Analysis
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max time kernel
147s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
23-08-2024 02:41
Static task
static1
Behavioral task
behavioral1
Sample
c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe
Resource
win10v2004-20240802-en
General
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Target
c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe
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Size
998KB
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MD5
2732e2eb4efa4972d94d993a31a67f44
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SHA1
60e02e1d0f4f002532f7ea2fc24adaf80db430bd
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SHA256
c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24
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SHA512
159dcaae380279a2a68280c75d4a6fc53a9c79a846cfd31a42e250922e815e1e665faeb4ca017ecdc375439b2abdf98e62baaffead599db23e488adf4e792531
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SSDEEP
24576:4ALYnT2KsbNqGuYsqf3hfGwuvMSNMTosRap+EyT:4xT9oqVq5fPcMS/tp+F
Malware Config
Extracted
remcos
CLIENT
64.188.18.85:2404
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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
xlorers.exe
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copy_folder
xlorers
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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
true
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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-GK0LTU
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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/1216-90-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2920-95-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/1052-89-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/1216-90-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/1052-89-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
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.
pid Process 2768 powershell.exe 2028 powershell.exe -
Executes dropped EXE 5 IoCs
pid Process 320 xlorers.exe 1828 xlorers.exe 1052 xlorers.exe 1216 xlorers.exe 2920 xlorers.exe -
Loads dropped DLL 2 IoCs
pid Process 2548 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 2548 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts xlorers.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-GK0LTU = "\"C:\\ProgramData\\xlorers\\xlorers.exe\"" c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-GK0LTU = "\"C:\\ProgramData\\xlorers\\xlorers.exe\"" xlorers.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-GK0LTU = "\"C:\\ProgramData\\xlorers\\xlorers.exe\"" xlorers.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-GK0LTU = "\"C:\\ProgramData\\xlorers\\xlorers.exe\"" c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe -
Suspicious use of SetThreadContext 5 IoCs
description pid Process procid_target PID 2220 set thread context of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 320 set thread context of 1828 320 xlorers.exe 41 PID 1828 set thread context of 1052 1828 xlorers.exe 42 PID 1828 set thread context of 1216 1828 xlorers.exe 43 PID 1828 set thread context of 2920 1828 xlorers.exe 44 -
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 11 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xlorers.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xlorers.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xlorers.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xlorers.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.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 xlorers.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2404 schtasks.exe 1320 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 2768 powershell.exe 320 xlorers.exe 320 xlorers.exe 320 xlorers.exe 320 xlorers.exe 320 xlorers.exe 320 xlorers.exe 2028 powershell.exe 320 xlorers.exe 1052 xlorers.exe 1052 xlorers.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 1828 xlorers.exe 1828 xlorers.exe 1828 xlorers.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe Token: SeDebugPrivilege 2768 powershell.exe Token: SeDebugPrivilege 320 xlorers.exe Token: SeDebugPrivilege 2028 powershell.exe Token: SeDebugPrivilege 2920 xlorers.exe -
Suspicious use of WriteProcessMemory 61 IoCs
description pid Process procid_target PID 2220 wrote to memory of 2768 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 30 PID 2220 wrote to memory of 2768 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 30 PID 2220 wrote to memory of 2768 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 30 PID 2220 wrote to memory of 2768 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 30 PID 2220 wrote to memory of 2404 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 32 PID 2220 wrote to memory of 2404 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 32 PID 2220 wrote to memory of 2404 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 32 PID 2220 wrote to memory of 2404 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 32 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2220 wrote to memory of 2548 2220 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 34 PID 2548 wrote to memory of 320 2548 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 35 PID 2548 wrote to memory of 320 2548 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 35 PID 2548 wrote to memory of 320 2548 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 35 PID 2548 wrote to memory of 320 2548 c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe 35 PID 320 wrote to memory of 2028 320 xlorers.exe 37 PID 320 wrote to memory of 2028 320 xlorers.exe 37 PID 320 wrote to memory of 2028 320 xlorers.exe 37 PID 320 wrote to memory of 2028 320 xlorers.exe 37 PID 320 wrote to memory of 1320 320 xlorers.exe 39 PID 320 wrote to memory of 1320 320 xlorers.exe 39 PID 320 wrote to memory of 1320 320 xlorers.exe 39 PID 320 wrote to memory of 1320 320 xlorers.exe 39 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 320 wrote to memory of 1828 320 xlorers.exe 41 PID 1828 wrote to memory of 1052 1828 xlorers.exe 42 PID 1828 wrote to memory of 1052 1828 xlorers.exe 42 PID 1828 wrote to memory of 1052 1828 xlorers.exe 42 PID 1828 wrote to memory of 1052 1828 xlorers.exe 42 PID 1828 wrote to memory of 1052 1828 xlorers.exe 42 PID 1828 wrote to memory of 1216 1828 xlorers.exe 43 PID 1828 wrote to memory of 1216 1828 xlorers.exe 43 PID 1828 wrote to memory of 1216 1828 xlorers.exe 43 PID 1828 wrote to memory of 1216 1828 xlorers.exe 43 PID 1828 wrote to memory of 1216 1828 xlorers.exe 43 PID 1828 wrote to memory of 2920 1828 xlorers.exe 44 PID 1828 wrote to memory of 2920 1828 xlorers.exe 44 PID 1828 wrote to memory of 2920 1828 xlorers.exe 44 PID 1828 wrote to memory of 2920 1828 xlorers.exe 44 PID 1828 wrote to memory of 2920 1828 xlorers.exe 44
Processes
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C:\Users\Admin\AppData\Local\Temp\c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe"C:\Users\Admin\AppData\Local\Temp\c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YexrSjnKtvvgI.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2768
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YexrSjnKtvvgI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9EFD.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2404
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C:\Users\Admin\AppData\Local\Temp\c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe"C:\Users\Admin\AppData\Local\Temp\c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\ProgramData\xlorers\xlorers.exe"C:\ProgramData\xlorers\xlorers.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:320 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YexrSjnKtvvgI.exe"4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2028
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YexrSjnKtvvgI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF6E.tmp"4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1320
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C:\ProgramData\xlorers\xlorers.exe"C:\ProgramData\xlorers\xlorers.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\ProgramData\xlorers\xlorers.exeC:\ProgramData\xlorers\xlorers.exe /stext "C:\Users\Admin\AppData\Local\Temp\lnunwrinrqbcqkdqosudet"5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1052
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C:\ProgramData\xlorers\xlorers.exeC:\ProgramData\xlorers\xlorers.exe /stext "C:\Users\Admin\AppData\Local\Temp\whzywjthfytptqzcxdhehyvaxw"5⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1216
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C:\ProgramData\xlorers\xlorers.exeC:\ProgramData\xlorers\xlorers.exe /stext "C:\Users\Admin\AppData\Local\Temp\yjerpceibgludengoobgrlpjgluku"5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2920
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
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
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
1KB
MD5a3eb04a16d4f7cb312bf49ca74720ac7
SHA1cfb1589d13a1ba35d97ba45483be8ff2853e6d50
SHA256374ba39c61107eca9078e7de2c5a33b435606024ca0a3dd42f4941c189dc07ef
SHA5121c6175514ccf2c7e6125b528644c60f973feded07fca0686c8a5598d0c2fe24d558972a12dbfc61844ac951ea048490eae56f9b6cd139dd3ff3f737e980347d3
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5ca87f60cddf6e952fe6e46680b085e48
SHA1976470706c8e53ced7f060f1a29d6fd1778d0432
SHA256acabf52b0437685f916373104ca55bf3a191b44499eb0083a48fbb3f1617b9e5
SHA5121d8c33a02b89b0ce9afcc26147022cc83e856d4675773ab2cc0103bd674e498490f4832a7d42737d83f3acfdf201b1a732edda18f870b102e978e06d6ba1c1fc
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Filesize
998KB
MD52732e2eb4efa4972d94d993a31a67f44
SHA160e02e1d0f4f002532f7ea2fc24adaf80db430bd
SHA256c733793c396f98ec7eccf793a4ecb71c1af71b6106d202afe28df463d5a60a24
SHA512159dcaae380279a2a68280c75d4a6fc53a9c79a846cfd31a42e250922e815e1e665faeb4ca017ecdc375439b2abdf98e62baaffead599db23e488adf4e792531