Analysis
- max time kernel
143s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
22/05/2023, 08:48
General
- Target temyiz taslağı yedek.docx.exe
- Size 297KB
- Sample230522-kqe6ksfb63
- SHA256 62dc73beb92c72827a3408e42c9220f5d33258258ff03bfc7285d02f7372eee8
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 4 IoCs
- Loads dropped DLL 1 IoCs
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 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 4 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\temyiz taslağı yedek.docx.exe"C:\Users\Admin\AppData\Local\Temp\temyiz taslağı yedek.docx.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\temyiz taslağı yedek.docx.exe"C:\Users\Admin\AppData\Local\Temp\temyiz taslağı yedek.docx.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
cpbxla.dll
memory/3004-140-0x0000000003160000-0x0000000003162000-memory.dmp
memory/4460-141-0x0000000000400000-0x000000000044E000-memory.dmp
memory/4460-142-0x0000000000400000-0x000000000044E000-memory.dmp
memory/4460-143-0x0000000000400000-0x000000000044E000-memory.dmp
memory/4460-144-0x0000000004A90000-0x0000000005034000-memory.dmp
memory/4460-145-0x0000000005040000-0x00000000050D2000-memory.dmp
memory/4460-146-0x0000000000400000-0x000000000044E000-memory.dmp
memory/4460-149-0x00000000051D0000-0x000000000526C000-memory.dmp
memory/4460-148-0x0000000004A80000-0x0000000004A90000-memory.dmp
memory/4460-147-0x0000000004A80000-0x0000000004A90000-memory.dmp
memory/4460-150-0x0000000004A80000-0x0000000004A90000-memory.dmp
memory/4460-151-0x0000000004A80000-0x0000000004A90000-memory.dmp
memory/4460-152-0x0000000005C60000-0x0000000005CC6000-memory.dmp
memory/4460-154-0x0000000004A80000-0x0000000004A90000-memory.dmp
memory/4460-155-0x0000000004A80000-0x0000000004A90000-memory.dmp
memory/4460-156-0x0000000004A80000-0x0000000004A90000-memory.dmp
memory/4460-164-0x0000000005D90000-0x0000000005DE0000-memory.dmp
memory/4460-165-0x0000000000910000-0x000000000091A000-memory.dmp