Analysis
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max time kernel
147s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
05-05-2024 11:16
Static task
static1
Behavioral task
behavioral1
Sample
8018c0376d21a4b19065cde803bc7499f52b6e207e63b6ae7de7225633ac7024.exe
Resource
win10v2004-20240426-en
General
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Target
8018c0376d21a4b19065cde803bc7499f52b6e207e63b6ae7de7225633ac7024.exe
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Size
399KB
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MD5
f56c6ba0ee3f08997a03c6b06156fb5b
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SHA1
262ef6fe4ff3f2508ae6bb21d5e7720eece2fd78
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SHA256
8018c0376d21a4b19065cde803bc7499f52b6e207e63b6ae7de7225633ac7024
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SHA512
7bde5c2bdb45436826cd718aa23bd87fe110f294cecb548c92483ae366653ff7c82cec842e079458736e077d8023472284e21cd4e71f4913f178631d4eb82115
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SSDEEP
6144:SFcRe/HdSRfTrh/Tzo8tDrN0J5M9GVLiBufeQRWH+pQZmKKc4:SFcRukH9TnNk5M9GEQeFepyr/4
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/4280-124-0x000001F9E75C0000-0x000001F9EAEB8000-memory.dmp family_zgrat_v1 behavioral2/memory/4280-128-0x000001F9ED730000-0x000001F9ED840000-memory.dmp family_zgrat_v1 behavioral2/memory/4280-132-0x000001F9ED410000-0x000001F9ED434000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 4872 u2z4.0.exe 3368 u2z4.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4872 u2z4.0.exe 4872 u2z4.0.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 2500 3856 WerFault.exe 78 248 4872 WerFault.exe 80 -
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 u2z4.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2z4.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2z4.1.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 u2z4.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2z4.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4872 u2z4.0.exe 4872 u2z4.0.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4872 u2z4.0.exe 4872 u2z4.0.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4280 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3368 u2z4.1.exe 3368 u2z4.1.exe 3368 u2z4.1.exe 3368 u2z4.1.exe 3368 u2z4.1.exe 3368 u2z4.1.exe 3368 u2z4.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3368 u2z4.1.exe 3368 u2z4.1.exe 3368 u2z4.1.exe 3368 u2z4.1.exe 3368 u2z4.1.exe 3368 u2z4.1.exe 3368 u2z4.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3856 wrote to memory of 4872 3856 8018c0376d21a4b19065cde803bc7499f52b6e207e63b6ae7de7225633ac7024.exe 80 PID 3856 wrote to memory of 4872 3856 8018c0376d21a4b19065cde803bc7499f52b6e207e63b6ae7de7225633ac7024.exe 80 PID 3856 wrote to memory of 4872 3856 8018c0376d21a4b19065cde803bc7499f52b6e207e63b6ae7de7225633ac7024.exe 80 PID 3856 wrote to memory of 3368 3856 8018c0376d21a4b19065cde803bc7499f52b6e207e63b6ae7de7225633ac7024.exe 83 PID 3856 wrote to memory of 3368 3856 8018c0376d21a4b19065cde803bc7499f52b6e207e63b6ae7de7225633ac7024.exe 83 PID 3856 wrote to memory of 3368 3856 8018c0376d21a4b19065cde803bc7499f52b6e207e63b6ae7de7225633ac7024.exe 83 PID 3368 wrote to memory of 4280 3368 u2z4.1.exe 89 PID 3368 wrote to memory of 4280 3368 u2z4.1.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\8018c0376d21a4b19065cde803bc7499f52b6e207e63b6ae7de7225633ac7024.exe"C:\Users\Admin\AppData\Local\Temp\8018c0376d21a4b19065cde803bc7499f52b6e207e63b6ae7de7225633ac7024.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Users\Admin\AppData\Local\Temp\u2z4.0.exe"C:\Users\Admin\AppData\Local\Temp\u2z4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4872 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 24443⤵
- Program crash
PID:248
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C:\Users\Admin\AppData\Local\Temp\u2z4.1.exe"C:\Users\Admin\AppData\Local\Temp\u2z4.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3368 -
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:4280
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 11602⤵
- Program crash
PID:2500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3856 -ip 38561⤵PID:1152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4872 -ip 48721⤵PID:1860
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
2KB
MD509450b8ef4dacfb05b85378fbd76b27d
SHA170b130bdd6caf865d7599eb118620967b3f157a5
SHA256c9e2420d50e6c2b6deddf5577f79b91165ae18a303ff89c45a6e600754c85d83
SHA512509cef6a8fe04b0abd2c63d1ca7d018b4b7efc0ced8feb08e2571192c09c498841454d99eee2fcf6ed458e1e952354d78dde69ad073b6f1a6400f627a047420b
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Filesize
3KB
MD500250a7f2a85da45bae520e9ac0704bf
SHA1fd6357032a89aebd649ba5288807b5023c44dff4
SHA2564ac1eb463fee813b3fc7b86278d9525aa9b7e9b3cbb81bdc2268c802985bb468
SHA512b90aa427bb5df61ea9c037d696bf70f20d36145a893d1ca049369835520bf6a41a4e73ef17f2b97150525f2263e60462c7fcb9b8b1f1b833e591652903b2bf0d
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Filesize
276KB
MD598a58ec7618acfa1d2f50edb0f3579d8
SHA1101a5bd2b8ed8988a50783612738a6e280a5435d
SHA25677933ec55d7b24af9155281a1d5b57b28bb42ed96700a0aee53387c44860cec3
SHA512ac80ac103047c0e4633f2e12e86429f41497b5ad95477d95b8dbaafdab24fc1a8762f4dbd02ee680c30d1ab130cf37a6e5ba5adb9d466643e05f405f6a716c1f
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954