Analysis
- max time kernel
102s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
11/06/2024, 01:14
General
- Target Shipping Documents PONBOM01577/Shipping Documents PONBOM01577.xlsx.exe
- Size 390KB
- Sample240611-bl3awaybjf
- SHA256 df9e1f7fa8d1badaa7afd42cc3aac4ef5aad3a9973ee71059599325284566e67
Malware Config
Extracted
-
Protocol
ftp
-
Host
s4.serv00.com
-
Port
21
-
Username
f2241_dol
-
Password
Doll900#@
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://s4.serv00.com
-
Port
21
-
Username
f2241_dol
-
Password
Doll900#@
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 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
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Shipping Documents PONBOM01577\Shipping Documents PONBOM01577.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents PONBOM01577\Shipping Documents PONBOM01577.xlsx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Shipping Documents PONBOM01577\Shipping Documents PONBOM01577.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents PONBOM01577\Shipping Documents PONBOM01577.xlsx.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Shipping Documents PONBOM01577.xlsx.exe.log
memory/916-6-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/916-9-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/916-17-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/916-15-0x0000000006AC0000-0x0000000006ACA000-memory.dmp
memory/916-7-0x0000000005740000-0x0000000005CE4000-memory.dmp
memory/916-14-0x0000000006B20000-0x0000000006BB2000-memory.dmp
memory/916-8-0x0000000005290000-0x00000000052F6000-memory.dmp
memory/916-2-0x0000000000400000-0x0000000000442000-memory.dmp
memory/916-12-0x00000000068F0000-0x0000000006940000-memory.dmp
memory/916-13-0x00000000069E0000-0x0000000006A7C000-memory.dmp
memory/2456-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp
memory/2456-5-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/2456-16-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/2456-1-0x0000000000F30000-0x0000000000F96000-memory.dmp