Analysis
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max time kernel
86s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-08-2022 09:08
Behavioral task
behavioral1
Sample
ImageLogger.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ImageLogger.exe
Resource
win10v2004-20220812-en
General
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Target
ImageLogger.exe
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Size
42KB
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MD5
5a6e12a51b20b8e3f08b69529bad9f98
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SHA1
cb491222797c96489c023a553f6eb81a9f499542
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SHA256
e2e85595fd953c1644618a0ba9178e9a68f1ce6d725017983961efbec6bebb6e
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SHA512
3c2c62f170ee83fe079b68c0b58f704d5676b2b51c64176c0cad3ef65b736b4fdbed2671a5a2ee7829cfce96676ad99b117cca3da43d236d5be78fe0e533646e
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SSDEEP
768:CRhAa4lMmkpb9mpVuZ4L7STjCKZKfgm3Eh/+:qAibIpbL7ST+F7El+
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/971211548544618506/14fNrE_WgfMdX-C1GRaEBZFXaq4YJP6FiYBNoZBmzVXQtH76hGEshw8B-Tczk-M6JPkm
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:
ImageLogger.exedescription ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions ImageLogger.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
ImageLogger.exedescription ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools ImageLogger.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
ImageLogger.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ImageLogger.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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 5 ip4.seeip.org 6 ip-api.com 4 ip4.seeip.org -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
ImageLogger.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 ImageLogger.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum ImageLogger.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 1584 4968 WerFault.exe 50 -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
ImageLogger.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S ImageLogger.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
ImageLogger.exedescription ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 ImageLogger.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ImageLogger.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
Processes:
ImageLogger.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer ImageLogger.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName ImageLogger.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 ImageLogger.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation ImageLogger.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ImageLogger.exedescription pid Process Token: SeDebugPrivilege 4968 ImageLogger.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ImageLogger.exe"C:\Users\Admin\AppData\Local\Temp\ImageLogger.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
PID:4968 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4968 -s 21482⤵
- Program crash
PID:1584
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 384 -p 4968 -ip 49681⤵PID:4588