Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
01/04/2022, 12:40
General
- Target ING2022_04_0100088877,PDF.exe
- Size 493KB
- Sample220401-pv673sffcj
- SHA256 3142524efdca29ed19bfb8261b38bad549c427aaee7cb6aa0ac035845b880d0c
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.sampharindo.com
-
Port
587
-
Username
-
Password
perdana1770
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.sampharindo.com
-
Port
587
-
Username
-
Password
perdana1770
-
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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ING2022_04_0100088877,PDF.exe"C:\Users\Admin\AppData\Local\Temp\ING2022_04_0100088877,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\kYxDiqK.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kYxDiqK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF412.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\ING2022_04_0100088877,PDF.exe"C:\Users\Admin\AppData\Local\Temp\ING2022_04_0100088877,PDF.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\ING2022_04_0100088877,PDF.exe"C:\Users\Admin\AppData\Local\Temp\ING2022_04_0100088877,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
tmpF412.tmp
memory/2884-147-0x0000000005340000-0x00000000053A6000-memory.dmp
memory/2884-156-0x0000000006D80000-0x0000000006D8A000-memory.dmp
memory/2884-160-0x0000000007030000-0x0000000007038000-memory.dmp
memory/2884-140-0x0000000000CA0000-0x0000000000CD6000-memory.dmp
memory/2884-159-0x0000000007050000-0x000000000706A000-memory.dmp
memory/2884-142-0x0000000004B90000-0x00000000051B8000-memory.dmp
memory/2884-158-0x0000000006F40000-0x0000000006F4E000-memory.dmp
memory/2884-157-0x0000000006F90000-0x0000000007026000-memory.dmp
memory/2884-153-0x0000000005FB0000-0x0000000005FCE000-memory.dmp
memory/2884-146-0x0000000004960000-0x0000000004982000-memory.dmp
memory/2884-155-0x0000000006D10000-0x0000000006D2A000-memory.dmp
memory/2884-148-0x0000000005910000-0x000000000592E000-memory.dmp
memory/2884-154-0x0000000007360000-0x00000000079DA000-memory.dmp
memory/2884-150-0x0000000000D15000-0x0000000000D17000-memory.dmp
memory/2884-151-0x0000000005FD0000-0x0000000006002000-memory.dmp
memory/2884-152-0x00000000707C0000-0x000000007080C000-memory.dmp
memory/3932-149-0x0000000006BF0000-0x0000000006DB2000-memory.dmp
memory/3932-145-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3932-161-0x0000000006B20000-0x0000000006B2A000-memory.dmp
memory/4028-137-0x0000000006180000-0x00000000061E6000-memory.dmp
memory/4028-133-0x00000000004A0000-0x0000000000522000-memory.dmp
memory/4028-134-0x0000000005750000-0x0000000005CF4000-memory.dmp
memory/4028-135-0x00000000050A0000-0x0000000005132000-memory.dmp
memory/4028-136-0x0000000005460000-0x00000000054FC000-memory.dmp