Analysis
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max time kernel
129s -
max time network
133s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
05-05-2024 22:02
Static task
static1
Behavioral task
behavioral1
Sample
97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
Resource
win10v2004-20240419-en
General
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Target
97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
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Size
416KB
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MD5
3517d1ac47167fcc3afbdb4a21a9fcb9
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SHA1
5633d62cd097e5a15b12d98dff9939a418895edc
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SHA256
97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e
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SHA512
295cae5dfdbefd058f27ce0a52cec6051898db7636940e4a00e06b74503f4d7f2953c0893d5ad960ca005581f9d170df6fba6fd112f4c1e1a626b4910f42c3d3
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SSDEEP
6144:xNDSLZK+bH6tSYLDidexnCihNJnrWXy1JFIHbP3ShohW90K:LSLZKK/dCCibRz4PiLaK
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/1748-100-0x0000018028900000-0x000001802C1F8000-memory.dmp family_zgrat_v1 behavioral2/memory/1748-101-0x0000018046930000-0x0000018046A40000-memory.dmp family_zgrat_v1 behavioral2/memory/1748-105-0x000001802E040000-0x000001802E064000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 4628 u2no.0.exe 2328 u2no.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4628 u2no.0.exe 4628 u2no.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 5000 3444 WerFault.exe 78 2100 4628 WerFault.exe 81 -
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 u2no.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2no.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2no.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 u2no.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2no.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4628 u2no.0.exe 4628 u2no.0.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 u2no.0.exe 4628 u2no.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2328 u2no.1.exe 2328 u2no.1.exe 2328 u2no.1.exe 2328 u2no.1.exe 2328 u2no.1.exe 2328 u2no.1.exe 2328 u2no.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2328 u2no.1.exe 2328 u2no.1.exe 2328 u2no.1.exe 2328 u2no.1.exe 2328 u2no.1.exe 2328 u2no.1.exe 2328 u2no.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3444 wrote to memory of 4628 3444 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 81 PID 3444 wrote to memory of 4628 3444 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 81 PID 3444 wrote to memory of 4628 3444 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 81 PID 3444 wrote to memory of 2328 3444 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 84 PID 3444 wrote to memory of 2328 3444 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 84 PID 3444 wrote to memory of 2328 3444 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 84 PID 2328 wrote to memory of 1748 2328 u2no.1.exe 89 PID 2328 wrote to memory of 1748 2328 u2no.1.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe"C:\Users\Admin\AppData\Local\Temp\97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3444 -
C:\Users\Admin\AppData\Local\Temp\u2no.0.exe"C:\Users\Admin\AppData\Local\Temp\u2no.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4628 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 24803⤵
- Program crash
PID:2100
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C:\Users\Admin\AppData\Local\Temp\u2no.1.exe"C:\Users\Admin\AppData\Local\Temp\u2no.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2328 -
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:1748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 12002⤵
- Program crash
PID:5000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3444 -ip 34441⤵PID:2236
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4628 -ip 46281⤵PID:1780
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
MD57db42922c376fc7990ae1e840e62dc3a
SHA126aee4e8cb283ff9cb095158c08f9ffd0791eba4
SHA2565da5b719a1f65ed927be3359ff9845372e592f7de586706e92ddda34d735a75e
SHA5127b7acde9ead9d01e5561115338faae4b9f228282ec6b310d7676722bf70ac730c327a039600cd2109d3e054cbe721778bc78ae3ea410ea13c36f1d78a87afaf8
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Filesize
274KB
MD5fae96a12ae35c2243801206ca089798d
SHA152b8769b202701900f03c386623232ee23fb90d3
SHA2561b32e30cfeea17e7f29f8c907c42cafc3a18da4306007b5c5bc38cb6bb4f1750
SHA5127a3d2284145b98b8db779e1a941f48125fd3fee00dc147fb6a2c0ecf0840b9c52973930871182e402726878de2bfb0dd7e4d64396e4280700511e2ac81aa7abe
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954