Analysis
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max time kernel
42s -
max time network
38s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
05-09-2024 14:38
General
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Target
Bootstrapper.exe
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Size
42KB
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MD5
1aca625634c8effa377b59d1813b02d3
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SHA1
028a7beb91e7b717fd01d69aa13ee274fb033a20
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SHA256
5894df88916db05950de2cbd1ea4f34300e82c2867e18ef74fdad41764bcd80c
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SHA512
def567568ce7269a720b4cfe8bcd25f1e55c465773e7442c7286a37544964430d1637f7414841361dbac537ebdf2678a96166d7dae8e4a5888035095c5c3ad97
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SSDEEP
768:nPS0LvnDylOc1uZiLM8TjOKZKfgm3EhoV:RjnD9cTLM8TaF7ESV
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1271473528654401586/rFfdmhvGeSTR5U0D1W7z9AJRgEpjDxyMIXGdCWGpCfaxSBpeVQLqtnYlQbfJ3OuQX4-u
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
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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 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.
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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\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.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:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4128,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4076 /prefetch:81⤵
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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
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
8KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
8KB
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Filesize
10.8MB