Analysis
- max time kernel
135s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
26/10/2024, 23:11
General
- Target Zen Executor.exe
- Size 42KB
- Sample241026-26kvfa1ern
- SHA256 9ca293a20e15b3aff9cd3fa27cda84c69b92f726d38986f7f9bdb2930294e13c
Malware Config
Extracted
-
mercurialgrabber
-
https://discord.com/api/webhooks/1299872808737968129/5cyItPW9cpmOhcgsl6lUhFKO4BbU_6Rb9zaRpiYUPMDRm0y8k2Ke5x6Jcv4BgyeXpuYl
Signatures
- Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
- Mercurialgrabber family
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
- Looks up external IP address via web service 2 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\Zen Executor.exe"C:\Users\Admin\AppData\Local\Temp\Zen Executor.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
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/3736-0-0x00007FFF612E3000-0x00007FFF612E5000-memory.dmp
memory/3736-1-0x0000000000460000-0x0000000000470000-memory.dmp
memory/3736-2-0x00007FFF612E0000-0x00007FFF61DA1000-memory.dmp
memory/3736-3-0x00007FFF612E3000-0x00007FFF612E5000-memory.dmp
memory/3736-4-0x00007FFF612E0000-0x00007FFF61DA1000-memory.dmp