Analysis
- max time kernel
91s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
19/06/2022, 13:13
General
- Target EacBypass.exe
- Size 269KB
- Sample220619-qf3f1shbb7
- SHA256 666a170ec33fd742b767a7bc0888efc8fd23e962e82beb3e030cf53a3678070f
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/988064863639179354/rk8qEk54dRaPv2X0cXi3oLm4JRvN01pwbpb0Tmb9-P80-qFjTVw3QcpWSQrITZWKSVve
Signatures
- 44Caliber
An open source infostealer written in C#.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\EacBypass.exe"C:\Users\Admin\AppData\Local\Temp\EacBypass.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/568-130-0x0000000000680000-0x00000000006CA000-memory.dmp
memory/568-131-0x00007FFAB2740000-0x00007FFAB3201000-memory.dmp
memory/568-132-0x00007FFAB2740000-0x00007FFAB3201000-memory.dmp