Analysis
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max time kernel
148s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
25-08-2024 01:07
Behavioral task
behavioral1
Sample
3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe
Resource
win10v2004-20240802-en
General
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Target
3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe
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Size
3.5MB
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MD5
2e5655f2cfebe6357e6388e678f3c073
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SHA1
f1d6b68d73a8da906368837c1cde74a26a900858
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SHA256
3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d
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SHA512
13477f0bc9a73809e7b069dc441c7fb0023178811f4fe3f39ccbc4b4c412516b612439d8025b0c79c33201c791b343cdcf7dec4a3fe7eabcd3e28b1cf520747f
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SSDEEP
98304:cUROmKjJqajychmAfNKcA+hv5r61JD4XEdGic/7FW:TsqzcEAfhrr0D4UdGb/hW
Malware Config
Extracted
remcos
RemoteHost
192.3.101.172:9674
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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
Log
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keylog_path
%Temp%
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mouse_option
false
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mutex
Rmc-54ZTI0
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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 behavioral1/memory/2632-48-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2620-63-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2960-55-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2960-55-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2632-48-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe -
Loads dropped DLL 1 IoCs
pid Process 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.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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resource yara_rule behavioral1/memory/2096-35-0x0000000000B10000-0x0000000001472000-memory.dmp themida behavioral1/memory/2096-36-0x0000000000B10000-0x0000000001472000-memory.dmp themida behavioral1/memory/2072-65-0x0000000000B10000-0x0000000001472000-memory.dmp themida -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\MyApp = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe" 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2096 set thread context of 2632 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 30 PID 2096 set thread context of 2960 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 31 PID 2096 set thread context of 2620 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 33 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2632 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 2632 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2620 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 2096 wrote to memory of 2632 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 30 PID 2096 wrote to memory of 2632 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 30 PID 2096 wrote to memory of 2632 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 30 PID 2096 wrote to memory of 2632 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 30 PID 2096 wrote to memory of 2632 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 30 PID 2096 wrote to memory of 2960 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 31 PID 2096 wrote to memory of 2960 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 31 PID 2096 wrote to memory of 2960 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 31 PID 2096 wrote to memory of 2960 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 31 PID 2096 wrote to memory of 2960 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 31 PID 2096 wrote to memory of 2072 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 32 PID 2096 wrote to memory of 2072 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 32 PID 2096 wrote to memory of 2072 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 32 PID 2096 wrote to memory of 2072 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 32 PID 2096 wrote to memory of 2620 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 33 PID 2096 wrote to memory of 2620 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 33 PID 2096 wrote to memory of 2620 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 33 PID 2096 wrote to memory of 2620 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 33 PID 2096 wrote to memory of 2620 2096 3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe"C:\Users\Admin\AppData\Local\Temp\3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Users\Admin\AppData\Local\Temp\3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exeC:\Users\Admin\AppData\Local\Temp\3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe /stext "C:\Users\Admin\AppData\Local\Temp\nvyptnddmrlijrrmfsgifjrnuqvdx"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2632
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C:\Users\Admin\AppData\Local\Temp\3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exeC:\Users\Admin\AppData\Local\Temp\3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe /stext "C:\Users\Admin\AppData\Local\Temp\qxliufnezzdnuxoqwdajqwmwdwneyqfd"2⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2960
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C:\Users\Admin\AppData\Local\Temp\3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exeC:\Users\Admin\AppData\Local\Temp\3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe /stext "C:\Users\Admin\AppData\Local\Temp\asrb"2⤵PID:2072
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C:\Users\Admin\AppData\Local\Temp\3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exeC:\Users\Admin\AppData\Local\Temp\3c74031a1ddcfbff9691d2992ecd540eb82c4b781bda9ffc5125d40ec712589d.exe /stext "C:\Users\Admin\AppData\Local\Temp\asrb"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2620
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
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
MD52ecc99efea575ef097c2ff95aceb0e2f
SHA1980bff1bb92738f6f7fdb6020d77ead02bd9771e
SHA256387ddc2280a57e54545e47b27b552eb5440d2e5d46299ddc70a483b9b813ecd2
SHA512e4e8bdda5e974294f0da1d2984118c498d5ff596b6118cc261587819e71259ad227a541facc185a264b49d0eaea67c087bdaddac48cf35ccc98147abee505958
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
8KB
MD5e1db733e43aa8d065fb7e8669db76524
SHA13f9c62ee28959959271632fdc7f5387d539a1d23
SHA2569e65d9e8ebb895f3b03c95ce64f044c70251fff444a4bcbee83f558b599a614d
SHA5123f6106f32932e72d197865f7b796eba072c8ab20c22b4d205f27de9b9fc6c139be8450ae25541fbdac37a06bc3ec2d1fab3f9b3216201a9231b70fcde6fb8eb3