Analysis
- max time kernel
148s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
18/10/2022, 11:17
General
- Target swift Zirat Bankasi Swift Mesaji,pdf.exe
- Size 1.4MB
- Sample221018-ndpq2afee8
- SHA256 5c92a316e670ccde068afac02f9900cd61b218f9d8d5afff2d56ee8ebd407bc7
Malware Config
Extracted
-
remcos
-
RemoteHost Golden
-
185.136.163.102:1960
-
audio_folder
MicRecords
-
audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
-
hide_keylog_file
false
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install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-A5R5JS
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\swift Zirat Bankasi Swift Mesaji,pdf.exe"C:\Users\Admin\AppData\Local\Temp\swift Zirat Bankasi Swift Mesaji,pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\Roaming\JXUfajyyph.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JXUfajyyph" /XML "C:\Users\Admin\AppData\Local\Temp\tmp350A.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\swift Zirat Bankasi Swift Mesaji,pdf.exe"C:\Users\Admin\AppData\Local\Temp\swift Zirat Bankasi Swift Mesaji,pdf.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp350A.tmp
memory/2396-146-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2396-161-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2396-149-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2396-145-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2396-144-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3396-153-0x0000000006EB0000-0x0000000006ECE000-memory.dmp
memory/3396-156-0x0000000007C90000-0x0000000007C9A000-memory.dmp
memory/3396-142-0x00000000059D0000-0x0000000005FF8000-memory.dmp
memory/3396-140-0x0000000005350000-0x0000000005386000-memory.dmp
memory/3396-160-0x0000000007F40000-0x0000000007F48000-memory.dmp
memory/3396-148-0x0000000006240000-0x00000000062A6000-memory.dmp
memory/3396-159-0x0000000007F60000-0x0000000007F7A000-memory.dmp
memory/3396-157-0x0000000007EA0000-0x0000000007F36000-memory.dmp
memory/3396-158-0x0000000007E50000-0x0000000007E5E000-memory.dmp
memory/3396-150-0x0000000006920000-0x000000000693E000-memory.dmp
memory/3396-151-0x0000000007AD0000-0x0000000007B02000-memory.dmp
memory/3396-152-0x0000000070730000-0x000000007077C000-memory.dmp
memory/3396-147-0x00000000060A0000-0x00000000060C2000-memory.dmp
memory/3396-154-0x0000000008260000-0x00000000088DA000-memory.dmp
memory/3396-155-0x0000000007C20000-0x0000000007C3A000-memory.dmp
memory/4804-133-0x0000000005970000-0x0000000005F14000-memory.dmp
memory/4804-132-0x0000000000800000-0x0000000000960000-memory.dmp
memory/4804-137-0x000000000C620000-0x000000000C686000-memory.dmp
memory/4804-135-0x00000000053A0000-0x00000000053AA000-memory.dmp
memory/4804-134-0x00000000052E0000-0x0000000005372000-memory.dmp
memory/4804-136-0x000000000C360000-0x000000000C3FC000-memory.dmp