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Analysis
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max time kernel
24s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 04:37
Static task
static1
Behavioral task
behavioral1
Sample
9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe
Resource
win10v2004-20220812-en
General
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Target
9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe
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Size
357KB
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MD5
87745db6b706ee4ac5900838c661e1d3
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SHA1
c6dd4ce078b86f216dc50c6107b116fea55dcf48
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SHA256
9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be
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SHA512
0ae59abeb0be99519dcfbddce89f19e367dd80c84259fb0548e88d2ee3380d9cbcaf29448555936fb487d2d30e84382dc334b7aba40ac72c289469e45cbf7289
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SSDEEP
6144:qowYxgI2hA+Uk2CNxcenTLt1ukosGo4M52QJTbGVzxNX3d1vpTMK3fmlj0+B2Vfe:qowYxL2urqxNvDdl5JQxNXnxTjx+B2Vf
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 3 IoCs
resource yara_rule behavioral1/memory/1160-57-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/1160-61-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/1160-63-0x0000000000401180-mapping.dmp family_isrstealer -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/1948-82-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/1948-83-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 2 IoCs
resource yara_rule behavioral1/memory/1948-82-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/1948-83-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
resource yara_rule behavioral1/memory/916-67-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/916-71-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/916-72-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/916-73-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/916-74-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1948-77-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1948-81-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1948-82-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1948-83-0x0000000000400000-0x000000000041F000-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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 748 set thread context of 1160 748 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 28 PID 1160 set thread context of 916 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 29 PID 1160 set thread context of 1948 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 32 -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 748 wrote to memory of 1160 748 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 28 PID 748 wrote to memory of 1160 748 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 28 PID 748 wrote to memory of 1160 748 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 28 PID 748 wrote to memory of 1160 748 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 28 PID 748 wrote to memory of 1160 748 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 28 PID 748 wrote to memory of 1160 748 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 28 PID 748 wrote to memory of 1160 748 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 28 PID 748 wrote to memory of 1160 748 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 28 PID 1160 wrote to memory of 916 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 29 PID 1160 wrote to memory of 916 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 29 PID 1160 wrote to memory of 916 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 29 PID 1160 wrote to memory of 916 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 29 PID 1160 wrote to memory of 916 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 29 PID 1160 wrote to memory of 916 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 29 PID 1160 wrote to memory of 916 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 29 PID 1160 wrote to memory of 916 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 29 PID 1160 wrote to memory of 916 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 29 PID 1160 wrote to memory of 1948 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 32 PID 1160 wrote to memory of 1948 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 32 PID 1160 wrote to memory of 1948 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 32 PID 1160 wrote to memory of 1948 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 32 PID 1160 wrote to memory of 1948 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 32 PID 1160 wrote to memory of 1948 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 32 PID 1160 wrote to memory of 1948 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 32 PID 1160 wrote to memory of 1948 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 32 PID 1160 wrote to memory of 1948 1160 9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe"C:\Users\Admin\AppData\Local\Temp\9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Users\Admin\AppData\Local\Temp\9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exeC:\Users\Admin\AppData\Local\Temp\9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Users\Admin\AppData\Local\Temp\9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe/scomma "C:\Users\Admin\AppData\Local\Temp\J78IoAd3yd.ini"3⤵PID:916
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C:\Users\Admin\AppData\Local\Temp\9b933a1465ef307beccd52d53b5f087862a32997199d2f475a0856baea1470be.exe/scomma "C:\Users\Admin\AppData\Local\Temp\0qCRuQrWoZ.ini"3⤵
- Accesses Microsoft Outlook accounts
PID:1948
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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