Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
24/07/2024, 01:22
General
- Target 2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe
- Size 904KB
- Sample240724-bq8nfstanf
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe"C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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
- 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\TlykqEvmBV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB3F.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe"C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe"2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_nptguv1m.21k.ps1
tmpCB3F.tmp
memory/212-74-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-44-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-78-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-76-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-77-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-26-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-45-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-79-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-43-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-80-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-81-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-19-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-20-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-21-0x0000000000400000-0x000000000047F000-memory.dmp
memory/212-23-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1012-40-0x0000000005860000-0x0000000005BB4000-memory.dmp
memory/1012-61-0x0000000007780000-0x0000000007DFA000-memory.dmp
memory/1012-25-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/1012-29-0x00000000056D0000-0x0000000005736000-memory.dmp
memory/1012-30-0x00000000057F0000-0x0000000005856000-memory.dmp
memory/1012-28-0x0000000004E50000-0x0000000004E72000-memory.dmp
memory/1012-18-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/1012-72-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/1012-41-0x0000000005E10000-0x0000000005E2E000-memory.dmp
memory/1012-42-0x0000000005EB0000-0x0000000005EFC000-memory.dmp
memory/1012-17-0x0000000004F30000-0x0000000005558000-memory.dmp
memory/1012-15-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/1012-14-0x0000000004840000-0x0000000004876000-memory.dmp
memory/1012-48-0x00000000063D0000-0x0000000006402000-memory.dmp
memory/1012-49-0x0000000070FE0000-0x000000007102C000-memory.dmp
memory/1012-59-0x0000000006410000-0x000000000642E000-memory.dmp
memory/1012-60-0x0000000006440000-0x00000000064E3000-memory.dmp
memory/1012-69-0x0000000007460000-0x0000000007468000-memory.dmp
memory/1012-62-0x0000000007140000-0x000000000715A000-memory.dmp
memory/1012-63-0x00000000071B0000-0x00000000071BA000-memory.dmp
memory/1012-64-0x00000000073C0000-0x0000000007456000-memory.dmp
memory/1012-65-0x0000000007340000-0x0000000007351000-memory.dmp
memory/1012-66-0x0000000007370000-0x000000000737E000-memory.dmp
memory/1012-67-0x0000000007380000-0x0000000007394000-memory.dmp
memory/1012-68-0x0000000007480000-0x000000000749A000-memory.dmp
memory/3756-27-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/3756-0-0x00000000746FE000-0x00000000746FF000-memory.dmp
memory/3756-9-0x0000000006980000-0x0000000006A1C000-memory.dmp
memory/3756-8-0x0000000006A40000-0x0000000006AFE000-memory.dmp
memory/3756-7-0x0000000005C50000-0x0000000005C5E000-memory.dmp
memory/3756-6-0x0000000005C00000-0x0000000005C1A000-memory.dmp
memory/3756-5-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/3756-4-0x00000000056E0000-0x00000000056EA000-memory.dmp
memory/3756-3-0x0000000005720000-0x00000000057B2000-memory.dmp
memory/3756-2-0x0000000005CD0000-0x0000000006274000-memory.dmp
memory/3756-1-0x0000000000D30000-0x0000000000E18000-memory.dmp