Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 17:04
Static task
static1
Behavioral task
behavioral1
Sample
f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe
Resource
win10v2004-20220812-en
General
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Target
f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe
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Size
402KB
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MD5
21838131e312ccc1629fbb4581f211fa
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SHA1
7f32c6f2900f5427c84cc00377ed6e04183b156c
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SHA256
f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227
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SHA512
20eb5ee491241d8b6d15d2c0b971a5938c7e5f4b37a87ae980a3f26c77fd4061f335f9c88fc824cb398a18ddccd7a2225468effc3f4b496c0addbe32f90a9a88
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SSDEEP
6144:VNzK2WpGt4j/5MeXF4RaQWiZULy75ad99XHgFswLtiJV35XU36OvelMjqZ:VRKrueMe+RrW9hWiJVFUKOGlMjqZ
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/1384-134-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/1384-136-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/1384-147-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/1384-154-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/2520-152-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral2/memory/2520-153-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2520-152-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral2/memory/2520-153-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
Processes:
resource yara_rule behavioral2/memory/1172-141-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1172-143-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1172-144-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1172-145-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2520-149-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/2520-151-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/2520-152-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/2520-153-0x0000000000400000-0x000000000041F000-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:
f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exef2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exedescription pid process target process PID 4756 set thread context of 1384 4756 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 set thread context of 1172 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 set thread context of 2520 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exepid process 4756 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe 4756 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exedescription pid process Token: SeDebugPrivilege 4756 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exepid process 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exef2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exedescription pid process target process PID 4756 wrote to memory of 1384 4756 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 4756 wrote to memory of 1384 4756 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 4756 wrote to memory of 1384 4756 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 4756 wrote to memory of 1384 4756 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 4756 wrote to memory of 1384 4756 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 4756 wrote to memory of 1384 4756 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 4756 wrote to memory of 1384 4756 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 1172 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 1172 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 1172 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 1172 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 1172 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 1172 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 1172 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 1172 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 2520 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 2520 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 2520 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 2520 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 2520 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 2520 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 2520 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe PID 1384 wrote to memory of 2520 1384 f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe"C:\Users\Admin\AppData\Local\Temp\f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe"C:\Users\Admin\AppData\Local\Temp\f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe/scomma "C:\Users\Admin\AppData\Local\Temp\5LnDIzHofc.ini"3⤵
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C:\Users\Admin\AppData\Local\Temp\f2a5982ba901ace217b1592d80dbde04b029d14f47404525c7b8696a23b0e227.exe/scomma "C:\Users\Admin\AppData\Local\Temp\tURHmZ5tZZ.ini"3⤵
- Accesses Microsoft Outlook accounts
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\5LnDIzHofc.iniFilesize
5B
MD5d1ea279fb5559c020a1b4137dc4de237
SHA1db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3
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memory/1172-141-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1172-145-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1172-144-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1172-143-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1172-140-0x0000000000000000-mapping.dmp
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memory/1384-136-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1384-134-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1384-133-0x0000000000000000-mapping.dmp
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memory/1384-147-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1384-154-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2520-148-0x0000000000000000-mapping.dmp
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memory/2520-149-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/2520-151-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/2520-152-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/2520-153-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/4756-132-0x0000000074B90000-0x0000000075141000-memory.dmpFilesize
5.7MB
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memory/4756-137-0x0000000074B90000-0x0000000075141000-memory.dmpFilesize
5.7MB