Analysis
- max time kernel
127s - max time network
128s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system - submitted
07/05/2024, 12:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2542caf838203c42ae6f7a21dc2243d50367bdbaab0d14d11e6cc89a1f926927.exe
Resource
win10v2004-20240419-en
20 signatures
150 seconds
General
- Target 2542caf838203c42ae6f7a21dc2243d50367bdbaab0d14d11e6cc89a1f926927.exe
- Size 408KB
- Sample240507-ppm71sad52
- SHA256 2542caf838203c42ae6f7a21dc2243d50367bdbaab0d14d11e6cc89a1f926927
- MD5 e4f54147f4e172d62ac1b56c94af6bd8
- SHA1 cc4662852fe8f3d5f3fe330813edf4ae4f7b6a82
- SHA512 aebc6a0f89d450ef7040f68d5c3e0b586f04ef186ca160a85a86afd08a233b0d957695fec6c7d7851fb68811bf7ad0cef15835327062951b3dd1dd47200db686
- SSDEEP 6144:b5cM23+UCrsxK18deKnuwQLRvB4GBx7jqlMM+0ljGkIX+BN5uATkshwxl:FBrsNe+mLRvdSL+0VRZDTks2xl
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
stealc
C2
-
http://185.172.128.150
Attributes
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
resource yara_rule behavioral2/memory/1384-130-0x0000025CD6910000-0x0000025CDA144000-memory.dmp family_zgrat_v1 behavioral2/memory/1384-131-0x0000025CF48D0000-0x0000025CF49DA000-memory.dmp family_zgrat_v1 behavioral2/memory/1384-135-0x0000025CF4760000-0x0000025CF4784000-memory.dmp family_zgrat_v1 - Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
pid Process 2732 u3nc.0.exe 4100 u3nc.1.exe - Loads dropped DLL 2 IoCs
pid Process 2732 u3nc.0.exe 2732 u3nc.0.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
pid pid_target Process procid_target 2972 4728 WerFault.exe 79 2468 2732 WerFault.exe 82 - 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 u3nc.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3nc.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3nc.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 u3nc.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3nc.0.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2732 u3nc.0.exe 2732 u3nc.0.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2732 u3nc.0.exe 2732 u3nc.0.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1384 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe - Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4100 u3nc.1.exe 4100 u3nc.1.exe 4100 u3nc.1.exe 4100 u3nc.1.exe 4100 u3nc.1.exe 4100 u3nc.1.exe 4100 u3nc.1.exe - Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4100 u3nc.1.exe 4100 u3nc.1.exe 4100 u3nc.1.exe 4100 u3nc.1.exe 4100 u3nc.1.exe 4100 u3nc.1.exe 4100 u3nc.1.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4728 wrote to memory of 2732 4728 2542caf838203c42ae6f7a21dc2243d50367bdbaab0d14d11e6cc89a1f926927.exe 82 PID 4728 wrote to memory of 2732 4728 2542caf838203c42ae6f7a21dc2243d50367bdbaab0d14d11e6cc89a1f926927.exe 82 PID 4728 wrote to memory of 2732 4728 2542caf838203c42ae6f7a21dc2243d50367bdbaab0d14d11e6cc89a1f926927.exe 82 PID 4728 wrote to memory of 4100 4728 2542caf838203c42ae6f7a21dc2243d50367bdbaab0d14d11e6cc89a1f926927.exe 85 PID 4728 wrote to memory of 4100 4728 2542caf838203c42ae6f7a21dc2243d50367bdbaab0d14d11e6cc89a1f926927.exe 85 PID 4728 wrote to memory of 4100 4728 2542caf838203c42ae6f7a21dc2243d50367bdbaab0d14d11e6cc89a1f926927.exe 85 PID 4100 wrote to memory of 1384 4100 u3nc.1.exe 90 PID 4100 wrote to memory of 1384 4100 u3nc.1.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2542caf838203c42ae6f7a21dc2243d50367bdbaab0d14d11e6cc89a1f926927.exe"C:\Users\Admin\AppData\Local\Temp\2542caf838203c42ae6f7a21dc2243d50367bdbaab0d14d11e6cc89a1f926927.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4728 -
C:\Users\Admin\AppData\Local\Temp\u3nc.0.exe"C:\Users\Admin\AppData\Local\Temp\u3nc.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2732 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 21003⤵
- Program crash
PID:2468
-
-
-
C:\Users\Admin\AppData\Local\Temp\u3nc.1.exe"C:\Users\Admin\AppData\Local\Temp\u3nc.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4100 -
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:1384
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 12122⤵
- Program crash
PID:2972
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4728 -ip 47281⤵PID:3260
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2732 -ip 27321⤵PID:1012
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\Are.docx
- Size 11KB
- SHA256 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
- MD5 a33e5b189842c5867f46566bdbf7a095
- SHA1 e1c06359f6a76da90d19e8fd95e79c832edb3196
- SHA512 f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
- SSDEEP 192:CtNCEE33S7Ok0CMSYbcBVk6tqM16iPBkeawLWdxd7o3Lp:aNwC78uYbcBv6akwLWdxdE3Lp
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\mozglue.dll
- Size 593KB
- SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
- MD5 c8fd9be83bc728cc04beffafc2907fe9
- SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
- SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
- SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\nss3.dll
- Size 2.0MB
- SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
- MD5 1cc453cdf74f31e4d913ff9c10acdde2
- SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
- SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
- SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\u3nc.0.exe
- Size 266KB
- SHA256 82fcbe992186cf67ca0aa2da35425353505f9f8c59e0255a64e9e40c65d94e17
- MD5 7ed6ec404f1a557e5c734574421948d3
- SHA1 d77c5a4db410b713989427b37f045b824cc1eff5
- SHA512 f970692b939cbb898dd4057e7c8095415d6fa3779af22d2ab86fcc6e7edc42151f592545e81c4a617ea40d392fa7943792580fc17acd3667a80a80e72286f3e9
- SSDEEP 3072:5l7AZNpX7NadczpkesJZfz1P0aW56TCbs4hLU:5aZvNa29u71P0GCbRhw
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\u3nc.1.exe
- Size 4.6MB
- SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
- MD5 397926927bca55be4a77839b1c44de6e
- SHA1 e10f3434ef3021c399dbba047832f02b3c898dbd
- SHA512 cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954
- SSDEEP 49152:1ZRCckM8wwGbtBiRFWSGqCW4FL5wslsAEL1ksS2NHsF3TjZ1I6bqmHC0Jg:1ZRCwrb64XwWsAwFaFXxg
- MD5 SHA1 SHA512 SSDEEP