Analysis
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max time kernel
126s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-05-2024 19:49
Static task
static1
Behavioral task
behavioral1
Sample
fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe
Resource
win10v2004-20240426-en
General
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Target
fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe
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Size
415KB
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MD5
2c418334727e8fc2b5cfbd75f5d279ec
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SHA1
554e3b34a4d09d61da5bb35fb50638cb74c4dc32
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SHA256
fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083
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SHA512
c21dd93e0b032d5daa1615f19e429adfc056b2a90b3358c36b0f614a1dd8dfa7e09d722c49bffa71227d3f4ce5b9802212bc41db219e90176087ef573d285af6
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SSDEEP
6144:P50SXOdGHuDgJrhcqwNlpOE7oXLp3FkOfU49bCs7LrkA1:qSXOdvDIXY7O9X13FknszkA1
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/3200-108-0x0000022B6EEC0000-0x0000022B727B8000-memory.dmp family_zgrat_v1 behavioral2/memory/3200-109-0x0000022B750D0000-0x0000022B751E0000-memory.dmp family_zgrat_v1 behavioral2/memory/3200-113-0x0000022B744E0000-0x0000022B74504000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 2464 u1us.0.exe 3428 u1us.1.exe -
Loads dropped DLL 2 IoCs
pid Process 2464 u1us.0.exe 2464 u1us.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 868 2404 WerFault.exe 79 2828 2464 WerFault.exe 82 -
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 u1us.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1us.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1us.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 u1us.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u1us.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 2464 u1us.0.exe 2464 u1us.0.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2464 u1us.0.exe 2464 u1us.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3200 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3428 u1us.1.exe 3428 u1us.1.exe 3428 u1us.1.exe 3428 u1us.1.exe 3428 u1us.1.exe 3428 u1us.1.exe 3428 u1us.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3428 u1us.1.exe 3428 u1us.1.exe 3428 u1us.1.exe 3428 u1us.1.exe 3428 u1us.1.exe 3428 u1us.1.exe 3428 u1us.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2404 wrote to memory of 2464 2404 fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe 82 PID 2404 wrote to memory of 2464 2404 fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe 82 PID 2404 wrote to memory of 2464 2404 fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe 82 PID 2404 wrote to memory of 3428 2404 fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe 85 PID 2404 wrote to memory of 3428 2404 fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe 85 PID 2404 wrote to memory of 3428 2404 fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe 85 PID 3428 wrote to memory of 3200 3428 u1us.1.exe 90 PID 3428 wrote to memory of 3200 3428 u1us.1.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe"C:\Users\Admin\AppData\Local\Temp\fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Users\Admin\AppData\Local\Temp\u1us.0.exe"C:\Users\Admin\AppData\Local\Temp\u1us.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2464 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 24403⤵
- Program crash
PID:2828
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C:\Users\Admin\AppData\Local\Temp\u1us.1.exe"C:\Users\Admin\AppData\Local\Temp\u1us.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3428 -
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:3200
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 16402⤵
- Program crash
PID:868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2404 -ip 24041⤵PID:1764
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2464 -ip 24641⤵PID:3156
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
MD5b59c4e4107395fec457665d3bf80d531
SHA112c43bb2cec085752f2a465ed2db239138e1330a
SHA256f47bb85ce57f96cfd0db946f9e27abc9e86bd4484b0510900325fcae64e9ec4a
SHA5121deade5af54edf0ffc10815e9fc92ecb94960a7068bf7ed8b7bce26d3c0ceba499c78ab4c21327274bb34b04a2a20e97639334e0f361c14a4fe6b165f00e917d
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Filesize
281KB
MD51d04ff520d8adc764737cf309ebdb6af
SHA12925972bd8d43c24cdedff8542e0734765ea9fe8
SHA256b9a9e7af93e1bfe5405f6eece72fd71f81c5d946c7d964a0eb66a22342e0dd70
SHA51298d5243bbd749a65acbf4f9b7caa86a71d3dc11f34bd42b49bb56e3694dec606ada877aad51fc6597d5b59cd66e2926b0d2afad428049ab3e66d38d4445533ba
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954