Analysis
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max time kernel
296s -
max time network
299s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
08-05-2024 23:47
Static task
static1
Behavioral task
behavioral1
Sample
b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7.exe
Resource
win7-20240508-en
General
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Target
b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7.exe
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Size
416KB
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MD5
7b2875cb05e2096cdff530aa2b6fc6fc
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SHA1
3db46544f57870426eaee8aa07bdd1e605c54b29
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SHA256
b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7
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SHA512
0e0208f81195b6e5c3c01e2bed1cf38fb9221b0c86190da4e77763880da21d1b5f81c142dfcf27ee6ba8d7ff3383d1417d466a28c5bdc2f13a0dd498f4928441
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SSDEEP
6144:xNDSLZK+bH6tSYLDidexnCihNJnrWXy1JFIHbP3ShohW90F:LSLZKK/dCCibRz4PiLaF
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/4212-54-0x000001D1F3D40000-0x000001D1F7574000-memory.dmp family_zgrat_v1 behavioral2/memory/4212-55-0x000001D1F9DA0000-0x000001D1F9EAA000-memory.dmp family_zgrat_v1 behavioral2/memory/4212-59-0x000001D1F9AF0000-0x000001D1F9B14000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
u2is.0.exeu2is.1.exepid Process 792 u2is.0.exe 1988 u2is.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 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 4520 792 WerFault.exe 74 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u2is.1.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2is.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2is.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2is.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u2is.0.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u2is.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2is.0.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exeu2is.0.exepid Process 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 792 u2is.0.exe 792 u2is.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid Process Token: SeDebugPrivilege 4212 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u2is.1.exepid Process 1988 u2is.1.exe 1988 u2is.1.exe 1988 u2is.1.exe 1988 u2is.1.exe 1988 u2is.1.exe 1988 u2is.1.exe 1988 u2is.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u2is.1.exepid Process 1988 u2is.1.exe 1988 u2is.1.exe 1988 u2is.1.exe 1988 u2is.1.exe 1988 u2is.1.exe 1988 u2is.1.exe 1988 u2is.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7.exeu2is.1.exedescription pid Process procid_target PID 3268 wrote to memory of 792 3268 b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7.exe 74 PID 3268 wrote to memory of 792 3268 b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7.exe 74 PID 3268 wrote to memory of 792 3268 b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7.exe 74 PID 3268 wrote to memory of 1988 3268 b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7.exe 76 PID 3268 wrote to memory of 1988 3268 b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7.exe 76 PID 3268 wrote to memory of 1988 3268 b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7.exe 76 PID 1988 wrote to memory of 4212 1988 u2is.1.exe 79 PID 1988 wrote to memory of 4212 1988 u2is.1.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7.exe"C:\Users\Admin\AppData\Local\Temp\b97edba2e0e81b4cc7d99a6776f80d50ce46952680c71b06428f6a3206c366f7.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Users\Admin\AppData\Local\Temp\u2is.0.exe"C:\Users\Admin\AppData\Local\Temp\u2is.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:792 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 10083⤵
- Program crash
PID:4520
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C:\Users\Admin\AppData\Local\Temp\u2is.1.exe"C:\Users\Admin\AppData\Local\Temp\u2is.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1988 -
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:4212
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
223KB
MD5ac3b1a30e96b6d89ce98a21bb5b2093a
SHA14270104678195b8cad3520a704c556155a0a65b5
SHA256803946c2712aec2b60b54b3cd7c3375a9a0158e7ccbfbd4ab8a66e6ddfc7d463
SHA51265e74527ffa9d6e776d063db44322080315a5a9eb13bb67acd61be6e65862ec127366d742beca349c7ca8281e2f67193bafc14c8c0ee3f222b19b452d05c8491
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954