Analysis
- max time kernel
91s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
14/06/2024, 01:05
General
- Target 1ff6ac0b734c37004c50b8ceb4c601d8a4d32d4ceb180ed931355d34f178f905.exe
- Size 592KB
- Sample240614-bf16mayflg
- SHA256 1ff6ac0b734c37004c50b8ceb4c601d8a4d32d4ceb180ed931355d34f178f905
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.horeca-bucuresti.ro
-
Port
21
-
Username
-
Password
H*TE9iL;x61m
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- UPX dump on OEP (original entry point) 2 IoCs
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1ff6ac0b734c37004c50b8ceb4c601d8a4d32d4ceb180ed931355d34f178f905.exe"C:\Users\Admin\AppData\Local\Temp\1ff6ac0b734c37004c50b8ceb4c601d8a4d32d4ceb180ed931355d34f178f905.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\1ff6ac0b734c37004c50b8ceb4c601d8a4d32d4ceb180ed931355d34f178f905.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/3028-20-0x0000000005FB0000-0x0000000006042000-memory.dmp
memory/3028-12-0x0000000000140000-0x0000000000182000-memory.dmp
memory/3028-15-0x0000000073D8E000-0x0000000073D8F000-memory.dmp
memory/3028-16-0x0000000005250000-0x00000000057F4000-memory.dmp
memory/3028-17-0x0000000004BC0000-0x0000000004C26000-memory.dmp
memory/3028-18-0x0000000073D80000-0x0000000074530000-memory.dmp
memory/3028-19-0x0000000005EC0000-0x0000000005F10000-memory.dmp
memory/3028-21-0x0000000005F40000-0x0000000005F4A000-memory.dmp
memory/3028-22-0x0000000073D8E000-0x0000000073D8F000-memory.dmp
memory/3028-23-0x0000000073D80000-0x0000000074530000-memory.dmp
memory/5016-11-0x0000000001190000-0x0000000001194000-memory.dmp
memory/5016-14-0x0000000000FF0000-0x0000000001145000-memory.dmp
memory/5016-0-0x0000000000FF0000-0x0000000001145000-memory.dmp