Analysis
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max time kernel
147s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
07-05-2024 09:22
Static task
static1
Behavioral task
behavioral1
Sample
f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe
Resource
win10v2004-20240419-en
General
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Target
f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe
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Size
416KB
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MD5
da2cdea50e40f357b2f8fc5f00843c7e
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SHA1
4d93fa46c5f117ba0765ae46a9ac0ed8e3a7e0eb
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SHA256
f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c
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SHA512
fb94987681963ed18d4d395a52a684c7fd0610eb03e0ecfa1f9a807d1b3fd534a6126cfe2a5fec63660561af64f683bd604a7a039557ed1aa4e51f391fecaed7
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SSDEEP
6144:Is39oglCbCdvUevlzUusNjv80uIGK87Veb4Ow93mKWLZmuMiq:Is3+Ypvl5cv80FGKkOwStmuq
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/3388-100-0x000002436A0D0000-0x000002436D904000-memory.dmp family_zgrat_v1 behavioral2/memory/3388-107-0x00000243702B0000-0x00000243703BA000-memory.dmp family_zgrat_v1 behavioral2/memory/3388-111-0x000002436F830000-0x000002436F854000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 476 u2lg.0.exe 3784 u2lg.1.exe -
Loads dropped DLL 2 IoCs
pid Process 476 u2lg.0.exe 476 u2lg.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 936 3364 WerFault.exe 78 1160 476 WerFault.exe 80 -
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 u2lg.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2lg.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2lg.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 u2lg.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2lg.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 476 u2lg.0.exe 476 u2lg.0.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 476 u2lg.0.exe 476 u2lg.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3388 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3784 u2lg.1.exe 3784 u2lg.1.exe 3784 u2lg.1.exe 3784 u2lg.1.exe 3784 u2lg.1.exe 3784 u2lg.1.exe 3784 u2lg.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3784 u2lg.1.exe 3784 u2lg.1.exe 3784 u2lg.1.exe 3784 u2lg.1.exe 3784 u2lg.1.exe 3784 u2lg.1.exe 3784 u2lg.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3364 wrote to memory of 476 3364 f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe 80 PID 3364 wrote to memory of 476 3364 f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe 80 PID 3364 wrote to memory of 476 3364 f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe 80 PID 3364 wrote to memory of 3784 3364 f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe 83 PID 3364 wrote to memory of 3784 3364 f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe 83 PID 3364 wrote to memory of 3784 3364 f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe 83 PID 3784 wrote to memory of 3388 3784 u2lg.1.exe 89 PID 3784 wrote to memory of 3388 3784 u2lg.1.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe"C:\Users\Admin\AppData\Local\Temp\f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Users\Admin\AppData\Local\Temp\u2lg.0.exe"C:\Users\Admin\AppData\Local\Temp\u2lg.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:476 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 476 -s 20523⤵
- Program crash
PID:1160
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C:\Users\Admin\AppData\Local\Temp\u2lg.1.exe"C:\Users\Admin\AppData\Local\Temp\u2lg.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3784 -
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:3388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 11962⤵
- Program crash
PID:936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3364 -ip 33641⤵PID:764
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 476 -ip 4761⤵PID:2308
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
MD5c4e339723279dc3905dbec60e74b9a56
SHA183592b55d8df9affc8c7eecd9a9d9b36ac8da596
SHA2564b3899cda4b5bc1b7292936f88ba8caf267860aaf26e295bc0b22d0a3f2026d4
SHA5123e54c11f05fc9fda2d7dcb6fdc157a9683d2b5288a90e0e59319570d0ee627d65d55ab53db0f22cabb7127440195948ce39d1a33e9ecc75bea8d158d0cfc079e
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Filesize
274KB
MD516720a0516a6e23f11a66b0b8066e5a6
SHA1edf8d8c0eead559891856cf4a962705620dcb10e
SHA256949fb9d3d6ec5bb789ec5bef973e12f4500365137f4c8b2e285b3dc6e9ac88f2
SHA512c49dc5ea54c32ae5c5ff29ab2b997b9c930e9ce7d86d52993afd17e9816e73556e1c1e57b4e27f1db99442b414ebf22adb9966f7cca3a401ca6c7f85e9d0002e
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954