Analysis
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max time kernel
131s -
max time network
91s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 09:15
Static task
static1
Behavioral task
behavioral1
Sample
9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe
Resource
win7-20220812-en
General
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Target
9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe
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Size
275KB
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MD5
6d5f7b81e4d9f13d36154d90004b8613
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SHA1
99dc5390d5ace103ca823b7861515b207b2e4409
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SHA256
9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4
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SHA512
0764d47579177c6bb8aeb3fe746412d33fd32ce2cbebf6a4fe3557ae0fea7f74740dbdf3a8f5236853e8ddcfe1d78b9b03ad63ba38d8726b911641630bfb5fea
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SSDEEP
6144:phL+RZK7JeZk9t7cxx1IXgdggfNqsfzPV6NnwL:HL+fvZ+kpugVqezyn
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\36190\\73ED3.exe" 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe -
Executes dropped EXE 1 IoCs
pid Process 1260 B29.tmp -
resource yara_rule behavioral1/memory/576-55-0x0000000000400000-0x00000000004A8000-memory.dmp upx behavioral1/memory/2020-59-0x0000000000400000-0x00000000004A8000-memory.dmp upx behavioral1/memory/576-61-0x0000000000400000-0x00000000004A8000-memory.dmp upx behavioral1/memory/2040-65-0x0000000000400000-0x00000000004A8000-memory.dmp upx -
Loads dropped DLL 2 IoCs
pid Process 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Internet Explorer\D3F3\B29.tmp 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 576 wrote to memory of 2020 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 26 PID 576 wrote to memory of 2020 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 26 PID 576 wrote to memory of 2020 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 26 PID 576 wrote to memory of 2020 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 26 PID 576 wrote to memory of 2040 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 28 PID 576 wrote to memory of 2040 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 28 PID 576 wrote to memory of 2040 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 28 PID 576 wrote to memory of 2040 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 28 PID 576 wrote to memory of 1260 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 29 PID 576 wrote to memory of 1260 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 29 PID 576 wrote to memory of 1260 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 29 PID 576 wrote to memory of 1260 576 9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe"C:\Users\Admin\AppData\Local\Temp\9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:576 -
C:\Users\Admin\AppData\Local\Temp\9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exeC:\Users\Admin\AppData\Local\Temp\9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe startC:\Program Files (x86)\Internet Explorer\D3F3\B75.exe%C:\Program Files (x86)\Internet Explorer\D3F32⤵PID:2020
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C:\Users\Admin\AppData\Local\Temp\9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exeC:\Users\Admin\AppData\Local\Temp\9fa82d753f259fc080ae943c83432f76806011325018ff8dc4e9c70606737aa4.exe startC:\Program Files (x86)\90796\lvvm.exe%C:\Program Files (x86)\907962⤵PID:2040
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C:\Program Files (x86)\Internet Explorer\D3F3\B29.tmp"C:\Program Files (x86)\Internet Explorer\D3F3\B29.tmp"2⤵
- Executes dropped EXE
PID:1260
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
102KB
MD5f1485cafc15a02799025650dbfe4af1e
SHA16a76d472edb299f68ecd848c1d3c1f08767a39bd
SHA256d1b221cd94f7898bf0addb89cfe1206159961bd4cd48c0e394ef1acb682d7ad6
SHA5128396c786e18a9e56b207c0d0640ffa41f0879a2ed467e364d90e3dbb215229b576ff108804cd7d637317c5d32866f9ae69fb2302c030ef9bc57f1eac22563b2c
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Filesize
102KB
MD5f1485cafc15a02799025650dbfe4af1e
SHA16a76d472edb299f68ecd848c1d3c1f08767a39bd
SHA256d1b221cd94f7898bf0addb89cfe1206159961bd4cd48c0e394ef1acb682d7ad6
SHA5128396c786e18a9e56b207c0d0640ffa41f0879a2ed467e364d90e3dbb215229b576ff108804cd7d637317c5d32866f9ae69fb2302c030ef9bc57f1eac22563b2c
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Filesize
102KB
MD5f1485cafc15a02799025650dbfe4af1e
SHA16a76d472edb299f68ecd848c1d3c1f08767a39bd
SHA256d1b221cd94f7898bf0addb89cfe1206159961bd4cd48c0e394ef1acb682d7ad6
SHA5128396c786e18a9e56b207c0d0640ffa41f0879a2ed467e364d90e3dbb215229b576ff108804cd7d637317c5d32866f9ae69fb2302c030ef9bc57f1eac22563b2c