Analysis
- max time kernel
117s - max time network
118s - platform
windows7_x64 - resource
win7-20240215-en - resource tags
- submitted
04/06/2024, 01:03
General
- Target 14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe
- Size 864KB
- Sample240604-beew1aff7s
- SHA256 14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.alitextile.com
-
Port
587
-
Username
-
Password
Myname@321
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
- Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Modifies system certificate store 2 TTPs 3 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"2⤵
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
94308059B57B3142E455B38A6EB92015
Tar14CF.tmp
memory/2204-0-0x00000000747BE000-0x00000000747BF000-memory.dmp
memory/2204-1-0x0000000000DA0000-0x0000000000E7A000-memory.dmp
memory/2204-2-0x00000000747B0000-0x0000000074E9E000-memory.dmp
memory/2204-100-0x0000000000580000-0x0000000000596000-memory.dmp
memory/2204-101-0x0000000000730000-0x000000000073E000-memory.dmp
memory/2204-102-0x0000000000780000-0x0000000000790000-memory.dmp
memory/2204-103-0x0000000005D90000-0x0000000005E14000-memory.dmp
memory/2204-118-0x00000000747B0000-0x0000000074E9E000-memory.dmp
memory/2464-112-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2464-116-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2464-114-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2464-110-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2464-106-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2464-105-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2464-104-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2464-108-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2464-117-0x00000000747B0000-0x0000000074E9E000-memory.dmp
memory/2464-119-0x00000000747B0000-0x0000000074E9E000-memory.dmp
memory/2464-120-0x00000000747B0000-0x0000000074E9E000-memory.dmp