Analysis
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max time kernel
149s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2023 07:17
Static task
static1
Behavioral task
behavioral1
Sample
GH09876545600-87.bat.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
GH09876545600-87.bat.exe
Resource
win10v2004-20231127-en
General
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Target
GH09876545600-87.bat.exe
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Size
1.3MB
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MD5
f0b143f0d8012b2acb59e94544ee8a95
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SHA1
215cd6adf283a17bf4c717e27842bc1e9bfb2058
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SHA256
1f0a225b3b04a26d777a315cb1cacde6d5b0d7fc9e182a96ef035b41adada2de
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SHA512
64b5dd4b4f14c090a06cbfa3dc69028efdc9c2c973afe7b3449eb4211611d8f373124eef14553548dd0cfc18b057d9518000ea6a8082fe1987c05b89f9a9dfa1
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SSDEEP
24576:HYc6g/pOKKeFZYokY8+VnPZhNsqWOgjcjqQvWV:HrZYokYNnFsfxjcjqbV
Malware Config
Extracted
remcos
RemoteHost
107.175.229.139:8087
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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-IZFV1M
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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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NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3084-60-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView behavioral2/memory/3084-65-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4924-52-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4924-53-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4924-77-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Nirsoft 7 IoCs
Processes:
resource yara_rule behavioral2/memory/4924-52-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/4924-53-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/3084-60-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/3084-65-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral2/memory/2408-67-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/2408-69-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4924-77-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
Drops startup file 2 IoCs
Processes:
Powershell.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.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
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts RegAsm.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
GH09876545600-87.bat.exeRegAsm.exedescription pid process target process PID 636 set thread context of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 4592 set thread context of 4924 4592 RegAsm.exe RegAsm.exe PID 4592 set thread context of 3084 4592 RegAsm.exe RegAsm.exe PID 4592 set thread context of 2408 4592 RegAsm.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
Powershell.exeRegAsm.exeRegAsm.exepid process 5084 Powershell.exe 5084 Powershell.exe 4924 RegAsm.exe 4924 RegAsm.exe 2408 RegAsm.exe 2408 RegAsm.exe 4924 RegAsm.exe 4924 RegAsm.exe -
Suspicious behavior: MapViewOfSection 8 IoCs
Processes:
RegAsm.exepid process 4592 RegAsm.exe 4592 RegAsm.exe 4592 RegAsm.exe 4592 RegAsm.exe 4592 RegAsm.exe 4592 RegAsm.exe 4592 RegAsm.exe 4592 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Powershell.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 5084 Powershell.exe Token: SeDebugPrivilege 2408 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 4592 RegAsm.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
GH09876545600-87.bat.exeRegAsm.exedescription pid process target process PID 636 wrote to memory of 5084 636 GH09876545600-87.bat.exe Powershell.exe PID 636 wrote to memory of 5084 636 GH09876545600-87.bat.exe Powershell.exe PID 636 wrote to memory of 5084 636 GH09876545600-87.bat.exe Powershell.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 636 wrote to memory of 4592 636 GH09876545600-87.bat.exe RegAsm.exe PID 4592 wrote to memory of 4484 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 4484 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 4484 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 4924 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 4924 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 4924 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 4924 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 2688 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 2688 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 2688 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 1424 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 1424 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 1424 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 3084 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 3084 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 3084 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 3084 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 632 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 632 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 632 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 4824 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 4824 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 4824 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 2408 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 2408 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 2408 4592 RegAsm.exe RegAsm.exe PID 4592 wrote to memory of 2408 4592 RegAsm.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\GH09876545600-87.bat.exe"C:\Users\Admin\AppData\Local\Temp\GH09876545600-87.bat.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\GH09876545600-87.bat.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\djwyocvxmzfhh"3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\djwyocvxmzfhh"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\ndbjovfrahxljnzh"3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\ndbjovfrahxljnzh"3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\ndbjovfrahxljnzh"3⤵
- Accesses Microsoft Outlook accounts
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\pfobpnqtnppqtuntbmo"3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\pfobpnqtnppqtuntbmo"3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\pfobpnqtnppqtuntbmo"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\remcos\logs.datFilesize
144B
MD5e1e126a044efe328adb493a077a4e5e9
SHA1987cfe942d91ad045bae17fc0366a9183790223b
SHA256936963d1d2a2413aeac8b6045b24ecb2b101c2c5dca42d4d91a37c4ff4db7835
SHA512807fa2ca001668649b5affd941c255482f3de9421f5a81ee6dcb0f847c060075407e98103eb65c28a1595ab82ea0fba9e3a3b557ed5d00e6d3344bc16cbbdec1
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_51ohr412.x4v.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\djwyocvxmzfhhFilesize
4KB
MD5fda76cfa7a55a35c055559a4e3f7c6b9
SHA197ae85ddba2c0b1f1bcb06f2f1be648d060b9505
SHA2566c32c258dbbd9064a9d55b98cd2bbe6fdb750092d6ab1c0a0841f7bc8c4b83bd
SHA5127a7e71e72346ea106cd63f336f52e836c233ac40eee9d3ccee7e0a6668ca7e8ed788ff02a1732e55f0b49610bb00c3d80c5dcc4c6834a5914217fadf069df0cc
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memory/636-0-0x00000000002C0000-0x000000000040A000-memory.dmpFilesize
1.3MB
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memory/636-3-0x0000000004EA0000-0x0000000004EB0000-memory.dmpFilesize
64KB
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memory/636-5-0x0000000004F50000-0x0000000004FE2000-memory.dmpFilesize
584KB
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memory/636-6-0x0000000004FF0000-0x000000000508C000-memory.dmpFilesize
624KB
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memory/636-2-0x0000000004D70000-0x0000000004E1E000-memory.dmpFilesize
696KB
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memory/636-4-0x0000000005460000-0x0000000005A04000-memory.dmpFilesize
5.6MB
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memory/636-28-0x0000000075150000-0x0000000075900000-memory.dmpFilesize
7.7MB
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memory/636-1-0x0000000075150000-0x0000000075900000-memory.dmpFilesize
7.7MB
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memory/636-25-0x0000000004EB0000-0x0000000004EBA000-memory.dmpFilesize
40KB
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memory/1424-47-0x00000000003F0000-0x00000000003F0000-memory.dmp
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memory/2408-69-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/2408-55-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/2408-67-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/2408-62-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/3084-60-0x0000000000400000-0x0000000000457000-memory.dmpFilesize
348KB
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memory/3084-65-0x0000000000400000-0x0000000000457000-memory.dmpFilesize
348KB
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memory/3084-54-0x0000000000400000-0x0000000000457000-memory.dmpFilesize
348KB
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memory/3084-49-0x0000000000400000-0x0000000000457000-memory.dmpFilesize
348KB
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memory/4592-37-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-93-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-85-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-84-0x0000000010000000-0x0000000010019000-memory.dmpFilesize
100KB
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memory/4592-35-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-79-0x0000000010000000-0x0000000010019000-memory.dmpFilesize
100KB
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memory/4592-38-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-39-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-40-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-41-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-42-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-43-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-109-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-30-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-29-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-83-0x0000000010000000-0x0000000010019000-memory.dmpFilesize
100KB
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memory/4592-82-0x0000000010000000-0x0000000010019000-memory.dmpFilesize
100KB
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memory/4592-108-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-101-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-26-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-91-0x0000000010000000-0x0000000010019000-memory.dmpFilesize
100KB
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memory/4592-92-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-32-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-100-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4592-64-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4924-53-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/4924-52-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
-
memory/4924-50-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/4924-46-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/4924-44-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/4924-77-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/5084-19-0x00000000060F0000-0x0000000006156000-memory.dmpFilesize
408KB
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memory/5084-75-0x0000000075150000-0x0000000075900000-memory.dmpFilesize
7.7MB
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memory/5084-68-0x00000000076C0000-0x0000000007756000-memory.dmpFilesize
600KB
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memory/5084-71-0x0000000006C60000-0x0000000006C82000-memory.dmpFilesize
136KB
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memory/5084-70-0x0000000006BE0000-0x0000000006BFA000-memory.dmpFilesize
104KB
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memory/5084-34-0x0000000006750000-0x000000000679C000-memory.dmpFilesize
304KB
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memory/5084-33-0x0000000006700000-0x000000000671E000-memory.dmpFilesize
120KB
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memory/5084-24-0x0000000006260000-0x00000000065B4000-memory.dmpFilesize
3.3MB
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memory/5084-13-0x0000000006010000-0x0000000006076000-memory.dmpFilesize
408KB
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memory/5084-12-0x0000000005730000-0x0000000005752000-memory.dmpFilesize
136KB
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memory/5084-11-0x0000000005970000-0x0000000005F98000-memory.dmpFilesize
6.2MB
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memory/5084-10-0x0000000005330000-0x0000000005340000-memory.dmpFilesize
64KB
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memory/5084-9-0x0000000005330000-0x0000000005340000-memory.dmpFilesize
64KB
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memory/5084-8-0x0000000005150000-0x0000000005186000-memory.dmpFilesize
216KB
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memory/5084-7-0x0000000075150000-0x0000000075900000-memory.dmpFilesize
7.7MB