Analysis
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max time kernel
125s -
max time network
128s -
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 13:06
Static task
static1
Behavioral task
behavioral1
Sample
3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe
Resource
win10v2004-20240508-en
General
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Target
3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe
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Size
373KB
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MD5
ea05924e4445087f0bbacd8eee4aba72
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SHA1
c99b3ff32ae7493377de5a1b323ac6061af17064
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SHA256
3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258
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SHA512
12a5c51c9b0d907fd7628eac2062a036b65aa9fb11bbb473a8a7e801f65e9c9fdcdaa156e033791f3d51a861b23faa6424201e3579b3332d574307d3e7c3ae33
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SSDEEP
6144:9Fse/HAftZpz74YMJdnm4RCvC37dmHMnTPjfrrRpX7zWXIyI32Tc2dI7a:9FseItZpz7FOm4IqmM7jf7Lz+IyxJua
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/2780-132-0x00000239157D0000-0x0000023919004000-memory.dmp family_zgrat_v1 behavioral2/memory/2780-133-0x00000239339A0000-0x0000023933AAA000-memory.dmp family_zgrat_v1 behavioral2/memory/2780-137-0x0000023933550000-0x0000023933574000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 2104 u3fc.0.exe 660 u3fc.1.exe -
Loads dropped DLL 2 IoCs
pid Process 2104 u3fc.0.exe 2104 u3fc.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 2072 4440 WerFault.exe 79 1164 2104 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 u3fc.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3fc.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3fc.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 u3fc.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3fc.0.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 2104 u3fc.0.exe 2104 u3fc.0.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2780 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 660 u3fc.1.exe 660 u3fc.1.exe 660 u3fc.1.exe 660 u3fc.1.exe 660 u3fc.1.exe 660 u3fc.1.exe 660 u3fc.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 660 u3fc.1.exe 660 u3fc.1.exe 660 u3fc.1.exe 660 u3fc.1.exe 660 u3fc.1.exe 660 u3fc.1.exe 660 u3fc.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4440 wrote to memory of 2104 4440 3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe 81 PID 4440 wrote to memory of 2104 4440 3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe 81 PID 4440 wrote to memory of 2104 4440 3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe 81 PID 4440 wrote to memory of 660 4440 3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe 84 PID 4440 wrote to memory of 660 4440 3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe 84 PID 4440 wrote to memory of 660 4440 3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe 84 PID 660 wrote to memory of 2780 660 u3fc.1.exe 91 PID 660 wrote to memory of 2780 660 u3fc.1.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe"C:\Users\Admin\AppData\Local\Temp\3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Users\Admin\AppData\Local\Temp\u3fc.0.exe"C:\Users\Admin\AppData\Local\Temp\u3fc.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 20883⤵
- Program crash
PID:1164
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C:\Users\Admin\AppData\Local\Temp\u3fc.1.exe"C:\Users\Admin\AppData\Local\Temp\u3fc.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:660 -
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:2780
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 9842⤵
- Program crash
PID:2072
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4440 -ip 44401⤵PID:4844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2104 -ip 21041⤵PID:3336
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
MD5edc037a7cd0aa171f05624a5039ec4ab
SHA1ea1fba688dacfcc2f5e2b47cbafae9d8fe9e56f7
SHA256f16af2555b6dea260a881e0ade7bb215942a23c6c1a10550e5fd4499bdf29dac
SHA51251707a2fc372b294b0bc2f0c7b7948965b006ac78be31ff433b7da660f0f4a4bbba36c17a7982abd54ef60b33a5b129865e65dd3b6c9992d450bfe38e2d8b0a3
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Filesize
231KB
MD58d1595054640e63c3ccc451b1454af73
SHA1d3e67396b4afd81aeb7bf463e5c9dc654169fd7e
SHA256b006c572d41bca024db5423a3ed281068ac751704ecfb558ec7866341559b628
SHA51235d5b8ba33f1526148cf6c3e03b7e9c26738d596522ac923dd747a74eaeace0ef872b3ee69689ad110d5ffb4018489c000819e7862e72f6738369c745ccd3b76
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954