Analysis
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max time kernel
148s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 behavioral2/memory/4528-94-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4316-88-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/2464-87-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/4316-88-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/2464-87-0x0000000000400000-0x0000000000478000-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 2288 powershell.exe 4152 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Payment Advice_Chase Bank.pdf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation Payment Advice_Chase Bank.pdf.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-1-5-21-4050598569-1597076380-177084960-1000\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 2296 set thread context of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 set thread context of 2464 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 set thread context of 4316 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 set thread context of 4528 3640 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:
powershell.exeschtasks.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.exedescription 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 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 -
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 15 IoCs
Processes:
Payment Advice_Chase Bank.pdf.exepowershell.exepowershell.exePayment Advice_Chase Bank.pdf.exePayment Advice_Chase Bank.pdf.exepid process 2296 Payment Advice_Chase Bank.pdf.exe 2296 Payment Advice_Chase Bank.pdf.exe 2296 Payment Advice_Chase Bank.pdf.exe 2288 powershell.exe 4152 powershell.exe 2296 Payment Advice_Chase Bank.pdf.exe 2296 Payment Advice_Chase Bank.pdf.exe 2288 powershell.exe 4152 powershell.exe 2464 Payment Advice_Chase Bank.pdf.exe 2464 Payment Advice_Chase Bank.pdf.exe 4528 Payment Advice_Chase Bank.pdf.exe 4528 Payment Advice_Chase Bank.pdf.exe 2464 Payment Advice_Chase Bank.pdf.exe 2464 Payment Advice_Chase Bank.pdf.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
Processes:
Payment Advice_Chase Bank.pdf.exepid process 3640 Payment Advice_Chase Bank.pdf.exe 3640 Payment Advice_Chase Bank.pdf.exe 3640 Payment Advice_Chase Bank.pdf.exe 3640 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 2296 Payment Advice_Chase Bank.pdf.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 4528 Payment Advice_Chase Bank.pdf.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
Payment Advice_Chase Bank.pdf.exePayment Advice_Chase Bank.pdf.exedescription pid process target process PID 2296 wrote to memory of 2288 2296 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2296 wrote to memory of 2288 2296 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2296 wrote to memory of 2288 2296 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2296 wrote to memory of 4152 2296 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2296 wrote to memory of 4152 2296 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2296 wrote to memory of 4152 2296 Payment Advice_Chase Bank.pdf.exe powershell.exe PID 2296 wrote to memory of 1480 2296 Payment Advice_Chase Bank.pdf.exe schtasks.exe PID 2296 wrote to memory of 1480 2296 Payment Advice_Chase Bank.pdf.exe schtasks.exe PID 2296 wrote to memory of 1480 2296 Payment Advice_Chase Bank.pdf.exe schtasks.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 2296 wrote to memory of 3640 2296 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 2464 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 2464 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 2464 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 2464 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 2488 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 2488 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 2488 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 4316 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 4316 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 4316 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 4316 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 4528 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 4528 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 4528 3640 Payment Advice_Chase Bank.pdf.exe Payment Advice_Chase Bank.pdf.exe PID 3640 wrote to memory of 4528 3640 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⤵
- 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:2296 -
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:2288
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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:4152
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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\tmp149C.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1480
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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:3640 -
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\qhvwvzscpmhicd"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2464
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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\bbbgwrcwduanmrlkvk"3⤵PID:2488
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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\bbbgwrcwduanmrlkvk"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4316
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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\ldozoknyrcsapxzoevbhs"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4528
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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
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
18KB
MD539a0fba8bc0d5009d27e8f84caf77133
SHA145e9e3a4d68dc670e0bbfc34ac02b5cff0ea4d68
SHA256979e527e28a0aeb361f0c2ca9ca1b218576618746538b301ebe377d14ada0fbc
SHA512bd99a4d95bb8a329df15699efef9e5676f473a79c3f20238cbf78ca44fc6bc100593d1ecd62aa8623cfa469b3e3a19dce17c83c8a1c92f32f372745d518dade9
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD5f1d2c01ce674ad7d5bad04197c371fbc
SHA14bf0ed04d156a3dc6c8d27e134ecbda76d3585aa
SHA25625b006032deccd628940ef728fffe83b325a85de453a34691f55f570e4460094
SHA51281cb982cc33dcc27600a8a681c3ec3cc5b9221b95baa45e1ab24479745a9638b9f31d7beeeb1128b3294ff69b44e958c75e25d565f66790c364665caff96ee77
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Filesize
1KB
MD548c43d539ca48bfe925ccba0f8550366
SHA1e5f2bc0d8fbd2672512a1200e1ce803638f22928
SHA25658c6dd6fc60fe887e95be28fdc5e57b123ca119742272d64ba7f4be09c44ddbf
SHA5120f29f6633e95e5483163c7679433d43d3a57f9c4ec136cccedb99867ee117d5ee90c725f53e26a414937c98545107b1783683e606a2317ec762208615cab38c4