Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
31/07/2024, 10:30
General
- Target SecuriteInfo.com.Win32.PWSX-gen.24212.14364.exe
- Size 919KB
- Sample240731-mjtfqsshjf
- SHA256 36609ed28222d995170a36e1d4df63fcf518bece4a965e5674cc5a03c2d2b324
Malware Config
Extracted
-
remcos
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Yenom
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remremc.duckdns.org:57155
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audio_folder
MicRecords
-
audio_record_time
5
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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
-
keylog_crypt
true
-
keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-V6SI6Q
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screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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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.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
- NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 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.
- Uses the VBS compiler for execution 1 TTPs
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 12 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 36 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24212.14364.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24212.14364.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24212.14364.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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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\jRassxvCmuR.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jRassxvCmuR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD4C5.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\mfsmar"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\xzxeajgew"3⤵
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\xzxeajgew"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\zbdxbcrgkzohj"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
logs.dat
StartupProfileData-NonInteractive
__PSScriptPolicyTest_n4zpyykw.exg.ps1
mfsmar
tmpD4C5.tmp
memory/2112-5-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/2112-6-0x0000000005570000-0x0000000005586000-memory.dmp
memory/2112-7-0x00000000055B0000-0x00000000055BE000-memory.dmp
memory/2112-8-0x0000000008940000-0x0000000008A00000-memory.dmp
memory/2112-9-0x000000000B170000-0x000000000B20C000-memory.dmp
memory/2112-4-0x0000000005280000-0x000000000528A000-memory.dmp
memory/2112-33-0x0000000074FCE000-0x0000000074FCF000-memory.dmp
memory/2112-3-0x00000000052F0000-0x0000000005382000-memory.dmp
memory/2112-0-0x0000000074FCE000-0x0000000074FCF000-memory.dmp
memory/2112-2-0x0000000005800000-0x0000000005DA4000-memory.dmp
memory/2112-1-0x00000000007D0000-0x00000000008BC000-memory.dmp
memory/2112-46-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/2652-63-0x0000000007040000-0x0000000007072000-memory.dmp
memory/2652-92-0x00000000075E0000-0x00000000075F1000-memory.dmp
memory/2652-14-0x00000000027C0000-0x00000000027F6000-memory.dmp
memory/2652-15-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/2652-41-0x0000000005AF0000-0x0000000005E44000-memory.dmp
memory/2652-16-0x00000000053E0000-0x0000000005A08000-memory.dmp
memory/2652-101-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/2652-91-0x0000000007660000-0x00000000076F6000-memory.dmp
memory/2652-87-0x00000000073E0000-0x00000000073FA000-memory.dmp
memory/2652-86-0x0000000007A30000-0x00000000080AA000-memory.dmp
memory/2652-26-0x0000000005A80000-0x0000000005AE6000-memory.dmp
memory/2652-84-0x0000000007020000-0x000000000703E000-memory.dmp
memory/2652-23-0x00000000052F0000-0x0000000005312000-memory.dmp
memory/2652-17-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/2652-25-0x0000000005A10000-0x0000000005A76000-memory.dmp
memory/2652-19-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/2652-64-0x0000000075850000-0x000000007589C000-memory.dmp
memory/2652-58-0x0000000006150000-0x000000000619C000-memory.dmp
memory/3040-108-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3040-106-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3040-105-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3528-109-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3528-113-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3528-114-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3764-120-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3764-138-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-154-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-89-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-153-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-146-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-145-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-137-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-117-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3764-130-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-129-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-127-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-122-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-121-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3764-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3764-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4516-94-0x00000000078E0000-0x00000000078F4000-memory.dmp
memory/4516-100-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/4516-85-0x0000000007380000-0x0000000007423000-memory.dmp
memory/4516-74-0x0000000075850000-0x000000007589C000-memory.dmp
memory/4516-57-0x0000000006360000-0x000000000637E000-memory.dmp
memory/4516-90-0x0000000007710000-0x000000000771A000-memory.dmp
memory/4516-93-0x00000000078D0000-0x00000000078DE000-memory.dmp
memory/4516-32-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/4516-21-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/4516-20-0x0000000074FC0000-0x0000000075770000-memory.dmp
memory/4516-96-0x00000000079C0000-0x00000000079C8000-memory.dmp
memory/4516-95-0x00000000079E0000-0x00000000079FA000-memory.dmp
memory/4852-103-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4852-104-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4852-107-0x0000000000400000-0x0000000000478000-memory.dmp