Analysis
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max time kernel
144s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
15/01/2024, 03:09
Behavioral task
behavioral1
Sample
d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe
Resource
win7-20231215-en
General
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Target
d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe
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Size
3.8MB
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MD5
8380e35dc946f11ed19253e553d60c0f
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SHA1
4e9dd3015208a25183865cd1c0d7bdc8db8b737e
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SHA256
d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4
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SHA512
ec9306e3defeb2811ab1b147568e1331ca2fb38b95b456a83696fb7486e3d0673fac27c19b62249d46658c7994429ca29a3a87ddde6874528213191411d5a692
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SSDEEP
98304:xoF+TcBaf4d2bU5SHwVOjsxqvItGrkpiXAlpVD4//fSKILO/0jHNaqp+DiGHMwij:xoF+TcBaf4d2bU5SHwVOjsxqvItGrkpT
Malware Config
Extracted
lumma
https://goddirtybrilliancece.fun/api
Signatures
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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/1640-1-0x0000000000340000-0x0000000000706000-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/1640-1-0x0000000000340000-0x0000000000706000-memory.dmp net_reactor -
Loads dropped DLL 1 IoCs
pid Process 1640 d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1640 set thread context of 1504 1640 d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe 97 -
Program crash 1 IoCs
pid pid_target Process procid_target 5052 1504 WerFault.exe 97 -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1640 wrote to memory of 1504 1640 d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe 97 PID 1640 wrote to memory of 1504 1640 d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe 97 PID 1640 wrote to memory of 1504 1640 d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe 97 PID 1640 wrote to memory of 1504 1640 d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe 97 PID 1640 wrote to memory of 1504 1640 d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe 97 PID 1640 wrote to memory of 1504 1640 d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe 97 PID 1640 wrote to memory of 1504 1640 d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe 97 PID 1640 wrote to memory of 1504 1640 d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe 97 PID 1640 wrote to memory of 1504 1640 d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe"C:\Users\Admin\AppData\Local\Temp\d730da5b598ffcddda0362bd012e675d26b4e30d7ff00501d02f6d76195641b4.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe2⤵PID:1504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1504 -s 10123⤵
- Program crash
PID:5052
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1504 -ip 15041⤵PID:1132
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
742KB
MD5544cd51a596619b78e9b54b70088307d
SHA14769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719