Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 09:40
Static task
static1
Behavioral task
behavioral1
Sample
Payment Advice_Chase Bank.pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Payment Advice_Chase Bank.pdf.exe
Resource
win10v2004-20241007-en
General
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Target
Payment Advice_Chase Bank.pdf.exe
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Size
997KB
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MD5
e9abe92824035cd098547ef4e5b55b66
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SHA1
627f264d13e0e0b7bdc3fccde16e1ef295605bce
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SHA256
b068030645860377782553a0afc3375824b11c827120888c3792b794de864232
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SHA512
ec1229a55357071954f1f935515d0a2b0b260d2be1c33a37e22b1ba0f962dd99d65d5a5b1f5b3c3fcbccb6757bd668ad1567b9b6cc05388871ebd268024490f0
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SSDEEP
12288:253wtfRzxWWoG2eNY27HpUe/dhWIp6JVbTp4vfpAtk5FabwLYGwD3Mcg34La+FYK:25MpzxWJRar/dkIIVbTpst2wT68j34Go
Malware Config
Extracted
remcos
RemoteHost
204.10.160.239:9682
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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-6D4L9S
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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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startup_value
Remcos
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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.
Processes:
resource yara_rule behavioral1/memory/836-53-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral1/memory/1424-58-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/1808-56-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/836-53-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1808-56-0x0000000000400000-0x0000000000478000-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.
Processes:
powershell.exepowershell.exepid process 2836 powershell.exe 2840 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
Processes:
Payment Advice_Chase Bank.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts Payment Advice_Chase Bank.pdf.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
Payment Advice_Chase Bank.pdf.exePayment Advice_Chase Bank.pdf.exedescription pid process target process PID 2156 set thread context of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 set thread context of 1808 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 set thread context of 836 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 set thread context of 1424 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe -
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 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
schtasks.exePayment Advice_Chase Bank.pdf.exePayment Advice_Chase Bank.pdf.exePayment Advice_Chase Bank.pdf.exePayment Advice_Chase Bank.pdf.exePayment Advice_Chase Bank.pdf.exepowershell.exepowershell.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Payment Advice_Chase Bank.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Payment Advice_Chase Bank.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Payment Advice_Chase Bank.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Payment Advice_Chase Bank.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Payment Advice_Chase Bank.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
Payment Advice_Chase Bank.pdf.exepowershell.exepowershell.exePayment Advice_Chase Bank.pdf.exepid process 2156 Payment Advice_Chase Bank.pdf.exe 2156 Payment Advice_Chase Bank.pdf.exe 2156 Payment Advice_Chase Bank.pdf.exe 2156 Payment Advice_Chase Bank.pdf.exe 2840 powershell.exe 2836 powershell.exe 1808 Payment Advice_Chase Bank.pdf.exe 1808 Payment Advice_Chase Bank.pdf.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
Payment Advice_Chase Bank.pdf.exepid process 2636 Payment Advice_Chase Bank.pdf.exe 2636 Payment Advice_Chase Bank.pdf.exe 2636 Payment Advice_Chase Bank.pdf.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Payment Advice_Chase Bank.pdf.exepowershell.exepowershell.exePayment Advice_Chase Bank.pdf.exedescription pid process Token: SeDebugPrivilege 2156 Payment Advice_Chase Bank.pdf.exe Token: SeDebugPrivilege 2840 powershell.exe Token: SeDebugPrivilege 2836 powershell.exe Token: SeDebugPrivilege 1424 Payment Advice_Chase Bank.pdf.exe -
Suspicious use of WriteProcessMemory 40 IoCs
Processes:
Payment Advice_Chase Bank.pdf.exePayment Advice_Chase Bank.pdf.exedescription pid process target process PID 2156 wrote to memory of 2840 2156 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2156 wrote to memory of 2840 2156 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2156 wrote to memory of 2840 2156 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2156 wrote to memory of 2840 2156 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2156 wrote to memory of 2836 2156 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2156 wrote to memory of 2836 2156 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2156 wrote to memory of 2836 2156 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2156 wrote to memory of 2836 2156 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2156 wrote to memory of 2708 2156 Payment Advice_Chase Bank.pdf.exe schtasks.exe PID 2156 wrote to memory of 2708 2156 Payment Advice_Chase Bank.pdf.exe schtasks.exe PID 2156 wrote to memory of 2708 2156 Payment Advice_Chase Bank.pdf.exe schtasks.exe PID 2156 wrote to memory of 2708 2156 Payment Advice_Chase Bank.pdf.exe schtasks.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2156 wrote to memory of 2636 2156 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 1808 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 1808 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 1808 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 1808 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 1808 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 836 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 836 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 836 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 836 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 836 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 1424 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 1424 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 1424 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 1424 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2636 wrote to memory of 1424 2636 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2840
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ccmyYaHotsrmGF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2836
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ccmyYaHotsrmGF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC12.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2708
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C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe" /stext "C:\Users\Admin\AppData\Local\Temp\itmvoswktsttjmftxilbyv"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1808
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C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe" /stext "C:\Users\Admin\AppData\Local\Temp\lvaoplgdhalgtauxosxvbaono"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:836
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C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice_Chase Bank.pdf.exe" /stext "C:\Users\Admin\AppData\Local\Temp\vpfyqdrfvidlvgqjydkwmnjepjsx"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1424
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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
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
1KB
MD55a4ec1c4b190d9e22eb341fd1e95043a
SHA11a9032b9feed6426a7fc56b6b54372972bf9824f
SHA256796369692a9d1d1b580c204da6017345de6d628cabde417849492a35cd4877bf
SHA512043a5348d8e6291f5827d951a0950959aade17002ae1f7d0b9ca0ffd6d8abd85bea481e7cb931ff4fef46ae38429a16c3641740a81b0feec8869e6fd99119035
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9M5QD55DICD7WVXHGMGN.temp
Filesize7KB
MD59b4a94e171a1a706068e1a67fcb40fa2
SHA14d07fb80dcb8be91a8a31aa70c636ba274530b57
SHA2564d67556ed3819952111b68c5ca5b8d97ba7478fe84e31bbd252949c43d5ef573
SHA51275408efd0286eea6a1fe2c109c3ddc60ccb9148df993c44ab09104d867cdb830126bb684979104d910a91e9bbafb3ebd6b56323d0f4bb8584c593aa52021ab1a