Analysis
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max time kernel
128s -
max time network
134s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
08-05-2024 23:53
Static task
static1
Behavioral task
behavioral1
Sample
c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe
Resource
win10v2004-20240508-en
General
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Target
c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe
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Size
365KB
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MD5
33179813ef6865c32c666fc519eaad03
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SHA1
a3cb6a5b14fea9f5643d07754fffe9dfd2172fb9
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SHA256
c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4
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SHA512
40d743ff5b2ee373e763b78ffebce7c8d898b59b595173a504ec26918c9c039213c92478156936faa1bbbe63e11ee6f9122b8f61a65a45f17e26c6539e773053
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SSDEEP
6144:mfcBWeUkksvXwBbM4HxlzmJp2C5kbX1Z0DR7M1jTs5gYTmWI:mfcUeGzhHxNQKX1eDR7un0mWI
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
Processes:
resource yara_rule behavioral2/memory/4468-65-0x0000024C42480000-0x0000024C45CB4000-memory.dmp family_zgrat_v1 behavioral2/memory/4468-66-0x0000024C60430000-0x0000024C6053A000-memory.dmp family_zgrat_v1 behavioral2/memory/4468-70-0x0000024C60540000-0x0000024C60564000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
u258.0.exeu258.1.exepid Process 3168 u258.0.exe 3288 u258.1.exe -
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 procid_target 1600 2780 WerFault.exe 78 2508 3168 WerFault.exe 81 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u258.1.exedescription ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u258.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u258.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u258.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u258.0.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u258.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u258.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exeu258.0.exepid Process 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3168 u258.0.exe 3168 u258.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid Process Token: SeDebugPrivilege 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u258.1.exepid Process 3288 u258.1.exe 3288 u258.1.exe 3288 u258.1.exe 3288 u258.1.exe 3288 u258.1.exe 3288 u258.1.exe 3288 u258.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u258.1.exepid Process 3288 u258.1.exe 3288 u258.1.exe 3288 u258.1.exe 3288 u258.1.exe 3288 u258.1.exe 3288 u258.1.exe 3288 u258.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exeu258.1.exedescription pid Process procid_target PID 2780 wrote to memory of 3168 2780 c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe 81 PID 2780 wrote to memory of 3168 2780 c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe 81 PID 2780 wrote to memory of 3168 2780 c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe 81 PID 2780 wrote to memory of 3288 2780 c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe 84 PID 2780 wrote to memory of 3288 2780 c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe 84 PID 2780 wrote to memory of 3288 2780 c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe 84 PID 3288 wrote to memory of 4468 3288 u258.1.exe 89 PID 3288 wrote to memory of 4468 3288 u258.1.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe"C:\Users\Admin\AppData\Local\Temp\c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Users\Admin\AppData\Local\Temp\u258.0.exe"C:\Users\Admin\AppData\Local\Temp\u258.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3168 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 11323⤵
- Program crash
PID:2508
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C:\Users\Admin\AppData\Local\Temp\u258.1.exe"C:\Users\Admin\AppData\Local\Temp\u258.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3288 -
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:4468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 9602⤵
- Program crash
PID:1600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2780 -ip 27801⤵PID:2912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3168 -ip 31681⤵PID:4876
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5ff844a7ba44263dca8223797b60f0b8b
SHA168bfb988e78b6e6655eddb3ce95e8256e67c393a
SHA256bc8b3a74f7c42bdfbfdb07a2510cc8fb65fdaa253c854337da35da4bcdd22f41
SHA512abe8cdbae7c73156ed12600ae54392804817de390e727c898107dd72188d8b80da3bb942fcdbd1899a0673c6d3d4c72b78bc535c0397fba4cf7b761597041c91
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Filesize
223KB
MD5ac3b1a30e96b6d89ce98a21bb5b2093a
SHA14270104678195b8cad3520a704c556155a0a65b5
SHA256803946c2712aec2b60b54b3cd7c3375a9a0158e7ccbfbd4ab8a66e6ddfc7d463
SHA51265e74527ffa9d6e776d063db44322080315a5a9eb13bb67acd61be6e65862ec127366d742beca349c7ca8281e2f67193bafc14c8c0ee3f222b19b452d05c8491
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954