Analysis
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max time kernel
88s -
max time network
28s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
02-06-2023 04:47
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
fb5f000551.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
General
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Target
fb5f000551.exe
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Size
3.5MB
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MD5
ebb755f0469f5ca67cbcc39126fd182f
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SHA1
a9ade70b1d5be11742ced543023d3e12c12cf040
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SHA256
fb5f000551b368ce33386042f9d446bb683e93418217e7c996b0c3ef9b33787b
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SHA512
47096fec1fd571f931a7f5574c1981fbeb2b46bab56f04e618ecd074a1764eb3a2382bfed68d2d843382efcfef5f6d1dd5e29f0fdbdafbc897727328fe3bdf62
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SSDEEP
24576:qXCrFbF+oucEenJVMjWIzqS53NZS48Cifa3LnlbMIp1rsIWDKlPFct/8jwtxbWdz:Mu2dNWDmGSr79duGULeKFFrQd2g
Malware Config
Signatures
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.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
Processes:
resource yara_rule behavioral1/memory/1556-54-0x0000000000C80000-0x0000000001000000-memory.dmp net_reactor -
Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
Processes:
fb5f000551.exepid Process 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 528 1556 WerFault.exe 27 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
fb5f000551.exepid Process 1556 fb5f000551.exe 1556 fb5f000551.exe 1556 fb5f000551.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
fb5f000551.exedescription pid Process Token: SeDebugPrivilege 1556 fb5f000551.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
fb5f000551.exedescription pid Process procid_target PID 1556 wrote to memory of 528 1556 fb5f000551.exe 29 PID 1556 wrote to memory of 528 1556 fb5f000551.exe 29 PID 1556 wrote to memory of 528 1556 fb5f000551.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\fb5f000551.exe"C:\Users\Admin\AppData\Local\Temp\fb5f000551.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1556 -s 11122⤵
- Program crash
PID:528
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