Analysis
- max time kernel
63s - max time network
79s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
17/10/2023, 15:29
General
- Target connection.exe
- Size 41KB
- Sample231017-sw3stsch3x
- SHA256 169ed579b6d3311d8b09f750359b07bad69520ad72abd8a6a6f67069d3c6d937
Malware Config
Extracted
-
mercurialgrabber
-
https://discord.com/api/webhooks/1163860957546676244/Tr0vbiHfaBLONi1q8rhwgNDPXrsDZTRmEMTJEkXwdGd3Rj27hN8kShu7EFuvkxKMo7Mb
Signatures
- Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\connection.exe"C:\Users\Admin\AppData\Local\Temp\connection.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
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3076-0-0x0000000000160000-0x0000000000170000-memory.dmp
memory/3076-1-0x00007FF9A29A0000-0x00007FF9A3461000-memory.dmp
memory/3076-2-0x0000000002310000-0x0000000002320000-memory.dmp
memory/3076-3-0x00007FF9A29A0000-0x00007FF9A3461000-memory.dmp
memory/3076-4-0x0000000002310000-0x0000000002320000-memory.dmp