x0000000002BA0000-memory.dmp
memory/1160-51-0x00000000068C0000-0x00000000068DE000-memory.dmp
memory/1160-60-0x0000000007940000-0x000000000795A000-memory.dmp
memory/1160-53-0x0000000007C40000-0x00000000082BA000-memory.dmp
memory/1160-15-0x0000000001080000-0x00000000010B6000-memory.dmp
memory/1160-55-0x0000000007670000-0x000000000767A000-memory.dmp
memory/1160-56-0x0000000007880000-0x0000000007916000-memory.dmp
memory/1160-57-0x0000000007800000-0x0000000007811000-memory.dmp
memory/1160-58-0x0000000007830000-0x000000000783E000-memory.dmp
memory/1160-59-0x0000000007840000-0x0000000007854000-memory.dmp
memory/3308-9-0x0000000000400000-0x0000000000443000-memory.dmp
memory/3308-11-0x0000000000400000-0x0000000000443000-memory.dmp
memory/3308-64-0x0000000000400000-0x0000000000443000-memory.dmp