Analysis
- max time kernel
4294183s - max time network
127s - platform
windows7_x64 - resource
win7-20220311-en - submitted
28/03/2022, 04:29
General
- Target 583953_03_28_2022,pdf.exe
- Size 1.0MB
- Sample220328-e38qrsgcd7
- SHA256 afe482e8b31cdab9fc20bbe3c2e39bac17c4c98a71e89ca57439ca9dd0f0249e
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.floragumruk.com.tr
-
Port
587
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Username
-
Password
F8VAZmULpm(9
Extracted
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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 6 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
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\583953_03_28_2022,pdf.exe"C:\Users\Admin\AppData\Local\Temp\583953_03_28_2022,pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fOyFrlhdTkIv.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fOyFrlhdTkIv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA9D.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\583953_03_28_2022,pdf.exe"C:\Users\Admin\AppData\Local\Temp\583953_03_28_2022,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
tmpEA9D.tmp
memory/1504-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1504-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1504-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1504-71-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1504-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1504-65-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1504-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1600-59-0x0000000075801000-0x0000000075803000-memory.dmp
memory/1600-74-0x000000006F250000-0x000000006F7FB000-memory.dmp
memory/1600-75-0x0000000002370000-0x0000000002FBA000-memory.dmp
memory/2028-54-0x0000000000EE0000-0x0000000000FF0000-memory.dmp
memory/2028-61-0x0000000004810000-0x0000000004836000-memory.dmp
memory/2028-55-0x00000000004A0000-0x00000000004AA000-memory.dmp
memory/2028-56-0x0000000008100000-0x00000000081F0000-memory.dmp