Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
04/06/2024, 01:04
General
- Target 1aeb7c1a8691f0453f5894ace64ae38018394a2976624b3b67a6b8a850eb7448.exe
- Size 715KB
- Sample240604-bfc4ssfg2w
- SHA256 1aeb7c1a8691f0453f5894ace64ae38018394a2976624b3b67a6b8a850eb7448
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.ultraflex.com.mx
-
Port
21
-
Username
-
Password
Jgj8-p4Z]a1b
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
- 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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1aeb7c1a8691f0453f5894ace64ae38018394a2976624b3b67a6b8a850eb7448.exe"C:\Users\Admin\AppData\Local\Temp\1aeb7c1a8691f0453f5894ace64ae38018394a2976624b3b67a6b8a850eb7448.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/452-0-0x000000007482E000-0x000000007482F000-memory.dmp
memory/452-1-0x0000000000880000-0x0000000000936000-memory.dmp
memory/452-2-0x0000000005980000-0x0000000005F24000-memory.dmp
memory/452-3-0x0000000005310000-0x00000000053A2000-memory.dmp
memory/452-4-0x00000000054D0000-0x00000000054DA000-memory.dmp
memory/452-5-0x0000000074820000-0x0000000074FD0000-memory.dmp
memory/452-6-0x0000000008470000-0x0000000008486000-memory.dmp
memory/452-7-0x0000000006620000-0x000000000662E000-memory.dmp
memory/452-8-0x0000000006640000-0x0000000006650000-memory.dmp
memory/452-9-0x0000000006680000-0x0000000006702000-memory.dmp
memory/452-10-0x000000000A9E0000-0x000000000AA7C000-memory.dmp
memory/452-11-0x000000007482E000-0x000000007482F000-memory.dmp
memory/452-12-0x0000000074820000-0x0000000074FD0000-memory.dmp
memory/452-13-0x0000000002CE0000-0x0000000002D22000-memory.dmp
memory/452-14-0x00000000067B0000-0x0000000006816000-memory.dmp
memory/452-15-0x0000000008BD0000-0x0000000008C20000-memory.dmp