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Analysis
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max time kernel
97s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26/11/2022, 03:58
Static task
static1
Behavioral task
behavioral1
Sample
6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe
Resource
win10v2004-20220812-en
General
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Target
6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe
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Size
1.1MB
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MD5
fd284de48fceb1580a3a4f69e382cdb4
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SHA1
dee73f2265bac5427da3920e49a8bf5f1f3e7d93
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SHA256
6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4
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SHA512
9a87fb545b73ff818d0b45e998a12a8a9e2ed0eb8400e029bbc65c19f48c324050214ae5a55458609a24f4a114e2065b64984eb9ae5c5262f855f508326cdb79
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SSDEEP
12288:/aWzgMg7v3qnCiMErQohh0F4CCJ8lny/Qo6oImr69oGE15jSsFZyoopSqM14C:iaHMv6Corjqny/Qo6DcsoRNFZyomW4C
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
resource yara_rule behavioral2/memory/4344-133-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/4344-141-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/4344-146-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/4344-154-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3568-151-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral2/memory/3568-152-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral2/memory/3568-153-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 3 IoCs
resource yara_rule behavioral2/memory/3568-151-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral2/memory/3568-152-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral2/memory/3568-153-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
resource yara_rule behavioral2/memory/5056-138-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/5056-140-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/5056-142-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/5056-143-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/5056-144-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3568-148-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3568-150-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3568-151-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3568-152-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3568-153-0x0000000000400000-0x000000000041F000-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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3108 set thread context of 4344 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 80 PID 4344 set thread context of 5056 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 81 PID 4344 set thread context of 3568 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 89 -
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 3 IoCs
pid Process 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 3108 wrote to memory of 4344 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 80 PID 3108 wrote to memory of 4344 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 80 PID 3108 wrote to memory of 4344 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 80 PID 3108 wrote to memory of 4344 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 80 PID 3108 wrote to memory of 4344 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 80 PID 3108 wrote to memory of 4344 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 80 PID 3108 wrote to memory of 4344 3108 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 80 PID 4344 wrote to memory of 5056 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 81 PID 4344 wrote to memory of 5056 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 81 PID 4344 wrote to memory of 5056 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 81 PID 4344 wrote to memory of 5056 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 81 PID 4344 wrote to memory of 5056 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 81 PID 4344 wrote to memory of 5056 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 81 PID 4344 wrote to memory of 5056 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 81 PID 4344 wrote to memory of 5056 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 81 PID 4344 wrote to memory of 3568 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 89 PID 4344 wrote to memory of 3568 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 89 PID 4344 wrote to memory of 3568 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 89 PID 4344 wrote to memory of 3568 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 89 PID 4344 wrote to memory of 3568 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 89 PID 4344 wrote to memory of 3568 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 89 PID 4344 wrote to memory of 3568 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 89 PID 4344 wrote to memory of 3568 4344 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe"C:\Users\Admin\AppData\Local\Temp\6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3108 -
C:\Users\Admin\AppData\Local\Temp\6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe"C:\Users\Admin\AppData\Local\Temp\6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Users\Admin\AppData\Local\Temp\6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe/scomma "C:\Users\Admin\AppData\Local\Temp\zptLhSupv0.ini"3⤵PID:5056
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C:\Users\Admin\AppData\Local\Temp\6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe/scomma "C:\Users\Admin\AppData\Local\Temp\McPIzF9KFb.ini"3⤵
- Accesses Microsoft Outlook accounts
PID:3568
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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