Analysis
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max time kernel
146s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
11/05/2024, 07:30
Static task
static1
Behavioral task
behavioral1
Sample
3b8be42eb0921c387cdb411178709ce1a93ddd436296bb790405ad106160ad8d.exe
Resource
win10v2004-20240426-en
General
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Target
3b8be42eb0921c387cdb411178709ce1a93ddd436296bb790405ad106160ad8d.exe
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Size
387KB
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MD5
9b71f2eb78a6d903b02b1d1f9c6baab9
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SHA1
041e7f6e9fab5fc8ab30a1e2d4b7e8afbc9adc15
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SHA256
3b8be42eb0921c387cdb411178709ce1a93ddd436296bb790405ad106160ad8d
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SHA512
bfcbb254fcfcb0f791993a5b2b0696cc1f67bc6bd12988db924e452ccf1c8f479f024a362a82481f89e4341051d6ba8a3e693765b0dc14a93c972f247676cda8
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SSDEEP
6144:mcLRRKWEpSMnqkuAExWH/Tc8tmfs9ooBXrtjqaIFwTDis:mcLRRB+Se1JExWfLmfsCG7HIWOs
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 behavioral2/memory/4172-108-0x000002A8A26F0000-0x000002A8A5F24000-memory.dmp family_zgrat_v1 behavioral2/memory/4172-137-0x000002A8C0660000-0x000002A8C076A000-memory.dmp family_zgrat_v1 behavioral2/memory/4172-142-0x000002A8C07B0000-0x000002A8C07D4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 2064 u20w.0.exe 3048 u20w.1.exe -
Loads dropped DLL 2 IoCs
pid Process 2064 u20w.0.exe 2064 u20w.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 1 IoCs
pid pid_target Process procid_target 5072 2624 WerFault.exe 79 -
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 u20w.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u20w.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u20w.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 u20w.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u20w.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2064 u20w.0.exe 2064 u20w.0.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4172 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3048 u20w.1.exe 3048 u20w.1.exe 3048 u20w.1.exe 3048 u20w.1.exe 3048 u20w.1.exe 3048 u20w.1.exe 3048 u20w.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3048 u20w.1.exe 3048 u20w.1.exe 3048 u20w.1.exe 3048 u20w.1.exe 3048 u20w.1.exe 3048 u20w.1.exe 3048 u20w.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2624 wrote to memory of 2064 2624 3b8be42eb0921c387cdb411178709ce1a93ddd436296bb790405ad106160ad8d.exe 80 PID 2624 wrote to memory of 2064 2624 3b8be42eb0921c387cdb411178709ce1a93ddd436296bb790405ad106160ad8d.exe 80 PID 2624 wrote to memory of 2064 2624 3b8be42eb0921c387cdb411178709ce1a93ddd436296bb790405ad106160ad8d.exe 80 PID 2624 wrote to memory of 3048 2624 3b8be42eb0921c387cdb411178709ce1a93ddd436296bb790405ad106160ad8d.exe 83 PID 2624 wrote to memory of 3048 2624 3b8be42eb0921c387cdb411178709ce1a93ddd436296bb790405ad106160ad8d.exe 83 PID 2624 wrote to memory of 3048 2624 3b8be42eb0921c387cdb411178709ce1a93ddd436296bb790405ad106160ad8d.exe 83 PID 3048 wrote to memory of 4172 3048 u20w.1.exe 88 PID 3048 wrote to memory of 4172 3048 u20w.1.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\3b8be42eb0921c387cdb411178709ce1a93ddd436296bb790405ad106160ad8d.exe"C:\Users\Admin\AppData\Local\Temp\3b8be42eb0921c387cdb411178709ce1a93ddd436296bb790405ad106160ad8d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Users\Admin\AppData\Local\Temp\u20w.0.exe"C:\Users\Admin\AppData\Local\Temp\u20w.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2064
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C:\Users\Admin\AppData\Local\Temp\u20w.1.exe"C:\Users\Admin\AppData\Local\Temp\u20w.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3048 -
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:4172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 15282⤵
- Program crash
PID:5072
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2624 -ip 26241⤵PID:2460
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
245KB
MD533bc221961c8365ec06fe86a4ab76709
SHA1af930ef0dbd96b4fb0c6ecd72ea5fe2fd77268f8
SHA2562874b873e12bcdfcf0a37708512e21637e38e5f5b9a2bf0c3b34f72d74c05708
SHA512957e92d7418dca60a34cdc8dd542a587003b8181be6eb19272a5e4065aa61fa43655f6cbaebc31ce4a778fcc0e4430993a6f35db73cc7b0d7140042ba835082e
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954