Analysis
- max time kernel
147s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
30/08/2024, 02:21
General
- Target dd0a67a62c97ff25c9b2d25c970361795871b655328fccfebd6b9930c8521350.exe
- Size 215KB
- Sample240830-cs4b7atgqq
- SHA256 dd0a67a62c97ff25c9b2d25c970361795871b655328fccfebd6b9930c8521350
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.rehavitalis.com
-
Port
587
-
Username
-
Password
maribel01
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.rehavitalis.com
-
Port
587
-
Username
-
Password
maribel01
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Loads dropped DLL 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- 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 NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\dd0a67a62c97ff25c9b2d25c970361795871b655328fccfebd6b9930c8521350.exe"C:\Users\Admin\AppData\Local\Temp\dd0a67a62c97ff25c9b2d25c970361795871b655328fccfebd6b9930c8521350.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Users\Admin\AppData\Local\Temp\dd0a67a62c97ff25c9b2d25c970361795871b655328fccfebd6b9930c8521350.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/1464-39-0x0000000036900000-0x0000000036966000-memory.dmp
memory/1464-36-0x0000000001100000-0x0000000003F95000-memory.dmp
memory/1464-44-0x00000000376D0000-0x00000000376DA000-memory.dmp
memory/1464-43-0x0000000037750000-0x00000000377E2000-memory.dmp
memory/1464-20-0x0000000001100000-0x0000000003F95000-memory.dmp
memory/1464-33-0x0000000072F40000-0x0000000074194000-memory.dmp
memory/1464-41-0x0000000037610000-0x00000000376AC000-memory.dmp
memory/1464-34-0x0000000001100000-0x0000000003F95000-memory.dmp
memory/1464-37-0x0000000072F40000-0x0000000072F80000-memory.dmp
memory/1464-35-0x0000000072F40000-0x0000000074194000-memory.dmp
memory/1464-38-0x0000000036D00000-0x00000000372A4000-memory.dmp
memory/1464-40-0x0000000037520000-0x0000000037570000-memory.dmp
memory/2500-16-0x00000000049E0000-0x0000000007875000-memory.dmp
memory/2500-17-0x0000000077341000-0x0000000077461000-memory.dmp
memory/2500-19-0x00000000049E0000-0x0000000007875000-memory.dmp
memory/2500-18-0x00000000741A5000-0x00000000741A6000-memory.dmp