Analysis
- max time kernel
121s - max time network
125s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
12/03/2024, 02:20
General
- Target 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
- Size 948KB
- Sample240312-csveaadd6x
- SHA256 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.sturmsgroup.com
-
Port
587
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Username
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Password
ipvN$BhoDv7c(DqD
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect ZGRat V1 34 IoCs
- PureLog Stealer
PureLog Stealer is an infostealer written in C#.
- PureLog Stealer payload 1 IoCs
- ZGRat
ZGRat is remote access trojan written in C#.
- Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
- Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 2 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 2 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.
- 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 use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe"C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exeC:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exeC:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exeC:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2140-1138-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2140-1141-0x0000000074460000-0x0000000074B4E000-memory.dmp
memory/2140-1140-0x0000000004B30000-0x0000000004B70000-memory.dmp
memory/2140-1139-0x0000000074460000-0x0000000074B4E000-memory.dmp
memory/2904-38-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-44-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-46-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-8-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-10-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-12-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-14-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-16-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-18-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-20-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-22-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-24-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-26-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-28-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-30-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-32-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-34-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-36-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-0-0x0000000000AB0000-0x0000000000BA4000-memory.dmp
memory/2904-40-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-5-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-42-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-6-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-48-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-50-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-52-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-54-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-56-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-58-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-60-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-62-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-68-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-66-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-64-0x0000000004B50000-0x0000000004C03000-memory.dmp
memory/2904-1119-0x00000000004F0000-0x00000000004F1000-memory.dmp
memory/2904-1120-0x0000000000A60000-0x0000000000AA2000-memory.dmp
memory/2904-1121-0x0000000004390000-0x00000000043DC000-memory.dmp
memory/2904-1134-0x00000000744E0000-0x0000000074BCE000-memory.dmp
memory/2904-4-0x0000000004B50000-0x0000000004C0A000-memory.dmp
memory/2904-3-0x0000000004A90000-0x0000000004B4A000-memory.dmp
memory/2904-2-0x0000000000550000-0x0000000000590000-memory.dmp
memory/2904-1-0x00000000744E0000-0x0000000074BCE000-memory.dmp