Analysis
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max time kernel
129s -
max time network
133s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-05-2024 23:21
Static task
static1
Behavioral task
behavioral1
Sample
12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe
Resource
win10v2004-20240226-en
General
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Target
12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe
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Size
449KB
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MD5
0e78c7b1b4335584f427f2f9fe0e3982
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SHA1
bf7a97794224d56e337e6e53ad12c70055d744f8
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SHA256
12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829
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SHA512
178eef7117ce5a2b0421cd62a56e4c8158a7248791b0c04fd42d023faff9453a9043d645567fee1bcac1fa5f3f60439a2aea00b8383ca4ccf498a7f9f474fb6c
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SSDEEP
12288:z4kni8/6leIbaECbwZzSSR1tqRnnKPkgo:k7ba7buzVzkRKPkgo
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/3684-141-0x0000026DBA930000-0x0000026DBE164000-memory.dmp family_zgrat_v1 behavioral2/memory/3684-142-0x0000026DD8920000-0x0000026DD8A2A000-memory.dmp family_zgrat_v1 behavioral2/memory/3684-146-0x0000026DD88C0000-0x0000026DD88E4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 2860 u39s.0.exe 5096 u39s.1.exe -
Loads dropped DLL 2 IoCs
pid Process 2860 u39s.0.exe 2860 u39s.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 1324 4240 WerFault.exe 79 2420 2860 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 u39s.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u39s.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u39s.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 u39s.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u39s.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 2860 u39s.0.exe 2860 u39s.0.exe 2860 u39s.0.exe 2860 u39s.0.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3684 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 5096 u39s.1.exe 5096 u39s.1.exe 5096 u39s.1.exe 5096 u39s.1.exe 5096 u39s.1.exe 5096 u39s.1.exe 5096 u39s.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 5096 u39s.1.exe 5096 u39s.1.exe 5096 u39s.1.exe 5096 u39s.1.exe 5096 u39s.1.exe 5096 u39s.1.exe 5096 u39s.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4240 wrote to memory of 2860 4240 12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe 81 PID 4240 wrote to memory of 2860 4240 12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe 81 PID 4240 wrote to memory of 2860 4240 12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe 81 PID 4240 wrote to memory of 5096 4240 12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe 84 PID 4240 wrote to memory of 5096 4240 12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe 84 PID 4240 wrote to memory of 5096 4240 12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe 84 PID 5096 wrote to memory of 3684 5096 u39s.1.exe 92 PID 5096 wrote to memory of 3684 5096 u39s.1.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe"C:\Users\Admin\AppData\Local\Temp\12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4240 -
C:\Users\Admin\AppData\Local\Temp\u39s.0.exe"C:\Users\Admin\AppData\Local\Temp\u39s.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2860 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 24243⤵
- Program crash
PID:2420
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C:\Users\Admin\AppData\Local\Temp\u39s.1.exe"C:\Users\Admin\AppData\Local\Temp\u39s.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5096 -
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:3684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 11562⤵
- Program crash
PID:1324
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4240 -ip 42401⤵PID:1540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2860 -ip 28601⤵PID:4468
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
MD520794bd7542bfad97a291f71e8e29f4a
SHA119371678b078d707106e860ae5072f0c7f1b6df7
SHA256c5991d9d4bda891473859b0cbbc7624c531cb1552e068b552ce78a34a51becb4
SHA512aab46fc02dc9ee4e02ee1b5297bfbdb51ee462050baf03a1ea4aa22bbd6a71bbb55464cfa5e8bc50419db8adb95c72a4978fde18c080c7ed3cdf3dd4cdb22867
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Filesize
308KB
MD54989a0cdd90c1864f801e4f15a1f2e94
SHA1f395f00b1bd62546bd0e67bea68aff3bf8bda0d2
SHA256d70ca1aba20eca32e5cdc71bfde5744070a94b7022ac6ce1575aa2692a89d41e
SHA5124142bea9c8cff78bc602eb8bd077b30859aa073a473764052bdd3539167138a9452a57865d33383817ee8a08c16bdba818ae9cf0ca633d83f833d48ab5a5f09f
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954