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Analysis
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max time kernel
152s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
04/12/2022, 02:43
Static task
static1
Behavioral task
behavioral1
Sample
917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a.exe
Resource
win10v2004-20220812-en
General
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Target
917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a.exe
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Size
167KB
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MD5
22305d9182ff93fa264af4a149e313a4
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SHA1
573de59562d5651b1983b3ae0bb4f4017aca186f
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SHA256
917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a
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SHA512
e05f44e06c62adba7887100e52d1ff10c85ad063790899568794ed9cfe8b89f581338899a3a41927e30a7f76b4b45a2028d98836e361cbf76dbc72aab6f813cd
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SSDEEP
3072:r1MS//RqkHiimZ/nfrkzgRjtldxIFKBC+:SeRq66DkcjdcKT
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 944 NETBIOS.EXE -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$RECYCLE.BIN\S-1-5-21-3385717845-2518323428-350143044-1000\DESKTOP.INI 917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a.exe File opened for modification C:\$RECYCLE.BIN\S-1-5-21-3385717845-2518323428-350143044-1000\DESKTOP.INI NETBIOS.EXE -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\WINDOWS\SysWOW64\NETBIOS.EXE 917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a.exe File opened for modification C:\WINDOWS\SysWOW64\sysl0gon.exe NETBIOS.EXE File opened for modification C:\WINDOWS\SysWOW64\sys9751.tmp NETBIOS.EXE File opened for modification C:\WINDOWS\SysWOW64\sysl0gon.exe 917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a.exe File opened for modification C:\WINDOWS\SysWOW64\sys92BF.tmp 917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a.exe File created C:\WINDOWS\SysWOW64\netbios.exe 917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a.exe File opened for modification C:\WINDOWS\SysWOW64\netbios.exe 917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a.exe"C:\Users\Admin\AppData\Local\Temp\917ea41b144f45b6bd90ec28298a7f2de5741016b70625ac5c6b0f6abdf3092a.exe"1⤵
- Drops desktop.ini file(s)
- Drops file in System32 directory
PID:1640
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C:\Windows\SysWOW64\NETBIOS.EXEC:\Windows\SysWOW64\NETBIOS.EXE1⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in System32 directory
PID:944
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
175KB
MD5e333da0c55f0d219767b512dd7e27c26
SHA12bfdc9e6f69febd75c00aef8c79cf389cea5c7d2
SHA25694dad27bbee0ef22c54ca524315209949caddd195b0fbf5a845e6f92c87474d6
SHA5122897e83d074256778eef59e59e65b7cd9b3aca5f61b8db5118a6fde0b31ff174fae6af082d0910e7ccbc17f0c24639361a359edc1d01cca2e5a96bd4c9320c18