Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
15/04/2024, 13:07
General
- Target e-Payment Challan.Net.CMS4006975825.exe
- Size 617KB
- Sample240415-qcmldsfa88
- SHA256 fadcd7b36622cde793fdb8b3c509c13efb05a57e5227ea5c0dac37ef49a5cb02
Malware Config
Extracted
-
remcos
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1.7 Pro
-
gg
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62.102.148.185:9771
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audio_folder
audio
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audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
remcos.exe
-
copy_folder
remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
newstart
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keylog_path
%AppData%
-
mouse_option
false
-
mutex
remcos_wgwfvnfssp
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screens
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screenshot_path
%AppData%
-
screenshot_time
1
-
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).
- 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 14 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e-Payment Challan.Net.CMS4006975825.exe"C:\Users\Admin\AppData\Local\Temp\e-Payment Challan.Net.CMS4006975825.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\e-Payment Challan.Net.CMS4006975825.exe"2⤵
- 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\oloHsnLTUx.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oloHsnLTUx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD2F0.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\e-Payment Challan.Net.CMS4006975825.exe"C:\Users\Admin\AppData\Local\Temp\e-Payment Challan.Net.CMS4006975825.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_tfcdhtb2.kl2.ps1
tmpD2F0.tmp
memory/464-50-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-54-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-109-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-108-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-107-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-106-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-105-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-104-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-59-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-111-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-112-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-58-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-110-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-52-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-40-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-114-0x0000000000400000-0x0000000000417000-memory.dmp
memory/464-113-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2584-90-0x00000000074D0000-0x0000000007566000-memory.dmp
memory/2584-81-0x00000000064F0000-0x000000000650E000-memory.dmp
memory/2584-24-0x0000000004E50000-0x0000000004E72000-memory.dmp
memory/2584-23-0x0000000004B30000-0x0000000004B40000-memory.dmp
memory/2584-22-0x0000000074770000-0x0000000074F20000-memory.dmp
memory/2584-44-0x0000000005980000-0x0000000005CD4000-memory.dmp
memory/2584-25-0x0000000004EF0000-0x0000000004F56000-memory.dmp
memory/2584-64-0x000000007F5B0000-0x000000007F5C0000-memory.dmp
memory/2584-88-0x0000000007250000-0x000000000726A000-memory.dmp
memory/2584-89-0x00000000072C0000-0x00000000072CA000-memory.dmp
memory/2584-56-0x0000000005F40000-0x0000000005F5E000-memory.dmp
memory/2584-57-0x0000000005F70000-0x0000000005FBC000-memory.dmp
memory/2584-93-0x0000000007490000-0x00000000074A4000-memory.dmp
memory/2584-102-0x0000000074770000-0x0000000074F20000-memory.dmp
memory/2584-61-0x0000000004B30000-0x0000000004B40000-memory.dmp
memory/2584-66-0x0000000070F20000-0x0000000070F6C000-memory.dmp
memory/3732-20-0x0000000004660000-0x0000000004670000-memory.dmp
memory/3732-18-0x0000000074770000-0x0000000074F20000-memory.dmp
memory/3732-62-0x000000007F9D0000-0x000000007F9E0000-memory.dmp
memory/3732-65-0x0000000070F20000-0x0000000070F6C000-memory.dmp
memory/3732-101-0x0000000074770000-0x0000000074F20000-memory.dmp
memory/3732-86-0x0000000006D40000-0x0000000006DE3000-memory.dmp
memory/3732-87-0x0000000007490000-0x0000000007B0A000-memory.dmp
memory/3732-26-0x00000000052D0000-0x0000000005336000-memory.dmp
memory/3732-21-0x0000000004CA0000-0x00000000052C8000-memory.dmp
memory/3732-17-0x0000000004550000-0x0000000004586000-memory.dmp
memory/3732-91-0x0000000007050000-0x0000000007061000-memory.dmp
memory/3732-92-0x0000000007080000-0x000000000708E000-memory.dmp
memory/3732-19-0x0000000004660000-0x0000000004670000-memory.dmp
memory/3732-94-0x0000000007190000-0x00000000071AA000-memory.dmp
memory/3732-95-0x0000000007170000-0x0000000007178000-memory.dmp
memory/3732-63-0x0000000006D00000-0x0000000006D32000-memory.dmp
memory/4216-0-0x00000000004D0000-0x0000000000570000-memory.dmp
memory/4216-55-0x0000000074770000-0x0000000074F20000-memory.dmp
memory/4216-12-0x0000000005090000-0x00000000050A0000-memory.dmp
memory/4216-11-0x0000000074770000-0x0000000074F20000-memory.dmp
memory/4216-10-0x0000000009E70000-0x0000000009F0C000-memory.dmp
memory/4216-9-0x00000000063F0000-0x0000000006450000-memory.dmp
memory/4216-8-0x0000000006370000-0x000000000637C000-memory.dmp
memory/4216-7-0x0000000006360000-0x0000000006368000-memory.dmp
memory/4216-6-0x0000000006330000-0x0000000006342000-memory.dmp
memory/4216-5-0x0000000005030000-0x000000000503A000-memory.dmp
memory/4216-4-0x0000000005090000-0x00000000050A0000-memory.dmp
memory/4216-3-0x0000000004F50000-0x0000000004FE2000-memory.dmp
memory/4216-2-0x0000000005450000-0x00000000059F4000-memory.dmp
memory/4216-1-0x0000000074770000-0x0000000074F20000-memory.dmp