Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
10-05-2024 05:35
Static task
static1
Behavioral task
behavioral1
Sample
fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe
Resource
win10v2004-20240508-en
General
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Target
fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe
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Size
371KB
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MD5
e4329dee0206036f75440ca8e71cdc08
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SHA1
a1567ba91f2d6280dba52cc991896a41153c5675
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SHA256
fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793
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SHA512
8fc4f792fa6caa466b12a024270944c24038adf2220399c19e10aacb11e52112a12197563b84a5672a17440080c8d7f6000a652998b817cc779bed98438576c2
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SSDEEP
6144:aURdZSI5nrUscjLhfKpWrx+5nvyIuT/GODYYTJm6:aU7ZSI5ELkpixsnluT/GOnk6
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/4048-131-0x0000025952E90000-0x00000259566C4000-memory.dmp family_zgrat_v1 behavioral2/memory/4048-132-0x0000025971040000-0x000002597114A000-memory.dmp family_zgrat_v1 behavioral2/memory/4048-136-0x0000025970F90000-0x0000025970FB4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 484 u3a8.0.exe 2952 u3a8.1.exe -
Loads dropped DLL 2 IoCs
pid Process 484 u3a8.0.exe 484 u3a8.0.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 3884 4256 WerFault.exe 78 3764 484 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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3a8.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3a8.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3a8.1.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 u3a8.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3a8.0.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 484 u3a8.0.exe 484 u3a8.0.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4048 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2952 u3a8.1.exe 2952 u3a8.1.exe 2952 u3a8.1.exe 2952 u3a8.1.exe 2952 u3a8.1.exe 2952 u3a8.1.exe 2952 u3a8.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2952 u3a8.1.exe 2952 u3a8.1.exe 2952 u3a8.1.exe 2952 u3a8.1.exe 2952 u3a8.1.exe 2952 u3a8.1.exe 2952 u3a8.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4256 wrote to memory of 484 4256 fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe 81 PID 4256 wrote to memory of 484 4256 fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe 81 PID 4256 wrote to memory of 484 4256 fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe 81 PID 4256 wrote to memory of 2952 4256 fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe 84 PID 4256 wrote to memory of 2952 4256 fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe 84 PID 4256 wrote to memory of 2952 4256 fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe 84 PID 2952 wrote to memory of 4048 2952 u3a8.1.exe 91 PID 2952 wrote to memory of 4048 2952 u3a8.1.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe"C:\Users\Admin\AppData\Local\Temp\fa6b324d5c47965794efa60364058c6e347a8b2693a888bd7bc42a9fdb314793.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4256 -
C:\Users\Admin\AppData\Local\Temp\u3a8.0.exe"C:\Users\Admin\AppData\Local\Temp\u3a8.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:484 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 484 -s 25083⤵
- Program crash
PID:3764
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C:\Users\Admin\AppData\Local\Temp\u3a8.1.exe"C:\Users\Admin\AppData\Local\Temp\u3a8.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2952 -
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:4048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 14762⤵
- Program crash
PID:3884
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4256 -ip 42561⤵PID:4672
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 484 -ip 4841⤵PID:1612
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
MD5b093bfb6e98c26b0c715752fde0d99cd
SHA1140c9133107dc7b3af902ee2144cfadf2382530e
SHA256460d3a52a7d2cdf39e77bd6b429616b3257366a89fb04311c0fbb4712e39a836
SHA512d92aa468df43d394c37e2c957fba7733d5f79f161f37aaa56b69019457d19bd9511d0eb725cbd0b7ba797900b3f49da3f9700eb13782c12b377338f82679b5f0
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Filesize
230KB
MD5ccd572a3007d968e7fc7530b369bdcf6
SHA172e0464b18e45f75f194cc5ae6f7d59e2f2d8ca6
SHA25684f2c0f4db7d4f3faf88fe9fb75829b4d480f936929591df7e5b22846dcb5777
SHA512b977c3cabfce519c49dad3274c6927f03bec5b502d1bde6fbfc3ebe22880434c6bcb5a19f7d0987328ff71502642680b07cb89435f5a7aafb70261fd3c2b7ebc
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954