Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
15/06/2024, 01:30
General
- Target 4d6231eb07241ffaf6c68e0ae700b6fcbb43756774e1497fb353704284276f46.exe
- Size 1.1MB
- Sample240615-bw2r4ayanl
- SHA256 4d6231eb07241ffaf6c68e0ae700b6fcbb43756774e1497fb353704284276f46
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.ulusallojistik.com
-
Port
587
-
Username
-
Password
%85U67cWRT@
-
Email to
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
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 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\4d6231eb07241ffaf6c68e0ae700b6fcbb43756774e1497fb353704284276f46.exe"C:\Users\Admin\AppData\Local\Temp\4d6231eb07241ffaf6c68e0ae700b6fcbb43756774e1497fb353704284276f46.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\4d6231eb07241ffaf6c68e0ae700b6fcbb43756774e1497fb353704284276f46.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 980 -s 6962⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 980 -ip 9801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/980-10-0x00000000012D0000-0x00000000012D4000-memory.dmp
memory/3984-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3984-12-0x0000000073E0E000-0x0000000073E0F000-memory.dmp
memory/3984-13-0x0000000005E30000-0x00000000063D4000-memory.dmp
memory/3984-14-0x0000000005980000-0x00000000059E6000-memory.dmp
memory/3984-15-0x0000000073E00000-0x00000000745B0000-memory.dmp
memory/3984-17-0x0000000006E30000-0x0000000006E80000-memory.dmp
memory/3984-18-0x0000000006F20000-0x0000000006FB2000-memory.dmp
memory/3984-19-0x0000000006EB0000-0x0000000006EBA000-memory.dmp
memory/3984-20-0x0000000073E0E000-0x0000000073E0F000-memory.dmp
memory/3984-21-0x0000000073E00000-0x00000000745B0000-memory.dmp