Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
08/06/2024, 01:41
General
- Target 0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe
- Size 390KB
- Sample240608-b4l2lsgb97
- SHA256 0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1
Malware Config
Extracted
-
Protocol
ftp
-
Host
s3.serv00.com
-
Port
21
-
Username
f9226_jono
-
Password
Ogasa56#@
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://s3.serv00.com
-
Port
21
-
Username
f9226_jono
-
Password
Ogasa56#@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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\0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe"C:\Users\Admin\AppData\Local\Temp\0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe"C:\Users\Admin\AppData\Local\Temp\0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.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
0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe.log
memory/220-7-0x00000000748B0000-0x0000000075060000-memory.dmp
memory/220-9-0x00000000748B0000-0x0000000075060000-memory.dmp
memory/220-17-0x00000000748B0000-0x0000000075060000-memory.dmp
memory/220-15-0x0000000006830000-0x000000000683A000-memory.dmp
memory/220-6-0x0000000005570000-0x0000000005B14000-memory.dmp
memory/220-14-0x0000000006890000-0x0000000006922000-memory.dmp
memory/220-8-0x0000000004F10000-0x0000000004F76000-memory.dmp
memory/220-2-0x0000000000400000-0x0000000000442000-memory.dmp
memory/220-12-0x0000000006660000-0x00000000066B0000-memory.dmp
memory/220-13-0x0000000006750000-0x00000000067EC000-memory.dmp
memory/4724-0-0x00000000748BE000-0x00000000748BF000-memory.dmp
memory/4724-5-0x00000000748B0000-0x0000000075060000-memory.dmp
memory/4724-16-0x00000000748B0000-0x0000000075060000-memory.dmp
memory/4724-1-0x00000000000E0000-0x0000000000146000-memory.dmp