Analysis
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max time kernel
106s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2022 17:51
Behavioral task
behavioral1
Sample
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe
Resource
win10v2004-20220812-en
General
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Target
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe
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Size
42KB
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MD5
14daead92b9de032a82fe69eb67ec4d0
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SHA1
cf25b43bd3b63d76b00f986c73f850cce781dcd2
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SHA256
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec
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SHA512
c9c9f3afdd27ed69f4de77f2a4280360bd5e2c47ab6fea1a5a601513b9666a647a8d981f1e9e14cad0ee007c742e3db35ed66832de50e8f187fd791fefc9884f
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SSDEEP
768:0moRgBZ6an8z5pDts+uZeL/GMTjyKZKfgm3EhbH:0mh1n8z5PseL/GMT+F7EBH
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/946338467808428062/fmmZTEvI-K5ZRlswedTLLYiuPBYmwQGI4X7ryxFYBd_BclaBEyk1LxQQW5CDkKyFBx7m
Signatures
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Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3704 3664 WerFault.exe df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
Processes:
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exedescription pid process Token: SeDebugPrivilege 3664 df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe"C:\Users\Admin\AppData\Local\Temp\df31b3fc7860b4eabb64b6673cf1fbb0b049dfe94e41d8d3c7e080fe6b1880ec.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3664 -s 20282⤵
- Program crash
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 432 -p 3664 -ip 36641⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/3664-132-0x0000000000D90000-0x0000000000DA0000-memory.dmpFilesize
64KB
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memory/3664-133-0x00007FFE810B0000-0x00007FFE81B71000-memory.dmpFilesize
10.8MB
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memory/3664-134-0x00007FFE810B0000-0x00007FFE81B71000-memory.dmpFilesize
10.8MB
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memory/3664-135-0x00007FFE810B0000-0x00007FFE81B71000-memory.dmpFilesize
10.8MB