Analysis
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max time kernel
148s -
max time network
150s -
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 13:15
Static task
static1
Behavioral task
behavioral1
Sample
fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe
Resource
win10v2004-20240419-en
General
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Target
fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe
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Size
407KB
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MD5
949d905382fd03c15825348fa052a36a
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SHA1
74a845bfc0bff6f55612862a931e581ac88daaa3
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SHA256
fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6
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SHA512
3d7bcdeb80e33cae0c8a48c9b165ae94d6f71222cc41de6ac68c9facacffdb0bdc07301cb35e74fbdacdfb5431bfd43b29968bce14409130633cda722af96bd0
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SSDEEP
6144:TRJCasp2zJZshZ3ZBtPeWNk/GW5qqSODl+40hwxs:uaVYPnYAqwp2xs
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/748-96-0x00000240E94B0000-0x00000240ECCE4000-memory.dmp family_zgrat_v1 behavioral1/memory/748-103-0x00000240EF650000-0x00000240EF75A000-memory.dmp family_zgrat_v1 behavioral1/memory/748-110-0x00000240EE9C0000-0x00000240EE9E4000-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 fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation u36w.1.exe -
Executes dropped EXE 2 IoCs
pid Process 2788 u36w.0.exe 2724 u36w.1.exe -
Loads dropped DLL 2 IoCs
pid Process 2788 u36w.0.exe 2788 u36w.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 1648 4136 WerFault.exe 82 5052 2788 WerFault.exe 93 -
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 u36w.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u36w.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u36w.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 u36w.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u36w.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2788 u36w.0.exe 2788 u36w.0.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2788 u36w.0.exe 2788 u36w.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2724 u36w.1.exe 2724 u36w.1.exe 2724 u36w.1.exe 2724 u36w.1.exe 2724 u36w.1.exe 2724 u36w.1.exe 2724 u36w.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2724 u36w.1.exe 2724 u36w.1.exe 2724 u36w.1.exe 2724 u36w.1.exe 2724 u36w.1.exe 2724 u36w.1.exe 2724 u36w.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4136 wrote to memory of 2788 4136 fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe 93 PID 4136 wrote to memory of 2788 4136 fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe 93 PID 4136 wrote to memory of 2788 4136 fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe 93 PID 4136 wrote to memory of 2724 4136 fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe 95 PID 4136 wrote to memory of 2724 4136 fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe 95 PID 4136 wrote to memory of 2724 4136 fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe 95 PID 2724 wrote to memory of 748 2724 u36w.1.exe 100 PID 2724 wrote to memory of 748 2724 u36w.1.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe"C:\Users\Admin\AppData\Local\Temp\fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4136 -
C:\Users\Admin\AppData\Local\Temp\u36w.0.exe"C:\Users\Admin\AppData\Local\Temp\u36w.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2788 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 23203⤵
- Program crash
PID:5052
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C:\Users\Admin\AppData\Local\Temp\u36w.1.exe"C:\Users\Admin\AppData\Local\Temp\u36w.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:2724 -
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:748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 15242⤵
- Program crash
PID:1648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4136 -ip 41361⤵PID:1520
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2788 -ip 27881⤵PID:1296
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
3KB
MD5a2cd0fedca6da56d6f7901816093052f
SHA14033e7930dba45f7715adc7297901cebd76c5780
SHA25639beaf20244860e35f6a04cd392867b7f2099bc8e4f8cd4dd4333f61a2c46593
SHA512f9fec0854fe436404a512d8177660c4abb262af1d755aa564e4ac007f5967babae58bf3787c55240cdfbcbe865a7ebaf47e257c9e2697d414314d98d987b6c83
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Filesize
266KB
MD590a0c06e1263e06041273847eb153af6
SHA1bce52648d68c64eaf2e4213f8d43d5b6f32c78d5
SHA25699b0b508a7c79af7fa71aa025fa4c9c5cb7ca6b13e5f7a1d213f2ee2853f8789
SHA5128d1ee4bd74fe35f6fd18d2cbdc7115aba197d5e883dc3123dfcc7582baf790b8221608fcff746795eaa481c13010247bfcae64d2ded14f08cca90e3b6a87349c
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954