Analysis
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max time kernel
124s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
11-05-2024 09:00
Static task
static1
Behavioral task
behavioral1
Sample
5604ab1419689c7e5ec3fb1e356d32efb0da9c5b8fbe6618df9215aeb4ef01c1.exe
Resource
win10v2004-20240426-en
General
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Target
5604ab1419689c7e5ec3fb1e356d32efb0da9c5b8fbe6618df9215aeb4ef01c1.exe
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Size
387KB
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MD5
531726e1088caad8ac59bb6c35ff71c2
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SHA1
ee2709ecdcb536b05a22b993b829b4ea672959c2
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SHA256
5604ab1419689c7e5ec3fb1e356d32efb0da9c5b8fbe6618df9215aeb4ef01c1
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SHA512
a5370156d2eb91b12f3412f90a6f1b702da1b4d4bcf2c6920dd40a0ce977d818642f388164af54d576ebe73aee72b9ac7feacc97526b94ed27b432f43a91a57c
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SSDEEP
6144:HclsoLz0jzrOMX0kEwzU31zImLUKkOFyV9WYpcAjTPM:Hclso/0PriWi1zImobQ+XPM
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/3036-125-0x000001A5A6B00000-0x000001A5AA334000-memory.dmp family_zgrat_v1 behavioral2/memory/3036-129-0x000001A5C4AC0000-0x000001A5C4BCA000-memory.dmp family_zgrat_v1 behavioral2/memory/3036-133-0x000001A5C4980000-0x000001A5C49A4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3052 u3u8.0.exe 1680 u3u8.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3052 u3u8.0.exe 3052 u3u8.0.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 1468 4976 WerFault.exe 78 1240 3052 WerFault.exe 81 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3u8.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3u8.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3u8.1.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 u3u8.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3u8.0.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 3052 u3u8.0.exe 3052 u3u8.0.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1680 u3u8.1.exe 1680 u3u8.1.exe 1680 u3u8.1.exe 1680 u3u8.1.exe 1680 u3u8.1.exe 1680 u3u8.1.exe 1680 u3u8.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1680 u3u8.1.exe 1680 u3u8.1.exe 1680 u3u8.1.exe 1680 u3u8.1.exe 1680 u3u8.1.exe 1680 u3u8.1.exe 1680 u3u8.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4976 wrote to memory of 3052 4976 5604ab1419689c7e5ec3fb1e356d32efb0da9c5b8fbe6618df9215aeb4ef01c1.exe 81 PID 4976 wrote to memory of 3052 4976 5604ab1419689c7e5ec3fb1e356d32efb0da9c5b8fbe6618df9215aeb4ef01c1.exe 81 PID 4976 wrote to memory of 3052 4976 5604ab1419689c7e5ec3fb1e356d32efb0da9c5b8fbe6618df9215aeb4ef01c1.exe 81 PID 4976 wrote to memory of 1680 4976 5604ab1419689c7e5ec3fb1e356d32efb0da9c5b8fbe6618df9215aeb4ef01c1.exe 84 PID 4976 wrote to memory of 1680 4976 5604ab1419689c7e5ec3fb1e356d32efb0da9c5b8fbe6618df9215aeb4ef01c1.exe 84 PID 4976 wrote to memory of 1680 4976 5604ab1419689c7e5ec3fb1e356d32efb0da9c5b8fbe6618df9215aeb4ef01c1.exe 84 PID 1680 wrote to memory of 3036 1680 u3u8.1.exe 89 PID 1680 wrote to memory of 3036 1680 u3u8.1.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\5604ab1419689c7e5ec3fb1e356d32efb0da9c5b8fbe6618df9215aeb4ef01c1.exe"C:\Users\Admin\AppData\Local\Temp\5604ab1419689c7e5ec3fb1e356d32efb0da9c5b8fbe6618df9215aeb4ef01c1.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Users\Admin\AppData\Local\Temp\u3u8.0.exe"C:\Users\Admin\AppData\Local\Temp\u3u8.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3052 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 24443⤵
- Program crash
PID:1240
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C:\Users\Admin\AppData\Local\Temp\u3u8.1.exe"C:\Users\Admin\AppData\Local\Temp\u3u8.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1680 -
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:3036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 15322⤵
- Program crash
PID:1468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4976 -ip 49761⤵PID:4880
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3052 -ip 30521⤵PID:1740
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
MD5615c8c163982803ca11ea06b1488de75
SHA121777fb7beded688ebae24ee344ab066af907b37
SHA256b6c4f4f7783bd6169376b034a4bf880f654827e8553dd971d4c271c667589c64
SHA512fb1e0d9c834a7e74ca022d6272d342938de7176f2f2b5a7729f737345c87548718e302024b123d2cfbb040e9a3b50dc6ff03d937a68fc2c9348f029890e0ded1
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Filesize
245KB
MD5e975a0eae2991f1e4c995d7a4e3ffd79
SHA190ca4c9586bf9d7a19312228b1fbba7dace29fc4
SHA256b00335a75190fd3b930329adf19c93b483975cb24cc056bea62b0ef359abe3fa
SHA512843e70b2ed07a7487c45471999cf521dd6d9e2049be013c2e57f0d6e14dfbda9cb97a324413d8bdcd13d3bf6e8f484f2ab89a541c92550f430d081e2434c919a
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954