Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/08/2024, 11:15
Static task
static1
Behavioral task
behavioral1
Sample
210820244972.bat.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
210820244972.bat.exe
Resource
win10v2004-20240802-en
General
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Target
210820244972.bat.exe
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Size
966KB
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MD5
edee826b3e374736185ba5728ee64ec1
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SHA1
2d2f5a376cda7d0f309f845210730aed64e3067e
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SHA256
823e15c33f7b0b8a824bb0d2eb2b4353b39726a314fa75c2e84b8c9f2dc0af81
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SHA512
7a5ac7b1441930788a603683073d96351d853e5781ed63a7fd457565c141a059934a9e483d4bf6aff3b0f92a7b260aa77992ba674ee8f4c499e5c6ec80324b52
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SSDEEP
24576:d0vn0PytJPufTIMhbn/M68IeVeV+XG4ZH+V14KnmktXF:d40KtJqNU68IvV4x+lnmi1
Malware Config
Extracted
remcos
Aug 21C
method8888.ddns.net:6902
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audio_folder
MicRecords
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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-7BIOTJ
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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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 behavioral2/memory/604-77-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/2292-74-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/2268-73-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/2292-74-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/2268-73-0x0000000000400000-0x0000000000478000-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 4044 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 210820244972.bat.exe -
Reads user/profile data of web browsers 2 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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 210820244972.bat.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3764 set thread context of 1204 3764 210820244972.bat.exe 99 PID 1204 set thread context of 2268 1204 210820244972.bat.exe 100 PID 1204 set thread context of 2292 1204 210820244972.bat.exe 102 PID 1204 set thread context of 604 1204 210820244972.bat.exe 106 -
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 210820244972.bat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 210820244972.bat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 210820244972.bat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 210820244972.bat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 210820244972.bat.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 452 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4044 powershell.exe 4044 powershell.exe 2268 210820244972.bat.exe 2268 210820244972.bat.exe 604 210820244972.bat.exe 604 210820244972.bat.exe 2268 210820244972.bat.exe 2268 210820244972.bat.exe -
Suspicious behavior: MapViewOfSection 7 IoCs
pid Process 1204 210820244972.bat.exe 1204 210820244972.bat.exe 1204 210820244972.bat.exe 1204 210820244972.bat.exe 1204 210820244972.bat.exe 1204 210820244972.bat.exe 1204 210820244972.bat.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 604 210820244972.bat.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1204 210820244972.bat.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 3764 wrote to memory of 4044 3764 210820244972.bat.exe 95 PID 3764 wrote to memory of 4044 3764 210820244972.bat.exe 95 PID 3764 wrote to memory of 4044 3764 210820244972.bat.exe 95 PID 3764 wrote to memory of 452 3764 210820244972.bat.exe 97 PID 3764 wrote to memory of 452 3764 210820244972.bat.exe 97 PID 3764 wrote to memory of 452 3764 210820244972.bat.exe 97 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 3764 wrote to memory of 1204 3764 210820244972.bat.exe 99 PID 1204 wrote to memory of 2268 1204 210820244972.bat.exe 100 PID 1204 wrote to memory of 2268 1204 210820244972.bat.exe 100 PID 1204 wrote to memory of 2268 1204 210820244972.bat.exe 100 PID 1204 wrote to memory of 2268 1204 210820244972.bat.exe 100 PID 1204 wrote to memory of 548 1204 210820244972.bat.exe 101 PID 1204 wrote to memory of 548 1204 210820244972.bat.exe 101 PID 1204 wrote to memory of 548 1204 210820244972.bat.exe 101 PID 1204 wrote to memory of 2292 1204 210820244972.bat.exe 102 PID 1204 wrote to memory of 2292 1204 210820244972.bat.exe 102 PID 1204 wrote to memory of 2292 1204 210820244972.bat.exe 102 PID 1204 wrote to memory of 2292 1204 210820244972.bat.exe 102 PID 1204 wrote to memory of 2200 1204 210820244972.bat.exe 103 PID 1204 wrote to memory of 2200 1204 210820244972.bat.exe 103 PID 1204 wrote to memory of 2200 1204 210820244972.bat.exe 103 PID 1204 wrote to memory of 3632 1204 210820244972.bat.exe 104 PID 1204 wrote to memory of 3632 1204 210820244972.bat.exe 104 PID 1204 wrote to memory of 3632 1204 210820244972.bat.exe 104 PID 1204 wrote to memory of 1572 1204 210820244972.bat.exe 105 PID 1204 wrote to memory of 1572 1204 210820244972.bat.exe 105 PID 1204 wrote to memory of 1572 1204 210820244972.bat.exe 105 PID 1204 wrote to memory of 604 1204 210820244972.bat.exe 106 PID 1204 wrote to memory of 604 1204 210820244972.bat.exe 106 PID 1204 wrote to memory of 604 1204 210820244972.bat.exe 106 PID 1204 wrote to memory of 604 1204 210820244972.bat.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\210820244972.bat.exe"C:\Users\Admin\AppData\Local\Temp\210820244972.bat.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3764 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SIAJcjELm.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4044
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SIAJcjELm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1EED.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:452
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C:\Users\Admin\AppData\Local\Temp\210820244972.bat.exe"C:\Users\Admin\AppData\Local\Temp\210820244972.bat.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Users\Admin\AppData\Local\Temp\210820244972.bat.exeC:\Users\Admin\AppData\Local\Temp\210820244972.bat.exe /stext "C:\Users\Admin\AppData\Local\Temp\neoexuouejitwebtukdpyuojpfgpf"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2268
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C:\Users\Admin\AppData\Local\Temp\210820244972.bat.exeC:\Users\Admin\AppData\Local\Temp\210820244972.bat.exe /stext "C:\Users\Admin\AppData\Local\Temp\xyuxyfzwsrayzkxxeuyqbyisylyygcvz"3⤵PID:548
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C:\Users\Admin\AppData\Local\Temp\210820244972.bat.exeC:\Users\Admin\AppData\Local\Temp\210820244972.bat.exe /stext "C:\Users\Admin\AppData\Local\Temp\xyuxyfzwsrayzkxxeuyqbyisylyygcvz"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2292
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C:\Users\Admin\AppData\Local\Temp\210820244972.bat.exeC:\Users\Admin\AppData\Local\Temp\210820244972.bat.exe /stext "C:\Users\Admin\AppData\Local\Temp\hbzp"3⤵PID:2200
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C:\Users\Admin\AppData\Local\Temp\210820244972.bat.exeC:\Users\Admin\AppData\Local\Temp\210820244972.bat.exe /stext "C:\Users\Admin\AppData\Local\Temp\hbzp"3⤵PID:3632
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C:\Users\Admin\AppData\Local\Temp\210820244972.bat.exeC:\Users\Admin\AppData\Local\Temp\210820244972.bat.exe /stext "C:\Users\Admin\AppData\Local\Temp\hbzp"3⤵PID:1572
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C:\Users\Admin\AppData\Local\Temp\210820244972.bat.exeC:\Users\Admin\AppData\Local\Temp\210820244972.bat.exe /stext "C:\Users\Admin\AppData\Local\Temp\hbzp"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:604
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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
MD5cf805d4d62b68ac0d9e652fde78ca5d3
SHA1c0fe69d92a6fde7c33b4b70e4fb4ca1aebe10c04
SHA256490fda09e6f6b4f44a04aa65790adb709443b64f407cc10a6d7be3b3f83ba198
SHA512b73dc320b91e03a86f2b3c36c5484eac9d9c553b39d5a949cb274b797812835c9b97ce258566a1476152a07524c71de7052d66aaec493c9ed63883b93c0888b5
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD58b8277c8f03c24d1f290dbe476e961d2
SHA12e13baf3a4b708277d550dc3dd1e0f99b131f78e
SHA2569af6881f6dbffba028a7a977f4c0a43c764f840332986993ad66de7b816c2f9e
SHA5127367a0236cd0d6cd731caf1ba1f4ea8f851ea1018a9c6b49db6e9d13b2aaba92767774da9169481918e4287021ff5c3a58c3143eaa5e7fe9fa88383208615948
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Filesize
1KB
MD5f2a29449133522941c0bbf97b847afa1
SHA16582b990cfd92e7047afe9669de7ab0e113730f5
SHA2568cee1e147921af62bdc4f05e85d6d344e9cd4ba0314eb2a63057dff2ef90d178
SHA51269055c64dfea7e2331bbdf253da0a7a36c65d15e8955e923c566fe5191d9fe1de2f880e1eb74eb21f7d968c41dc44ac02d8716f22e7fc67362ea28da3ba23c45