Analysis
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max time kernel
144s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 20:02
Static task
static1
Behavioral task
behavioral1
Sample
6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe
Resource
win10v2004-20240226-en
General
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Target
6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe
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Size
497KB
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MD5
faf13222570e0483055345c82dec07da
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SHA1
e7fd20c5290201d144010850e37285f09b592dbe
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SHA256
6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768
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SHA512
cdd9106575322ba8498a003c46c4ccab8a1151a8df725695022d294367ac40ed64e3bd883c3e355488d1e6c95385f2e9aaad7c1477390e63431c22ceb043a9fd
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SSDEEP
6144:RWSicFcC1yNLlB7N/o+BJkp5QtBfwvUGSx/J1AopaFQve1P2FCLjH:VTFcC1yND7NrcPuBfwvEx/UdR/fH
Malware Config
Extracted
stealc
http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/972-141-0x00000262EB570000-0x00000262EEE68000-memory.dmp family_zgrat_v1 behavioral1/memory/972-144-0x00000262F2E20000-0x00000262F2F30000-memory.dmp family_zgrat_v1 behavioral1/memory/972-148-0x00000262F2C60000-0x00000262F2C84000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation u2bs.1.exe Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation u2bs.0.exe Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation EBFBKFBGII.exe -
Executes dropped EXE 3 IoCs
pid Process 3024 u2bs.0.exe 2896 u2bs.1.exe 4264 EBFBKFBGII.exe -
Loads dropped DLL 2 IoCs
pid Process 3024 u2bs.0.exe 3024 u2bs.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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3004 set thread context of 3016 3004 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 85 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1508 3024 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 u2bs.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2bs.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2bs.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 u2bs.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2bs.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4420 PING.EXE -
Suspicious behavior: EnumeratesProcesses 29 IoCs
pid Process 3024 u2bs.0.exe 3024 u2bs.0.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3024 u2bs.0.exe 3024 u2bs.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 972 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2896 u2bs.1.exe 2896 u2bs.1.exe 2896 u2bs.1.exe 2896 u2bs.1.exe 2896 u2bs.1.exe 2896 u2bs.1.exe 2896 u2bs.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2896 u2bs.1.exe 2896 u2bs.1.exe 2896 u2bs.1.exe 2896 u2bs.1.exe 2896 u2bs.1.exe 2896 u2bs.1.exe 2896 u2bs.1.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3004 wrote to memory of 3016 3004 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 85 PID 3004 wrote to memory of 3016 3004 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 85 PID 3004 wrote to memory of 3016 3004 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 85 PID 3004 wrote to memory of 3016 3004 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 85 PID 3004 wrote to memory of 3016 3004 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 85 PID 3004 wrote to memory of 3016 3004 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 85 PID 3004 wrote to memory of 3016 3004 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 85 PID 3004 wrote to memory of 3016 3004 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 85 PID 3004 wrote to memory of 3016 3004 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 85 PID 3004 wrote to memory of 3016 3004 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 85 PID 3016 wrote to memory of 3024 3016 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 88 PID 3016 wrote to memory of 3024 3016 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 88 PID 3016 wrote to memory of 3024 3016 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 88 PID 3016 wrote to memory of 2896 3016 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 92 PID 3016 wrote to memory of 2896 3016 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 92 PID 3016 wrote to memory of 2896 3016 6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe 92 PID 2896 wrote to memory of 972 2896 u2bs.1.exe 97 PID 2896 wrote to memory of 972 2896 u2bs.1.exe 97 PID 3024 wrote to memory of 4460 3024 u2bs.0.exe 100 PID 3024 wrote to memory of 4460 3024 u2bs.0.exe 100 PID 3024 wrote to memory of 4460 3024 u2bs.0.exe 100 PID 4460 wrote to memory of 4264 4460 cmd.exe 104 PID 4460 wrote to memory of 4264 4460 cmd.exe 104 PID 4460 wrote to memory of 4264 4460 cmd.exe 104 PID 4264 wrote to memory of 4884 4264 EBFBKFBGII.exe 106 PID 4264 wrote to memory of 4884 4264 EBFBKFBGII.exe 106 PID 4264 wrote to memory of 4884 4264 EBFBKFBGII.exe 106 PID 4884 wrote to memory of 4420 4884 cmd.exe 108 PID 4884 wrote to memory of 4420 4884 cmd.exe 108 PID 4884 wrote to memory of 4420 4884 cmd.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe"C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe"C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Users\Admin\AppData\Local\Temp\u2bs.0.exe"C:\Users\Admin\AppData\Local\Temp\u2bs.0.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EBFBKFBGII.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Users\Admin\AppData\Local\Temp\EBFBKFBGII.exe"C:\Users\Admin\AppData\Local\Temp\EBFBKFBGII.exe"5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\EBFBKFBGII.exe6⤵
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30007⤵
- Runs ping.exe
PID:4420
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 20364⤵
- Program crash
PID:1508
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C:\Users\Admin\AppData\Local\Temp\u2bs.1.exe"C:\Users\Admin\AppData\Local\Temp\u2bs.1.exe"3⤵
- 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:2896 -
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-2EE938868BD14⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:972
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3024 -ip 30241⤵PID:4980
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
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
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Filesize
355KB
MD59c295711d75051eda0aa83d5bc7cb057
SHA1465565e5fd3ca98729976fc8acd033a6c83cb2e8
SHA256350de8b4c366145b341d82d77a488a18483f893f3c1853f88c32608ffc912c5a
SHA51282e3645074fb846f6cbbac52f01f6f7335e83b45ed9cb66bb1cd31f87da767e9da0d7afd63dc50269344cd7bbf609deef0eee64b5c5e7ba462a6609e2e0e7380
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954