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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 14:31
Static task
static1
Behavioral task
behavioral1
Sample
839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe
Resource
win10v2004-20240412-en
General
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Target
839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe
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Size
984KB
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MD5
3f6158f27ef80630313026f52cac93f4
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SHA1
ba374eb42010c5cf44fdc259983dc44442cb0753
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SHA256
839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b
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SHA512
7ce1b216d055a6ae8491d93fab07502646b1a1939e2796005005875405e65ae5a2d97fc7607690ba2d38683678d22206529ad57d26c243e76c695da5b67faaf0
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SSDEEP
24576:4Nxc5Gjn6R/TiWtnTS65ox40AjuCDLym06vQvyi3B:CxfjnkOYJ5cbuLyZ9
Malware Config
Extracted
remcos
RemoteHost
paygateme.net:2286
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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-BDTHCE
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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
resource yara_rule behavioral2/memory/3548-91-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/3548-98-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/4852-88-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4852-101-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Nirsoft 6 IoCs
resource yara_rule behavioral2/memory/4852-88-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/3548-91-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4044-97-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3548-98-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4044-99-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4852-101-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.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-1-5-21-355664440-2199602304-1223909400-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1380 set thread context of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 388 set thread context of 4852 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 96 PID 388 set thread context of 3548 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 97 PID 388 set thread context of 4044 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 99 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4424 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 3780 powershell.exe 3780 powershell.exe 4852 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 4852 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 4044 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 4044 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 4852 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 4852 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe Token: SeDebugPrivilege 3780 powershell.exe Token: SeDebugPrivilege 4044 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1380 wrote to memory of 3780 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 90 PID 1380 wrote to memory of 3780 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 90 PID 1380 wrote to memory of 3780 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 90 PID 1380 wrote to memory of 4424 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 92 PID 1380 wrote to memory of 4424 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 92 PID 1380 wrote to memory of 4424 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 92 PID 1380 wrote to memory of 3356 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 94 PID 1380 wrote to memory of 3356 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 94 PID 1380 wrote to memory of 3356 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 94 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 1380 wrote to memory of 388 1380 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 95 PID 388 wrote to memory of 4852 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 96 PID 388 wrote to memory of 4852 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 96 PID 388 wrote to memory of 4852 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 96 PID 388 wrote to memory of 4852 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 96 PID 388 wrote to memory of 3548 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 97 PID 388 wrote to memory of 3548 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 97 PID 388 wrote to memory of 3548 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 97 PID 388 wrote to memory of 3548 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 97 PID 388 wrote to memory of 5052 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 98 PID 388 wrote to memory of 5052 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 98 PID 388 wrote to memory of 5052 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 98 PID 388 wrote to memory of 4044 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 99 PID 388 wrote to memory of 4044 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 99 PID 388 wrote to memory of 4044 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 99 PID 388 wrote to memory of 4044 388 839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe"C:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\opYxqsS.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3780
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\opYxqsS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F06.tmp"2⤵
- Creates scheduled task(s)
PID:4424
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C:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe"C:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe"2⤵PID:3356
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C:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe"C:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:388 -
C:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exeC:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe /stext "C:\Users\Admin\AppData\Local\Temp\lemuhspaqwkybxzm"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4852
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C:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exeC:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe /stext "C:\Users\Admin\AppData\Local\Temp\ogrnhlabeecddlvqsao"3⤵
- Accesses Microsoft Outlook accounts
PID:3548
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C:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exeC:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe /stext "C:\Users\Admin\AppData\Local\Temp\yaxfidkvamuinrjublbtxe"3⤵PID:5052
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C:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exeC:\Users\Admin\AppData\Local\Temp\839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b.exe /stext "C:\Users\Admin\AppData\Local\Temp\yaxfidkvamuinrjublbtxe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4044
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD52f7ec349a34bd4ab17397bc9d0c510f3
SHA1e71bc66425f48d436e90ba0204c3409527e8734d
SHA25620e70b4c8362f9df1d3779609f5911e6108c44debc90ed85c618174f9f249dfe
SHA51213d630441f1d2828fa9c62b2bfc3c4c880969a029a0fe7f867ba21e7639a44f50325b8fd93a4a2cdc21fb1b23c63d8761b776f57b281816f8003cb8448905d5b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD5f97c396687d09448bccf0c3c470beb25
SHA1fb14d5b945f3ca0d304750530ae583860940aaeb
SHA2561e8fe5b750c0b577cfe7732e87fe963547deea8ac3ca24410e32a9066ebd7f5b
SHA51257b9d7d9d6593df68e84e01a6974b88a382284626397b4cbb0d08257d29d6715347024e0968b052e97d45233f90d608cfb448285064efa62e9fcd3bb583d1e0c
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Filesize
1KB
MD544991b720a89d6b8003de956e875083e
SHA119e6a2035346a5600062794e605184cd4077b129
SHA2568bc4b73e5e8ddf9e797c0b02d8d9c0167ed04a2cf8448a050623027c770de7f8
SHA512be3bcea83ac67b0d7c0b1675c00adfd37d71b03ae4272021e0d5d57bb4b8020927c9ee75ca6def5babef504628008ffbdc0d86d8ccf7f78f6881ba963db1975c