Analysis
- max time kernel
148s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
07/10/2022, 13:20
General
- Target sample order.scr.exe
- Size 1.2MB
- Sample221007-qk4jwacfa2
- SHA256 d0b3a869d6b24ab7a223cc2b74d8be81f5071e36397fcf64c110a332fc6e0f0c
Malware Config
Extracted
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remcos
-
IP-REMCOS
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91.192.100.12:2404
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audio_folder
MicRecords
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audio_record_time
5
-
connect_delay
0
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connect_interval
1
-
copy_file
remcos.exe
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copy_folder
Remcos
-
delete_file
false
-
hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
-
keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-JS00ZN
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screenshot_crypt
false
-
screenshot_flag
false
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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.
- NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
- Nirsoft 3 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 8 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 33 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\icsOakcPSkFF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\icsOakcPSkFF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp102C.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\fnlrnfypfwbptpwgglarwjc"3⤵
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\qprkoxjrtetuvdkkxwnkhowkqoj"3⤵
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\sjeupiukomlzgjgwghamkajtrdacdj"3⤵
-
-
C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe"C:\Users\Admin\AppData\Local\Temp\sample order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\sjeupiukomlzgjgwghamkajtrdacdj"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
fnlrnfypfwbptpwgglarwjc
tmp102C.tmp
memory/808-158-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2336-150-0x0000000005FC0000-0x0000000005FDE000-memory.dmp
memory/2336-168-0x00000000075D0000-0x00000000075D8000-memory.dmp
memory/2336-140-0x0000000004950000-0x0000000004986000-memory.dmp
memory/2336-167-0x00000000075F0000-0x000000000760A000-memory.dmp
memory/2336-142-0x00000000050B0000-0x00000000056D8000-memory.dmp
memory/2336-166-0x00000000074E0000-0x00000000074EE000-memory.dmp
memory/2336-146-0x0000000005050000-0x0000000005072000-memory.dmp
memory/2336-165-0x0000000007530000-0x00000000075C6000-memory.dmp
memory/2336-164-0x0000000007330000-0x000000000733A000-memory.dmp
memory/2336-147-0x0000000005750000-0x00000000057B6000-memory.dmp
memory/2336-163-0x00000000072B0000-0x00000000072CA000-memory.dmp
memory/2336-162-0x0000000007900000-0x0000000007F7A000-memory.dmp
memory/2336-161-0x0000000006560000-0x000000000657E000-memory.dmp
memory/2336-160-0x0000000071020000-0x000000007106C000-memory.dmp
memory/2336-159-0x0000000006580000-0x00000000065B2000-memory.dmp
memory/2472-156-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2700-149-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2700-169-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2700-148-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2700-144-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2700-145-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3172-154-0x0000000000400000-0x0000000000457000-memory.dmp
memory/3408-135-0x0000000005430000-0x000000000543A000-memory.dmp
memory/3408-132-0x0000000000960000-0x0000000000A98000-memory.dmp
memory/3408-133-0x0000000005A00000-0x0000000005FA4000-memory.dmp
memory/3408-136-0x000000000A420000-0x000000000A4BC000-memory.dmp
memory/3408-137-0x000000000A630000-0x000000000A696000-memory.dmp
memory/3408-134-0x0000000005450000-0x00000000054E2000-memory.dmp