Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
15/04/2026, 09:41
General
- Target T. HALK BANKASI A.S,pdf.exe
- Size 1.2MB
- Sample260415-ln8wjsdz91
- SHA256 6d1ff505708459746fa2af72046218ad6da0e5d609d238d301c4d8537723c579
Malware Config
Extracted
-
darkcloud
- email_from
- email_to
-
host_password
81Ers2378498!!
-
host_server
ersanet.com.tr
Signatures
- Family: DarkCloud
An information stealer written in Visual Basic.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 1 IoCs
- Executes dropped EXE 2 IoCs
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 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.
- Kills process with taskkill 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\T. HALK BANKASI A.S,pdf.exe"C:\Users\Admin\AppData\Local\Temp\T. HALK BANKASI A.S,pdf.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\T. HALK BANKASI A.S,pdf.exe"C:\Users\Admin\AppData\Local\Temp\T. HALK BANKASI A.S,pdf.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\T. HALK BANKASI A.S,pdf.exe"C:\Users\Admin\AppData\Local\Temp\T. HALK BANKASI A.S,pdf.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im chrome.exe3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\IMSCCGZI-Admin\chrome.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\IMSCCGZI-Admin\chrome.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Google\Chrome\Application\Google-Chrome.exe"C:\Program Files\Google\Chrome\Application\Google-Chrome.exe"4⤵
- Executes dropped EXE
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-
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe1⤵
- Suspicious behavior: EnumeratesProcesses
- 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
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
1Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
Google-Chrome.exe
__PSScriptPolicyTest_zy4geh5c.yjx.ps1
chrome.exe
chrome_decrypt.zip
memory/3548-23-0x0000027F21B00000-0x0000027F21B10000-memory.dmp
memory/3548-38-0x0000027F21B00000-0x0000027F21B10000-memory.dmp
memory/3548-37-0x0000027F094F0000-0x0000027F094FC000-memory.dmp
memory/3548-36-0x0000027F21B00000-0x0000027F21B10000-memory.dmp
memory/3548-34-0x0000027F221E0000-0x0000027F22256000-memory.dmp
memory/3548-33-0x0000027F21DC0000-0x0000027F21E04000-memory.dmp
memory/3548-30-0x0000027F21C40000-0x0000027F21C62000-memory.dmp
memory/3548-24-0x0000027F21B00000-0x0000027F21B10000-memory.dmp
memory/3740-6-0x00000000083C0000-0x00000000083D2000-memory.dmp
memory/3740-4-0x00000000050F0000-0x00000000050FA000-memory.dmp
memory/3740-1-0x0000000005500000-0x0000000005AA4000-memory.dmp
memory/3740-2-0x0000000005030000-0x00000000050C2000-memory.dmp
memory/3740-10-0x0000000008410000-0x000000000852C000-memory.dmp
memory/3740-8-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/3740-7-0x0000000000FC0000-0x00000000010E0000-memory.dmp
memory/3740-3-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/3740-0-0x0000000000570000-0x00000000006B2000-memory.dmp
memory/3740-5-0x0000000005330000-0x00000000053CC000-memory.dmp
memory/3740-21-0x0000000000FC0000-0x00000000010E0000-memory.dmp
memory/4604-35-0x0000000000400000-0x0000000000472000-memory.dmp
memory/4604-16-0x0000000000400000-0x0000000000472000-memory.dmp
memory/4604-18-0x0000000000400000-0x0000000000472000-memory.dmp
memory/4604-100-0x0000000004290000-0x00000000042CB000-memory.dmp