Analysis
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max time kernel
128s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
04-04-2024 09:48
Static task
static1
Behavioral task
behavioral1
Sample
fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe
Resource
win10v2004-20240226-en
General
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Target
fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe
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Size
359KB
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MD5
2d20cd64683222247ee607673dfba78c
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SHA1
4fa462bf25da7a60e3d3db59e973d4b422e7cbb5
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SHA256
fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd
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SHA512
a7da43f69c0d3b8ffe1d03e8bec7bc014ecf8a35c098804dfefb92e4193ef17574f3d234eed6fb0ec37df8a8c713da101eefab6a53622a772321c02c523f2376
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SSDEEP
6144:XnqaECNPTFkBgWFtBaNzFbwhkzp/LU++d0RIxgZk+mGMeja/K5+QEhIo:6a9NPTF8LFt6Jvzp/L2+Ixp1Gxj4KihN
Malware Config
Extracted
stealc
http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Detect ZGRat V1 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1716-138-0x000002AD305C0000-0x000002AD33EB8000-memory.dmp family_zgrat_v1 behavioral2/memory/1716-140-0x000002AD4E670000-0x000002AD4E780000-memory.dmp family_zgrat_v1 behavioral2/memory/1716-144-0x000002AD4E610000-0x000002AD4E634000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
u14w.0.exeu14w.1.exeBKJKJEHJJD.exepid process 4580 u14w.0.exe 4864 u14w.1.exe 3628 BKJKJEHJJD.exe -
Loads dropped DLL 2 IoCs
Processes:
u14w.0.exepid process 4580 u14w.0.exe 4580 u14w.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
Processes:
WerFault.exeWerFault.exepid pid_target process target process 5104 1472 WerFault.exe fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe 4276 4580 WerFault.exe u14w.0.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u14w.1.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u14w.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u14w.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u14w.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u14w.0.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u14w.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u14w.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 25 IoCs
Processes:
u14w.0.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exepid process 4580 u14w.0.exe 4580 u14w.0.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4580 u14w.0.exe 4580 u14w.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid process Token: SeDebugPrivilege 1716 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u14w.1.exepid process 4864 u14w.1.exe 4864 u14w.1.exe 4864 u14w.1.exe 4864 u14w.1.exe 4864 u14w.1.exe 4864 u14w.1.exe 4864 u14w.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u14w.1.exepid process 4864 u14w.1.exe 4864 u14w.1.exe 4864 u14w.1.exe 4864 u14w.1.exe 4864 u14w.1.exe 4864 u14w.1.exe 4864 u14w.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exeu14w.1.exeu14w.0.execmd.exeBKJKJEHJJD.execmd.exedescription pid process target process PID 1472 wrote to memory of 4580 1472 fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe u14w.0.exe PID 1472 wrote to memory of 4580 1472 fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe u14w.0.exe PID 1472 wrote to memory of 4580 1472 fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe u14w.0.exe PID 1472 wrote to memory of 4864 1472 fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe u14w.1.exe PID 1472 wrote to memory of 4864 1472 fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe u14w.1.exe PID 1472 wrote to memory of 4864 1472 fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe u14w.1.exe PID 4864 wrote to memory of 1716 4864 u14w.1.exe SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe PID 4864 wrote to memory of 1716 4864 u14w.1.exe SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe PID 4580 wrote to memory of 4636 4580 u14w.0.exe cmd.exe PID 4580 wrote to memory of 4636 4580 u14w.0.exe cmd.exe PID 4580 wrote to memory of 4636 4580 u14w.0.exe cmd.exe PID 4636 wrote to memory of 3628 4636 cmd.exe BKJKJEHJJD.exe PID 4636 wrote to memory of 3628 4636 cmd.exe BKJKJEHJJD.exe PID 4636 wrote to memory of 3628 4636 cmd.exe BKJKJEHJJD.exe PID 3628 wrote to memory of 1480 3628 BKJKJEHJJD.exe cmd.exe PID 3628 wrote to memory of 1480 3628 BKJKJEHJJD.exe cmd.exe PID 3628 wrote to memory of 1480 3628 BKJKJEHJJD.exe cmd.exe PID 1480 wrote to memory of 764 1480 cmd.exe PING.EXE PID 1480 wrote to memory of 764 1480 cmd.exe PING.EXE PID 1480 wrote to memory of 764 1480 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe"C:\Users\Admin\AppData\Local\Temp\fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Users\Admin\AppData\Local\Temp\u14w.0.exe"C:\Users\Admin\AppData\Local\Temp\u14w.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4580 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BKJKJEHJJD.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4636 -
C:\Users\Admin\AppData\Local\Temp\BKJKJEHJJD.exe"C:\Users\Admin\AppData\Local\Temp\BKJKJEHJJD.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\BKJKJEHJJD.exe5⤵
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:764
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 24603⤵
- Program crash
PID:4276
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C:\Users\Admin\AppData\Local\Temp\u14w.1.exe"C:\Users\Admin\AppData\Local\Temp\u14w.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4864 -
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:1716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 10002⤵
- Program crash
PID:5104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1472 -ip 14721⤵PID:2708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 4580 -ip 45801⤵PID:1848
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
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
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Filesize
218KB
MD5e56c83770da1263eb2f14faee7adc64f
SHA1f720dc655ba9f7449a4d145cab0377353bde8ab1
SHA256218761e370074e320b1f371ff45f203f5b5dbfef76786e2070a0df98ccb08c0f
SHA51222a6460baf44c0768a1a507567ecc2424f6d00a08cc20b51aeb657c9484efcf5014ff42f4ea5a1f4fe2c6eb7b6b982c4cec8a30d0331b68f710575e2dfa65757
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954