Analysis
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max time kernel
97s -
max time network
100s -
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 22:20
Static task
static1
Behavioral task
behavioral1
Sample
c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8.exe
Resource
win10v2004-20240426-en
General
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Target
c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8.exe
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Size
388KB
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MD5
89b8fa362dac3edfe558e0e157bf1d50
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SHA1
6d37aad731b8c02d6f079ecc0e585dc7dcb5a69d
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SHA256
c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8
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SHA512
890ceee57afd7eb2df0f91bacb4bf0d2b7d34ded36df3e7d702858d70e6cb2fb53bfb3c5a77386e0053a68db3098e444c563160bcc48b262b021eb0fc868d875
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SSDEEP
12288:aG1ixU5HEhboNYNJHxqi4vdf4qLfxmGL8:aGMnhbvrHwi4vdAqL0GL8
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/4392-146-0x0000023AECE20000-0x0000023AF0654000-memory.dmp family_zgrat_v1 behavioral1/memory/4392-151-0x0000023AF2C40000-0x0000023AF2C64000-memory.dmp family_zgrat_v1 behavioral1/memory/4392-147-0x0000023AF2F40000-0x0000023AF304A000-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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8.exe Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation u3ew.1.exe -
Executes dropped EXE 2 IoCs
pid Process 4968 u3ew.0.exe 4364 u3ew.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4968 u3ew.0.exe 4968 u3ew.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 3528 4424 WerFault.exe 81 3936 4968 WerFault.exe 93 -
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 u3ew.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3ew.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3ew.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 u3ew.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3ew.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4968 u3ew.0.exe 4968 u3ew.0.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4392 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4364 u3ew.1.exe 4364 u3ew.1.exe 4364 u3ew.1.exe 4364 u3ew.1.exe 4364 u3ew.1.exe 4364 u3ew.1.exe 4364 u3ew.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4364 u3ew.1.exe 4364 u3ew.1.exe 4364 u3ew.1.exe 4364 u3ew.1.exe 4364 u3ew.1.exe 4364 u3ew.1.exe 4364 u3ew.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4424 wrote to memory of 4968 4424 c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8.exe 93 PID 4424 wrote to memory of 4968 4424 c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8.exe 93 PID 4424 wrote to memory of 4968 4424 c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8.exe 93 PID 4424 wrote to memory of 4364 4424 c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8.exe 97 PID 4424 wrote to memory of 4364 4424 c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8.exe 97 PID 4424 wrote to memory of 4364 4424 c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8.exe 97 PID 4364 wrote to memory of 4392 4364 u3ew.1.exe 104 PID 4364 wrote to memory of 4392 4364 u3ew.1.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8.exe"C:\Users\Admin\AppData\Local\Temp\c1f44ba9329e37b29ae039c0fc1d1018df4009ca79879c3e48d6ae4273c174d8.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Users\Admin\AppData\Local\Temp\u3ew.0.exe"C:\Users\Admin\AppData\Local\Temp\u3ew.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4968 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 3403⤵
- Program crash
PID:3936
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C:\Users\Admin\AppData\Local\Temp\u3ew.1.exe"C:\Users\Admin\AppData\Local\Temp\u3ew.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:4364 -
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:4392
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 10122⤵
- Program crash
PID:3528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4424 -ip 44241⤵PID:3456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4968 -ip 49681⤵PID:1156
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
245KB
MD55ea66fe490011da271a673577bad5bde
SHA104191be80d32e89c876840af14ad9352a0c1eff2
SHA256a8b093f291c9d435b8c9f832e7817a854e04290da381672de6234b031b2cf3a0
SHA5126ae839e1e59cc1ab2abd4c8dec88cef0d1e89110614d443d6e64b99faa2dba8b1d4b9a00824cfe91f94c29e32413a7ff3448249aee342349868a0dab9bd3db97
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954