Analysis
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max time kernel
147s -
max time network
125s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
11-05-2024 21:16
Static task
static1
Behavioral task
behavioral1
Sample
5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe
Resource
win10v2004-20240226-en
General
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Target
5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe
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Size
386KB
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MD5
9483e9e0e34fa56d3ee1f4ab1d79f0d7
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SHA1
c192ad0730e31827ce449fa7bca9e4a4bc025242
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SHA256
5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6
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SHA512
a883179f2d620e9f41633fc6f9938667cadcce8bc8542146feff7b8152144a95618b82f3eb134143ce233de7c05379f49744d188c8b5f8c6b9c7610e4dd94bca
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SSDEEP
6144:TcykrZfMtgEBXGx0Xy5gul0n4Qgf3ONjMMejZxxXx+0jTw3J:TcyktfW/tXZbgf3ONj7elxJw3J
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/1968-129-0x0000023234AF0000-0x0000023238324000-memory.dmp family_zgrat_v1 behavioral2/memory/1968-130-0x0000023252CF0000-0x0000023252DFA000-memory.dmp family_zgrat_v1 behavioral2/memory/1968-138-0x0000023252830000-0x0000023252854000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3544 u2v8.0.exe 4520 u2v8.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3544 u2v8.0.exe 3544 u2v8.0.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 1 IoCs
pid pid_target Process procid_target 4104 3716 WerFault.exe 79 -
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 u2v8.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2v8.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2v8.1.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 u2v8.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2v8.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 3544 u2v8.0.exe 3544 u2v8.0.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4520 u2v8.1.exe 4520 u2v8.1.exe 4520 u2v8.1.exe 4520 u2v8.1.exe 4520 u2v8.1.exe 4520 u2v8.1.exe 4520 u2v8.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4520 u2v8.1.exe 4520 u2v8.1.exe 4520 u2v8.1.exe 4520 u2v8.1.exe 4520 u2v8.1.exe 4520 u2v8.1.exe 4520 u2v8.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3716 wrote to memory of 3544 3716 5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe 82 PID 3716 wrote to memory of 3544 3716 5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe 82 PID 3716 wrote to memory of 3544 3716 5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe 82 PID 3716 wrote to memory of 4520 3716 5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe 85 PID 3716 wrote to memory of 4520 3716 5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe 85 PID 3716 wrote to memory of 4520 3716 5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe 85 PID 4520 wrote to memory of 1968 4520 u2v8.1.exe 90 PID 4520 wrote to memory of 1968 4520 u2v8.1.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe"C:\Users\Admin\AppData\Local\Temp\5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Users\Admin\AppData\Local\Temp\u2v8.0.exe"C:\Users\Admin\AppData\Local\Temp\u2v8.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3544
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C:\Users\Admin\AppData\Local\Temp\u2v8.1.exe"C:\Users\Admin\AppData\Local\Temp\u2v8.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4520 -
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:1968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 9762⤵
- Program crash
PID:4104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3716 -ip 37161⤵PID:2244
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
245KB
MD5d87a1f0a676a9119320c882b1e927e52
SHA1f5d15211edc12d93b33c4ef54f16b3677c3c746c
SHA2564eb215aa80ea20f514aa4815bc82f872bf7130391e21509aef3a29cb34d3a420
SHA512a99e5cbb1d3d3a1b670479351be280367ebcf6913781bd205f4b301c4f52eb0c691a0a30b8b04714c26797a334b99eaa53b314e428baaada301fd39800d8c435
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954