Analysis
- max time kernel
148s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
23/07/2024, 11:29
General
- Target rfq1960.exe
- Size 904KB
- Sample240723-nlldkstbqe
- SHA256 2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d
Malware Config
Extracted
-
remcos
-
5764576
-
172.93.218.178:45667
-
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
765-XJJE0J
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
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.
- 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).
- Scheduled Task/Job: Scheduled Task 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 WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TlykqEvmBV.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\TlykqEvmBV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD86.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_1dzjgei3.be1.ps1
tmpAD86.tmp
memory/556-41-0x0000000006430000-0x000000000644E000-memory.dmp
memory/556-39-0x0000000005E70000-0x00000000061C4000-memory.dmp
memory/556-72-0x0000000075090000-0x0000000075840000-memory.dmp
memory/556-69-0x0000000007A90000-0x0000000007A98000-memory.dmp
memory/556-68-0x0000000007AB0000-0x0000000007ACA000-memory.dmp
memory/556-67-0x00000000079B0000-0x00000000079C4000-memory.dmp
memory/556-66-0x00000000079A0000-0x00000000079AE000-memory.dmp
memory/556-65-0x0000000007970000-0x0000000007981000-memory.dmp
memory/556-14-0x0000000002B40000-0x0000000002B76000-memory.dmp
memory/556-16-0x00000000055F0000-0x0000000005C18000-memory.dmp
memory/556-15-0x0000000075090000-0x0000000075840000-memory.dmp
memory/556-64-0x00000000079F0000-0x0000000007A86000-memory.dmp
memory/556-19-0x0000000005570000-0x0000000005592000-memory.dmp
memory/556-20-0x0000000005D90000-0x0000000005DF6000-memory.dmp
memory/556-42-0x00000000064C0000-0x000000000650C000-memory.dmp
memory/556-63-0x00000000077F0000-0x00000000077FA000-memory.dmp
memory/556-25-0x0000000075090000-0x0000000075840000-memory.dmp
memory/556-59-0x0000000007DC0000-0x000000000843A000-memory.dmp
memory/556-60-0x0000000007770000-0x000000000778A000-memory.dmp
memory/556-58-0x0000000007660000-0x0000000007703000-memory.dmp
memory/556-47-0x0000000075920000-0x000000007596C000-memory.dmp
memory/556-57-0x0000000006A00000-0x0000000006A1E000-memory.dmp
memory/556-21-0x0000000005E00000-0x0000000005E66000-memory.dmp
memory/556-46-0x0000000007420000-0x0000000007452000-memory.dmp
memory/556-18-0x0000000075090000-0x0000000075840000-memory.dmp
memory/3436-22-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-76-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-81-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-45-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-80-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-44-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-23-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-27-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-79-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-29-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-24-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-78-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-77-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-43-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-74-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3800-5-0x0000000075090000-0x0000000075840000-memory.dmp
memory/3800-4-0x00000000056A0000-0x00000000056AA000-memory.dmp
memory/3800-3-0x0000000005700000-0x0000000005792000-memory.dmp
memory/3800-6-0x0000000006960000-0x000000000697A000-memory.dmp
memory/3800-7-0x00000000069A0000-0x00000000069AE000-memory.dmp
memory/3800-8-0x0000000006A00000-0x0000000006ABE000-memory.dmp
memory/3800-9-0x00000000090F0000-0x000000000918C000-memory.dmp
memory/3800-2-0x0000000005CB0000-0x0000000006254000-memory.dmp
memory/3800-1-0x0000000000BB0000-0x0000000000C98000-memory.dmp
memory/3800-40-0x0000000075090000-0x0000000075840000-memory.dmp
memory/3800-0-0x000000007509E000-0x000000007509F000-memory.dmp