Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 10:43
Static task
static1
Behavioral task
behavioral1
Sample
46c518ab0703f0c58639b2d45476c8f0_NEAS.exe
Resource
win7-20240220-en
General
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Target
46c518ab0703f0c58639b2d45476c8f0_NEAS.exe
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Size
398KB
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MD5
46c518ab0703f0c58639b2d45476c8f0
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SHA1
63ad635114bf5405a612cce7b8ba3528b6820b90
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SHA256
65d8242fbed0d3353c7e08a89eccac1f1fe39cd3b4d35fe44202471dbdff8e9a
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SHA512
44c5c6d075b17b432bc76fb075dda81ae23f612d4835f10956897c0d38b784d53b348741ac93701100917d0e4e3fa7cb97850647245384c98d1f9c7adb0d4aa4
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SSDEEP
6144:WGuIeB32u0NksV1gwHG7zO4piTyDeDf0BRJFUydBc9qXGzRtKL/:OIeB3/0NkGSeGXO4Cye8BR3TfIqoA/
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/2312-146-0x0000022CE5E20000-0x0000022CE9654000-memory.dmp family_zgrat_v1 behavioral2/memory/2312-147-0x0000022CEBE70000-0x0000022CEBF7A000-memory.dmp family_zgrat_v1 behavioral2/memory/2312-151-0x0000022CEBB50000-0x0000022CEBB74000-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-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation 46c518ab0703f0c58639b2d45476c8f0_NEAS.exe Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation u2y4.1.exe -
Executes dropped EXE 2 IoCs
pid Process 1292 u2y4.0.exe 4936 u2y4.1.exe -
Loads dropped DLL 2 IoCs
pid Process 1292 u2y4.0.exe 1292 u2y4.0.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 1452 3820 WerFault.exe 85 1520 1292 WerFault.exe 92 -
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 u2y4.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2y4.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2y4.1.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 u2y4.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2y4.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1292 u2y4.0.exe 1292 u2y4.0.exe 1292 u2y4.0.exe 1292 u2y4.0.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2312 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4936 u2y4.1.exe 4936 u2y4.1.exe 4936 u2y4.1.exe 4936 u2y4.1.exe 4936 u2y4.1.exe 4936 u2y4.1.exe 4936 u2y4.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4936 u2y4.1.exe 4936 u2y4.1.exe 4936 u2y4.1.exe 4936 u2y4.1.exe 4936 u2y4.1.exe 4936 u2y4.1.exe 4936 u2y4.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3820 wrote to memory of 1292 3820 46c518ab0703f0c58639b2d45476c8f0_NEAS.exe 92 PID 3820 wrote to memory of 1292 3820 46c518ab0703f0c58639b2d45476c8f0_NEAS.exe 92 PID 3820 wrote to memory of 1292 3820 46c518ab0703f0c58639b2d45476c8f0_NEAS.exe 92 PID 3820 wrote to memory of 4936 3820 46c518ab0703f0c58639b2d45476c8f0_NEAS.exe 103 PID 3820 wrote to memory of 4936 3820 46c518ab0703f0c58639b2d45476c8f0_NEAS.exe 103 PID 3820 wrote to memory of 4936 3820 46c518ab0703f0c58639b2d45476c8f0_NEAS.exe 103 PID 4936 wrote to memory of 2312 4936 u2y4.1.exe 108 PID 4936 wrote to memory of 2312 4936 u2y4.1.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\46c518ab0703f0c58639b2d45476c8f0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\46c518ab0703f0c58639b2d45476c8f0_NEAS.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3820 -
C:\Users\Admin\AppData\Local\Temp\u2y4.0.exe"C:\Users\Admin\AppData\Local\Temp\u2y4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1292 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 19723⤵
- Program crash
PID:1520
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C:\Users\Admin\AppData\Local\Temp\u2y4.1.exe"C:\Users\Admin\AppData\Local\Temp\u2y4.1.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:4936 -
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:2312
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3820 -s 12402⤵
- Program crash
PID:1452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3820 -ip 38201⤵PID:2564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1292 -ip 12921⤵PID:1012
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
MD5b44ae00d23def44bfb1913dd771aa789
SHA133258c49da39cb0e2fb99633d288bbce02aed121
SHA2569aa53b2efcd62731d892d1b29367dd5b51d9e5a3b60b432a4ff866f24ade887d
SHA51267d216277f886bf5e55d9d2b650850af4cc3f1f90ab0137270aeb0cec0a9a49a6aef1cecba01d0b152255730765891f384a13b6f8cfca2a040ac945c21f0b5e8
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Filesize
265KB
MD5eeb8bf563a205225145140f3cd2de0f6
SHA16cb88d794e216abba97465a0e6eca264820bd69f
SHA256ee3c5b8ce2a5b1d40648fb75dd04df8bf6809c502911ddad87830a5b93253229
SHA5128b126db244a0b50df0f438b2f517ef4adf72b96f982ca006ef0751655796d1274004ff2dce40d9bb96e982dc6d960455253a71e299e3a2f2be6cc8c283a45d20
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954