Analysis
- max time kernel
125s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20250217-en - resource tags
- submitted
06/03/2025, 11:31
General
- Target 23._TUMACIKFATURALAR.xlsx.exe
- Size 821KB
- Sample250306-nm8khaxrt6
- SHA256 f18d276ce3ec088f6d446e409489bad5c9b613d6c1f10a6538724749c7cf2af6
Malware Config
Extracted
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darkcloud
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Protocol
ftp
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Host
ftp.condormalta.com
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Port
21
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Username
-
Password
~N#]]bSO$0-R
Signatures
- DarkCloud
An information stealer written in Visual Basic.
- Darkcloud family
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.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
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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\23._TUMACIKFATURALAR.xlsx.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xZLeCXkVsspC.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xZLeCXkVsspC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3DDF.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_4gqxxxho.50d.ps1
tmp3DDF.tmp
memory/376-4-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/376-5-0x0000000005040000-0x000000000504A000-memory.dmp
memory/376-6-0x0000000005390000-0x000000000542C000-memory.dmp
memory/376-7-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/376-8-0x000000007447E000-0x000000007447F000-memory.dmp
memory/376-9-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/376-10-0x0000000006E90000-0x0000000006F3A000-memory.dmp
memory/376-0-0x000000007447E000-0x000000007447F000-memory.dmp
memory/376-3-0x0000000005080000-0x0000000005112000-memory.dmp
memory/376-2-0x0000000005590000-0x0000000005B34000-memory.dmp
memory/376-1-0x0000000000570000-0x0000000000644000-memory.dmp
memory/376-43-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/2692-33-0x0000000000400000-0x0000000000460000-memory.dmp
memory/2692-102-0x0000000000400000-0x0000000000460000-memory.dmp
memory/2692-35-0x0000000000400000-0x0000000000460000-memory.dmp
memory/3620-21-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/3620-90-0x0000000007C20000-0x0000000007C31000-memory.dmp
memory/3620-89-0x0000000007CA0000-0x0000000007D36000-memory.dmp
memory/3620-32-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/3620-61-0x00000000066D0000-0x00000000066EE000-memory.dmp
memory/3620-19-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/3620-97-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/3620-88-0x0000000007A90000-0x0000000007A9A000-memory.dmp
memory/3620-75-0x0000000074D00000-0x0000000074D4C000-memory.dmp
memory/3620-62-0x0000000006770000-0x00000000067BC000-memory.dmp
memory/4860-26-0x00000000055B0000-0x0000000005904000-memory.dmp
memory/4860-64-0x0000000074D00000-0x0000000074D4C000-memory.dmp
memory/4860-63-0x0000000006D50000-0x0000000006D82000-memory.dmp
memory/4860-78-0x0000000006D90000-0x0000000006E33000-memory.dmp
memory/4860-23-0x00000000054D0000-0x0000000005536000-memory.dmp
memory/4860-74-0x0000000006D30000-0x0000000006D4E000-memory.dmp
memory/4860-86-0x0000000007520000-0x0000000007B9A000-memory.dmp
memory/4860-87-0x0000000006EE0000-0x0000000006EFA000-memory.dmp
memory/4860-24-0x0000000005540000-0x00000000055A6000-memory.dmp
memory/4860-25-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/4860-22-0x0000000004D00000-0x0000000004D22000-memory.dmp
memory/4860-91-0x0000000007110000-0x000000000711E000-memory.dmp
memory/4860-92-0x0000000007120000-0x0000000007134000-memory.dmp
memory/4860-93-0x0000000007220000-0x000000000723A000-memory.dmp
memory/4860-94-0x0000000007200000-0x0000000007208000-memory.dmp
memory/4860-18-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/4860-16-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/4860-101-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/4860-17-0x0000000004D30000-0x0000000005358000-memory.dmp
memory/4860-15-0x0000000000E30000-0x0000000000E66000-memory.dmp