Analysis
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max time kernel
134s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
05-05-2024 08:42
Static task
static1
Behavioral task
behavioral1
Sample
cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459.exe
Resource
win10v2004-20240419-en
General
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Target
cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459.exe
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Size
399KB
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MD5
ac69648ecafdb8995dfb2b39984a2b56
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SHA1
1a248b4428f700a85433aba4dd7f63b16e208784
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SHA256
cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459
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SHA512
7252e894ecb93781e0832338f4704b02b3a586d78d83f905bb778c53232a0ee7fc1c72a2ab3b2a241656ac363a2c9bb449bb33872445a742b9d6bd40bec8ca5a
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SSDEEP
6144:t5cRP0RY9yGmSTtwtdrh9tzQtegBxp/l5nDNSP0meoK6K:t5cRPL9vTivztzQtNxt5nDNS9VVK
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/376-64-0x000001CFC2C40000-0x000001CFC6538000-memory.dmp family_zgrat_v1 behavioral1/memory/376-98-0x000001CFE0E20000-0x000001CFE0F30000-memory.dmp family_zgrat_v1 behavioral1/memory/376-102-0x000001CFE0C30000-0x000001CFE0C54000-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-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459.exe Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation u3pk.1.exe -
Executes dropped EXE 2 IoCs
pid Process 1132 u3pk.0.exe 4172 u3pk.1.exe -
Loads dropped DLL 2 IoCs
pid Process 1132 u3pk.0.exe 1132 u3pk.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 1720 4808 WerFault.exe 82 2124 1132 WerFault.exe 96 -
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 u3pk.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3pk.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3pk.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3pk.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u3pk.0.exe -
Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 1132 u3pk.0.exe 1132 u3pk.0.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 u3pk.0.exe 1132 u3pk.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 376 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4172 u3pk.1.exe 4172 u3pk.1.exe 4172 u3pk.1.exe 4172 u3pk.1.exe 4172 u3pk.1.exe 4172 u3pk.1.exe 4172 u3pk.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4172 u3pk.1.exe 4172 u3pk.1.exe 4172 u3pk.1.exe 4172 u3pk.1.exe 4172 u3pk.1.exe 4172 u3pk.1.exe 4172 u3pk.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4808 wrote to memory of 1132 4808 cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459.exe 96 PID 4808 wrote to memory of 1132 4808 cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459.exe 96 PID 4808 wrote to memory of 1132 4808 cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459.exe 96 PID 4808 wrote to memory of 4172 4808 cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459.exe 98 PID 4808 wrote to memory of 4172 4808 cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459.exe 98 PID 4808 wrote to memory of 4172 4808 cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459.exe 98 PID 4172 wrote to memory of 376 4172 u3pk.1.exe 104 PID 4172 wrote to memory of 376 4172 u3pk.1.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459.exe"C:\Users\Admin\AppData\Local\Temp\cf0f85fe664eed3229baaccf2fac487ba0cc3dd3599d59b55f759e342a855459.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Users\Admin\AppData\Local\Temp\u3pk.0.exe"C:\Users\Admin\AppData\Local\Temp\u3pk.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1132 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1132 -s 23363⤵
- Program crash
PID:2124
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C:\Users\Admin\AppData\Local\Temp\u3pk.1.exe"C:\Users\Admin\AppData\Local\Temp\u3pk.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:4172 -
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:376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 11522⤵
- Program crash
PID:1720
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4808 -ip 48081⤵PID:5044
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1132 -ip 11321⤵PID:3020
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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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
275KB
MD59cfa509be156607807515017f1ff019e
SHA1d6ea3d4ec533b6ab9f255318aeb056d8a6394715
SHA256169e20d81a2cd35fa8228c6daefb957024e4c387645e859c25aa38fc6f08ad3c
SHA512217238b18f7cded22ed25dfa8613d8628b5b9a656b4e7a2868b79265ade77b4592264fdad02dee5796d953e1323ea8c7cda15703b47deace18672e34909e7334
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954