Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
07/12/2022, 12:49
General
- Target VER SUCESIÓNDEINCAPACIDAD20221205.exe
- Size 819KB
- Sample221207-p2fcyaeh75
- SHA256 cca6fbbbb4b240bd2d713677e01dc377ffffb4a99dedab5eea9813f9d855af56
Malware Config
Extracted
-
remcos
-
2.7.0 Pro
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BRASIL
-
brasil.con-ip.com:2001
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audio_folder
MicRecords
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audio_path
%AppData%
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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
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install_path
%AppData%
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keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
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keylog_path
%AppData%
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mouse_option
false
-
mutex
Remcos-WLGLS0
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screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
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screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
-
take_screenshot_title
wikipedia;solitaire;
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). 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\VER SUCESIÓNDEINCAPACIDAD20221205.exe"C:\Users\Admin\AppData\Local\Temp\VER SUCESIÓNDEINCAPACIDAD20221205.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\LaeCyBpJKSBFqo.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\LaeCyBpJKSBFqo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCAD2.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmpCAD2.tmp
memory/924-151-0x0000000000400000-0x0000000000421000-memory.dmp
memory/924-147-0x0000000000400000-0x0000000000421000-memory.dmp
memory/924-145-0x0000000000400000-0x0000000000421000-memory.dmp
memory/924-142-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3536-139-0x0000000002480000-0x00000000024B6000-memory.dmp
memory/3536-156-0x00000000070B0000-0x00000000070CA000-memory.dmp
memory/3536-161-0x00000000073D0000-0x00000000073D8000-memory.dmp
memory/3536-143-0x0000000004F80000-0x00000000055A8000-memory.dmp
memory/3536-160-0x00000000073F0000-0x000000000740A000-memory.dmp
memory/3536-146-0x0000000004CD0000-0x0000000004CF2000-memory.dmp
memory/3536-159-0x00000000072E0000-0x00000000072EE000-memory.dmp
memory/3536-148-0x0000000004D70000-0x0000000004DD6000-memory.dmp
memory/3536-149-0x0000000004E50000-0x0000000004EB6000-memory.dmp
memory/3536-150-0x0000000005B80000-0x0000000005B9E000-memory.dmp
memory/3536-158-0x0000000007310000-0x00000000073A6000-memory.dmp
memory/3536-152-0x0000000006360000-0x0000000006392000-memory.dmp
memory/3536-153-0x0000000070190000-0x00000000701DC000-memory.dmp
memory/3536-154-0x0000000006340000-0x000000000635E000-memory.dmp
memory/3536-155-0x0000000007710000-0x0000000007D8A000-memory.dmp
memory/3536-157-0x0000000007120000-0x000000000712A000-memory.dmp
memory/4088-132-0x0000000000080000-0x0000000000154000-memory.dmp
memory/4088-133-0x00000000050A0000-0x0000000005644000-memory.dmp
memory/4088-134-0x0000000004B90000-0x0000000004C22000-memory.dmp
memory/4088-135-0x0000000004B10000-0x0000000004B1A000-memory.dmp
memory/4088-136-0x0000000008F90000-0x000000000902C000-memory.dmp