Analysis
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max time kernel
4294183s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20220223-en -
submitted
08-03-2022 19:17
Static task
static1
Behavioral task
behavioral1
Sample
4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe
Resource
win7-20220223-en
Behavioral task
behavioral2
Sample
4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe
Resource
win10v2004-en-20220112
General
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Target
4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe
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Size
260KB
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MD5
f2988c4c21b9b010d5020c1424cd46cf
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SHA1
352b9c4f5b156c1f760cf81f0839f4a9eaf5db9a
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SHA256
4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63
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SHA512
af8db6ed0feef84218f2734f92228c2315cb549fc88d00113880174525d82613600162c56c561f51f38e086490bd3cb9b85aabb39901ee3d59075e9a8d725f2f
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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NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/776-67-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 1 IoCs
resource yara_rule behavioral1/memory/776-67-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
resource yara_rule behavioral1/memory/960-56-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/960-59-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/960-60-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/776-63-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/776-66-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/776-67-0x0000000000400000-0x000000000041F000-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-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1096 set thread context of 960 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 27 PID 1096 set thread context of 776 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 30 -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1096 wrote to memory of 960 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 27 PID 1096 wrote to memory of 960 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 27 PID 1096 wrote to memory of 960 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 27 PID 1096 wrote to memory of 960 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 27 PID 1096 wrote to memory of 960 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 27 PID 1096 wrote to memory of 960 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 27 PID 1096 wrote to memory of 960 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 27 PID 1096 wrote to memory of 960 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 27 PID 1096 wrote to memory of 960 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 27 PID 1096 wrote to memory of 776 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 30 PID 1096 wrote to memory of 776 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 30 PID 1096 wrote to memory of 776 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 30 PID 1096 wrote to memory of 776 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 30 PID 1096 wrote to memory of 776 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 30 PID 1096 wrote to memory of 776 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 30 PID 1096 wrote to memory of 776 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 30 PID 1096 wrote to memory of 776 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 30 PID 1096 wrote to memory of 776 1096 4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe"C:\Users\Admin\AppData\Local\Temp\4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Users\Admin\AppData\Local\Temp\4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe/scomma "C:\Users\Admin\AppData\Local\Temp\ioJvTZDzCs.ini"2⤵PID:960
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C:\Users\Admin\AppData\Local\Temp\4160212ccad25b0ddd5fe75ab813a118abb84ffd55c7a54b2e625d3516812d63.exe/scomma "C:\Users\Admin\AppData\Local\Temp\UwDUavf9iQ.ini"2⤵
- Accesses Microsoft Outlook accounts
PID:776
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