Analysis
-
max time kernel
133s -
max time network
129s -
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 22:06
Static task
static1
Behavioral task
behavioral1
Sample
58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe
Resource
win10v2004-20240419-en
General
-
Target
58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe
-
Size
423KB
-
MD5
e0d7b28dd6347e307c7f8a11596a6dfc
-
SHA1
a08fd1ef59115feefeba7c86e0883a7a598a945e
-
SHA256
58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e
-
SHA512
a90f9b7b4fb9b280c59b116c2a4ae4142cc921318d661ca9cf2192e55c0421999eef3f853bc8deaafd99b4368879e656f384dd587be16a5f371412887d9b589a
-
SSDEEP
12288:U9Ez/mnZVKQ6Bci6D+GYFBBeHJYaxpYkwa:oHVKQ6d6qGYFB8lLYkwa
Malware Config
Extracted
stealc
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
-
Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/4692-130-0x000001C0C9E40000-0x000001C0CD674000-memory.dmp family_zgrat_v1 behavioral1/memory/4692-131-0x000001C0E7CF0000-0x000001C0E7DFA000-memory.dmp family_zgrat_v1 behavioral1/memory/4692-135-0x000001C0E7E20000-0x000001C0E7E44000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
-
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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation u3pk.1.exe -
Executes dropped EXE 2 IoCs
pid Process 4464 u3pk.0.exe 2748 u3pk.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4464 u3pk.0.exe 4464 u3pk.0.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 2 IoCs
pid pid_target Process procid_target 508 4808 WerFault.exe 82 3932 4464 WerFault.exe 90 -
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 u3pk.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3pk.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3pk.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 u3pk.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3pk.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4464 u3pk.0.exe 4464 u3pk.0.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4464 u3pk.0.exe 4464 u3pk.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4692 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2748 u3pk.1.exe 2748 u3pk.1.exe 2748 u3pk.1.exe 2748 u3pk.1.exe 2748 u3pk.1.exe 2748 u3pk.1.exe 2748 u3pk.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2748 u3pk.1.exe 2748 u3pk.1.exe 2748 u3pk.1.exe 2748 u3pk.1.exe 2748 u3pk.1.exe 2748 u3pk.1.exe 2748 u3pk.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4808 wrote to memory of 4464 4808 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 90 PID 4808 wrote to memory of 4464 4808 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 90 PID 4808 wrote to memory of 4464 4808 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 90 PID 4808 wrote to memory of 2748 4808 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 94 PID 4808 wrote to memory of 2748 4808 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 94 PID 4808 wrote to memory of 2748 4808 58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe 94 PID 2748 wrote to memory of 4692 2748 u3pk.1.exe 104 PID 2748 wrote to memory of 4692 2748 u3pk.1.exe 104
Processes
-
C:\Users\Admin\AppData\Local\Temp\58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe"C:\Users\Admin\AppData\Local\Temp\58d2b454db2bf30b1101655231fd9e61b7b4a00c3f2b583f4422f8d541b1c91e.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Users\Admin\AppData\Local\Temp\u3pk.0.exe"C:\Users\Admin\AppData\Local\Temp\u3pk.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4464 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 24803⤵
- Program crash
PID:3932
-
-
-
C:\Users\Admin\AppData\Local\Temp\u3pk.1.exe"C:\Users\Admin\AppData\Local\Temp\u3pk.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:2748 -
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:4692
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 9842⤵
- Program crash
PID:508
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4808 -ip 48081⤵PID:4100
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4464 -ip 44641⤵PID:1148
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
-
Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
-
Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
-
Filesize
2KB
MD5f5b1e750e5c1594c4ae62f3f65f8f60e
SHA1c7abe4490b1a20c5482c1b74fa9b8340c1d5e6b6
SHA256d739ee2c4366cb77650ab130499defd0638e7c2a4f26a656558368885e59cea8
SHA512f26d95d3e8c51f16fc071b897980e946a7236479be928e08a373ba55ac76db226fa940cead23fb4cc68eea07ee5ae313ab736964a8185436952fe00713312c5a
-
Filesize
282KB
MD5f72e01dfb65e6409cb0fc611e466e9d5
SHA1e3d9f9d5e531ea1537bbecbf8064c5772a3c4a26
SHA2567eec5c68ccc964cae08684c73b65a0427623454286b253b4ee4453dc1aa93bbf
SHA5127f47b5e7d997d923ca3d2a481bd8754b01c444c3be284b01e8577e58632bf1b69db87927e57079999e9ffc4dc1d50c45b68a5ce3b4ad58bdcf55d48acb9a87c1
-
Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954