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Analysis
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max time kernel
78s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24/11/2022, 08:29
Behavioral task
behavioral1
Sample
7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe
Resource
win10v2004-20220812-en
General
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Target
7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe
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Size
260KB
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MD5
859122ce27f47ee69366098f762846b0
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SHA1
2cb2ad59721b4c3661cae46e40a2a546fe240ea9
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SHA256
7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750
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SHA512
bce3cbd2a014811864cbb0a5909c1ae86fcb38bc4bb1573f1bcc9ae71ba837045e4ed0c76b3985acb5b78119c4beac1780bcd41c8152ff37f482d6de7506f2da
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SSDEEP
6144:iYb//1PxwtdIKCC0ef//uXltKc+LVsz9b8R4jvLXou:2tdFeCXuLKcCVsz6SDLXo
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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NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3608-145-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral2/memory/3608-146-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 2 IoCs
resource yara_rule behavioral2/memory/3608-145-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral2/memory/3608-146-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
resource yara_rule behavioral2/memory/4884-135-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4884-137-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4884-138-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4884-139-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3608-142-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3608-144-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3608-145-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3608-146-0x0000000000400000-0x000000000041F000-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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2420 set thread context of 4884 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 78 PID 2420 set thread context of 3608 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 83 -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2420 wrote to memory of 4884 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 78 PID 2420 wrote to memory of 4884 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 78 PID 2420 wrote to memory of 4884 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 78 PID 2420 wrote to memory of 4884 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 78 PID 2420 wrote to memory of 4884 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 78 PID 2420 wrote to memory of 4884 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 78 PID 2420 wrote to memory of 4884 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 78 PID 2420 wrote to memory of 4884 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 78 PID 2420 wrote to memory of 3608 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 83 PID 2420 wrote to memory of 3608 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 83 PID 2420 wrote to memory of 3608 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 83 PID 2420 wrote to memory of 3608 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 83 PID 2420 wrote to memory of 3608 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 83 PID 2420 wrote to memory of 3608 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 83 PID 2420 wrote to memory of 3608 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 83 PID 2420 wrote to memory of 3608 2420 7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe"C:\Users\Admin\AppData\Local\Temp\7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Users\Admin\AppData\Local\Temp\7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe/scomma "C:\Users\Admin\AppData\Local\Temp\QeyMrM1zsm.ini"2⤵PID:4884
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C:\Users\Admin\AppData\Local\Temp\7ed0f5a018177a25db136408abedc5577fa218e72ad30ac8a6af5bc3ccc83750.exe/scomma "C:\Users\Admin\AppData\Local\Temp\IKdNO3dCoQ.ini"2⤵
- Accesses Microsoft Outlook accounts
PID:3608
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
5B
MD5d1ea279fb5559c020a1b4137dc4de237
SHA1db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3