Analysis
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max time kernel
97s -
max time network
35s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 03:58
Static task
static1
Behavioral task
behavioral1
Sample
f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe
Resource
win10v2004-20221111-en
General
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Target
f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe
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Size
1.0MB
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MD5
24a555c616a2e1e144591f690e3f6a0c
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SHA1
f994653839fa49c8aef18cee6d5129b0887d3059
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SHA256
f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01
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SHA512
2e85d1225f7f8935c880f427e99fd2fc77b0205ccc1c61585e7debb39d772c3484f6d373e2008bb97058c98a5d39b5df07a29036d8581ce3ad2b2a08d845cc69
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SSDEEP
12288:TaWzgMg7v3qnCiMErQohh0F4CCJ8lny/QPO4re39oGE15jSsFZyoopSqM14C:WaHMv6Corjqny/QPOGetoRNFZyomW4C
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
Processes:
resource yara_rule behavioral1/memory/588-58-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/588-60-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/588-61-0x0000000000401180-mapping.dmp family_isrstealer behavioral1/memory/588-71-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/588-80-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1272-78-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/1272-79-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1272-78-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/1272-79-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
Processes:
resource yara_rule behavioral1/memory/1644-65-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1644-69-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1644-70-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1644-72-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1272-73-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1272-77-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1272-78-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1272-79-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1644-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1644-82-0x0000000000400000-0x0000000000453000-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:
f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exef88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exedescription pid process target process PID 1756 set thread context of 588 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 set thread context of 1644 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 set thread context of 1272 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe -
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
Processes:
f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exepid process 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exepid process 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exepid process 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exef88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exedescription pid process target process PID 1756 wrote to memory of 588 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 1756 wrote to memory of 588 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 1756 wrote to memory of 588 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 1756 wrote to memory of 588 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 1756 wrote to memory of 588 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 1756 wrote to memory of 588 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 1756 wrote to memory of 588 1756 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1644 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1644 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1644 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1644 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1644 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1644 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1644 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1644 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1644 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1272 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1272 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1272 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1272 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1272 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1272 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1272 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1272 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe PID 588 wrote to memory of 1272 588 f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe"C:\Users\Admin\AppData\Local\Temp\f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe"C:\Users\Admin\AppData\Local\Temp\f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe/scomma "C:\Users\Admin\AppData\Local\Temp\h9UmjJQyLE.ini"3⤵
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C:\Users\Admin\AppData\Local\Temp\f88e9104df99cf75c54e9ae5d0d05cb63a107c17b57ba2f04fb3c64ce3101f01.exe/scomma "C:\Users\Admin\AppData\Local\Temp\fBEBGg9SZd.ini"3⤵
- Accesses Microsoft Outlook accounts
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/588-71-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/588-80-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/588-56-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/588-58-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/588-60-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/588-61-0x0000000000401180-mapping.dmp
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memory/588-55-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1272-77-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/1272-74-0x000000000041C410-mapping.dmp
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memory/1272-79-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/1272-78-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/1272-73-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/1644-82-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1644-66-0x00000000004512E0-mapping.dmp
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memory/1644-65-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1644-72-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1644-70-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1644-81-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1644-69-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1756-54-0x00000000763A1000-0x00000000763A3000-memory.dmpFilesize
8KB