Analysis
- max time kernel
127s - max time network
170s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
19/01/2024, 01:01
General
- Target Adobe-Reader-v8.0-latest-installer.exe
- Size 739KB
- Sample240119-bdgdfacahm
- SHA256 47a05b7efdfad238172f1e804fb8a681b88281fae68e9a6efabe9b175c1572f7
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.profilatieffe.it
-
Port
587
-
Username
-
Password
Pasu4Bio
-
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.
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- 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
- Drops file in Windows directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Adobe-Reader-v8.0-latest-installer.exe"C:\Users\Admin\AppData\Local\Temp\Adobe-Reader-v8.0-latest-installer.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"C:\Users\Admin\AppData\Local\Temp\Adobe-Reader-v8.0-latest-installer.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/1104-31-0x0000000002FE0000-0x0000000004499000-memory.dmp
memory/1104-32-0x0000000002FE0000-0x0000000004499000-memory.dmp
memory/1104-33-0x0000000077970000-0x0000000077B19000-memory.dmp
memory/1104-34-0x0000000077B60000-0x0000000077C36000-memory.dmp
memory/1104-35-0x0000000074E90000-0x0000000074E97000-memory.dmp
memory/2944-36-0x0000000000B20000-0x0000000001FD9000-memory.dmp
memory/2944-37-0x0000000000B20000-0x0000000001FD9000-memory.dmp
memory/2944-38-0x0000000077970000-0x0000000077B19000-memory.dmp
memory/2944-39-0x0000000077B96000-0x0000000077B97000-memory.dmp
memory/2944-40-0x0000000077B60000-0x0000000077C36000-memory.dmp
memory/2944-42-0x0000000072FA0000-0x0000000074002000-memory.dmp
memory/2944-64-0x0000000072FA0000-0x0000000074002000-memory.dmp
memory/2944-65-0x00000000728B0000-0x0000000072F9E000-memory.dmp
memory/2944-66-0x0000000072FA0000-0x0000000072FE2000-memory.dmp
memory/2944-67-0x0000000032450000-0x0000000032490000-memory.dmp
memory/2944-68-0x0000000077970000-0x0000000077B19000-memory.dmp
memory/2944-70-0x00000000728B0000-0x0000000072F9E000-memory.dmp
memory/2944-71-0x0000000000B20000-0x0000000001FD9000-memory.dmp