Analysis
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max time kernel
133s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
06-05-2024 10:16
Static task
static1
Behavioral task
behavioral1
Sample
bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff.exe
Resource
win10v2004-20240419-en
General
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Target
bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff.exe
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Size
417KB
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MD5
8559a8e41733cc6441febaf102bcef29
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SHA1
aa8a1256988c97242674fec0ef1fb1279830f06b
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SHA256
bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff
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SHA512
727fead6c7bff267bc18f80c61e2b14e1bc45a919b5a3444b1ee11906d8addb44a79ee548c3a528903df7b3c9dd188071c57b5de4864bfbe2ce3b33a49f39615
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SSDEEP
6144:d5pk6VtVbGU1sVOzp0f1eYVwIuI84glzNwiaTSLrqi3Vta5I:d5pjVLbX0ONzYarI0lzhaT+RVtMI
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/1624-147-0x0000023376F50000-0x000002337A848000-memory.dmp family_zgrat_v1 behavioral1/memory/1624-148-0x000002337DDF0000-0x000002337DF00000-memory.dmp family_zgrat_v1 behavioral1/memory/1624-152-0x000002337DC80000-0x000002337DCA4000-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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff.exe Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation u30k.1.exe -
Executes dropped EXE 2 IoCs
pid Process 4452 u30k.0.exe 3844 u30k.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4452 u30k.0.exe 4452 u30k.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 1368 3908 WerFault.exe 85 4584 4452 WerFault.exe 95 -
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 u30k.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u30k.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u30k.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u30k.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u30k.0.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 4452 u30k.0.exe 4452 u30k.0.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4452 u30k.0.exe 4452 u30k.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1624 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3844 u30k.1.exe 3844 u30k.1.exe 3844 u30k.1.exe 3844 u30k.1.exe 3844 u30k.1.exe 3844 u30k.1.exe 3844 u30k.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3844 u30k.1.exe 3844 u30k.1.exe 3844 u30k.1.exe 3844 u30k.1.exe 3844 u30k.1.exe 3844 u30k.1.exe 3844 u30k.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3908 wrote to memory of 4452 3908 bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff.exe 95 PID 3908 wrote to memory of 4452 3908 bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff.exe 95 PID 3908 wrote to memory of 4452 3908 bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff.exe 95 PID 3908 wrote to memory of 3844 3908 bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff.exe 98 PID 3908 wrote to memory of 3844 3908 bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff.exe 98 PID 3908 wrote to memory of 3844 3908 bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff.exe 98 PID 3844 wrote to memory of 1624 3844 u30k.1.exe 105 PID 3844 wrote to memory of 1624 3844 u30k.1.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff.exe"C:\Users\Admin\AppData\Local\Temp\bd7df1cb2a16dac8bf9352a5345186e8ec9b1338aeac506003aed8f53d005eff.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Users\Admin\AppData\Local\Temp\u30k.0.exe"C:\Users\Admin\AppData\Local\Temp\u30k.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4452 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 25123⤵
- Program crash
PID:4584
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C:\Users\Admin\AppData\Local\Temp\u30k.1.exe"C:\Users\Admin\AppData\Local\Temp\u30k.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:3844 -
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:1624
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 11562⤵
- Program crash
PID:1368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3908 -ip 39081⤵PID:1632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4452 -ip 44521⤵PID:4400
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
3KB
MD58366ea44c760cc2067ca686b9e4d84ae
SHA16c4864c7f05e091a14280204c18d52e720ba4a38
SHA2560c19bb7eba943942446d2121393c773353a7177265bc0edd41cb192b64ac4460
SHA512e555f331f03ac714c138735af94ec25b633840b78401807318e367d454a2b42110ebb600a1019deb8c405f69dbef59aec5514ea1de4d764b0da9b07bbbfdf379
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Filesize
274KB
MD57faacbf66f86efccce100cd447ecca62
SHA190f565110b0bbd2f086acaf6ef57fb13f4f7d86f
SHA256c5400417da46366c8a498ed88d81f968fd504a2a704022dea1a7bdfc0cdc0677
SHA51216c9d4c07ff3dbf0850dafdaa67381086b6ba40644bc153094d58ec641379f126bc1877832d4ab0efadd3f723dd6a89a5c33c3239d5033e150880105075d470a
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954