Analysis
- max time kernel
150s - max time network
130s - platform
windows7_x64 - resource
win7 - submitted
19/10/2020, 06:42
General
- Target gunzipped.exe
- Size 760KB
- Sample201019-524jhra4vx
- SHA256 b84aa5ba2bf1c040d2f318a7f5ff77ee7e8e98a33c458f32c737106568549879
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.interprizecloude.com/
-
Port
21
-
Username
-
Password
boygirl123456
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1500-0-0x0000000073B80000-0x000000007426E000-memory.dmp
memory/1500-1-0x0000000001240000-0x0000000001241000-memory.dmp
memory/1500-3-0x0000000000320000-0x000000000032B000-memory.dmp
memory/1500-4-0x0000000005000000-0x000000000506D000-memory.dmp
memory/1500-5-0x0000000000D80000-0x0000000000DB9000-memory.dmp
memory/1968-6-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1968-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1968-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1968-10-0x0000000073B80000-0x000000007426E000-memory.dmp