Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
12/03/2024, 02:20
General
- Target 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
- Size 948KB
- Sample240312-csveaadd6x
- SHA256 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.sturmsgroup.com
-
Port
587
-
Username
-
Password
ipvN$BhoDv7c(DqD
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.sturmsgroup.com
-
Port
587
-
Username
-
Password
ipvN$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. 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 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe"C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe.log
memory/2824-1130-0x0000000074880000-0x0000000075030000-memory.dmp
memory/2824-1129-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2824-1131-0x0000000005580000-0x0000000005590000-memory.dmp
memory/2824-1132-0x00000000057E0000-0x0000000005846000-memory.dmp
memory/2824-1138-0x0000000005580000-0x0000000005590000-memory.dmp
memory/2824-1137-0x0000000074880000-0x0000000075030000-memory.dmp
memory/2824-1136-0x0000000007170000-0x000000000717A000-memory.dmp
memory/2824-1135-0x00000000071A0000-0x0000000007232000-memory.dmp
memory/2824-1134-0x0000000006F60000-0x0000000006FFC000-memory.dmp
memory/2824-1133-0x0000000006E70000-0x0000000006EC0000-memory.dmp
memory/4492-38-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-50-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-8-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-10-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-12-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-14-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-16-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-18-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-20-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-22-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-24-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-26-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-28-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-32-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-30-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-34-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-36-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-6-0x0000000004E30000-0x0000000004F3A000-memory.dmp
memory/4492-40-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-42-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-44-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-46-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-48-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-7-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-52-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-54-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-56-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-58-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-60-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-62-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-64-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-66-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-68-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-70-0x0000000004C40000-0x0000000004CF3000-memory.dmp
memory/4492-1121-0x0000000004D80000-0x0000000004D81000-memory.dmp
memory/4492-5-0x0000000005320000-0x0000000005938000-memory.dmp
memory/4492-4-0x0000000004C40000-0x0000000004CFA000-memory.dmp
memory/4492-3-0x0000000004AC0000-0x0000000004B7A000-memory.dmp
memory/4492-2-0x0000000004C30000-0x0000000004C40000-memory.dmp
memory/4492-1-0x0000000074880000-0x0000000075030000-memory.dmp
memory/4492-0-0x00000000000B0000-0x00000000001A4000-memory.dmp
memory/4492-1122-0x0000000004DE0000-0x0000000004E22000-memory.dmp
memory/4492-1123-0x0000000005040000-0x000000000508C000-memory.dmp
memory/4492-1124-0x0000000005F40000-0x00000000064E4000-memory.dmp
memory/4492-1128-0x0000000074880000-0x0000000075030000-memory.dmp