Analysis
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max time kernel
148s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240319-en -
resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system -
submitted
07-04-2024 16:59
Static task
static1
Behavioral task
behavioral1
Sample
711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe
Resource
win10v2004-20240226-en
General
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Target
711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe
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Size
454KB
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MD5
4492c0fed06f47b4e844633e7b56293c
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SHA1
c072235414b249c89d2fe05691c2c0af36e54bda
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SHA256
711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee
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SHA512
bff79c233a9e7459cdd10c5814e511369fa6e3f737ded6ea4ebacbb51fdc012c1bfa01f30e38125db8ea15b809fe6419d8af7b9d6305c7400ae64ae2bfb889b8
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SSDEEP
12288:2iB9S1zi63i/LYjQogh7cz3EP4Fn4IWneiS6U:2irSI63iTYkogh4DlKrU
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/3344-122-0x00000225082A0000-0x000002250BB98000-memory.dmp family_zgrat_v1 behavioral2/memory/3344-131-0x0000022526310000-0x0000022526420000-memory.dmp family_zgrat_v1 behavioral2/memory/3344-135-0x0000022526420000-0x0000022526444000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
u12g.0.exeu12g.1.exepid Process 4280 u12g.0.exe 4568 u12g.1.exe -
Loads dropped DLL 2 IoCs
Processes:
u12g.0.exepid Process 4280 u12g.0.exe 4280 u12g.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 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 3052 1384 WerFault.exe 81 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u12g.1.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u12g.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u12g.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u12g.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u12g.0.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u12g.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u12g.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
Processes:
u12g.0.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exepid Process 4280 u12g.0.exe 4280 u12g.0.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid Process Token: SeDebugPrivilege 3344 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u12g.1.exepid Process 4568 u12g.1.exe 4568 u12g.1.exe 4568 u12g.1.exe 4568 u12g.1.exe 4568 u12g.1.exe 4568 u12g.1.exe 4568 u12g.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u12g.1.exepid Process 4568 u12g.1.exe 4568 u12g.1.exe 4568 u12g.1.exe 4568 u12g.1.exe 4568 u12g.1.exe 4568 u12g.1.exe 4568 u12g.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exeu12g.1.exedescription pid Process procid_target PID 1384 wrote to memory of 4280 1384 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 82 PID 1384 wrote to memory of 4280 1384 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 82 PID 1384 wrote to memory of 4280 1384 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 82 PID 1384 wrote to memory of 4568 1384 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 85 PID 1384 wrote to memory of 4568 1384 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 85 PID 1384 wrote to memory of 4568 1384 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 85 PID 4568 wrote to memory of 3344 4568 u12g.1.exe 90 PID 4568 wrote to memory of 3344 4568 u12g.1.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe"C:\Users\Admin\AppData\Local\Temp\711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Users\Admin\AppData\Local\Temp\u12g.0.exe"C:\Users\Admin\AppData\Local\Temp\u12g.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4280
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C:\Users\Admin\AppData\Local\Temp\u12g.1.exe"C:\Users\Admin\AppData\Local\Temp\u12g.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4568 -
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:3344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 15082⤵
- Program crash
PID:3052
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1384 -ip 13841⤵PID:2632
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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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
312KB
MD512d374f5d55dc469aee06c9cd50e9e61
SHA18e3af58dcf5c3da96b4c984d94b2ce19c6fef1eb
SHA256fd91ac27792d0f75969dbba3bfa91ec6aa025bdf4b3f2e5e35bc7b22551e14d7
SHA512f6b56036a0383e17bde7e6563b0a1316bd650ec6e1836584e72e647b1de22728602b180e885e10c6dc9390aa7d12bdfa78574781466a2c5301674317143e5408
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954