Analysis
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max time kernel
188s -
max time network
301s -
platform
windows10-1703_x64 -
resource
win10-20231220-en -
resource tags
arch:x64arch:x86image:win10-20231220-enlocale:en-usos:windows10-1703-x64system -
submitted
14/01/2024, 22:20
Behavioral task
behavioral1
Sample
528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe
Resource
win7-20231215-en
General
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Target
528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe
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Size
4.7MB
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MD5
8b16468a9d56af5f2b7d80234a3240de
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SHA1
93f2fe7568a87af505205988617a842d220fdbd3
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SHA256
528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5
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SHA512
6444134c9fb71c77597ef591d2cade88b84f836281c34ed5b61a96665061024a12e1eeeabcc97b348de06095445a60dc14783c32e79ada037f5906baa7b424fd
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SSDEEP
98304:h3DFrOOW+rsAZcMId6Jx3wwyRLFjverf1Wd:ZiGgweBk6
Malware Config
Extracted
lumma
https://goddirtybrilliancece.fun/api
Signatures
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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/928-1-0x0000000000720000-0x0000000000BDA000-memory.dmp family_zgrat_v1 -
.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/memory/928-1-0x0000000000720000-0x0000000000BDA000-memory.dmp net_reactor -
Loads dropped DLL 1 IoCs
pid Process 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 928 set thread context of 3332 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 73 -
Program crash 2 IoCs
pid pid_target Process procid_target 1920 3332 WerFault.exe 73 4604 3332 WerFault.exe 73 -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 928 wrote to memory of 4440 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 74 PID 928 wrote to memory of 4440 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 74 PID 928 wrote to memory of 4440 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 74 PID 928 wrote to memory of 3332 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 73 PID 928 wrote to memory of 3332 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 73 PID 928 wrote to memory of 3332 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 73 PID 928 wrote to memory of 3332 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 73 PID 928 wrote to memory of 3332 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 73 PID 928 wrote to memory of 3332 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 73 PID 928 wrote to memory of 3332 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 73 PID 928 wrote to memory of 3332 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 73 PID 928 wrote to memory of 3332 928 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe 73
Processes
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C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe"C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵PID:3332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 9323⤵
- Program crash
PID:1920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 9563⤵
- Program crash
PID:4604
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵PID:4440
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Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
742KB
MD5544cd51a596619b78e9b54b70088307d
SHA14769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719