Analysis
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max time kernel
134s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 07:31
Static task
static1
Behavioral task
behavioral1
Sample
9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661.exe
Resource
win10v2004-20240426-en
General
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Target
9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661.exe
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Size
387KB
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MD5
ac78d0e4c63e953e56cd60d2ef84dc6c
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SHA1
2c78f075eae22a904f0f55aa3cdd3b54bf0eff44
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SHA256
9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661
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SHA512
6c352f0dbc25931d9bbe0a555f8576f062fbeca1275b767be08ecf6b234f8cb4896204d16bc416ad48a967ccb36624e4fd1959e31a1298b4b44f1ee87ac6556d
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SSDEEP
6144:mcLRRKWEpSMnqkuAExWH/Tc8tmfs9ooBXrtjqaIFwTDio:mcLRRB+Se1JExWfLmfsCG7HIWOo
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/2128-140-0x000001F527CB0000-0x000001F52B4E4000-memory.dmp family_zgrat_v1 behavioral1/memory/2128-141-0x000001F545E90000-0x000001F545F9A000-memory.dmp family_zgrat_v1 behavioral1/memory/2128-145-0x000001F52D1A0000-0x000001F52D1C4000-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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation 9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661.exe Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation u16c.1.exe -
Executes dropped EXE 2 IoCs
pid Process 4388 u16c.0.exe 3760 u16c.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4388 u16c.0.exe 4388 u16c.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 4292 1524 WerFault.exe 84 3772 4388 WerFault.exe 96 -
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 u16c.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u16c.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u16c.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 u16c.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u16c.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4388 u16c.0.exe 4388 u16c.0.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2128 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3760 u16c.1.exe 3760 u16c.1.exe 3760 u16c.1.exe 3760 u16c.1.exe 3760 u16c.1.exe 3760 u16c.1.exe 3760 u16c.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3760 u16c.1.exe 3760 u16c.1.exe 3760 u16c.1.exe 3760 u16c.1.exe 3760 u16c.1.exe 3760 u16c.1.exe 3760 u16c.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1524 wrote to memory of 4388 1524 9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661.exe 96 PID 1524 wrote to memory of 4388 1524 9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661.exe 96 PID 1524 wrote to memory of 4388 1524 9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661.exe 96 PID 1524 wrote to memory of 3760 1524 9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661.exe 99 PID 1524 wrote to memory of 3760 1524 9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661.exe 99 PID 1524 wrote to memory of 3760 1524 9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661.exe 99 PID 3760 wrote to memory of 2128 3760 u16c.1.exe 108 PID 3760 wrote to memory of 2128 3760 u16c.1.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661.exe"C:\Users\Admin\AppData\Local\Temp\9bb555dbbdb0360f5941211f74a46ebfbec21caa3d564dc174d02a9706bcd661.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Users\Admin\AppData\Local\Temp\u16c.0.exe"C:\Users\Admin\AppData\Local\Temp\u16c.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4388 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 23403⤵
- Program crash
PID:3772
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C:\Users\Admin\AppData\Local\Temp\u16c.1.exe"C:\Users\Admin\AppData\Local\Temp\u16c.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:3760 -
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:2128
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 11522⤵
- Program crash
PID:4292
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1524 -ip 15241⤵PID:4108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4388 -ip 43881⤵PID:4768
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
3KB
MD505424127315dc22efd63f32bb1bde5dd
SHA1df49cd51364043918b58f8bd0e869325662b0aae
SHA2560c71aad9a93bd65324bae44d891f9d88c93af973e49be92d3aefcb65dd5cb195
SHA51228d91f3a763bc4e9a34df611568ccf9501031b074ea9536a29d80e397858fd7ad73bc3d36eee030b8748afbb8c1008e78cb138e087389e39e7f35d3359592cdb
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Filesize
245KB
MD533bc221961c8365ec06fe86a4ab76709
SHA1af930ef0dbd96b4fb0c6ecd72ea5fe2fd77268f8
SHA2562874b873e12bcdfcf0a37708512e21637e38e5f5b9a2bf0c3b34f72d74c05708
SHA512957e92d7418dca60a34cdc8dd542a587003b8181be6eb19272a5e4065aa61fa43655f6cbaebc31ce4a778fcc0e4430993a6f35db73cc7b0d7140042ba835082e
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954