Analysis
- max time kernel
4s - max time network
112s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
28/12/2023, 12:57
General
- Target dfe63105a53c0909bf443d7159a1c712.exe
- Size 1.2MB
- Sample231228-p68kaaaae4
- SHA256 4adc2600049a33c4372e079fb8bef5fc5b3fa52e16ad99e9d662063879f4e41f
Malware Config
Extracted
-
44caliber
-
https://discord.com/api/webhooks/870414466553118720/Db7VHmIrLjWXphJSt6kM3vwNecGOIfXkCKnhXNxbr6rTECpYTzujmju5FCrRsefHBNBJ
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.
- 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 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\dfe63105a53c0909bf443d7159a1c712.exe"C:\Users\Admin\AppData\Local\Temp\dfe63105a53c0909bf443d7159a1c712.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3200-0-0x00000000003F0000-0x000000000079E000-memory.dmp
memory/3200-1-0x00000000003F0000-0x000000000079E000-memory.dmp
memory/3200-2-0x0000000074300000-0x0000000074AB0000-memory.dmp
memory/3200-3-0x0000000003640000-0x0000000003650000-memory.dmp
memory/3200-13-0x0000000005CF0000-0x0000000005D82000-memory.dmp
memory/3200-37-0x0000000006C00000-0x00000000071A4000-memory.dmp
memory/3200-129-0x0000000007C60000-0x0000000007CC6000-memory.dmp
memory/3200-133-0x00000000003F0000-0x000000000079E000-memory.dmp
memory/3200-134-0x0000000074300000-0x0000000074AB0000-memory.dmp