Analysis
- max time kernel
147s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
16/05/2024, 08:50
General
- Target PO 738900.exe
- Size 1.1MB
- Sample240516-krk38adb97
- SHA256 e0d74fa44286f3a4c4c4c2fc151a339f487c2af644fb9691016dcf057b3bd343
Malware Config
Extracted
-
remcos
-
76364
-
103.150.8.12:5689
-
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-FF0K7G
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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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).
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO 738900.exe"C:\Users\Admin\AppData\Local\Temp\PO 738900.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\tkoOXvlkbwis.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\tkoOXvlkbwis" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7203.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\PO 738900.exe"C:\Users\Admin\AppData\Local\Temp\PO 738900.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\PO 738900.exe"C:\Users\Admin\AppData\Local\Temp\PO 738900.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\PO 738900.exe"C:\Users\Admin\AppData\Local\Temp\PO 738900.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_ozba5xd5.4ed.ps1
tmp7203.tmp
memory/1160-42-0x0000000006660000-0x000000000667E000-memory.dmp
memory/1160-67-0x0000000007BB0000-0x0000000007BBE000-memory.dmp
memory/1160-43-0x0000000006680000-0x00000000066CC000-memory.dmp
memory/1160-73-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1160-70-0x0000000007CA0000-0x0000000007CA8000-memory.dmp
memory/1160-69-0x0000000007CC0000-0x0000000007CDA000-memory.dmp
memory/1160-68-0x0000000007BC0000-0x0000000007BD4000-memory.dmp
memory/1160-44-0x0000000006C30000-0x0000000006C62000-memory.dmp
memory/1160-66-0x0000000007B80000-0x0000000007B91000-memory.dmp
memory/1160-15-0x0000000005020000-0x0000000005056000-memory.dmp
memory/1160-63-0x0000000007C00000-0x0000000007C96000-memory.dmp
memory/1160-17-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1160-18-0x00000000056C0000-0x0000000005CE8000-memory.dmp
memory/1160-19-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1160-20-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1160-62-0x00000000079F0000-0x00000000079FA000-memory.dmp
memory/1160-60-0x0000000007980000-0x000000000799A000-memory.dmp
memory/1160-26-0x0000000005ED0000-0x0000000005F36000-memory.dmp
memory/1160-59-0x0000000007FD0000-0x000000000864A000-memory.dmp
memory/1160-56-0x0000000007830000-0x00000000078D3000-memory.dmp
memory/1160-55-0x0000000006C00000-0x0000000006C1E000-memory.dmp
memory/1160-37-0x0000000006020000-0x0000000006374000-memory.dmp
memory/1160-45-0x0000000071690000-0x00000000716DC000-memory.dmp
memory/1160-24-0x0000000005DF0000-0x0000000005E12000-memory.dmp
memory/1160-29-0x0000000005FB0000-0x0000000006016000-memory.dmp
memory/2216-4-0x0000000005120000-0x000000000512A000-memory.dmp
memory/2216-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp
memory/2216-10-0x0000000009050000-0x00000000090EC000-memory.dmp
memory/2216-9-0x00000000069B0000-0x0000000006A6E000-memory.dmp
memory/2216-1-0x0000000000600000-0x0000000000718000-memory.dmp
memory/2216-2-0x00000000051A0000-0x0000000005232000-memory.dmp
memory/2216-8-0x00000000057E0000-0x00000000057F0000-memory.dmp
memory/2216-6-0x0000000006410000-0x00000000064F0000-memory.dmp
memory/2216-7-0x00000000057B0000-0x00000000057CE000-memory.dmp
memory/2216-31-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/2216-5-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/2216-3-0x00000000057F0000-0x0000000005D94000-memory.dmp
memory/3528-25-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-74-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-30-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-23-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-65-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-58-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-21-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-22-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-57-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-61-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-76-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-77-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-78-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-80-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-79-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-81-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3528-82-0x0000000000400000-0x000000000047F000-memory.dmp