Analysis
- max time kernel
36s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
- submitted
21/12/2022, 10:34
General
- Target Ziraat Bankasi Swift Mesaji.exe
- Size 414KB
- Sample221221-ml4pgsfc7v
- SHA256 d3c2f6c0cf022d926366f343c1048acf8fee9575f42d700cce3f0ffc9605d33d
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5932499274:AAFVgY_mSAbCu0fXfBWMuUmyk56JtTf6--Q/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 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
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\iejhtizfs.exe"C:\Users\Admin\AppData\Local\Temp\iejhtizfs.exe" C:\Users\Admin\AppData\Local\Temp\wqkbdbkh.m2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\iejhtizfs.exe"C:\Users\Admin\AppData\Local\Temp\iejhtizfs.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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
iejhtizfs.exe
iejhtizfs.exe
iejhtizfs.exe
kzlqg.dhv
wqkbdbkh.m
iejhtizfs.exe
iejhtizfs.exe
iejhtizfs.exe
memory/832-67-0x0000000001E50000-0x0000000001E7E000-memory.dmp
memory/832-68-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1588-54-0x0000000075BE1000-0x0000000075BE3000-memory.dmp