Analysis
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max time kernel
138s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 13:11
Static task
static1
Behavioral task
behavioral1
Sample
e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe
Resource
win10v2004-20240426-en
General
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Target
e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe
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Size
368KB
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MD5
119534718283e194af700b7dade74283
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SHA1
5dbbcaa5110eb06e04898788800ffca0fcb989d0
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SHA256
e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c
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SHA512
cb391155c6891870acd64ff62d9d5ec43980e24086b1913aec40f28dd17538aed33549cc9b9af0f425322d21deff28299474081290f5f87aeaf1183ba84fec25
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SSDEEP
6144:/jRhVhZVNlrECRfaajfnwdgcXlzbrp5nkaALQf4jTfea:lrLNrEWCazK3XFh5vALQUfea
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/4480-68-0x000001DB92500000-0x000001DB95D34000-memory.dmp family_zgrat_v1 behavioral1/memory/4480-69-0x000001DBB14E0000-0x000001DBB15EA000-memory.dmp family_zgrat_v1 behavioral1/memory/4480-73-0x000001DBB0310000-0x000001DBB0334000-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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation u3ac.1.exe -
Executes dropped EXE 2 IoCs
pid Process 4360 u3ac.0.exe 1636 u3ac.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 2784 4260 WerFault.exe 83 4304 4360 WerFault.exe 86 -
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 u3ac.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3ac.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3ac.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 u3ac.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3ac.0.exe -
Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4360 u3ac.0.exe 4360 u3ac.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4480 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1636 u3ac.1.exe 1636 u3ac.1.exe 1636 u3ac.1.exe 1636 u3ac.1.exe 1636 u3ac.1.exe 1636 u3ac.1.exe 1636 u3ac.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1636 u3ac.1.exe 1636 u3ac.1.exe 1636 u3ac.1.exe 1636 u3ac.1.exe 1636 u3ac.1.exe 1636 u3ac.1.exe 1636 u3ac.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4260 wrote to memory of 4360 4260 e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe 86 PID 4260 wrote to memory of 4360 4260 e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe 86 PID 4260 wrote to memory of 4360 4260 e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe 86 PID 4260 wrote to memory of 1636 4260 e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe 94 PID 4260 wrote to memory of 1636 4260 e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe 94 PID 4260 wrote to memory of 1636 4260 e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe 94 PID 1636 wrote to memory of 4480 1636 u3ac.1.exe 100 PID 1636 wrote to memory of 4480 1636 u3ac.1.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe"C:\Users\Admin\AppData\Local\Temp\e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Users\Admin\AppData\Local\Temp\u3ac.0.exe"C:\Users\Admin\AppData\Local\Temp\u3ac.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4360 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 12923⤵
- Program crash
PID:4304
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C:\Users\Admin\AppData\Local\Temp\u3ac.1.exe"C:\Users\Admin\AppData\Local\Temp\u3ac.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:1636 -
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:4480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 10122⤵
- Program crash
PID:2784
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4260 -ip 42601⤵PID:2180
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4360 -ip 43601⤵PID:3916
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
226KB
MD5c4b38f17b16a0b545d989a5e7f192308
SHA17325ba75f76855f332e840d595cadc591ea220af
SHA25645072f942cb27587d1815a9c079c066c85ac313fe1388fd61dd69c77bdc68b4b
SHA512ca30aa925c6bec667fa4aceda9918d9e7c1ddee1fb7eded4ee266f6f6ae2d3e2fea7070049dc28540615832fc2e60e2821aabc839f468d446b44e082558ef041
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954