Analysis
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max time kernel
140s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09-05-2024 19:47
Static task
static1
Behavioral task
behavioral1
Sample
af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51.exe
Resource
win10v2004-20240426-en
General
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Target
af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51.exe
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Size
384KB
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MD5
de0f98f97da3867fc5926328bf2a9cfe
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SHA1
92064131a986e3520a6a7f068c23e94b3bf8f862
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SHA256
af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51
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SHA512
3b93ade6420ca568d9e49cfb39685a20aa349770b2920e3a804485ffb6df331d98fdfc8e3412bbb2ab6fcb30ac2246d4c8544fc92345b820b44fbd8cbcf32ad2
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SSDEEP
6144:2nNm4Za4Cv1GOuLzYI0dBXV9TCS/lMEGFZCTiQJ0s6:2nNNZg1GOuL5SV9TNyEGFTQP6
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
resource yara_rule behavioral1/memory/3036-68-0x0000022549D40000-0x000002254D574000-memory.dmp family_zgrat_v1 behavioral1/memory/3036-70-0x0000022568B70000-0x0000022568C7A000-memory.dmp family_zgrat_v1 behavioral1/memory/3036-74-0x000002254F470000-0x000002254F494000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51.exe Key value queried \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation u2kw.1.exe -
Executes dropped EXE 2 IoCs
pid Process 4576 u2kw.0.exe 2036 u2kw.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
pid pid_target Process procid_target 4276 3344 WerFault.exe 81 2852 4576 WerFault.exe 93 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2kw.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2kw.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2kw.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2kw.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u2kw.0.exe -
Suspicious behavior: EnumeratesProcesses 27 IoCs
pid Process 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4576 u2kw.0.exe 4576 u2kw.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3036 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2036 u2kw.1.exe 2036 u2kw.1.exe 2036 u2kw.1.exe 2036 u2kw.1.exe 2036 u2kw.1.exe 2036 u2kw.1.exe 2036 u2kw.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2036 u2kw.1.exe 2036 u2kw.1.exe 2036 u2kw.1.exe 2036 u2kw.1.exe 2036 u2kw.1.exe 2036 u2kw.1.exe 2036 u2kw.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3344 wrote to memory of 4576 3344 af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51.exe 93 PID 3344 wrote to memory of 4576 3344 af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51.exe 93 PID 3344 wrote to memory of 4576 3344 af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51.exe 93 PID 3344 wrote to memory of 2036 3344 af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51.exe 96 PID 3344 wrote to memory of 2036 3344 af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51.exe 96 PID 3344 wrote to memory of 2036 3344 af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51.exe 96 PID 2036 wrote to memory of 3036 2036 u2kw.1.exe 102 PID 2036 wrote to memory of 3036 2036 u2kw.1.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51.exe"C:\Users\Admin\AppData\Local\Temp\af16d622ac4cf88e22429eb6e0ffac4126dfcec5da0911ae8bf41743e66f9e51.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3344 -
C:\Users\Admin\AppData\Local\Temp\u2kw.0.exe"C:\Users\Admin\AppData\Local\Temp\u2kw.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4576 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 11403⤵
- Program crash
PID:2852
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C:\Users\Admin\AppData\Local\Temp\u2kw.1.exe"C:\Users\Admin\AppData\Local\Temp\u2kw.1.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2036 -
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:3036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3344 -s 15122⤵
- Program crash
PID:4276
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3344 -ip 33441⤵PID:1652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4576 -ip 45761⤵PID:4844
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
206KB
MD50917be53327ea132956255dcab650a82
SHA1b60818917f645a8a9af3b530e3ae37c1f002be2f
SHA256211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a
SHA512a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954