Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
19-08-2024 16:11
Behavioral task
behavioral1
Sample
GFX locator by 89_39.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
GFX locator by 89_39.exe
Resource
win10v2004-20240802-en
General
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Target
GFX locator by 89_39.exe
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Size
41KB
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MD5
50448b99a6ab09d371ba1bb9f348bbb2
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SHA1
cdfa4b634d498af21946404397b9166c395d273e
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SHA256
44398ef8657a9fbb73eb1bfe7b3657241d0497318dcafabdd86669ee5dc32dc6
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SHA512
4fe0e40ba1396d8e238d5fef255fab22d88a1aaab005ca71cceaa55bfb2f061ea1997e2c0f3e82be3ca3a4bd65fae26edcd9dc4914d72f6d7aed4bcda2a12bd2
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SSDEEP
768:oscaIyIbubDIA3ruQw3uZleuWTj6KZKfgm3EhR/:vc1Zub3ueeuWTOF7Ez/
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1275113676453580880/9MyUKYUCniUZuZMT3Ww37_BxIGyZdN9irR0Ljml5MW18Tz7TxMIpOI_aDCPDu_qayZOt
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:
GFX locator by 89_39.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions GFX locator by 89_39.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
GFX locator by 89_39.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools GFX locator by 89_39.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
GFX locator by 89_39.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion GFX locator by 89_39.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 3 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 ip4.seeip.org 8 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
GFX locator by 89_39.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum GFX locator by 89_39.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 GFX locator by 89_39.exe -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
GFX locator by 89_39.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S GFX locator by 89_39.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
GFX locator by 89_39.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 GFX locator by 89_39.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString GFX locator by 89_39.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
Processes:
GFX locator by 89_39.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 GFX locator by 89_39.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation GFX locator by 89_39.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer GFX locator by 89_39.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName GFX locator by 89_39.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
GFX locator by 89_39.exedescription pid process Token: SeDebugPrivilege 2168 GFX locator by 89_39.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
GFX locator by 89_39.exedescription pid process target process PID 2168 wrote to memory of 2816 2168 GFX locator by 89_39.exe WerFault.exe PID 2168 wrote to memory of 2816 2168 GFX locator by 89_39.exe WerFault.exe PID 2168 wrote to memory of 2816 2168 GFX locator by 89_39.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\GFX locator by 89_39.exe"C:\Users\Admin\AppData\Local\Temp\GFX locator by 89_39.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
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2168 -s 13402⤵PID:2816
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