Analysis
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max time kernel
262s -
max time network
283s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-de -
resource tags
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submitted
19-11-2024 11:31
General
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Target
kkkkkk.exe
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Size
41KB
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MD5
0a0309d239faa5e9d9f53e5e8c02a1ca
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SHA1
796e8bf0e64edbdfffdf676190ed65632d3d190e
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SHA256
b789546b91150da62b9f1baafd5c4336d53648b58859c5d1326115488d72349c
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SHA512
15be178dd7d836d5ed87ca1a3d5312942c5a84c3f86ee2b79eda5567f45fc518b04c0ac9aecbc983896bd79e3c0d6dec267bbfc3f14db487f29545d639e0d983
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SSDEEP
768:yschJYwLfT6axpDXswxuZde0WTjmKZKfgm3EhIg:hcnfnx2e0WTKF7Eag
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1304986756986437652/HHDxxLiJM6tIxNgOju2S0hxKsgWTRC20_Address26Ulqxb
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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Mercurialgrabber family
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Reads user/profile data of web browsers 3 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.
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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.
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Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\kkkkkk.exe"C:\Users\Admin\AppData\Local\Temp\kkkkkk.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\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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
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Filesize
64KB
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Filesize
8KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
264KB
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Filesize
40KB
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Filesize
1.0MB
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Filesize
10.8MB