Analysis
-
max time kernel
147s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
10-05-2024 23:24
Static task
static1
Behavioral task
behavioral1
Sample
929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe
Resource
win10v2004-20240508-en
General
-
Target
929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe
-
Size
388KB
-
MD5
94ffc96d37265d92da2406a89cc3758d
-
SHA1
b570efb0a6b5cf23cc8a19f48ff359b6156d27e8
-
SHA256
929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e
-
SHA512
0a6c3af80dc9243e5b9ea454268059a112d5c744568016c2924636e69d39e86c8ad3abeeba99bce801c00105b63bb80bb2388407cfe7123f0181ee5f6f0b1882
-
SSDEEP
12288:qDlQzUu8cUKdZN3QCUAWAOnxf3kBOtHKp1:qDqLU4zU9B3cOBKp1
Malware Config
Extracted
stealc
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
-
Detect ZGRat V1 3 IoCs
resource yara_rule behavioral2/memory/4668-128-0x000001F418850000-0x000001F41C084000-memory.dmp family_zgrat_v1 behavioral2/memory/4668-129-0x000001F436910000-0x000001F436A1A000-memory.dmp family_zgrat_v1 behavioral2/memory/4668-133-0x000001F4366D0000-0x000001F4366F4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
-
Executes dropped EXE 2 IoCs
pid Process 2300 u2kc.0.exe 1972 u2kc.1.exe -
Loads dropped DLL 2 IoCs
pid Process 2300 u2kc.0.exe 2300 u2kc.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 3844 3324 WerFault.exe 80 3216 2300 WerFault.exe 83 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2kc.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2kc.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2kc.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 u2kc.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2kc.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2300 u2kc.0.exe 2300 u2kc.0.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4668 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1972 u2kc.1.exe 1972 u2kc.1.exe 1972 u2kc.1.exe 1972 u2kc.1.exe 1972 u2kc.1.exe 1972 u2kc.1.exe 1972 u2kc.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1972 u2kc.1.exe 1972 u2kc.1.exe 1972 u2kc.1.exe 1972 u2kc.1.exe 1972 u2kc.1.exe 1972 u2kc.1.exe 1972 u2kc.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3324 wrote to memory of 2300 3324 929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe 83 PID 3324 wrote to memory of 2300 3324 929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe 83 PID 3324 wrote to memory of 2300 3324 929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe 83 PID 3324 wrote to memory of 1972 3324 929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe 86 PID 3324 wrote to memory of 1972 3324 929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe 86 PID 3324 wrote to memory of 1972 3324 929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe 86 PID 1972 wrote to memory of 4668 1972 u2kc.1.exe 91 PID 1972 wrote to memory of 4668 1972 u2kc.1.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe"C:\Users\Admin\AppData\Local\Temp\929b4c620fbb3eefd458c2869b2830ac648151a6abf5d33c2666cafb35fa5d1e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3324 -
C:\Users\Admin\AppData\Local\Temp\u2kc.0.exe"C:\Users\Admin\AppData\Local\Temp\u2kc.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2300 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 20523⤵
- Program crash
PID:3216
-
-
-
C:\Users\Admin\AppData\Local\Temp\u2kc.1.exe"C:\Users\Admin\AppData\Local\Temp\u2kc.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1972 -
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:4668
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 11642⤵
- Program crash
PID:3844
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3324 -ip 33241⤵PID:4896
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2300 -ip 23001⤵PID:1104
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
3KB
MD5c64ede1daf35a7c5aa5dca438840874f
SHA1aff21e995cef7ebc592e0a748722e1d42932b9fb
SHA2562986267eeacf8b2ba6b1ef87b247d1814a0f445c2859be2a6abd423288f23da8
SHA512b9c53ebc14983ae6efead2ae18f2bce29ed9077753c5c0dd0031cc39bc077e27224daf69820add8af9ae7165d6bdf6c5dba3b658a2df6f805dc88e8b30af3b28
-
Filesize
245KB
MD5cfb8824b499984790712831e50496700
SHA11288049dd8aa866991e826944b6a5c1dee0e3da0
SHA25668ab41d802805f74bde3127b20febf98c31a57ab32de9302e53e681599ac7308
SHA512b12579984e8499ae8564f6a580ef9af63bcf2b9f175badd2032b353d7fac1826dead3ea661d973fe198cae04f2d77d6b59e65fc90ea25d460c1b72b4cb56cdff
-
Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954