Analysis
- max time kernel
149s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
24/09/2024, 01:54
General
- Target BL-TLN0124796CMACGM.scr
- Size 915KB
- Sample240924-cbrxtssdkn
- SHA256 d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a
Malware Config
Extracted
-
remcos
-
GeneralWire-Slaves
-
milliondollar23.duckdns.org:3984
-
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-TWU43D
-
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.
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BL-TLN0124796CMACGM.scr"C:\Users\Admin\AppData\Local\Temp\BL-TLN0124796CMACGM.scr" /S1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\Local\Temp\BL-TLN0124796CMACGM.scr"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- 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\LdtceRaylJq.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LdtceRaylJq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEBA8.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\BL-TLN0124796CMACGM.scr"C:\Users\Admin\AppData\Local\Temp\BL-TLN0124796CMACGM.scr"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_k33xnx5i.d2m.ps1
tmpEBA8.tmp
memory/412-17-0x0000000005870000-0x0000000005E98000-memory.dmp
memory/412-71-0x0000000007930000-0x000000000794E000-memory.dmp
memory/412-86-0x0000000007D10000-0x0000000007DA6000-memory.dmp
memory/412-85-0x0000000007B00000-0x0000000007B0A000-memory.dmp
memory/412-84-0x0000000007A90000-0x0000000007AAA000-memory.dmp
memory/412-83-0x00000000080D0000-0x000000000874A000-memory.dmp
memory/412-15-0x0000000002E40000-0x0000000002E76000-memory.dmp
memory/412-56-0x0000000006D30000-0x0000000006D7C000-memory.dmp
memory/412-16-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/412-18-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/412-72-0x0000000007950000-0x00000000079F3000-memory.dmp
memory/412-92-0x0000000007DD0000-0x0000000007DEA000-memory.dmp
memory/412-93-0x0000000007DB0000-0x0000000007DB8000-memory.dmp
memory/412-60-0x0000000006C90000-0x0000000006CC2000-memory.dmp
memory/412-61-0x0000000075800000-0x000000007584C000-memory.dmp
memory/412-22-0x0000000005790000-0x00000000057B2000-memory.dmp
memory/412-99-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/412-23-0x0000000005EA0000-0x0000000005F06000-memory.dmp
memory/412-24-0x0000000005F10000-0x0000000005F76000-memory.dmp
memory/412-28-0x0000000006100000-0x0000000006454000-memory.dmp
memory/412-25-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/412-55-0x0000000006740000-0x000000000675E000-memory.dmp
memory/544-19-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/544-33-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/544-100-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/544-91-0x0000000007AD0000-0x0000000007AE4000-memory.dmp
memory/544-90-0x0000000007AC0000-0x0000000007ACE000-memory.dmp
memory/544-87-0x0000000007A90000-0x0000000007AA1000-memory.dmp
memory/544-73-0x0000000075800000-0x000000007584C000-memory.dmp
memory/544-20-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/644-89-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-119-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-135-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-134-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-127-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-126-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-111-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-110-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-103-0x0000000000400000-0x0000000000482000-memory.dmp
memory/644-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1508-5-0x0000000005930000-0x000000000593A000-memory.dmp
memory/1508-2-0x0000000005DF0000-0x0000000006394000-memory.dmp
memory/1508-3-0x0000000005840000-0x00000000058D2000-memory.dmp
memory/1508-1-0x0000000000D00000-0x0000000000DEA000-memory.dmp
memory/1508-4-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/1508-6-0x0000000005A60000-0x0000000005A72000-memory.dmp
memory/1508-44-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/1508-7-0x0000000074F7E000-0x0000000074F7F000-memory.dmp
memory/1508-8-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/1508-9-0x0000000007550000-0x0000000007610000-memory.dmp
memory/1508-10-0x0000000009C70000-0x0000000009D0C000-memory.dmp
memory/1508-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp