Analysis
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max time kernel
129s -
max time network
135s -
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 22:06
Static task
static1
Behavioral task
behavioral1
Sample
58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe
Resource
win10v2004-20240419-en
General
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Target
58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe
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Size
423KB
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MD5
e0d7b28dd6347e307c7f8a11596a6dfc
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SHA1
a08fd1ef59115feefeba7c86e0883a7a598a945e
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SHA256
58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e
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SHA512
a90f9b7b4fb9b280c59b116c2a4ae4142cc921318d661ca9cf2192e55c0421999eef3f853bc8deaafd99b4368879e656f384dd587be16a5f371412887d9b589a
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SSDEEP
12288:U9Ez/mnZVKQ6Bci6D+GYFBBeHJYaxpYkwa:oHVKQ6d6qGYFB8lLYkwa
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/2432-103-0x00000281732A0000-0x0000028176AD4000-memory.dmp family_zgrat_v1 behavioral2/memory/2432-107-0x0000028179210000-0x000002817931A000-memory.dmp family_zgrat_v1 behavioral2/memory/2432-111-0x0000028179360000-0x0000028179384000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3164 u32w.0.exe 2124 u32w.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3164 u32w.0.exe 3164 u32w.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 3472 3992 WerFault.exe 79 4104 3164 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u32w.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u32w.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u32w.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 u32w.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u32w.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 3164 u32w.0.exe 3164 u32w.0.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3164 u32w.0.exe 3164 u32w.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2432 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2124 u32w.1.exe 2124 u32w.1.exe 2124 u32w.1.exe 2124 u32w.1.exe 2124 u32w.1.exe 2124 u32w.1.exe 2124 u32w.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2124 u32w.1.exe 2124 u32w.1.exe 2124 u32w.1.exe 2124 u32w.1.exe 2124 u32w.1.exe 2124 u32w.1.exe 2124 u32w.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3992 wrote to memory of 3164 3992 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 81 PID 3992 wrote to memory of 3164 3992 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 81 PID 3992 wrote to memory of 3164 3992 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 81 PID 3992 wrote to memory of 2124 3992 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 84 PID 3992 wrote to memory of 2124 3992 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 84 PID 3992 wrote to memory of 2124 3992 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 84 PID 2124 wrote to memory of 2432 2124 u32w.1.exe 90 PID 2124 wrote to memory of 2432 2124 u32w.1.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe"C:\Users\Admin\AppData\Local\Temp\58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Users\Admin\AppData\Local\Temp\u32w.0.exe"C:\Users\Admin\AppData\Local\Temp\u32w.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3164 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 21963⤵
- Program crash
PID:4104
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C:\Users\Admin\AppData\Local\Temp\u32w.1.exe"C:\Users\Admin\AppData\Local\Temp\u32w.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2124 -
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:2432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 9602⤵
- Program crash
PID:3472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3992 -ip 39921⤵PID:460
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3164 -ip 31641⤵PID:336
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
3KB
MD5d7a72c72c8a0400f08e67ffe9818ff43
SHA15d3c3170a351c428085504d6926433448433d6b3
SHA256fa9566ee24d728731d21038b250c89ee56843dd64ac40b1778618a823cf72b25
SHA5122687fa4a47e520f6346ac88c6f43c36d9c24b514b5d947ffea979d420f6803c0f800a169bc8c1239ccfe9abf833c1110498e4b4f4ea45b33d2c287d69416f46a
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Filesize
282KB
MD5f72e01dfb65e6409cb0fc611e466e9d5
SHA1e3d9f9d5e531ea1537bbecbf8064c5772a3c4a26
SHA2567eec5c68ccc964cae08684c73b65a0427623454286b253b4ee4453dc1aa93bbf
SHA5127f47b5e7d997d923ca3d2a481bd8754b01c444c3be284b01e8577e58632bf1b69db87927e57079999e9ffc4dc1d50c45b68a5ce3b4ad58bdcf55d48acb9a87c1
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954