Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
10-05-2024 23:20
Static task
static1
Behavioral task
behavioral1
Sample
6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe
Resource
win10v2004-20240426-en
General
-
Target
6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe
-
Size
388KB
-
MD5
eb13e8491558931e081d59aabc33c3b9
-
SHA1
d2121d6477c0b6151a678124b501963ef1800870
-
SHA256
6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2
-
SHA512
eb088ab6ea52ffad21f23a0011d21ad1057f2571e46b741804069d39e7d96e07593c270939edc0581ff65d7fc6a0b7ae8e903a0ba480b9d33f2493db541a8acf
-
SSDEEP
12288:qDlQzUu8cUKdZN3QCUAWAOnxf3kBOtHKp6:qDqLU4zU9B3cOBKp6
Malware Config
Extracted
stealc
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
-
Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/3216-62-0x0000026CDBFB0000-0x0000026CDF7E4000-memory.dmp family_zgrat_v1 behavioral1/memory/3216-64-0x0000026CFAD20000-0x0000026CFAE2A000-memory.dmp family_zgrat_v1 behavioral1/memory/3216-68-0x0000026CF9CF0000-0x0000026CF9D14000-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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation 6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation u16o.1.exe -
Executes dropped EXE 2 IoCs
pid Process 1456 u16o.0.exe 1116 u16o.1.exe -
Loads dropped DLL 2 IoCs
pid Process 1456 u16o.0.exe 1456 u16o.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 388 1536 WerFault.exe 82 1344 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 u16o.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u16o.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u16o.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 u16o.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u16o.0.exe -
Suspicious behavior: EnumeratesProcesses 27 IoCs
pid Process 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1456 u16o.0.exe 1456 u16o.0.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3216 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1116 u16o.1.exe 1116 u16o.1.exe 1116 u16o.1.exe 1116 u16o.1.exe 1116 u16o.1.exe 1116 u16o.1.exe 1116 u16o.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1116 u16o.1.exe 1116 u16o.1.exe 1116 u16o.1.exe 1116 u16o.1.exe 1116 u16o.1.exe 1116 u16o.1.exe 1116 u16o.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1536 wrote to memory of 1456 1536 6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe 93 PID 1536 wrote to memory of 1456 1536 6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe 93 PID 1536 wrote to memory of 1456 1536 6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe 93 PID 1536 wrote to memory of 1116 1536 6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe 95 PID 1536 wrote to memory of 1116 1536 6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe 95 PID 1536 wrote to memory of 1116 1536 6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe 95 PID 1116 wrote to memory of 3216 1116 u16o.1.exe 102 PID 1116 wrote to memory of 3216 1116 u16o.1.exe 102
Processes
-
C:\Users\Admin\AppData\Local\Temp\6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe"C:\Users\Admin\AppData\Local\Temp\6593e4b3c34de224409a4559ca38c481965d3c4f41b4403235261eedb15cf3f2.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Users\Admin\AppData\Local\Temp\u16o.0.exe"C:\Users\Admin\AppData\Local\Temp\u16o.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 24003⤵
- Program crash
PID:1344
-
-
-
C:\Users\Admin\AppData\Local\Temp\u16o.1.exe"C:\Users\Admin\AppData\Local\Temp\u16o.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:1116 -
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:3216
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 9802⤵
- Program crash
PID:388
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1536 -ip 15361⤵PID:2768
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1456 -ip 14561⤵PID:2324
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
MD5ab5d14a64e46be08176b03fb24e93029
SHA18df4c85752cadc94a8828c83a01f21bc13502ae8
SHA256c5252bbaaec2f640970905ca1f7e34f69322c1f0379520392e1ab0b4039bdada
SHA51260a60a8a80c64a1a4fa2b8aef348b776b5be2c0eb41faeda721c2b7ba15380064ec99bb2d61fae7a784e9d412cce30df402b0b80fd14c1e0f94c933457e9c24c
-
Filesize
245KB
MD5cfb8824b499984790712831e50496700
SHA11288049dd8aa866991e826944b6a5c1dee0e3da0
SHA25668ab41d802805f74bde3127b20febf98c31a57ab32de9302e53e681599ac7308
SHA512b12579984e8499ae8564f6a580ef9af63bcf2b9f175badd2032b353d7fac1826dead3ea661d973fe198cae04f2d77d6b59e65fc90ea25d460c1b72b4cb56cdff
-
Filesize
3.6MB
MD5bdd4b83b24911fa921092e096d399ac9
SHA11a9d97edbce74e14676b7362a1f35ee87e934448
SHA25686e8ec464f8b3a2877085e8f0e05d75f451f099cbd8d9973bad7a3e113145b4a
SHA512ba1382c9cae8242f78ebc6c61a636c167e8efbd5500cd0848c1deb26708d17e033ebc19835677ceb68d96a1c7b5b49b091b047db070dfa31809bdcf3ea791f1d
-
Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954