Analysis
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max time kernel
137s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 10:07
Static task
static1
Behavioral task
behavioral1
Sample
38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237.exe
Resource
win10v2004-20240419-en
General
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Target
38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237.exe
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Size
417KB
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MD5
0555b058b467a98642f269a4813ff842
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SHA1
e625fa04294d68a5deede8959a83cfeb8f8bff80
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SHA256
38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237
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SHA512
9d4875cdeaf814df36d30340f28bee221a6a6f6c486628f3f2f11a120f13221ae6f9d9ea27c80936144523f116aa1b51a5db73333d1875dc252be86b6f8c62a1
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SSDEEP
12288:0H9S9mUikIgN8hRxsG207aR7FPDROmjLtNeoDF:0d7mkRH7MJbjL5F
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/1132-63-0x0000016A58E40000-0x0000016A5C674000-memory.dmp family_zgrat_v1 behavioral1/memory/1132-64-0x0000016A77C30000-0x0000016A77D3A000-memory.dmp family_zgrat_v1 behavioral1/memory/1132-68-0x0000016A76C00000-0x0000016A76C24000-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 38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237.exe Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation u3wo.1.exe -
Executes dropped EXE 2 IoCs
pid Process 3540 u3wo.0.exe 4484 u3wo.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3540 u3wo.0.exe 3540 u3wo.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 3644 5064 WerFault.exe 84 3264 3540 WerFault.exe 100 -
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 u3wo.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3wo.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3wo.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 u3wo.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3wo.0.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3540 u3wo.0.exe 3540 u3wo.0.exe 3540 u3wo.0.exe 3540 u3wo.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4484 u3wo.1.exe 4484 u3wo.1.exe 4484 u3wo.1.exe 4484 u3wo.1.exe 4484 u3wo.1.exe 4484 u3wo.1.exe 4484 u3wo.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4484 u3wo.1.exe 4484 u3wo.1.exe 4484 u3wo.1.exe 4484 u3wo.1.exe 4484 u3wo.1.exe 4484 u3wo.1.exe 4484 u3wo.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5064 wrote to memory of 3540 5064 38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237.exe 100 PID 5064 wrote to memory of 3540 5064 38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237.exe 100 PID 5064 wrote to memory of 3540 5064 38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237.exe 100 PID 5064 wrote to memory of 4484 5064 38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237.exe 102 PID 5064 wrote to memory of 4484 5064 38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237.exe 102 PID 5064 wrote to memory of 4484 5064 38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237.exe 102 PID 4484 wrote to memory of 1132 4484 u3wo.1.exe 107 PID 4484 wrote to memory of 1132 4484 u3wo.1.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237.exe"C:\Users\Admin\AppData\Local\Temp\38feae3c8916d00891fd5338901a2798ad5ce6eb72b29c15515b3f2093e6c237.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Users\Admin\AppData\Local\Temp\u3wo.0.exe"C:\Users\Admin\AppData\Local\Temp\u3wo.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3540 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 19723⤵
- Program crash
PID:3264
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C:\Users\Admin\AppData\Local\Temp\u3wo.1.exe"C:\Users\Admin\AppData\Local\Temp\u3wo.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:4484 -
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:1132
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 12242⤵
- Program crash
PID:3644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5064 -ip 50641⤵PID:4168
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3540 -ip 35401⤵PID:3688
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
MD57c321b7b107d026778ef7296ed28ffca
SHA1b77791dd3a4bc0c3d208f38704864b72aba26f71
SHA2567431293c2322f599a82710bf15d659af5a04c16d9c1b665e640976d0fa8d2a9b
SHA5123f14b3c76ae918dcfcebdaf40552e955a06267ee2567ea6b4e0af26f45514cae03f594153fdebbac2735df89dfbe5edcb7694ef5881fe51fee1dccca34c52308
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Filesize
275KB
MD54d59827a760364256f740c2cad58d8f6
SHA15a8f9783ae132ffeff811601207ed7b92d7e38db
SHA25610b53636b794b111435f1213332cb9e36455457d51748f9057e893e0b93ca654
SHA5122acf56000787d5da0476b2959c189abdf01a8bef0badb38607f3d1a92ea42cc8564ef29684f73f49683fbc49d54d6a6e8e05c64d00ce931a45435b3590bb8f1f
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954