Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
04/05/2024, 01:24
General
- Target 6703df15130444806d68473d071445cfe26efb0570f06df656711a74d18264f6.exe
- Size 977KB
- Sample240504-bsgmracf28
- SHA256 6703df15130444806d68473d071445cfe26efb0570f06df656711a74d18264f6
Malware Config
Extracted
-
remcos
-
RemoteHost
-
sembe.duckdns.org:14645
-
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
nots.dat
-
keylog_flag
false
-
keylog_folder
note
-
keylog_path
%Temp%
-
mouse_option
false
-
mutex
Rmc-999Z97
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
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.
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 21 IoCs
- Detects executables packed with SmartAssembly 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6703df15130444806d68473d071445cfe26efb0570f06df656711a74d18264f6.exe"C:\Users\Admin\AppData\Local\Temp\6703df15130444806d68473d071445cfe26efb0570f06df656711a74d18264f6.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\KGuxmqSTXgJca.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\KGuxmqSTXgJca" /XML "C:\Users\Admin\AppData\Local\Temp\tmp631F.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\6703df15130444806d68473d071445cfe26efb0570f06df656711a74d18264f6.exe"C:\Users\Admin\AppData\Local\Temp\6703df15130444806d68473d071445cfe26efb0570f06df656711a74d18264f6.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_pmru4z0b.qig.ps1
nots.dat
tmp631F.tmp
memory/3196-5-0x0000000074F50000-0x0000000075700000-memory.dmp
memory/3196-4-0x0000000004C90000-0x0000000004C9A000-memory.dmp
memory/3196-6-0x0000000004F60000-0x0000000004FFC000-memory.dmp
memory/3196-31-0x0000000074F50000-0x0000000075700000-memory.dmp
memory/3196-7-0x0000000004F20000-0x0000000004F36000-memory.dmp
memory/3196-8-0x0000000005100000-0x0000000005116000-memory.dmp
memory/3196-9-0x00000000061B0000-0x0000000006270000-memory.dmp
memory/3196-3-0x0000000004CC0000-0x0000000004D52000-memory.dmp
memory/3196-0-0x0000000074F5E000-0x0000000074F5F000-memory.dmp
memory/3196-2-0x0000000005270000-0x0000000005814000-memory.dmp
memory/3196-1-0x00000000001A0000-0x0000000000294000-memory.dmp
memory/3620-68-0x00000000070F0000-0x00000000070FE000-memory.dmp
memory/3620-15-0x0000000074F50000-0x0000000075700000-memory.dmp
memory/3620-27-0x0000000005470000-0x00000000054D6000-memory.dmp
memory/3620-14-0x0000000002270000-0x00000000022A6000-memory.dmp
memory/3620-74-0x0000000074F50000-0x0000000075700000-memory.dmp
memory/3620-29-0x0000000074F50000-0x0000000075700000-memory.dmp
memory/3620-33-0x00000000055A0000-0x00000000058F4000-memory.dmp
memory/3620-71-0x00000000071E0000-0x00000000071E8000-memory.dmp
memory/3620-26-0x0000000004D80000-0x0000000004DE6000-memory.dmp
memory/3620-70-0x0000000007200000-0x000000000721A000-memory.dmp
memory/3620-69-0x0000000007100000-0x0000000007114000-memory.dmp
memory/3620-64-0x0000000006EC0000-0x0000000006EDA000-memory.dmp
memory/3620-25-0x0000000004BE0000-0x0000000004C02000-memory.dmp
memory/3620-17-0x0000000004E40000-0x0000000005468000-memory.dmp
memory/3620-67-0x00000000070C0000-0x00000000070D1000-memory.dmp
memory/3620-66-0x0000000007140000-0x00000000071D6000-memory.dmp
memory/3620-65-0x0000000006F30000-0x0000000006F3A000-memory.dmp
memory/3620-48-0x0000000005BA0000-0x0000000005BBE000-memory.dmp
memory/3620-49-0x0000000005C30000-0x0000000005C7C000-memory.dmp
memory/3620-51-0x0000000071740000-0x000000007178C000-memory.dmp
memory/3620-50-0x0000000006160000-0x0000000006192000-memory.dmp
memory/3620-61-0x0000000006140000-0x000000000615E000-memory.dmp
memory/3620-62-0x0000000006B90000-0x0000000006C33000-memory.dmp
memory/3620-63-0x0000000007510000-0x0000000007B8A000-memory.dmp
memory/3956-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-76-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-77-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-82-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-85-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-86-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-93-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-94-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-109-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3956-110-0x0000000000400000-0x0000000000482000-memory.dmp