Analysis
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max time kernel
91s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 18:24
Behavioral task
behavioral1
Sample
0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe
Resource
win10v2004-20220901-en
General
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Target
0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe
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Size
1012KB
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MD5
8807ef7bf3e5259c6ce9cb1eb168c77b
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SHA1
d44898854fbacacba34f064d57c4fa88223a6747
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SHA256
0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282
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SHA512
756ce8d1db71e0c15c77521357b631f7ad7e79b465b3d34c9c9e7bc5d57404740c07bc0db9fea29d5b0e6131f23e41ffa9531c5e902bd8a5e611743fb74d5b66
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SSDEEP
24576:Q6gh1zkTrXaiSjhbEngC8v48ZKSUL3hxG1K0gDzfTvTB0UJk4u4Qz5/CmWLX7U:rQniSjhbEgCcZKpdv9VW40zVUL
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
Processes:
resource yara_rule behavioral2/memory/4180-135-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/4180-146-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/4180-155-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/4180-156-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3704-152-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral2/memory/3704-153-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral2/memory/3704-154-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3704-152-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral2/memory/3704-153-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral2/memory/3704-154-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
Processes:
resource yara_rule behavioral2/memory/3172-141-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3172-143-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3172-144-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3172-145-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3704-149-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3704-151-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3704-152-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3704-153-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3704-154-0x0000000000400000-0x000000000041F000-memory.dmp upx -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exevbc.exedescription pid process target process PID 3144 set thread context of 4180 3144 0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe vbc.exe PID 4180 set thread context of 3172 4180 vbc.exe vbc.exe PID 4180 set thread context of 3704 4180 vbc.exe vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exedescription pid process Token: SeDebugPrivilege 3144 0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
vbc.exepid process 4180 vbc.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exevbc.exedescription pid process target process PID 3144 wrote to memory of 4180 3144 0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe vbc.exe PID 3144 wrote to memory of 4180 3144 0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe vbc.exe PID 3144 wrote to memory of 4180 3144 0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe vbc.exe PID 3144 wrote to memory of 4180 3144 0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe vbc.exe PID 3144 wrote to memory of 4180 3144 0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe vbc.exe PID 3144 wrote to memory of 4180 3144 0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe vbc.exe PID 3144 wrote to memory of 4180 3144 0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe vbc.exe PID 4180 wrote to memory of 3172 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3172 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3172 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3172 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3172 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3172 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3172 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3172 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3704 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3704 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3704 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3704 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3704 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3704 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3704 4180 vbc.exe vbc.exe PID 4180 wrote to memory of 3704 4180 vbc.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe"C:\Users\Admin\AppData\Local\Temp\0c328b00fd4cad09fafcacfb8fa6d5c4d93368a4f4d5447761750277dc008282.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe/scomma "C:\Users\Admin\AppData\Local\Temp\ZKXxFb6FYP.ini"3⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe/scomma "C:\Users\Admin\AppData\Local\Temp\3PSs2jsepE.ini"3⤵
- Accesses Microsoft Outlook accounts
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\ZKXxFb6FYP.iniFilesize
5B
MD5d1ea279fb5559c020a1b4137dc4de237
SHA1db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3
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memory/3144-133-0x0000000075320000-0x00000000758D1000-memory.dmpFilesize
5.7MB
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memory/3144-132-0x0000000075320000-0x00000000758D1000-memory.dmpFilesize
5.7MB
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memory/3144-139-0x0000000075320000-0x00000000758D1000-memory.dmpFilesize
5.7MB
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memory/3172-145-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/3172-140-0x0000000000000000-mapping.dmp
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memory/3172-141-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/3172-143-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/3172-144-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/3704-152-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/3704-149-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/3704-148-0x0000000000000000-mapping.dmp
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memory/3704-151-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/3704-153-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/3704-154-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/4180-146-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4180-135-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4180-134-0x0000000000000000-mapping.dmp
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memory/4180-155-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4180-156-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB