Analysis
- max time kernel
142s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231127-en - resource tags
- submitted
01/12/2023, 01:09
General
- Target Scan_20231130_085902_pdf .exe
- Size 827KB
- Sample231201-bht54adc76
- SHA256 ecfe6f56c220473c0f1730960e907f103e893c3778155d3f675ebbce4621b61a
Malware Config
Extracted
-
Protocol
smtp
-
Host
mailbuilderbuilder.com
-
Port
587
-
Username
-
Password
Alluminio.1
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mailbuilderbuilder.com
-
Port
587
-
Username
-
Password
Alluminio.1
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect PureLogs payload 1 IoCs
- PureLogs
PureLogs is an infostealer written in C#.
- 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 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 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Scan_20231130_085902_pdf .exe"C:\Users\Admin\AppData\Local\Temp\Scan_20231130_085902_pdf .exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Scan_20231130_085902_pdf .exe"C:\Users\Admin\AppData\Local\Temp\Scan_20231130_085902_pdf .exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Scan_20231130_085902_pdf .exe.log
memory/1536-16-0x0000000005450000-0x00000000054B6000-memory.dmp
memory/1536-18-0x0000000006B80000-0x0000000006C1C000-memory.dmp
memory/1536-22-0x00000000053D0000-0x00000000053E0000-memory.dmp
memory/1536-21-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/1536-20-0x0000000006C60000-0x0000000006C6A000-memory.dmp
memory/1536-19-0x0000000006CC0000-0x0000000006D52000-memory.dmp
memory/1536-17-0x0000000006A90000-0x0000000006AE0000-memory.dmp
memory/1536-15-0x00000000053D0000-0x00000000053E0000-memory.dmp
memory/1536-14-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/1536-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3848-2-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/3848-9-0x0000000006300000-0x00000000068A4000-memory.dmp
memory/3848-1-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/3848-8-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/3848-0-0x0000000000730000-0x0000000000804000-memory.dmp
memory/3848-7-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/3848-13-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/3848-6-0x0000000005CC0000-0x0000000005D0C000-memory.dmp
memory/3848-5-0x0000000005C80000-0x0000000005CC0000-memory.dmp
memory/3848-4-0x0000000005C20000-0x0000000005C60000-memory.dmp
memory/3848-3-0x0000000005B50000-0x0000000005BA8000-memory.dmp