Analysis
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max time kernel
138s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
06-05-2024 19:45
Static task
static1
Behavioral task
behavioral1
Sample
c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe
Resource
win10v2004-20240419-en
General
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Target
c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe
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Size
415KB
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MD5
dd7b85fa868acf5fa5e1758f074868c2
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SHA1
5a950c34b9375c44be7235f7310d891301fbdcd5
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SHA256
c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca
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SHA512
a5c24685b44f67eb1c2de108d18183acf82df3d9bfe2b2678af6a451b8af8d68cc58b305279aa0e7b3170cba860da23fd2133ebed38a66b8430fe2bc5e796aab
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SSDEEP
6144:P50SXOdGHuDgJrhcqwNlpOE7oXLp3FkOfU49bCs7LrkA8:qSXOdvDIXY7O9X13FknszkA8
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/5020-122-0x00000217C8B90000-0x00000217CC488000-memory.dmp family_zgrat_v1 behavioral1/memory/5020-123-0x00000217E7BD0000-0x00000217E7CE0000-memory.dmp family_zgrat_v1 behavioral1/memory/5020-127-0x00000217E7980000-0x00000217E79A4000-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-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation u3l0.1.exe -
Executes dropped EXE 2 IoCs
pid Process 408 u3l0.0.exe 4720 u3l0.1.exe -
Loads dropped DLL 2 IoCs
pid Process 408 u3l0.0.exe 408 u3l0.0.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 1448 4644 WerFault.exe 84 4040 408 WerFault.exe 88 -
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 u3l0.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3l0.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3l0.1.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 u3l0.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3l0.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 408 u3l0.0.exe 408 u3l0.0.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 408 u3l0.0.exe 408 u3l0.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5020 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4720 u3l0.1.exe 4720 u3l0.1.exe 4720 u3l0.1.exe 4720 u3l0.1.exe 4720 u3l0.1.exe 4720 u3l0.1.exe 4720 u3l0.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4720 u3l0.1.exe 4720 u3l0.1.exe 4720 u3l0.1.exe 4720 u3l0.1.exe 4720 u3l0.1.exe 4720 u3l0.1.exe 4720 u3l0.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4644 wrote to memory of 408 4644 c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe 88 PID 4644 wrote to memory of 408 4644 c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe 88 PID 4644 wrote to memory of 408 4644 c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe 88 PID 4644 wrote to memory of 4720 4644 c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe 100 PID 4644 wrote to memory of 4720 4644 c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe 100 PID 4644 wrote to memory of 4720 4644 c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe 100 PID 4720 wrote to memory of 5020 4720 u3l0.1.exe 107 PID 4720 wrote to memory of 5020 4720 u3l0.1.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe"C:\Users\Admin\AppData\Local\Temp\c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Users\Admin\AppData\Local\Temp\u3l0.0.exe"C:\Users\Admin\AppData\Local\Temp\u3l0.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:408 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 23523⤵
- Program crash
PID:4040
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C:\Users\Admin\AppData\Local\Temp\u3l0.1.exe"C:\Users\Admin\AppData\Local\Temp\u3l0.1.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:4720 -
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:5020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 11642⤵
- Program crash
PID:1448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4644 -ip 46441⤵PID:552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 408 -ip 4081⤵PID:4468
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
281KB
MD51d04ff520d8adc764737cf309ebdb6af
SHA12925972bd8d43c24cdedff8542e0734765ea9fe8
SHA256b9a9e7af93e1bfe5405f6eece72fd71f81c5d946c7d964a0eb66a22342e0dd70
SHA51298d5243bbd749a65acbf4f9b7caa86a71d3dc11f34bd42b49bb56e3694dec606ada877aad51fc6597d5b59cd66e2926b0d2afad428049ab3e66d38d4445533ba
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954