Analysis
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max time kernel
146s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
05-05-2024 17:02
Static task
static1
Behavioral task
behavioral1
Sample
fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe
Resource
win10v2004-20240426-en
General
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Target
fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe
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Size
416KB
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MD5
aaabb4c4ac380f6b7c523f0324c3373c
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SHA1
22d5981c01e32dec8d50665d869b6d16840d2be4
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SHA256
fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da
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SHA512
9f02326f60e8b2792f152da9088b910ec529873525a04b2fc0d05ae732b2b0eea21e82e65f2817891b6e5a43e7ff09c22116359f9187c23ed1fe230bac501b18
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SSDEEP
6144:aG9wXO/32gvPgCN0gydZj2u1O09omacTDTqbWLKLetZ2mrp76:BwQ3zPgCNCdZ5M092b1KDH6
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/3568-97-0x000001BF7FCA0000-0x000001BF83598000-memory.dmp family_zgrat_v1 behavioral2/memory/3568-107-0x000001BF1A7E0000-0x000001BF1A8F0000-memory.dmp family_zgrat_v1 behavioral2/memory/3568-111-0x000001BF01D80000-0x000001BF01DA4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 4824 u2zo.0.exe 2716 u2zo.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4824 u2zo.0.exe 4824 u2zo.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 4772 3876 WerFault.exe 79 5060 4824 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 u2zo.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2zo.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2zo.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 u2zo.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2zo.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 4824 u2zo.0.exe 4824 u2zo.0.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4824 u2zo.0.exe 4824 u2zo.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3568 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2716 u2zo.1.exe 2716 u2zo.1.exe 2716 u2zo.1.exe 2716 u2zo.1.exe 2716 u2zo.1.exe 2716 u2zo.1.exe 2716 u2zo.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2716 u2zo.1.exe 2716 u2zo.1.exe 2716 u2zo.1.exe 2716 u2zo.1.exe 2716 u2zo.1.exe 2716 u2zo.1.exe 2716 u2zo.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3876 wrote to memory of 4824 3876 fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe 81 PID 3876 wrote to memory of 4824 3876 fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe 81 PID 3876 wrote to memory of 4824 3876 fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe 81 PID 3876 wrote to memory of 2716 3876 fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe 84 PID 3876 wrote to memory of 2716 3876 fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe 84 PID 3876 wrote to memory of 2716 3876 fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe 84 PID 2716 wrote to memory of 3568 2716 u2zo.1.exe 90 PID 2716 wrote to memory of 3568 2716 u2zo.1.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe"C:\Users\Admin\AppData\Local\Temp\fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3876 -
C:\Users\Admin\AppData\Local\Temp\u2zo.0.exe"C:\Users\Admin\AppData\Local\Temp\u2zo.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4824 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 24203⤵
- Program crash
PID:5060
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C:\Users\Admin\AppData\Local\Temp\u2zo.1.exe"C:\Users\Admin\AppData\Local\Temp\u2zo.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2716 -
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:3568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 12442⤵
- Program crash
PID:4772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3876 -ip 38761⤵PID:1176
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4824 -ip 48241⤵PID:4632
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
MD566a5d2f1451fe78f6a802c82c055a889
SHA12a5a2826a641d4480097be880234d19b66604411
SHA256975132aa33bd0792e1713b5afd17af2ffce4f2b7a04bca482d1c0dd5d5cc56ca
SHA5129654abce31ccfde88bc22e70aa7c84268df3be7280ebae6618ddd426d01e410502d25a20e3c6d49a89ed115d224cbcce9ffc3cbc5dcf086590f1743c9892dd94
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Filesize
274KB
MD572650f024358627e959b3e486b30471e
SHA1ff2dd1495fa40008354f3f5b16a51125dc6a56fe
SHA2565d0d85b7fa9992568b57bc90e3e4407d6903388623b7cae8683d04a2c46a62d2
SHA5125f55f6707df28ea668f9edbaf0039ff48acf1f42728ef7dfb455f2e97a757dd7781e962cc6a83070602e0ab3384219bc39832b7af28db2ac8307f5027c9b2aa3
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954