Analysis
- max time kernel
140s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
09/03/2024, 23:40
General
- Target bd1b3b496b17b6ebbc19483dc8fd2b38.exe
- Size 1.7MB
- Sample240309-3n66dseb65
- SHA256 addc15bc47d8feee37c20659259b5c1c17fb63608b42bf358ab1248a6c660156
Malware Config
Extracted
-
blackguard
-
https://api.telegram.org/bot1905575949:AAHIC9TAEKCrluRDzCgUYzxgdIdES2ldfbA/sendMessage?chat_id=1010861848
Signatures
- 44Caliber
An open source infostealer written in C#.
- BlackGuard
Infostealer first seen in Late 2021.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bd1b3b496b17b6ebbc19483dc8fd2b38.exe"C:\Users\Admin\AppData\Local\Temp\bd1b3b496b17b6ebbc19483dc8fd2b38.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
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 --no-appcompat-clear --mojo-platform-channel-handle=4468 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Bookmarks.txt
Process.txt
Process.txt
memory/4260-151-0x0000000006190000-0x000000000619A000-memory.dmp
memory/4260-152-0x00000000061A0000-0x00000000061A8000-memory.dmp
memory/4260-34-0x0000000006760000-0x00000000067F2000-memory.dmp
memory/4260-35-0x0000000006DB0000-0x0000000007354000-memory.dmp
memory/4260-1-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/4260-0-0x0000000000890000-0x0000000000D72000-memory.dmp
memory/4260-2-0x0000000000890000-0x0000000000D72000-memory.dmp
memory/4260-134-0x0000000006D30000-0x0000000006D96000-memory.dmp
memory/4260-3-0x0000000005840000-0x0000000005850000-memory.dmp
memory/4260-136-0x0000000000890000-0x0000000000D72000-memory.dmp
memory/4260-153-0x0000000006200000-0x0000000006222000-memory.dmp
memory/4260-154-0x0000000007360000-0x00000000076B4000-memory.dmp
memory/4260-155-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/4260-157-0x0000000005840000-0x0000000005850000-memory.dmp
memory/4260-161-0x0000000000890000-0x0000000000D72000-memory.dmp
memory/4260-162-0x0000000074550000-0x0000000074D00000-memory.dmp