Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
29/03/2022, 04:32
General
- Target SLPO19847,pdf.exe
- Size 987KB
- Sample220329-e5yzcaffek
- SHA256 4faf777c10dd803bf568dae9a4d27f4db2fcfeb54df64fa37b0c883fb0f029ca
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.floragumruk.com.tr
-
Port
587
-
Username
-
Password
F8VAZmULpm(9
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.floragumruk.com.tr
-
Port
587
-
Username
-
Password
F8VAZmULpm(9
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 1 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
- 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SLPO19847,pdf.exe"C:\Users\Admin\AppData\Local\Temp\SLPO19847,pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BUfmFgi.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BUfmFgi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp33CA.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SLPO19847,pdf.exe"C:\Users\Admin\AppData\Local\Temp\SLPO19847,pdf.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
Loading Replay Monitor...
Downloads
tmp33CA.tmp
memory/1940-147-0x00000000059A0000-0x0000000005A06000-memory.dmp
memory/1940-153-0x00000000065B0000-0x00000000065CE000-memory.dmp
memory/1940-160-0x0000000007630000-0x0000000007638000-memory.dmp
memory/1940-159-0x0000000007650000-0x000000000766A000-memory.dmp
memory/1940-157-0x0000000007590000-0x0000000007626000-memory.dmp
memory/1940-140-0x0000000004A70000-0x0000000004AA6000-memory.dmp
memory/1940-156-0x0000000007380000-0x000000000738A000-memory.dmp
memory/1940-143-0x0000000005210000-0x0000000005838000-memory.dmp
memory/1940-155-0x0000000007310000-0x000000000732A000-memory.dmp
memory/1940-154-0x0000000007950000-0x0000000007FCA000-memory.dmp
memory/1940-148-0x0000000006010000-0x000000000602E000-memory.dmp
memory/1940-146-0x0000000005840000-0x00000000058A6000-memory.dmp
memory/1940-158-0x0000000007540000-0x000000000754E000-memory.dmp
memory/1940-145-0x0000000005020000-0x0000000005042000-memory.dmp
memory/1940-152-0x0000000070AF0000-0x0000000070B3C000-memory.dmp
memory/1940-150-0x0000000004BD5000-0x0000000004BD7000-memory.dmp
memory/1940-151-0x00000000065D0000-0x0000000006602000-memory.dmp
memory/2728-149-0x0000000006E30000-0x0000000006FF2000-memory.dmp
memory/2728-144-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3096-135-0x00000000052F0000-0x0000000005382000-memory.dmp
memory/3096-134-0x00000000058A0000-0x0000000005E44000-memory.dmp
memory/3096-133-0x00000000007B0000-0x00000000008AE000-memory.dmp
memory/3096-137-0x0000000008CB0000-0x0000000008D4C000-memory.dmp
memory/3096-136-0x0000000005240000-0x000000000524A000-memory.dmp