Analysis
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max time kernel
147s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-09-2024 04:36
Static task
static1
Behavioral task
behavioral1
Sample
C8DA5E64C79548B8447B7544517442DB.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
C8DA5E64C79548B8447B7544517442DB.exe
Resource
win10v2004-20240802-en
General
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Target
C8DA5E64C79548B8447B7544517442DB.exe
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Size
1006KB
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MD5
c8da5e64c79548b8447b7544517442db
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SHA1
e8bc50e2f1fe84fe96523a40d2a0abfd01c72bf7
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SHA256
61ebc7c6cd424b7043ee4df8e01489d66259a23979593fa1a5e7fbf54fe4ef4f
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SHA512
1d3e062b225f87bc1bde79b25b9bdd0499eda092817b83436d1f1760da9a928f9dcf07456485ce472559f7f4b6e5e7ac0a7af1069cbc1983be0d906cac4893e1
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SSDEEP
24576:/doEWj+MjS9+ZW8Z6+soNQMOHGRukDq7IR0RJgU:i1jm+w8dCHGRuEq7IRqh
Malware Config
Extracted
remcos
RemoteHost
45.89.247.135:2404
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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-7IHQDG
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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/336-59-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4920-60-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/3172-52-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4920-60-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/3172-52-0x0000000000400000-0x0000000000478000-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 3548 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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation C8DA5E64C79548B8447B7544517442DB.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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C8DA5E64C79548B8447B7544517442DB.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 5068 set thread context of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 2336 set thread context of 3172 2336 C8DA5E64C79548B8447B7544517442DB.exe 98 PID 2336 set thread context of 4920 2336 C8DA5E64C79548B8447B7544517442DB.exe 99 PID 2336 set thread context of 336 2336 C8DA5E64C79548B8447B7544517442DB.exe 100 -
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 C8DA5E64C79548B8447B7544517442DB.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C8DA5E64C79548B8447B7544517442DB.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C8DA5E64C79548B8447B7544517442DB.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C8DA5E64C79548B8447B7544517442DB.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 C8DA5E64C79548B8447B7544517442DB.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 116 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 5068 C8DA5E64C79548B8447B7544517442DB.exe 5068 C8DA5E64C79548B8447B7544517442DB.exe 5068 C8DA5E64C79548B8447B7544517442DB.exe 5068 C8DA5E64C79548B8447B7544517442DB.exe 5068 C8DA5E64C79548B8447B7544517442DB.exe 5068 C8DA5E64C79548B8447B7544517442DB.exe 3548 powershell.exe 5068 C8DA5E64C79548B8447B7544517442DB.exe 3548 powershell.exe 3172 C8DA5E64C79548B8447B7544517442DB.exe 3172 C8DA5E64C79548B8447B7544517442DB.exe 336 C8DA5E64C79548B8447B7544517442DB.exe 336 C8DA5E64C79548B8447B7544517442DB.exe 3172 C8DA5E64C79548B8447B7544517442DB.exe 3172 C8DA5E64C79548B8447B7544517442DB.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 2336 C8DA5E64C79548B8447B7544517442DB.exe 2336 C8DA5E64C79548B8447B7544517442DB.exe 2336 C8DA5E64C79548B8447B7544517442DB.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5068 C8DA5E64C79548B8447B7544517442DB.exe Token: SeDebugPrivilege 3548 powershell.exe Token: SeDebugPrivilege 336 C8DA5E64C79548B8447B7544517442DB.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 5068 wrote to memory of 3548 5068 C8DA5E64C79548B8447B7544517442DB.exe 93 PID 5068 wrote to memory of 3548 5068 C8DA5E64C79548B8447B7544517442DB.exe 93 PID 5068 wrote to memory of 3548 5068 C8DA5E64C79548B8447B7544517442DB.exe 93 PID 5068 wrote to memory of 116 5068 C8DA5E64C79548B8447B7544517442DB.exe 95 PID 5068 wrote to memory of 116 5068 C8DA5E64C79548B8447B7544517442DB.exe 95 PID 5068 wrote to memory of 116 5068 C8DA5E64C79548B8447B7544517442DB.exe 95 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 5068 wrote to memory of 2336 5068 C8DA5E64C79548B8447B7544517442DB.exe 97 PID 2336 wrote to memory of 3172 2336 C8DA5E64C79548B8447B7544517442DB.exe 98 PID 2336 wrote to memory of 3172 2336 C8DA5E64C79548B8447B7544517442DB.exe 98 PID 2336 wrote to memory of 3172 2336 C8DA5E64C79548B8447B7544517442DB.exe 98 PID 2336 wrote to memory of 3172 2336 C8DA5E64C79548B8447B7544517442DB.exe 98 PID 2336 wrote to memory of 4920 2336 C8DA5E64C79548B8447B7544517442DB.exe 99 PID 2336 wrote to memory of 4920 2336 C8DA5E64C79548B8447B7544517442DB.exe 99 PID 2336 wrote to memory of 4920 2336 C8DA5E64C79548B8447B7544517442DB.exe 99 PID 2336 wrote to memory of 4920 2336 C8DA5E64C79548B8447B7544517442DB.exe 99 PID 2336 wrote to memory of 336 2336 C8DA5E64C79548B8447B7544517442DB.exe 100 PID 2336 wrote to memory of 336 2336 C8DA5E64C79548B8447B7544517442DB.exe 100 PID 2336 wrote to memory of 336 2336 C8DA5E64C79548B8447B7544517442DB.exe 100 PID 2336 wrote to memory of 336 2336 C8DA5E64C79548B8447B7544517442DB.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\C8DA5E64C79548B8447B7544517442DB.exe"C:\Users\Admin\AppData\Local\Temp\C8DA5E64C79548B8447B7544517442DB.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
PID:5068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\unpuLJjbqcRkR.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3548
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\unpuLJjbqcRkR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3023.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:116
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C:\Users\Admin\AppData\Local\Temp\C8DA5E64C79548B8447B7544517442DB.exe"C:\Users\Admin\AppData\Local\Temp\C8DA5E64C79548B8447B7544517442DB.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Users\Admin\AppData\Local\Temp\C8DA5E64C79548B8447B7544517442DB.exeC:\Users\Admin\AppData\Local\Temp\C8DA5E64C79548B8447B7544517442DB.exe /stext "C:\Users\Admin\AppData\Local\Temp\molpeifzlzwjilryukuq"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3172
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C:\Users\Admin\AppData\Local\Temp\C8DA5E64C79548B8447B7544517442DB.exeC:\Users\Admin\AppData\Local\Temp\C8DA5E64C79548B8447B7544517442DB.exe /stext "C:\Users\Admin\AppData\Local\Temp\pqrzfaqbhiowsznclvpkapz"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4920
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C:\Users\Admin\AppData\Local\Temp\C8DA5E64C79548B8447B7544517442DB.exeC:\Users\Admin\AppData\Local\Temp\C8DA5E64C79548B8447B7544517442DB.exe /stext "C:\Users\Admin\AppData\Local\Temp\zkwsflbuvqgbufbgufcllutkrv"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:336
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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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD5c0ab2847671ed5375328c5127a02cc72
SHA1dc2bcb51562fb17e5c8787833bc0181d88a5b75e
SHA256e961f466a0638bc99182d0056245e2d8bf1ccc13a189b802aada981f379e2384
SHA5120b8b634d21ac71e02cef86687bf84b6fcecfd24dafab8130f42ce8b4b3f308a2e1b1fa7bf8d37f2eda76efae2b30b8d39f41d808d771562d8545ed144241924f
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Filesize
1KB
MD5bf648390b05172600b0ac5084b5165c5
SHA15f618befb0fdcd6f01316e5f032338613bd72fc0
SHA25602f622b3f0837a44033a5ef7ff98d697b426126afad7f7cdf3d75d70596c5001
SHA512134b2de29d60192e7405ef68e662df5bed788a7c2c09c0c6c8286a8a6f2198a5c0668484d214141ed9efff4357f9c530f619e09269835c3e778ebfedbcf05b10