Analysis
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max time kernel
156s -
max time network
196s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 16:56
Static task
static1
Behavioral task
behavioral1
Sample
6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe
Resource
win10v2004-20221111-en
General
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Target
6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe
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Size
996KB
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MD5
e13e4b2ed746d1034641b76680c99e86
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SHA1
c106206e42295af01dc6cf03e9989c61cd4953ec
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SHA256
6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7
-
SHA512
35cffda263c72992859acd5f92890b5cada28ac241963de3146b16de640c93379503d48baaad88fceb1e098208626f7685486da289a506ffad008ececf5257f9
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SSDEEP
12288:uaWzgMg7v3qnCiMErQohh0F4CCJ8lny/Qg3rjtOnrZsWz3OWvOnbxR9rvsOrm:ZaHMv6Corjqny/Qgbj0SQOb/psOrm
Malware Config
Signatures
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ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
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ISR Stealer payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/684-133-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/684-135-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/684-145-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/684-153-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3492-150-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral2/memory/3492-151-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral2/memory/3492-152-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3492-150-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral2/memory/3492-151-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral2/memory/3492-152-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
Processes:
resource yara_rule behavioral2/memory/4296-139-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4296-141-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4296-142-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4296-143-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3492-147-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3492-149-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3492-150-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3492-151-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3492-152-0x0000000000400000-0x000000000041F000-memory.dmp upx -
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:
6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exedescription pid process target process PID 4552 set thread context of 684 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 set thread context of 4296 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 set thread context of 3492 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exepid process 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exepid process 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exepid process 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exedescription pid process target process PID 4552 wrote to memory of 684 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 4552 wrote to memory of 684 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 4552 wrote to memory of 684 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 4552 wrote to memory of 684 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 4552 wrote to memory of 684 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 4552 wrote to memory of 684 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 4552 wrote to memory of 684 4552 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 4296 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 4296 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 4296 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 4296 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 4296 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 4296 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 4296 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 4296 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 3492 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 3492 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 3492 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 3492 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 3492 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 3492 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 3492 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe PID 684 wrote to memory of 3492 684 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe 6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe"C:\Users\Admin\AppData\Local\Temp\6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe"C:\Users\Admin\AppData\Local\Temp\6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe/scomma "C:\Users\Admin\AppData\Local\Temp\lpuE9fWAIj.ini"3⤵
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C:\Users\Admin\AppData\Local\Temp\6d5b241043003790a1396d98beeec8f692fc92f5dd7ff3a01602947bb58c4cd7.exe/scomma "C:\Users\Admin\AppData\Local\Temp\LnV947BOiK.ini"3⤵
- Accesses Microsoft Outlook accounts
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\lpuE9fWAIj.iniFilesize
5B
MD5d1ea279fb5559c020a1b4137dc4de237
SHA1db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3
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memory/684-133-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/684-135-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/684-153-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/684-132-0x0000000000000000-mapping.dmp
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memory/684-145-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3492-149-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/3492-146-0x0000000000000000-mapping.dmp
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memory/3492-147-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/3492-150-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/3492-151-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/3492-152-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/4296-143-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/4296-142-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/4296-141-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/4296-139-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/4296-138-0x0000000000000000-mapping.dmp