Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
17/05/2024, 10:46
General
- Target 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe
- Size 985KB
- Sample240517-mtxwxaee85
- SHA256 40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740
Malware Config
Extracted
-
remcos
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RemoteHost
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alibabaforwader10.ddns.net:60247
-
audio_folder
MicRecords
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audio_record_time
5
-
connect_delay
0
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connect_interval
1
-
copy_file
remcos.exe
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copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-AC7NKA
-
screenshot_crypt
false
-
screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 13 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe"C:\Users\Admin\AppData\Local\Temp\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.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\Local\Temp\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YbOWhnO.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YbOWhnO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp93E3.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe"C:\Users\Admin\AppData\Local\Temp\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe"C:\Users\Admin\AppData\Local\Temp\40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_xhb45xxz.t0c.ps1
tmp93E3.tmp
memory/3200-96-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/3200-88-0x0000000007FD0000-0x0000000007FEA000-memory.dmp
memory/3200-84-0x0000000007F10000-0x0000000007FA6000-memory.dmp
memory/3200-83-0x0000000007D00000-0x0000000007D0A000-memory.dmp
memory/3200-70-0x000000006F310000-0x000000006F35C000-memory.dmp
memory/3200-20-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/3200-25-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/3200-24-0x0000000005AB0000-0x0000000005AD2000-memory.dmp
memory/3200-21-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/3200-19-0x0000000005B10000-0x0000000006138000-memory.dmp
memory/3580-86-0x0000000007D20000-0x0000000007D2E000-memory.dmp
memory/3580-69-0x0000000006D70000-0x0000000006D8E000-memory.dmp
memory/3580-95-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/3580-22-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/3580-89-0x0000000007E10000-0x0000000007E18000-memory.dmp
memory/3580-16-0x0000000005230000-0x0000000005266000-memory.dmp
memory/3580-87-0x0000000007D30000-0x0000000007D44000-memory.dmp
memory/3580-27-0x00000000060B0000-0x0000000006116000-memory.dmp
memory/3580-26-0x0000000005FD0000-0x0000000006036000-memory.dmp
memory/3580-85-0x0000000007CF0000-0x0000000007D01000-memory.dmp
memory/3580-81-0x0000000008140000-0x00000000087BA000-memory.dmp
memory/3580-82-0x0000000007AF0000-0x0000000007B0A000-memory.dmp
memory/3580-17-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/3580-80-0x00000000079C0000-0x0000000007A63000-memory.dmp
memory/3580-28-0x00000000061A0000-0x00000000064F4000-memory.dmp
memory/3580-58-0x0000000006D90000-0x0000000006DC2000-memory.dmp
memory/3580-59-0x000000006F310000-0x000000006F35C000-memory.dmp
memory/3580-56-0x00000000067D0000-0x00000000067EE000-memory.dmp
memory/3580-57-0x0000000006C80000-0x0000000006CCC000-memory.dmp
memory/4460-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-126-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-128-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-121-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-120-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-115-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-114-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-108-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-107-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4460-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4788-6-0x0000000005C90000-0x0000000005CB0000-memory.dmp
memory/4788-18-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/4788-2-0x0000000005CC0000-0x0000000006264000-memory.dmp
memory/4788-3-0x0000000005650000-0x00000000056E2000-memory.dmp
memory/4788-4-0x0000000005810000-0x000000000581A000-memory.dmp
memory/4788-1-0x0000000000B80000-0x0000000000C7C000-memory.dmp
memory/4788-15-0x0000000074A8E000-0x0000000074A8F000-memory.dmp
memory/4788-5-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/4788-10-0x000000000AB10000-0x000000000ABAC000-memory.dmp
memory/4788-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp
memory/4788-9-0x00000000083F0000-0x00000000084B0000-memory.dmp
memory/4788-8-0x00000000069A0000-0x00000000069B6000-memory.dmp
memory/4788-7-0x0000000006990000-0x00000000069A0000-memory.dmp
memory/4788-55-0x0000000074A80000-0x0000000075230000-memory.dmp