Analysis
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max time kernel
142s -
max time network
132s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/05/2024, 00:32
Static task
static1
Behavioral task
behavioral1
Sample
a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe
Resource
win10v2004-20240508-en
General
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Target
a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe
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Size
384KB
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MD5
e8fe249ed5e4a60afe3b5e0063b2aa1a
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SHA1
10136812a9720946b8b3de256bd80464a7c15745
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SHA256
a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f
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SHA512
ff212796d65628d63474fa261f648e1b93a974aa1db70bb1edac039de9ed798f5e50debd823b407b208894ed33e320bab1a7275c5649446ff9f8e8b8bac12973
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SSDEEP
6144:ujfcaXBXkd86TbOMLd1KsPTNqG5Tcq9kdilO1SnO3IExM:87XN6T9RpRAq3O1SnQ3M
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/3092-64-0x000001E192110000-0x000001E195944000-memory.dmp family_zgrat_v1 behavioral2/memory/3092-65-0x000001E1B0070000-0x000001E1B017A000-memory.dmp family_zgrat_v1 behavioral2/memory/3092-69-0x000001E1B01C0000-0x000001E1B01E4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 252 u3eo.0.exe 2708 u3eo.1.exe -
Loads dropped DLL 2 IoCs
pid Process 252 u3eo.0.exe 252 u3eo.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 1 IoCs
pid pid_target Process procid_target 4816 252 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 u3eo.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3eo.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3eo.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 u3eo.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3eo.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 252 u3eo.0.exe 252 u3eo.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3092 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2708 u3eo.1.exe 2708 u3eo.1.exe 2708 u3eo.1.exe 2708 u3eo.1.exe 2708 u3eo.1.exe 2708 u3eo.1.exe 2708 u3eo.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2708 u3eo.1.exe 2708 u3eo.1.exe 2708 u3eo.1.exe 2708 u3eo.1.exe 2708 u3eo.1.exe 2708 u3eo.1.exe 2708 u3eo.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4416 wrote to memory of 252 4416 a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe 82 PID 4416 wrote to memory of 252 4416 a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe 82 PID 4416 wrote to memory of 252 4416 a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe 82 PID 4416 wrote to memory of 2708 4416 a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe 85 PID 4416 wrote to memory of 2708 4416 a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe 85 PID 4416 wrote to memory of 2708 4416 a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe 85 PID 2708 wrote to memory of 3092 2708 u3eo.1.exe 87 PID 2708 wrote to memory of 3092 2708 u3eo.1.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe"C:\Users\Admin\AppData\Local\Temp\a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Users\Admin\AppData\Local\Temp\u3eo.0.exe"C:\Users\Admin\AppData\Local\Temp\u3eo.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:252 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 252 -s 24483⤵
- Program crash
PID:4816
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C:\Users\Admin\AppData\Local\Temp\u3eo.1.exe"C:\Users\Admin\AppData\Local\Temp\u3eo.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2708 -
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:3092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 252 -ip 2521⤵PID:1164
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
2KB
MD5055275ff467306eb53a1b14a0882dba7
SHA1009310f9fed39e65bfc337abdc9cab8bfe60c726
SHA256cf23a823725b32360fe0bceebdc2c2ceff33c896effc7ec874cc3020fd64b702
SHA512ecd12da46523ba1d5d1b49edd481d67e2f849acd258da791b1b513c981efad2740792e3efb2bd88bbf18e182814a2779d37188340914cbbb2f5fbaf7b32cd4d6
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Filesize
3KB
MD52a325d412d9cda8c7c3fbe8c9080a8d7
SHA1bd0129d3361044533edc4f539edfe171d9e43703
SHA256f70f2c43ef488e0f4383e592d9531c2d23cf8f56fe99fbbaee83ec2148244269
SHA512423f75d3b65ebae19e0336d272590bcd8b5fcdfc4d3ee219c638e3332c963a24f215443b407fceeb81fc5d84acae435714848e3b78c0058b4dd437a5b10ffedf
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Filesize
206KB
MD5a33065159222d4c22e581ea419285701
SHA16297d390c9d8c3b8c3340d8d38d46c1bbf32d354
SHA256ddf2f47cbc0db66b326be096b46854a6ab59a2504688077bba0bbb42c4470ae2
SHA5122860dab79524b7db3f0b7771b8d402905a8096653d1c83e49e3827bb7cd739104848b691be16fbd898b81bfd4fcdd827fc4c8f72da6e91d565f02e59f5725f79
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954