Analysis
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max time kernel
106s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
28-11-2022 10:42
Static task
static1
Behavioral task
behavioral1
Sample
4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe
Resource
win10v2004-20220812-en
General
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Target
4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe
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Size
567KB
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MD5
481ed407e75685b552fc1fd9fb5eca38
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SHA1
5af33a34ce57af7387eb379e3d5ab8b450e5f3b0
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SHA256
4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae
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SHA512
c36e01cdc58991f0cddb7c80ad4bb06b18d95c09f8109b1b36e7343fc0705c9ded9f075d7e06f209d033e37aba17f7117c95741886f305f7c0cc9bc92fa8ab10
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SSDEEP
12288:odS/kWXb+BSC9GKhTej/NM7N2BMYAx7DrT6lnd1G7p:CScmkSC9Gx/NM7N2mYizZp
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/1812-62-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/1812-64-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/1812-65-0x0000000000401180-mapping.dmp family_isrstealer behavioral1/memory/1812-71-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/1812-88-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/2044-84-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/2044-85-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/2044-86-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2044-84-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/2044-85-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/2044-86-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
Processes:
resource yara_rule behavioral1/memory/1972-72-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1972-76-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1972-77-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1972-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2044-79-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2044-83-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2044-84-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2044-85-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2044-86-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1972-87-0x0000000000400000-0x0000000000453000-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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exevbc.exedescription pid process target process PID 564 set thread context of 1812 564 4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe vbc.exe PID 1812 set thread context of 1972 1812 vbc.exe vbc.exe PID 1812 set thread context of 2044 1812 vbc.exe vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exedescription pid process Token: SeDebugPrivilege 564 4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
vbc.exepid process 1812 vbc.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exevbc.exedescription pid process target process PID 564 wrote to memory of 1812 564 4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe vbc.exe PID 564 wrote to memory of 1812 564 4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe vbc.exe PID 564 wrote to memory of 1812 564 4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe vbc.exe PID 564 wrote to memory of 1812 564 4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe vbc.exe PID 564 wrote to memory of 1812 564 4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe vbc.exe PID 564 wrote to memory of 1812 564 4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe vbc.exe PID 564 wrote to memory of 1812 564 4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe vbc.exe PID 564 wrote to memory of 1812 564 4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe vbc.exe PID 1812 wrote to memory of 1972 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 1972 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 1972 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 1972 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 1972 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 1972 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 1972 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 1972 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 1972 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 2044 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 2044 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 2044 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 2044 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 2044 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 2044 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 2044 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 2044 1812 vbc.exe vbc.exe PID 1812 wrote to memory of 2044 1812 vbc.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.exe"C:\Users\Admin\AppData\Local\Temp\4ce1b099d3e0a4198602e797e38e3cf183edcf26c6c911a725146d41b7917eae.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\VK4eGNMnyx.ini"3⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe/scomma "C:\Users\Admin\AppData\Local\Temp\bdydtpXhYU.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/564-68-0x0000000074300000-0x00000000748AB000-memory.dmpFilesize
5.7MB
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memory/564-55-0x0000000074300000-0x00000000748AB000-memory.dmpFilesize
5.7MB
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memory/564-56-0x0000000074300000-0x00000000748AB000-memory.dmpFilesize
5.7MB
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memory/564-57-0x0000000000C16000-0x0000000000C27000-memory.dmpFilesize
68KB
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memory/564-58-0x0000000000C16000-0x0000000000C27000-memory.dmpFilesize
68KB
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memory/564-54-0x0000000075D01000-0x0000000075D03000-memory.dmpFilesize
8KB
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memory/564-69-0x0000000000C16000-0x0000000000C27000-memory.dmpFilesize
68KB
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memory/1812-71-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1812-64-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1812-65-0x0000000000401180-mapping.dmp
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memory/1812-62-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1812-60-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1812-59-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1812-88-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1972-77-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1972-76-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1972-72-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1972-78-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1972-87-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/1972-73-0x00000000004512E0-mapping.dmp
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memory/2044-80-0x000000000041C410-mapping.dmp
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memory/2044-79-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/2044-83-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/2044-84-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/2044-85-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
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memory/2044-86-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB