Analysis
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max time kernel
124s -
max time network
126s -
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 23:51
Static task
static1
Behavioral task
behavioral1
Sample
257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe
Resource
win10v2004-20240508-en
General
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Target
257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe
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Size
365KB
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MD5
7ee08f879aa35adf10d1d6fe7b8a3748
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SHA1
78c3dd7fa68f89e48f9bcd5f31b14be3a35c4edb
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SHA256
257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f
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SHA512
d48815302a2d7ed70d33881508ce5e23e06500f78afeaa6c34d8d8d4cd48952ed66294659fcdfb36b15a40560553fa2726979d872505adb6613e7f515c023726
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SSDEEP
6144:mfcBWeUkksvXwBbM4HxlzmJp2C5kbX1Z0DR7M1jTs5gYTmWK:mfcUeGzhHxNQKX1eDR7un0mWK
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/1680-66-0x00000140814E0000-0x0000014084D14000-memory.dmp family_zgrat_v1 behavioral2/memory/1680-67-0x000001409F400000-0x000001409F50A000-memory.dmp family_zgrat_v1 behavioral2/memory/1680-71-0x000001409F580000-0x000001409F5A4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
u38w.0.exeu38w.1.exepid Process 3548 u38w.0.exe 4248 u38w.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 572 4208 WerFault.exe 77 2368 3548 WerFault.exe 78 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u38w.1.exedescription ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u38w.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u38w.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u38w.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u38w.0.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u38w.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u38w.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exeu38w.0.exepid Process 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3548 u38w.0.exe 3548 u38w.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid Process Token: SeDebugPrivilege 1680 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u38w.1.exepid Process 4248 u38w.1.exe 4248 u38w.1.exe 4248 u38w.1.exe 4248 u38w.1.exe 4248 u38w.1.exe 4248 u38w.1.exe 4248 u38w.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u38w.1.exepid Process 4248 u38w.1.exe 4248 u38w.1.exe 4248 u38w.1.exe 4248 u38w.1.exe 4248 u38w.1.exe 4248 u38w.1.exe 4248 u38w.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exeu38w.1.exedescription pid Process procid_target PID 4208 wrote to memory of 3548 4208 257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe 78 PID 4208 wrote to memory of 3548 4208 257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe 78 PID 4208 wrote to memory of 3548 4208 257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe 78 PID 4208 wrote to memory of 4248 4208 257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe 81 PID 4208 wrote to memory of 4248 4208 257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe 81 PID 4208 wrote to memory of 4248 4208 257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe 81 PID 4248 wrote to memory of 1680 4248 u38w.1.exe 86 PID 4248 wrote to memory of 1680 4248 u38w.1.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe"C:\Users\Admin\AppData\Local\Temp\257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4208 -
C:\Users\Admin\AppData\Local\Temp\u38w.0.exe"C:\Users\Admin\AppData\Local\Temp\u38w.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3548 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3548 -s 7923⤵
- Program crash
PID:2368
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C:\Users\Admin\AppData\Local\Temp\u38w.1.exe"C:\Users\Admin\AppData\Local\Temp\u38w.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4248 -
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:1680
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 11562⤵
- Program crash
PID:572
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4208 -ip 42081⤵PID:848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3548 -ip 35481⤵PID:4048
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD557d7d5faea9ce360df03c2a897428616
SHA19ae2aab525c09d2640417b60353d734de69f4e13
SHA256a3a5b90903727282f4801e03ede24d85d254b8c4b036d0a71bc93b896d22e7c9
SHA5128f9ada499d55d5fbe88597a2c611f38bc35a66015ef9df5489b8e7efa33f0bfd44df6e3e1f0eca9668ed6cdbe92a2317e037b97861b3af2b538426207e2c9040
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Filesize
3KB
MD5f94f7fc9cc3ce4e18d9663f1eda82736
SHA1dbdb67f86b35bf133ee6406c61b4711da241f531
SHA256fe4c51aae68572651efe0d4d9ba7e9d06dbf317406194c3da902b202787a30b7
SHA5127fe3f18bafd3044279c909cc40eff99f477485eb78ee5698ace70a64ba74d7152cd2c9fa2faa1ca5252a4c4d52bcab36103962199099992559cfe52f22a19e95
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Filesize
223KB
MD5ac3b1a30e96b6d89ce98a21bb5b2093a
SHA14270104678195b8cad3520a704c556155a0a65b5
SHA256803946c2712aec2b60b54b3cd7c3375a9a0158e7ccbfbd4ab8a66e6ddfc7d463
SHA51265e74527ffa9d6e776d063db44322080315a5a9eb13bb67acd61be6e65862ec127366d742beca349c7ca8281e2f67193bafc14c8c0ee3f222b19b452d05c8491
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954