Analysis
- max time kernel
142s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
10/04/2024, 16:43
General
- Target eb85c8d233bbc43b89d451aa8980218e_JaffaCakes118.exe
- Size 416KB
- Sample240410-t8glsshc7w
- SHA256 2e1064e3bd2d37cd96495c01f326d4a543b77e38045a983e93e99a4704df206f
Malware Config
Extracted
-
blackguard
-
https://api.telegram.org/bot1711224512:AAG22Nlr-jO4MyOqR-e8u_WyFQ4Bw7rDtVw/sendMessage?chat_id=1640241476
Signatures
- BlackGuard
Infostealer first seen in Late 2021.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\eb85c8d233bbc43b89d451aa8980218e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eb85c8d233bbc43b89d451aa8980218e_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\AgileDotNetProtector.exe"C:\Users\Admin\AppData\Local\Temp\AgileDotNetProtector.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
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=3912 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
.dll
AgileDotNetProtector.exe
Process.txt
Process.txt
Process.txt
Process.txt
Process.txt
memory/2432-10-0x00007FF82C690000-0x00007FF82C7DE000-memory.dmp
memory/2432-3-0x000000001AC70000-0x000000001AC80000-memory.dmp
memory/2432-1-0x00007FF82DDE0000-0x00007FF82E8A1000-memory.dmp
memory/2432-23-0x00007FF82DDE0000-0x00007FF82E8A1000-memory.dmp
memory/2432-9-0x00007FF83FB60000-0x00007FF83FB88000-memory.dmp
memory/2432-0-0x0000000000020000-0x000000000008E000-memory.dmp
memory/2432-24-0x00007FF83FB60000-0x00007FF83FB88000-memory.dmp
memory/3380-70-0x0000000006C70000-0x0000000007214000-memory.dmp
memory/3380-28-0x0000000006120000-0x00000000061B2000-memory.dmp
memory/3380-27-0x00000000057E0000-0x00000000057F0000-memory.dmp
memory/3380-26-0x0000000000C00000-0x0000000000C42000-memory.dmp
memory/3380-162-0x0000000007CD0000-0x0000000007D36000-memory.dmp
memory/3380-25-0x00000000747D0000-0x0000000074F80000-memory.dmp
memory/3380-165-0x00000000747D0000-0x0000000074F80000-memory.dmp