Analysis
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max time kernel
144s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 07:02
Static task
static1
Behavioral task
behavioral1
Sample
516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef.exe
Resource
win10v2004-20240419-en
General
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Target
516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef.exe
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Size
367KB
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MD5
2c733b8cbc1c9175383cd2fa3a3c9f43
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SHA1
410dc497286ce12e82df27ec84d941c0d60df22a
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SHA256
516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef
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SHA512
33e56a5b6f03f4f9e323eb220c4c33bfee82dd05e76c0a88b1c92b8ffdd6cfc4713badb0588317e22cf4ad44178e891f0363a7faef667fd6d24ad63153d70560
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SSDEEP
6144:Jfvea1snS42x5pK0JcR4DypPotYhIiMuiEIMmH8d/zKXT8g/:Bvea1snS425K0JcRhuNiMEO8pe8g/
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/2644-65-0x0000029B189F0000-0x0000029B1C224000-memory.dmp family_zgrat_v1 behavioral1/memory/2644-67-0x0000029B36B00000-0x0000029B36C0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2644-71-0x0000029B36910000-0x0000029B36934000-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-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation 516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef.exe Key value queried \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation u29k.1.exe -
Executes dropped EXE 2 IoCs
pid Process 3764 u29k.0.exe 3336 u29k.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 3164 2936 WerFault.exe 83 4292 3764 WerFault.exe 87 -
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 u29k.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u29k.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u29k.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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u29k.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u29k.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3764 u29k.0.exe 3764 u29k.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2644 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3336 u29k.1.exe 3336 u29k.1.exe 3336 u29k.1.exe 3336 u29k.1.exe 3336 u29k.1.exe 3336 u29k.1.exe 3336 u29k.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3336 u29k.1.exe 3336 u29k.1.exe 3336 u29k.1.exe 3336 u29k.1.exe 3336 u29k.1.exe 3336 u29k.1.exe 3336 u29k.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2936 wrote to memory of 3764 2936 516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef.exe 87 PID 2936 wrote to memory of 3764 2936 516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef.exe 87 PID 2936 wrote to memory of 3764 2936 516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef.exe 87 PID 2936 wrote to memory of 3336 2936 516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef.exe 93 PID 2936 wrote to memory of 3336 2936 516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef.exe 93 PID 2936 wrote to memory of 3336 2936 516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef.exe 93 PID 3336 wrote to memory of 2644 3336 u29k.1.exe 101 PID 3336 wrote to memory of 2644 3336 u29k.1.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef.exe"C:\Users\Admin\AppData\Local\Temp\516261b7c2646ce71cb0c0f4b68c7750785d7cc09f5ccb0d31e5b7fc6d2b69ef.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Users\Admin\AppData\Local\Temp\u29k.0.exe"C:\Users\Admin\AppData\Local\Temp\u29k.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3764 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3764 -s 12963⤵
- Program crash
PID:4292
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C:\Users\Admin\AppData\Local\Temp\u29k.1.exe"C:\Users\Admin\AppData\Local\Temp\u29k.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:3336 -
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:2644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 10922⤵
- Program crash
PID:3164
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2936 -ip 29361⤵PID:2648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3764 -ip 37641⤵PID:4828
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
226KB
MD56891c527d4d65692716c149981e770ff
SHA1ac4ba0be44795c437f860d710bdd0e3157d17caf
SHA256b37a558c37740094e51a1b04fa05280e3f28b2592f5881d96ae5f5a05e2c5902
SHA5121195f321c53df745aec5350e606293507f89e8f3dce3b1c58244f6a6eb9de5cdacdc222960663f7b3e03be69804bbbf8905764c2d1a21dc745e21edba9112e15
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954