Analysis
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max time kernel
124s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-05-2024 12:50
Static task
static1
Behavioral task
behavioral1
Sample
bc27633cac9b7c7c5c5a81be2729a36f7bfd2ced530e46f0a0cfad714f284c44.exe
Resource
win10v2004-20240419-en
General
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Target
bc27633cac9b7c7c5c5a81be2729a36f7bfd2ced530e46f0a0cfad714f284c44.exe
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Size
416KB
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MD5
938036d70426ce954b4d5f026ebb81d7
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SHA1
994d47f8879c6c72394fa9a701be0a9b41ee51a5
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SHA256
bc27633cac9b7c7c5c5a81be2729a36f7bfd2ced530e46f0a0cfad714f284c44
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SHA512
f475139bb22f835f7423fd7b06aede4fc7fd3c6c4227b9a4de0cc2e38d076db801b2f848ee490da435d1779e82b9a9b1ff05d783e0dead4f2e902067e6f0fd4c
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SSDEEP
6144:H/BZItaWG0e12qQ61HC7bIxM6Wp8ik/QAYiVA2XOxx0HNhBp7/nyaFotaZs:fBZI4WObXGIa6AA/eV+HNhLvCtcs
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/4088-134-0x000002259DD80000-0x00000225A1678000-memory.dmp family_zgrat_v1 behavioral2/memory/4088-135-0x00000225BBDE0000-0x00000225BBEF0000-memory.dmp family_zgrat_v1 behavioral2/memory/4088-139-0x00000225BBEF0000-0x00000225BBF14000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 4652 ulg.0.exe 5016 ulg.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4652 ulg.0.exe 4652 ulg.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 1016 772 WerFault.exe 78 3980 4652 WerFault.exe 80 -
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 ulg.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ulg.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ulg.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 ulg.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ulg.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4652 ulg.0.exe 4652 ulg.0.exe 4652 ulg.0.exe 4652 ulg.0.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4088 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 5016 ulg.1.exe 5016 ulg.1.exe 5016 ulg.1.exe 5016 ulg.1.exe 5016 ulg.1.exe 5016 ulg.1.exe 5016 ulg.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 5016 ulg.1.exe 5016 ulg.1.exe 5016 ulg.1.exe 5016 ulg.1.exe 5016 ulg.1.exe 5016 ulg.1.exe 5016 ulg.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 772 wrote to memory of 4652 772 bc27633cac9b7c7c5c5a81be2729a36f7bfd2ced530e46f0a0cfad714f284c44.exe 80 PID 772 wrote to memory of 4652 772 bc27633cac9b7c7c5c5a81be2729a36f7bfd2ced530e46f0a0cfad714f284c44.exe 80 PID 772 wrote to memory of 4652 772 bc27633cac9b7c7c5c5a81be2729a36f7bfd2ced530e46f0a0cfad714f284c44.exe 80 PID 772 wrote to memory of 5016 772 bc27633cac9b7c7c5c5a81be2729a36f7bfd2ced530e46f0a0cfad714f284c44.exe 83 PID 772 wrote to memory of 5016 772 bc27633cac9b7c7c5c5a81be2729a36f7bfd2ced530e46f0a0cfad714f284c44.exe 83 PID 772 wrote to memory of 5016 772 bc27633cac9b7c7c5c5a81be2729a36f7bfd2ced530e46f0a0cfad714f284c44.exe 83 PID 5016 wrote to memory of 4088 5016 ulg.1.exe 91 PID 5016 wrote to memory of 4088 5016 ulg.1.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\bc27633cac9b7c7c5c5a81be2729a36f7bfd2ced530e46f0a0cfad714f284c44.exe"C:\Users\Admin\AppData\Local\Temp\bc27633cac9b7c7c5c5a81be2729a36f7bfd2ced530e46f0a0cfad714f284c44.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Users\Admin\AppData\Local\Temp\ulg.0.exe"C:\Users\Admin\AppData\Local\Temp\ulg.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4652 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 20563⤵
- Program crash
PID:3980
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C:\Users\Admin\AppData\Local\Temp\ulg.1.exe"C:\Users\Admin\AppData\Local\Temp\ulg.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5016 -
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:4088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 15642⤵
- Program crash
PID:1016
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 772 -ip 7721⤵PID:2036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4652 -ip 46521⤵PID:4512
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
MD5b0af045d069f39326909bc3222c84416
SHA1f1a52d5d1bbdbcb8acac71a841d8c864d5d88306
SHA256f8c37aed3d8544436b10934571935123d38b5f9bc5b5424eb198a265720cb120
SHA5127f18e377a0ef8f1e2e32d85d5c7015d310ab568167d596f1d5bc95693ab63a4e5a45ddcc812fa0e07b14ceb666c935c011c8d6d481d460619b6af1a6bc2690ce
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Filesize
274KB
MD5b63651242fe0e7f1fec1bde74aa9a314
SHA1207fa50fec5ad58497fe74ab1025fa5581aa7bba
SHA256bab90c5ac83470d55766cdbd3dffb8f4f4531d7b3fdf49dd5e318def2697c44c
SHA51205df1e4d9d9a42efa9638eb92d37dc37c30c6cf9abf89ca97c46cbab0ea2de87c9d3723561dbf33e6832dd69774ccc16405ac121c9450e5f82db5d73863e335f
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954