Analysis
- max time kernel
128s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20231215-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
- 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).
- Program crash 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 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
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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
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 19643⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2360 -ip 23601⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/2360-51-0x0000000073030000-0x0000000074284000-memory.dmp
memory/2360-55-0x0000000000F50000-0x0000000002409000-memory.dmp
memory/2360-54-0x00000000719E0000-0x0000000072190000-memory.dmp
memory/2360-33-0x0000000000F50000-0x0000000002409000-memory.dmp
memory/2360-34-0x00000000776C8000-0x00000000776C9000-memory.dmp
memory/2360-52-0x00000000719E0000-0x0000000072190000-memory.dmp
memory/2360-37-0x0000000077641000-0x0000000077761000-memory.dmp
memory/2360-50-0x0000000073030000-0x0000000074284000-memory.dmp
memory/3340-32-0x0000000074290000-0x0000000074297000-memory.dmp
memory/3340-36-0x0000000004A60000-0x0000000005F19000-memory.dmp
memory/3340-31-0x0000000077641000-0x0000000077761000-memory.dmp
memory/3340-30-0x0000000004A60000-0x0000000005F19000-memory.dmp