Analysis
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max time kernel
133s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 11:32
Static task
static1
Behavioral task
behavioral1
Sample
7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a.exe
Resource
win10v2004-20240508-en
General
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Target
7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a.exe
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Size
386KB
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MD5
b34124b3f04c97f7da56e97ae39a85c9
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SHA1
a10dfe5b613a7b14050e096069ff437c1f60f181
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SHA256
7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a
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SHA512
0b8bc61c06100a0fa9f305f418c7a6b19d3413bdedc2a82dd8c6ce5c74d979dcfa264c2aeda8b680d0af9b6605886ed6b9591c5a314f11e87483193e4e842bf6
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SSDEEP
6144:TcykrZfMtgEBXGx0Xy5gul0n4Qgf3ONjMMejZxxXx+0jTw3P:TcyktfW/tXZbgf3ONj7elxJw3P
Malware Config
Extracted
stealc
http://185.172.128.150
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url_path
/c698e1bc8a2f5e6d.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/3356-132-0x000001F9647F0000-0x000001F968024000-memory.dmp family_zgrat_v1 behavioral1/memory/3356-137-0x000001F96BFE0000-0x000001F96C0EA000-memory.dmp family_zgrat_v1 behavioral1/memory/3356-141-0x000001F96BE20000-0x000001F96BE44000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a.exe Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation u19k.1.exe -
Executes dropped EXE 2 IoCs
pid Process 3656 u19k.0.exe 5088 u19k.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3656 u19k.0.exe 3656 u19k.0.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 4940 1640 WerFault.exe 82 2056 3656 WerFault.exe 88 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u19k.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u19k.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u19k.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u19k.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u19k.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 3656 u19k.0.exe 3656 u19k.0.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3356 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 5088 u19k.1.exe 5088 u19k.1.exe 5088 u19k.1.exe 5088 u19k.1.exe 5088 u19k.1.exe 5088 u19k.1.exe 5088 u19k.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 5088 u19k.1.exe 5088 u19k.1.exe 5088 u19k.1.exe 5088 u19k.1.exe 5088 u19k.1.exe 5088 u19k.1.exe 5088 u19k.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1640 wrote to memory of 3656 1640 7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a.exe 88 PID 1640 wrote to memory of 3656 1640 7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a.exe 88 PID 1640 wrote to memory of 3656 1640 7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a.exe 88 PID 1640 wrote to memory of 5088 1640 7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a.exe 90 PID 1640 wrote to memory of 5088 1640 7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a.exe 90 PID 1640 wrote to memory of 5088 1640 7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a.exe 90 PID 5088 wrote to memory of 3356 5088 u19k.1.exe 95 PID 5088 wrote to memory of 3356 5088 u19k.1.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a.exe"C:\Users\Admin\AppData\Local\Temp\7cd8f983a0c866b3342061211e2d3cdd813095d64a3e9293352840573cb4c28a.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Users\Admin\AppData\Local\Temp\u19k.0.exe"C:\Users\Admin\AppData\Local\Temp\u19k.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3656 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 23723⤵
- Program crash
PID:2056
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C:\Users\Admin\AppData\Local\Temp\u19k.1.exe"C:\Users\Admin\AppData\Local\Temp\u19k.1.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3356
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 10362⤵
- Program crash
PID:4940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1640 -ip 16401⤵PID:3376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3656 -ip 36561⤵PID:2540
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
3KB
MD52eda2be1f6f6e97244582b5668a788ac
SHA135b22c77b1d8d19d65e39964266e4b0141b5a27f
SHA2569d0d89da9a2d8662e40cc423a88c7eff192e406323873091c0452e1a0b683761
SHA512217c0b71d85312818d63d6163ed30c3af19b83bd617200ad76ed63512427748254fafe2842595220e4999edd78b248342765804b4259dcde6236fc4d85cd4299
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Filesize
245KB
MD5c367bb32189579c56bf39dca67f62869
SHA18f82da4069c9ad6859a457b550369db21c284423
SHA2566bfc504449a39316188b90599aa225fef46e6be74d2283725f48bcb2860ec1ca
SHA512a69e2e46475f73fe8bde1ab58a1e48afac1bc7a5cb43093ebcde397cb4086e1f529fd38d534e8da5c0d268e66fe5836a25746f41cbd3293e54cd5dd8cc246dc5
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954