Analysis
- max time kernel
139s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
05/10/2022, 06:02
General
- Target v6YuSRd3jiSNLr5.exe
- Size 1.6MB
- Sample221005-grflysdgal
- SHA256 a49f6e00c0468e074fa2204a7862c22aa3b934af4f2bb281c55d8bb65da67e44
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
dubaioilandgas.xyz
-
Port
587
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Username
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Password
7213575aceACE@#$
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Email to
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https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Executes dropped EXE 3 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\v6YuSRd3jiSNLr5.exe"C:\Users\Admin\AppData\Local\Temp\v6YuSRd3jiSNLr5.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_v6YuSRd3jiSNLr5.exe"C:\Users\Admin\AppData\Local\Temp\._cache_v6YuSRd3jiSNLr5.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_v6YuSRd3jiSNLr5.exe"C:\Users\Admin\AppData\Local\Temp\._cache_v6YuSRd3jiSNLr5.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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-
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Executes dropped EXE
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
Synaptics.exe
Synaptics.exe
._cache_v6YuSRd3jiSNLr5.exe.log
._cache_v6YuSRd3jiSNLr5.exe
._cache_v6YuSRd3jiSNLr5.exe
._cache_v6YuSRd3jiSNLr5.exe
cqp8AnIt.xlsm
memory/4760-147-0x00007FF809A10000-0x00007FF809A20000-memory.dmp
memory/4760-148-0x00007FF809A10000-0x00007FF809A20000-memory.dmp
memory/4760-142-0x00007FF80BCD0000-0x00007FF80BCE0000-memory.dmp
memory/4760-143-0x00007FF80BCD0000-0x00007FF80BCE0000-memory.dmp
memory/4760-144-0x00007FF80BCD0000-0x00007FF80BCE0000-memory.dmp
memory/4760-145-0x00007FF80BCD0000-0x00007FF80BCE0000-memory.dmp
memory/4760-146-0x00007FF80BCD0000-0x00007FF80BCE0000-memory.dmp
memory/4792-138-0x00000000008E0000-0x00000000009C4000-memory.dmp
memory/4792-141-0x0000000002F00000-0x0000000002F0A000-memory.dmp
memory/4792-140-0x00000000053A0000-0x0000000005432000-memory.dmp
memory/4792-150-0x0000000008440000-0x00000000084DC000-memory.dmp
memory/4792-151-0x00000000084E0000-0x0000000008546000-memory.dmp
memory/4792-139-0x0000000005A90000-0x0000000006034000-memory.dmp
memory/5084-153-0x0000000000400000-0x0000000000426000-memory.dmp
memory/5084-156-0x0000000006340000-0x0000000006502000-memory.dmp