Analysis
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max time kernel
143s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
10-05-2024 22:00
Static task
static1
Behavioral task
behavioral1
Sample
2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20.exe
Resource
win10v2004-20240426-en
General
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Target
2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20.exe
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Size
388KB
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MD5
955a51e6eb69e7a8a567b3b90a254349
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SHA1
dc9848c35eb27dda95699ec492b05913efd64aed
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SHA256
2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20
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SHA512
a64bf9f444df71f92c4559d37bfc657b35afbdc2ce1408b02d6f27b5e7cef71ead4b56fbf9f5e73870810823bedc74f1035f4a99363b7ab8374e8401f4b3a9d1
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SSDEEP
12288:aG1ixU5HEhboNYNJHxqi4vdf4qLfxmGL1:aGMnhbvrHwi4vdAqL0GL1
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/3504-145-0x0000012C0A370000-0x0000012C0DBA4000-memory.dmp family_zgrat_v1 behavioral1/memory/3504-146-0x0000012C292C0000-0x0000012C293CA000-memory.dmp family_zgrat_v1 behavioral1/memory/3504-150-0x0000012C28FA0000-0x0000012C28FC4000-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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation 2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20.exe Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation u33g.1.exe -
Executes dropped EXE 2 IoCs
pid Process 2464 u33g.0.exe 484 u33g.1.exe -
Loads dropped DLL 2 IoCs
pid Process 2464 u33g.0.exe 2464 u33g.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 2028 4012 WerFault.exe 82 2176 2464 WerFault.exe 95 -
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 u33g.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u33g.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u33g.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 u33g.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u33g.0.exe -
Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 2464 u33g.0.exe 2464 u33g.0.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3504 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 484 u33g.1.exe 484 u33g.1.exe 484 u33g.1.exe 484 u33g.1.exe 484 u33g.1.exe 484 u33g.1.exe 484 u33g.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 484 u33g.1.exe 484 u33g.1.exe 484 u33g.1.exe 484 u33g.1.exe 484 u33g.1.exe 484 u33g.1.exe 484 u33g.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4012 wrote to memory of 2464 4012 2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20.exe 95 PID 4012 wrote to memory of 2464 4012 2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20.exe 95 PID 4012 wrote to memory of 2464 4012 2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20.exe 95 PID 4012 wrote to memory of 484 4012 2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20.exe 97 PID 4012 wrote to memory of 484 4012 2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20.exe 97 PID 4012 wrote to memory of 484 4012 2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20.exe 97 PID 484 wrote to memory of 3504 484 u33g.1.exe 103 PID 484 wrote to memory of 3504 484 u33g.1.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20.exe"C:\Users\Admin\AppData\Local\Temp\2a7a431bf67a89aece1b155fc2a21dc66c17ed6dd4d310006240d14ef5f3cc20.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4012 -
C:\Users\Admin\AppData\Local\Temp\u33g.0.exe"C:\Users\Admin\AppData\Local\Temp\u33g.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2464 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 23363⤵
- Program crash
PID:2176
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C:\Users\Admin\AppData\Local\Temp\u33g.1.exe"C:\Users\Admin\AppData\Local\Temp\u33g.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:484 -
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:3504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 9842⤵
- Program crash
PID:2028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4012 -ip 40121⤵PID:436
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2464 -ip 24641⤵PID:1492
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
MD5d159a72c96f9857cdf0592b96a26d2bf
SHA12d7063582d1d7be4ce75c25eec4ae7e71b19fdf1
SHA2563422a00590433fbd70bcb204b72cb4d3995cffa237649d0c18ea07f20d8da471
SHA512a0a0581d598e0b59a696c2f80d6766e8ddd6d432a329500274a98dbbec5e195af758a6f0880a9596cd833240fe5bea217054b8c75bca18e9023412536228e7f4
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Filesize
245KB
MD55ea66fe490011da271a673577bad5bde
SHA104191be80d32e89c876840af14ad9352a0c1eff2
SHA256a8b093f291c9d435b8c9f832e7817a854e04290da381672de6234b031b2cf3a0
SHA5126ae839e1e59cc1ab2abd4c8dec88cef0d1e89110614d443d6e64b99faa2dba8b1d4b9a00824cfe91f94c29e32413a7ff3448249aee342349868a0dab9bd3db97
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954