Analysis
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max time kernel
131s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
06-05-2024 23:20
Static task
static1
Behavioral task
behavioral1
Sample
1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe
Resource
win10v2004-20240419-en
General
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Target
1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe
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Size
449KB
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MD5
2713d2fd750f1752932dd73ad4e6147d
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SHA1
af58830ec12e543d71ef8523c59b4f9b181f5eb1
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SHA256
1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722
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SHA512
7faed9bb59ad843bb4d9188345f4151033af3dd9b4d4c1d456d6bfc9ff7a67db98cddb0feb209a4d91eaeeb878bdebcf859c5639f2b3f56e4421247348ab3d54
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SSDEEP
12288:z4kni8/6leIbaECbwZzSSR1tqRnnKPkgq:k7ba7buzVzkRKPkgq
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 behavioral1/memory/2616-138-0x00000231BDFA0000-0x00000231C17D4000-memory.dmp family_zgrat_v1 behavioral1/memory/2616-139-0x00000231DBE60000-0x00000231DBF6A000-memory.dmp family_zgrat_v1 behavioral1/memory/2616-143-0x00000231DBFC0000-0x00000231DBFE4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation 1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation u3lk.1.exe -
Executes dropped EXE 2 IoCs
pid Process 1456 u3lk.0.exe 2664 u3lk.1.exe -
Loads dropped DLL 2 IoCs
pid Process 1456 u3lk.0.exe 1456 u3lk.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 3472 4664 WerFault.exe 82 1032 1456 WerFault.exe 93 -
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 u3lk.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3lk.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3lk.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3lk.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u3lk.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1456 u3lk.0.exe 1456 u3lk.0.exe 1456 u3lk.0.exe 1456 u3lk.0.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2664 u3lk.1.exe 2664 u3lk.1.exe 2664 u3lk.1.exe 2664 u3lk.1.exe 2664 u3lk.1.exe 2664 u3lk.1.exe 2664 u3lk.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2664 u3lk.1.exe 2664 u3lk.1.exe 2664 u3lk.1.exe 2664 u3lk.1.exe 2664 u3lk.1.exe 2664 u3lk.1.exe 2664 u3lk.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4664 wrote to memory of 1456 4664 1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe 93 PID 4664 wrote to memory of 1456 4664 1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe 93 PID 4664 wrote to memory of 1456 4664 1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe 93 PID 4664 wrote to memory of 2664 4664 1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe 96 PID 4664 wrote to memory of 2664 4664 1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe 96 PID 4664 wrote to memory of 2664 4664 1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe 96 PID 2664 wrote to memory of 2616 2664 u3lk.1.exe 107 PID 2664 wrote to memory of 2616 2664 u3lk.1.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe"C:\Users\Admin\AppData\Local\Temp\1b96d860921481cc774c4adf05e1688d9a8d6cc7481e9fc24fd9a05b537a6722.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Users\Admin\AppData\Local\Temp\u3lk.0.exe"C:\Users\Admin\AppData\Local\Temp\u3lk.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1456 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 19843⤵
- Program crash
PID:1032
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C:\Users\Admin\AppData\Local\Temp\u3lk.1.exe"C:\Users\Admin\AppData\Local\Temp\u3lk.1.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2664 -
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:2616
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 15522⤵
- Program crash
PID:3472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4664 -ip 46641⤵PID:4868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1456 -ip 14561⤵PID:868
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
MD52bf82ec45252e34a69cadb1ea49bfd1e
SHA1ad8b5f24d86b8d57ce0b5038eeeb9bbd711c34f8
SHA2568d29b34e8229c77732b6b35727a46ecfa9e8dc004d8138c2102532aefb584394
SHA5122644074f115f1cfca07678c2b9aa7bb27d66586c995e55778a09080f9586a7d66e44ea1ae1c0a2156197be2618d6874bc24d5779fdc2030895a8544c1a73ff84
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Filesize
308KB
MD54989a0cdd90c1864f801e4f15a1f2e94
SHA1f395f00b1bd62546bd0e67bea68aff3bf8bda0d2
SHA256d70ca1aba20eca32e5cdc71bfde5744070a94b7022ac6ce1575aa2692a89d41e
SHA5124142bea9c8cff78bc602eb8bd077b30859aa073a473764052bdd3539167138a9452a57865d33383817ee8a08c16bdba818ae9cf0ca633d83f833d48ab5a5f09f
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954