Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
07/02/2024, 06:51
General
- Target PAYMENT INVOICE.exe
- Size 1.1MB
- Sample240207-hmhfesedd4
- SHA256 c0b13c8cf91f75fb3ae9448b92656ccf90dbf374855d10add7d8a972bdc5d5b4
Malware Config
Extracted
-
remcos
-
STHost
-
89.249.73.162:2479
-
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-TH3UQH
-
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.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PAYMENT INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT INVOICE.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\FcrUBkvxpsOqQP.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FcrUBkvxpsOqQP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp79A4.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\PAYMENT INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT INVOICE.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
__PSScriptPolicyTest_upbal4av.4m0.ps1
tmp79A4.tmp
memory/628-85-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-80-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-99-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-98-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-93-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-92-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-86-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-104-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-111-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-79-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-77-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/628-112-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2440-44-0x00000000067E0000-0x00000000067FE000-memory.dmp
memory/2440-66-0x0000000007D10000-0x0000000007D21000-memory.dmp
memory/2440-23-0x0000000005820000-0x0000000005842000-memory.dmp
memory/2440-43-0x0000000006200000-0x0000000006554000-memory.dmp
memory/2440-25-0x0000000006120000-0x0000000006186000-memory.dmp
memory/2440-15-0x0000000002EE0000-0x0000000002F16000-memory.dmp
memory/2440-45-0x0000000006890000-0x00000000068DC000-memory.dmp
memory/2440-16-0x0000000074980000-0x0000000075130000-memory.dmp
memory/2440-46-0x0000000006DB0000-0x0000000006DE2000-memory.dmp
memory/2440-59-0x00000000079B0000-0x00000000079CE000-memory.dmp
memory/2440-61-0x00000000079D0000-0x0000000007A73000-memory.dmp
memory/2440-60-0x0000000002ED0000-0x0000000002EE0000-memory.dmp
memory/2440-58-0x0000000002ED0000-0x0000000002EE0000-memory.dmp
memory/2440-48-0x0000000071170000-0x00000000711BC000-memory.dmp
memory/2440-63-0x0000000007B10000-0x0000000007B2A000-memory.dmp
memory/2440-62-0x0000000008150000-0x00000000087CA000-memory.dmp
memory/2440-64-0x0000000007B80000-0x0000000007B8A000-memory.dmp
memory/2440-47-0x000000007F5C0000-0x000000007F5D0000-memory.dmp
memory/2440-65-0x0000000007D90000-0x0000000007E26000-memory.dmp
memory/2440-30-0x0000000006190000-0x00000000061F6000-memory.dmp
memory/2440-67-0x0000000007D40000-0x0000000007D4E000-memory.dmp
memory/2440-68-0x0000000007D50000-0x0000000007D64000-memory.dmp
memory/2440-70-0x0000000007E30000-0x0000000007E38000-memory.dmp
memory/2440-69-0x0000000007E50000-0x0000000007E6A000-memory.dmp
memory/2440-73-0x0000000074980000-0x0000000075130000-memory.dmp
memory/2440-18-0x0000000002ED0000-0x0000000002EE0000-memory.dmp
memory/2440-19-0x0000000005900000-0x0000000005F28000-memory.dmp
memory/4932-0-0x0000000074980000-0x0000000075130000-memory.dmp
memory/4932-27-0x0000000074980000-0x0000000075130000-memory.dmp
memory/4932-10-0x0000000008210000-0x00000000082D0000-memory.dmp
memory/4932-9-0x0000000005640000-0x000000000564E000-memory.dmp
memory/4932-8-0x0000000005630000-0x000000000563A000-memory.dmp
memory/4932-7-0x00000000053B0000-0x00000000053C4000-memory.dmp
memory/4932-6-0x00000000053F0000-0x000000000548C000-memory.dmp
memory/4932-5-0x00000000051C0000-0x00000000051CA000-memory.dmp
memory/4932-4-0x00000000050B0000-0x00000000050C0000-memory.dmp
memory/4932-3-0x0000000005100000-0x0000000005192000-memory.dmp
memory/4932-2-0x0000000005790000-0x0000000005D34000-memory.dmp
memory/4932-1-0x0000000000600000-0x0000000000726000-memory.dmp