Analysis
- max time kernel
72s - max time network
161s - platform
windows7_x64 - resource
win7v20210408 - submitted
04/08/2021, 11:55
General
- Target Halkbank_Ekstre_20190804_084931_069855.PDF.exe
- Size 715KB
- Sample210804-2k4mk1ncpn
- SHA256 bab3176afcad913ec2688d705294fdc9ff2aeec2225a43cd917fba2f9ae80aeb
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.arfemaluminyum.com.tr
-
Port
587
-
Username
-
Password
nav00v1trwjv
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- 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.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20190804_084931_069855.PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20190804_084931_069855.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20190804_084931_069855.PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20190804_084931_069855.PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/320-66-0x0000000000400000-0x0000000000424000-memory.dmp
memory/320-68-0x0000000000400000-0x0000000000424000-memory.dmp
memory/320-70-0x0000000004B80000-0x0000000004B81000-memory.dmp
memory/752-60-0x0000000000BC0000-0x0000000000BC1000-memory.dmp
memory/752-62-0x0000000000B60000-0x0000000000B61000-memory.dmp
memory/752-63-0x00000000004C0000-0x00000000004CD000-memory.dmp
memory/752-64-0x0000000005170000-0x00000000051FC000-memory.dmp
memory/752-65-0x0000000002100000-0x0000000002122000-memory.dmp