Analysis
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max time kernel
125s -
max time network
128s -
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 07:56
Static task
static1
Behavioral task
behavioral1
Sample
283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe
Resource
win10v2004-20240426-en
General
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Target
283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe
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Size
372KB
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MD5
0548c8fb97a0beb199aafecc2be8acb4
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SHA1
d694cdfe61f922c4433d0549e5ff31e1c490bcab
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SHA256
283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46
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SHA512
aa36040a2f815f2eeb65041d6a3cd3acd7c62d17f1432ae87269fbdf6162b9d72f695d86af1aba8d1223080b4b8d7deea25b423d73e5b4219bcd8111ce029cbe
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SSDEEP
6144:oetK0xCObQ2fKaCJVeUg8gSX9THaaQJdHuU+7SH5t6VYTZfm/:oetKRixyaCWDORJQJdHuU+7SZtNZ+/
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/3748-134-0x0000021752F70000-0x00000217567A4000-memory.dmp family_zgrat_v1 behavioral2/memory/3748-135-0x0000021770F30000-0x000002177103A000-memory.dmp family_zgrat_v1 behavioral2/memory/3748-139-0x0000021770F00000-0x0000021770F24000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 4556 u3s0.0.exe 3848 u3s0.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4556 u3s0.0.exe 4556 u3s0.0.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 4904 4896 WerFault.exe 78 2932 4556 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 u3s0.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3s0.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3s0.1.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 u3s0.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3s0.0.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 4556 u3s0.0.exe 4556 u3s0.0.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3848 u3s0.1.exe 3848 u3s0.1.exe 3848 u3s0.1.exe 3848 u3s0.1.exe 3848 u3s0.1.exe 3848 u3s0.1.exe 3848 u3s0.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3848 u3s0.1.exe 3848 u3s0.1.exe 3848 u3s0.1.exe 3848 u3s0.1.exe 3848 u3s0.1.exe 3848 u3s0.1.exe 3848 u3s0.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4896 wrote to memory of 4556 4896 283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe 81 PID 4896 wrote to memory of 4556 4896 283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe 81 PID 4896 wrote to memory of 4556 4896 283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe 81 PID 4896 wrote to memory of 3848 4896 283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe 84 PID 4896 wrote to memory of 3848 4896 283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe 84 PID 4896 wrote to memory of 3848 4896 283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe 84 PID 3848 wrote to memory of 3748 3848 u3s0.1.exe 91 PID 3848 wrote to memory of 3748 3848 u3s0.1.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe"C:\Users\Admin\AppData\Local\Temp\283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Users\Admin\AppData\Local\Temp\u3s0.0.exe"C:\Users\Admin\AppData\Local\Temp\u3s0.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4556 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 24483⤵
- Program crash
PID:2932
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C:\Users\Admin\AppData\Local\Temp\u3s0.1.exe"C:\Users\Admin\AppData\Local\Temp\u3s0.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3848 -
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:3748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 11642⤵
- Program crash
PID:4904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4896 -ip 48961⤵PID:1524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4556 -ip 45561⤵PID:4892
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
MD590ed6cc6bb3774629359976bca7ee6d9
SHA189aebf09e3dc74bd35047acd8aeffe2e789ab604
SHA256711e140a458402c28ead086b09ded313b051aeea1ecabcb8160f70a2c785c7dc
SHA512b6f5f439f76541f8a5e464761ccd7fd196e73e1288ec5c1c1248adddcb0af038eba66210b2fbcdfbacb4401d34422978bf38cb0ed795c6350607a240e71501ba
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Filesize
230KB
MD5adaa7779ccd1879d9466706724ca2974
SHA1af546b538b5362ee19131e8d30b633c817417d15
SHA2567109bdc186a84c29affbe2882b747b8c32587ce4e8d4b39e770faa06d94431d8
SHA51296fa1c074b4f268393f17b400711898178ce8479272d5b6ca1405568dbe63cc618b46bfb5b80a8b97a7a796f6d4b60c3727beb2b2a13d7e749b3746b736bff87
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954