Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-11-2024 02:18
Static task
static1
Behavioral task
behavioral1
Sample
27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe
Resource
win10v2004-20241007-en
General
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Target
27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe
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Size
1004KB
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MD5
b55d24e6b8e053c08bdd57534af83734
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SHA1
13473f286428aa39869a9580c7f3fbb0fde8d9ed
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SHA256
27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b
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SHA512
1957bdfa97e1bd9309040f64d22c7348df0ca692f79a3136cb0203e19e5e4a67c5d8588e758f3e43a0652158a22042bd694635f0baaaa31c8d1c826432da8f22
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SSDEEP
24576:99CJVyR2dzExjVlDjcFXcq5meyUBNrllwKkwa9:9UO2dCzmeeT/sS
Malware Config
Extracted
remcos
RemoteHost
87.120.120.25:5940
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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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
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-13MD3U
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos family
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Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/2364-51-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/688-46-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/1272-47-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/688-46-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/1272-47-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
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.
pid Process 2736 powershell.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1736 set thread context of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 2616 set thread context of 1272 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 37 PID 2616 set thread context of 688 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 38 PID 2616 set thread context of 2364 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 39 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2848 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 2736 powershell.exe 1272 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 1272 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe Token: SeDebugPrivilege 2736 powershell.exe Token: SeDebugPrivilege 2364 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 1736 wrote to memory of 2736 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 31 PID 1736 wrote to memory of 2736 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 31 PID 1736 wrote to memory of 2736 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 31 PID 1736 wrote to memory of 2736 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 31 PID 1736 wrote to memory of 2848 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 33 PID 1736 wrote to memory of 2848 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 33 PID 1736 wrote to memory of 2848 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 33 PID 1736 wrote to memory of 2848 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 33 PID 1736 wrote to memory of 2804 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 35 PID 1736 wrote to memory of 2804 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 35 PID 1736 wrote to memory of 2804 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 35 PID 1736 wrote to memory of 2804 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 35 PID 1736 wrote to memory of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 1736 wrote to memory of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 1736 wrote to memory of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 1736 wrote to memory of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 1736 wrote to memory of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 1736 wrote to memory of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 1736 wrote to memory of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 1736 wrote to memory of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 1736 wrote to memory of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 1736 wrote to memory of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 1736 wrote to memory of 2616 1736 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 36 PID 2616 wrote to memory of 1272 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 37 PID 2616 wrote to memory of 1272 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 37 PID 2616 wrote to memory of 1272 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 37 PID 2616 wrote to memory of 1272 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 37 PID 2616 wrote to memory of 1272 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 37 PID 2616 wrote to memory of 688 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 38 PID 2616 wrote to memory of 688 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 38 PID 2616 wrote to memory of 688 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 38 PID 2616 wrote to memory of 688 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 38 PID 2616 wrote to memory of 688 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 38 PID 2616 wrote to memory of 2364 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 39 PID 2616 wrote to memory of 2364 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 39 PID 2616 wrote to memory of 2364 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 39 PID 2616 wrote to memory of 2364 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 39 PID 2616 wrote to memory of 2364 2616 27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe"C:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QglnNavO.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2736
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QglnNavO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp140D.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2848
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C:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe"C:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe"2⤵PID:2804
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C:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe"C:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exeC:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe /stext "C:\Users\Admin\AppData\Local\Temp\aifpgtcpneohummpxulqs"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1272
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C:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exeC:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe /stext "C:\Users\Admin\AppData\Local\Temp\kdkhhlnrbmglxsabpxfrdirb"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:688
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C:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exeC:\Users\Admin\AppData\Local\Temp\27e9d8399b11830c69e45b1d2f37dbde869ff3ec1185ea640c209399fb1d737b.exe /stext "C:\Users\Admin\AppData\Local\Temp\mfxsieylpuyqhhwfyhstgnesuud"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2364
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5d400063e57e3640215b40de264cf2738
SHA13915640fd24bb0a2d98752498a6995f18ceaa792
SHA256bd3e9fa2381afa1419081188e3987c7c95a990f5a86039f49e13d40e471d29c0
SHA5123e7e19b2c00228af156353fff7823f81dfc4e4da8bc83a16ffd828e0e71d05af2268e6592b44ce523d41cb79f6b94dd65df0c5e43f291d8a270bdd7dd49cb8b0
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
1KB
MD54fe78cf39af19db983a1aec2ec22bc7d
SHA1f6afcc8fa79ab8196db6998ea243a2c555a46f3f
SHA2562c50636c7d44eb7b51f07554fa154c548ec0258d0418743cd5bf016d9a6b5147
SHA512da3967c6d11ebbdffebf5480c173b678031b5405746eebec0463f1352f53b81c6a9640b0c5f4dc879a67eb213b47d09c3af86220a763bf4a7cd7a87fe1a6c27d