Analysis
- max time kernel
135s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - 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
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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 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
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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⤵
- 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\fOyFrlhdTkIv.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fOyFrlhdTkIv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF7AC.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⤵
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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"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
tmpF7AC.tmp
memory/940-131-0x0000000005880000-0x0000000005E24000-memory.dmp
memory/940-132-0x0000000005190000-0x0000000005222000-memory.dmp
memory/940-133-0x0000000005160000-0x000000000516A000-memory.dmp
memory/940-134-0x0000000008CE0000-0x0000000008D7C000-memory.dmp
memory/940-130-0x00000000006C0000-0x00000000007D0000-memory.dmp
memory/4156-147-0x00000000069B0000-0x0000000006B72000-memory.dmp
memory/4156-142-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4388-144-0x0000000005550000-0x00000000055B6000-memory.dmp
memory/4388-149-0x0000000006270000-0x00000000062A2000-memory.dmp
memory/4388-140-0x0000000004E00000-0x0000000005428000-memory.dmp
memory/4388-143-0x0000000005430000-0x0000000005452000-memory.dmp
memory/4388-137-0x00000000023A0000-0x00000000023D6000-memory.dmp
memory/4388-145-0x0000000005670000-0x00000000056D6000-memory.dmp
memory/4388-146-0x0000000005CB0000-0x0000000005CCE000-memory.dmp
memory/4388-148-0x0000000002445000-0x0000000002447000-memory.dmp
memory/4388-158-0x00000000072D0000-0x00000000072D8000-memory.dmp
memory/4388-150-0x0000000070820000-0x000000007086C000-memory.dmp
memory/4388-151-0x0000000006250000-0x000000000626E000-memory.dmp
memory/4388-152-0x0000000007600000-0x0000000007C7A000-memory.dmp
memory/4388-153-0x0000000006FB0000-0x0000000006FCA000-memory.dmp
memory/4388-154-0x0000000007030000-0x000000000703A000-memory.dmp
memory/4388-155-0x0000000007230000-0x00000000072C6000-memory.dmp
memory/4388-156-0x00000000071E0000-0x00000000071EE000-memory.dmp
memory/4388-157-0x00000000072F0000-0x000000000730A000-memory.dmp