Analysis
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max time kernel
135s -
max time network
130s -
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 07:17
Static task
static1
Behavioral task
behavioral1
Sample
0251b972016cb69c049602a3d2aa3ff7.exe
Resource
win7-20240221-en
General
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Target
0251b972016cb69c049602a3d2aa3ff7.exe
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Size
416KB
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MD5
0251b972016cb69c049602a3d2aa3ff7
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SHA1
24847d133682d9d820dc8163019359927b6d71c2
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SHA256
d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03
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SHA512
523e359293557144d8c4dc09a6196e4eae5cfa9d11bd8d1353ca8dc347415f019436505fb72e0a5f0332e3ea24fcb97440fce1f64ea0d7ab868d6fd81eb9f77d
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SSDEEP
6144:EkIIKkd5F7LcRmt5tuGEBQ4ZHXbA/3TntkIKcqFWWgfLR8tai6:E3DkzF7gmt5tuPBQ6LO3btbKnuLWtf6
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/2920-143-0x000001D493480000-0x000001D496D78000-memory.dmp family_zgrat_v1 behavioral2/memory/2920-145-0x000001D4B1710000-0x000001D4B1820000-memory.dmp family_zgrat_v1 behavioral2/memory/2920-149-0x000001D498B80000-0x000001D498BA4000-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-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation 0251b972016cb69c049602a3d2aa3ff7.exe Key value queried \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation u2ws.1.exe -
Executes dropped EXE 2 IoCs
pid Process 4828 u2ws.0.exe 2776 u2ws.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4828 u2ws.0.exe 4828 u2ws.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 3208 3772 WerFault.exe 83 4592 4828 WerFault.exe 94 -
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 u2ws.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2ws.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2ws.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 u2ws.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2ws.0.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 4828 u2ws.0.exe 4828 u2ws.0.exe 4828 u2ws.0.exe 4828 u2ws.0.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2920 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2776 u2ws.1.exe 2776 u2ws.1.exe 2776 u2ws.1.exe 2776 u2ws.1.exe 2776 u2ws.1.exe 2776 u2ws.1.exe 2776 u2ws.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2776 u2ws.1.exe 2776 u2ws.1.exe 2776 u2ws.1.exe 2776 u2ws.1.exe 2776 u2ws.1.exe 2776 u2ws.1.exe 2776 u2ws.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3772 wrote to memory of 4828 3772 0251b972016cb69c049602a3d2aa3ff7.exe 94 PID 3772 wrote to memory of 4828 3772 0251b972016cb69c049602a3d2aa3ff7.exe 94 PID 3772 wrote to memory of 4828 3772 0251b972016cb69c049602a3d2aa3ff7.exe 94 PID 3772 wrote to memory of 2776 3772 0251b972016cb69c049602a3d2aa3ff7.exe 98 PID 3772 wrote to memory of 2776 3772 0251b972016cb69c049602a3d2aa3ff7.exe 98 PID 3772 wrote to memory of 2776 3772 0251b972016cb69c049602a3d2aa3ff7.exe 98 PID 2776 wrote to memory of 2920 2776 u2ws.1.exe 105 PID 2776 wrote to memory of 2920 2776 u2ws.1.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\0251b972016cb69c049602a3d2aa3ff7.exe"C:\Users\Admin\AppData\Local\Temp\0251b972016cb69c049602a3d2aa3ff7.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3772 -
C:\Users\Admin\AppData\Local\Temp\u2ws.0.exe"C:\Users\Admin\AppData\Local\Temp\u2ws.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4828 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 23403⤵
- Program crash
PID:4592
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C:\Users\Admin\AppData\Local\Temp\u2ws.1.exe"C:\Users\Admin\AppData\Local\Temp\u2ws.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:2776 -
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:2920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 15522⤵
- Program crash
PID:3208
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3772 -ip 37721⤵PID:1760
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4828 -ip 48281⤵PID:4332
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
275KB
MD5f3b64df1e1dcadb996afbd29f802b98f
SHA1cc732d26d161e0369cb31b6e1d69dbe966540e56
SHA256bb00ccce42346fcb6962e38f7e5cb22537210e838ee150731fb17babe2d114a1
SHA512d17eb25749d97647175f9704685bee347631fbf72bf718d997e98ac9fea0c5bd41772430982f7e28ef1f2dfcf0a716ca634559033435c4e12da72caad8d63c3b
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954