Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
17/07/2024, 01:27
General
- Target rfq1960.exe
- Size 904KB
- Sample240717-bt6y2aserh
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 18 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 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\tmpD6A9.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
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
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_14qmr0h2.mhu.ps1
tmpD6A9.tmp
memory/4216-76-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-44-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-21-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-74-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-45-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-77-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-43-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-26-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-80-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-81-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-25-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-23-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4216-20-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4416-27-0x0000000005A00000-0x0000000005A22000-memory.dmp
memory/4416-59-0x0000000006750000-0x000000000676E000-memory.dmp
memory/4416-18-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/4416-29-0x0000000005B10000-0x0000000005B76000-memory.dmp
memory/4416-72-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/4416-28-0x0000000005AA0000-0x0000000005B06000-memory.dmp
memory/4416-36-0x0000000005B80000-0x0000000005ED4000-memory.dmp
memory/4416-17-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/4416-69-0x00000000077E0000-0x00000000077E8000-memory.dmp
memory/4416-16-0x0000000005360000-0x0000000005988000-memory.dmp
memory/4416-41-0x0000000006170000-0x000000000618E000-memory.dmp
memory/4416-42-0x00000000061A0000-0x00000000061EC000-memory.dmp
memory/4416-14-0x00000000028C0000-0x00000000028F6000-memory.dmp
memory/4416-68-0x0000000007800000-0x000000000781A000-memory.dmp
memory/4416-67-0x0000000007700000-0x0000000007714000-memory.dmp
memory/4416-46-0x0000000007150000-0x0000000007182000-memory.dmp
memory/4416-48-0x0000000070D20000-0x0000000070D6C000-memory.dmp
memory/4416-19-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/4416-60-0x0000000007390000-0x0000000007433000-memory.dmp
memory/4416-61-0x0000000007B00000-0x000000000817A000-memory.dmp
memory/4416-62-0x00000000074C0000-0x00000000074DA000-memory.dmp
memory/4416-63-0x0000000007530000-0x000000000753A000-memory.dmp
memory/4416-64-0x0000000007740000-0x00000000077D6000-memory.dmp
memory/4416-65-0x00000000076C0000-0x00000000076D1000-memory.dmp
memory/4416-66-0x00000000076F0000-0x00000000076FE000-memory.dmp
memory/4728-8-0x00000000062E0000-0x000000000639E000-memory.dmp
memory/4728-9-0x0000000008BC0000-0x0000000008C5C000-memory.dmp
memory/4728-0-0x000000007453E000-0x000000007453F000-memory.dmp
memory/4728-30-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/4728-7-0x0000000006280000-0x000000000628E000-memory.dmp
memory/4728-6-0x0000000006760000-0x000000000677A000-memory.dmp
memory/4728-5-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/4728-4-0x0000000005100000-0x000000000510A000-memory.dmp
memory/4728-3-0x0000000005120000-0x00000000051B2000-memory.dmp
memory/4728-2-0x00000000056D0000-0x0000000005C74000-memory.dmp
memory/4728-1-0x0000000000620000-0x0000000000708000-memory.dmp