Analysis
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max time kernel
132s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
10-05-2024 09:20
Static task
static1
Behavioral task
behavioral1
Sample
f22b2ffe8faeea30ca4f1c9a3a648d6fcb143632eb3eb55cb753b237cf95fc75.exe
Resource
win10v2004-20240426-en
General
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Target
f22b2ffe8faeea30ca4f1c9a3a648d6fcb143632eb3eb55cb753b237cf95fc75.exe
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Size
372KB
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MD5
0ccad15d16583f7f65cbdc18da2f0c3b
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SHA1
434d41183535bcfc710397537988ad220f003e67
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SHA256
f22b2ffe8faeea30ca4f1c9a3a648d6fcb143632eb3eb55cb753b237cf95fc75
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SHA512
7a4064edc46bddd2f074cd31d55b9d24b1d04df8311059f46db663c6bc62f39e459badc4a0288605a1cf4836ad39de2b45931edae5605005b1285baa39bf9c2d
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SSDEEP
6144:CKnC1VEKPHySHREDpdksUZBg7C6vZb/TwZ7LylNK6nhByUSXyYTkJft6:CKnCgaSSxELksMUvlLwZ7LKjJ8kJl6
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/1468-128-0x000001FCF97E0000-0x000001FCFD014000-memory.dmp family_zgrat_v1 behavioral2/memory/1468-129-0x000001FC9A400000-0x000001FC9A50A000-memory.dmp family_zgrat_v1 behavioral2/memory/1468-133-0x000001FC9A270000-0x000001FC9A294000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3388 u1s4.0.exe 1836 u1s4.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3388 u1s4.0.exe 3388 u1s4.0.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 3200 2308 WerFault.exe 78 3620 3388 WerFault.exe 83 -
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 u1s4.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1s4.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1s4.1.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 u1s4.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1s4.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 3388 u1s4.0.exe 3388 u1s4.0.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1836 u1s4.1.exe 1836 u1s4.1.exe 1836 u1s4.1.exe 1836 u1s4.1.exe 1836 u1s4.1.exe 1836 u1s4.1.exe 1836 u1s4.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1836 u1s4.1.exe 1836 u1s4.1.exe 1836 u1s4.1.exe 1836 u1s4.1.exe 1836 u1s4.1.exe 1836 u1s4.1.exe 1836 u1s4.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2308 wrote to memory of 3388 2308 f22b2ffe8faeea30ca4f1c9a3a648d6fcb143632eb3eb55cb753b237cf95fc75.exe 83 PID 2308 wrote to memory of 3388 2308 f22b2ffe8faeea30ca4f1c9a3a648d6fcb143632eb3eb55cb753b237cf95fc75.exe 83 PID 2308 wrote to memory of 3388 2308 f22b2ffe8faeea30ca4f1c9a3a648d6fcb143632eb3eb55cb753b237cf95fc75.exe 83 PID 2308 wrote to memory of 1836 2308 f22b2ffe8faeea30ca4f1c9a3a648d6fcb143632eb3eb55cb753b237cf95fc75.exe 86 PID 2308 wrote to memory of 1836 2308 f22b2ffe8faeea30ca4f1c9a3a648d6fcb143632eb3eb55cb753b237cf95fc75.exe 86 PID 2308 wrote to memory of 1836 2308 f22b2ffe8faeea30ca4f1c9a3a648d6fcb143632eb3eb55cb753b237cf95fc75.exe 86 PID 1836 wrote to memory of 1468 1836 u1s4.1.exe 91 PID 1836 wrote to memory of 1468 1836 u1s4.1.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\f22b2ffe8faeea30ca4f1c9a3a648d6fcb143632eb3eb55cb753b237cf95fc75.exe"C:\Users\Admin\AppData\Local\Temp\f22b2ffe8faeea30ca4f1c9a3a648d6fcb143632eb3eb55cb753b237cf95fc75.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Users\Admin\AppData\Local\Temp\u1s4.0.exe"C:\Users\Admin\AppData\Local\Temp\u1s4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3388 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3388 -s 20803⤵
- Program crash
PID:3620
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C:\Users\Admin\AppData\Local\Temp\u1s4.1.exe"C:\Users\Admin\AppData\Local\Temp\u1s4.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1836 -
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:1468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 15282⤵
- Program crash
PID:3200
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2308 -ip 23081⤵PID:3176
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3388 -ip 33881⤵PID:1544
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
MD549b27d71589f79fcf038506a5ab9a1b4
SHA149a0d1f07571317cda74cba1aa0f23376217a0dc
SHA2564ac801807b5b5d773fbcb0ad536b5c021fe0b7571152e2c27c1371013584947f
SHA5129549cb93a8b465960618cd4b9e5ac67a4a4ce26f98ddd9eda901647329b95fed0d32e89ef7e5f25c325ba2954130929bff144fc498f8cb672e5c7099ce9f1d89
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Filesize
230KB
MD5cb0f143b280b0c05a99a0f3e8738b677
SHA11bccf20abd6596cd529764d64de49246478423a5
SHA256d8a59077be36b67679feb9e8f1df536378f2caf9be5e0d8abad95453d8589c79
SHA512a57a0313ecd220540153fad20b96fb8ae61f62cb34fa9c35b4a93df693bf9fc8f55c7e50342603e86ece4ceae68ac86f1cadb61754bd787cf3b32aa085cd867b
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954