Analysis
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max time kernel
118s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
12-02-2024 03:54
Static task
static1
Behavioral task
behavioral1
Sample
5c26e89aec6aa01ff423ead562a010de523565035992b4b6675747b69ac2e6ad.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
5c26e89aec6aa01ff423ead562a010de523565035992b4b6675747b69ac2e6ad.exe
Resource
win10v2004-20231215-en
General
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Target
5c26e89aec6aa01ff423ead562a010de523565035992b4b6675747b69ac2e6ad.exe
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Size
473KB
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MD5
70ac96d1219c3f70b75ffeb5becc1b87
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SHA1
a24fef4b70d971c3b23888c3cba62689b851b38d
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SHA256
5c26e89aec6aa01ff423ead562a010de523565035992b4b6675747b69ac2e6ad
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SHA512
d4a590bd830fa2d9ad86dd4d1251ac4b06e80bf9a7d5e1309cac61d37ae48bdcdf163f82569f20e9a8aee0a8fb5e0bb5df98040467a2764acd3dccb3effc4dc4
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SSDEEP
12288:Bh1Fk70TnvjcqvZOKvxwYWprwZXYJvnIPRz3LbiF:jk70TrcUZB5XwrwZmnYz3/e
Malware Config
Signatures
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Detects executables packed with unregistered version of .NET Reactor 3 IoCs
resource yara_rule behavioral1/memory/1732-1-0x0000000001EC0000-0x0000000001F1C000-memory.dmp INDICATOR_EXE_Packed_DotNetReactor behavioral1/memory/1732-3-0x00000000049B0000-0x00000000049F0000-memory.dmp INDICATOR_EXE_Packed_DotNetReactor behavioral1/memory/1732-4-0x0000000002070000-0x00000000020CA000-memory.dmp INDICATOR_EXE_Packed_DotNetReactor -
Program crash 1 IoCs
pid pid_target Process procid_target 2532 1732 WerFault.exe 27 -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1732 wrote to memory of 2532 1732 5c26e89aec6aa01ff423ead562a010de523565035992b4b6675747b69ac2e6ad.exe 29 PID 1732 wrote to memory of 2532 1732 5c26e89aec6aa01ff423ead562a010de523565035992b4b6675747b69ac2e6ad.exe 29 PID 1732 wrote to memory of 2532 1732 5c26e89aec6aa01ff423ead562a010de523565035992b4b6675747b69ac2e6ad.exe 29 PID 1732 wrote to memory of 2532 1732 5c26e89aec6aa01ff423ead562a010de523565035992b4b6675747b69ac2e6ad.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\5c26e89aec6aa01ff423ead562a010de523565035992b4b6675747b69ac2e6ad.exe"C:\Users\Admin\AppData\Local\Temp\5c26e89aec6aa01ff423ead562a010de523565035992b4b6675747b69ac2e6ad.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 5962⤵
- Program crash
PID:2532
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