Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
04/03/2024, 15:02
General
- Target d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57.exe
- Size 929KB
- Sample240304-sefa7sdb4y
- SHA256 d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57
Malware Config
Extracted
-
remcos
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STHost
-
89.249.73.162:2479
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
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-TH3UQH
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
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screenshot_time
10
-
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).
- 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 8 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\d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57.exe"C:\Users\Admin\AppData\Local\Temp\d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57.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\ngZOlCw.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\ngZOlCw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2F29.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57.exe"C:\Users\Admin\AppData\Local\Temp\d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57.exe"2⤵
- Suspicious use of SetWindowsHookEx
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
__PSScriptPolicyTest_ftxgwmdy.15z.ps1
tmp2F29.tmp
memory/956-95-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-94-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-88-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-87-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-79-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-75-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-100-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-108-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/956-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1356-44-0x0000000005C40000-0x0000000005F94000-memory.dmp
memory/1356-68-0x00000000074F0000-0x00000000074FA000-memory.dmp
memory/1356-20-0x0000000005410000-0x0000000005A38000-memory.dmp
memory/1356-82-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/1356-29-0x0000000005180000-0x00000000051A2000-memory.dmp
memory/1356-15-0x0000000002850000-0x0000000002886000-memory.dmp
memory/1356-33-0x0000000005320000-0x0000000005386000-memory.dmp
memory/1356-17-0x0000000004DD0000-0x0000000004DE0000-memory.dmp
memory/1356-34-0x0000000005390000-0x00000000053F6000-memory.dmp
memory/1356-78-0x0000000004DD0000-0x0000000004DE0000-memory.dmp
memory/1356-45-0x00000000060D0000-0x00000000060EE000-memory.dmp
memory/1356-46-0x00000000061B0000-0x00000000061FC000-memory.dmp
memory/1356-49-0x0000000004DD0000-0x0000000004DE0000-memory.dmp
memory/1356-50-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/1356-51-0x000000007F390000-0x000000007F3A0000-memory.dmp
memory/1356-52-0x0000000006740000-0x0000000006772000-memory.dmp
memory/1356-53-0x0000000071210000-0x000000007125C000-memory.dmp
memory/1356-63-0x0000000006720000-0x000000000673E000-memory.dmp
memory/1356-64-0x0000000007150000-0x00000000071F3000-memory.dmp
memory/1356-66-0x0000000007AD0000-0x000000000814A000-memory.dmp
memory/1356-67-0x0000000007480000-0x000000000749A000-memory.dmp
memory/1356-77-0x00000000077A0000-0x00000000077A8000-memory.dmp
memory/1356-69-0x00000000076F0000-0x0000000007786000-memory.dmp
memory/1356-70-0x0000000007690000-0x00000000076A1000-memory.dmp
memory/1356-71-0x0000000004DD0000-0x0000000004DE0000-memory.dmp
memory/1356-73-0x00000000076B0000-0x00000000076BE000-memory.dmp
memory/1356-74-0x00000000076C0000-0x00000000076D4000-memory.dmp
memory/1356-16-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/1356-76-0x00000000077C0000-0x00000000077DA000-memory.dmp
memory/3948-7-0x0000000005E80000-0x0000000005E92000-memory.dmp
memory/3948-0-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/3948-14-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/3948-18-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
memory/3948-9-0x0000000008A30000-0x0000000008ACC000-memory.dmp
memory/3948-8-0x0000000006430000-0x00000000064F0000-memory.dmp
memory/3948-26-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/3948-6-0x0000000005E60000-0x0000000005E7C000-memory.dmp
memory/3948-5-0x0000000004C90000-0x0000000004C9A000-memory.dmp
memory/3948-4-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
memory/3948-3-0x0000000004D00000-0x0000000004D92000-memory.dmp
memory/3948-2-0x00000000052B0000-0x0000000005854000-memory.dmp
memory/3948-1-0x00000000001A0000-0x000000000028E000-memory.dmp