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Analysis
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max time kernel
42s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 5 IoCs
resource yara_rule behavioral1/memory/304-58-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/304-60-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/304-61-0x0000000000401180-mapping.dmp family_isrstealer behavioral1/memory/304-81-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/304-82-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2028-79-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/2028-80-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 2 IoCs
resource yara_rule behavioral1/memory/2028-79-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/2028-80-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
resource yara_rule behavioral1/memory/1116-65-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1116-69-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1116-70-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1116-71-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1116-72-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2028-74-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2028-78-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2028-79-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2028-80-0x0000000000400000-0x000000000041F000-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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1480 set thread context of 304 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 27 PID 304 set thread context of 1116 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 28 PID 304 set thread context of 2028 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 29 -
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 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 1480 wrote to memory of 304 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 27 PID 1480 wrote to memory of 304 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 27 PID 1480 wrote to memory of 304 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 27 PID 1480 wrote to memory of 304 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 27 PID 1480 wrote to memory of 304 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 27 PID 1480 wrote to memory of 304 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 27 PID 1480 wrote to memory of 304 1480 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 27 PID 304 wrote to memory of 1116 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 28 PID 304 wrote to memory of 1116 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 28 PID 304 wrote to memory of 1116 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 28 PID 304 wrote to memory of 1116 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 28 PID 304 wrote to memory of 1116 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 28 PID 304 wrote to memory of 1116 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 28 PID 304 wrote to memory of 1116 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 28 PID 304 wrote to memory of 1116 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 28 PID 304 wrote to memory of 1116 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 28 PID 304 wrote to memory of 2028 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 29 PID 304 wrote to memory of 2028 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 29 PID 304 wrote to memory of 2028 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 29 PID 304 wrote to memory of 2028 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 29 PID 304 wrote to memory of 2028 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 29 PID 304 wrote to memory of 2028 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 29 PID 304 wrote to memory of 2028 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 29 PID 304 wrote to memory of 2028 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 29 PID 304 wrote to memory of 2028 304 6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe 29
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:1480 -
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:304 -
C:\Users\Admin\AppData\Local\Temp\6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe/scomma "C:\Users\Admin\AppData\Local\Temp\qjjA8OPRlS.ini"3⤵PID:1116
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C:\Users\Admin\AppData\Local\Temp\6d516cacdafd6aba0cb19db4b66b1fce73d3079d6c0775d14b463a2ef2fd27c4.exe/scomma "C:\Users\Admin\AppData\Local\Temp\c65nsMRVdi.ini"3⤵
- Accesses Microsoft Outlook accounts
PID:2028
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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