Analysis
- max time kernel
91s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
05/07/2022, 03:43
General
- Target SecuriteInfo.com.Variant.Tedy.125031.6342.exe
- Size 559KB
- Sample220705-d9w5wadfdj
- SHA256 4e4937d04ce933221fad993e7db49a096f11cefbe11c593da9041d5e375d6119
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5412042498:AAH4OVSAlB-9yvO0MxObTPVF8mPej6Ln4M4/sendMessage?chat_id=5573520537
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 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.
- 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 10 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\SecuriteInfo.com.Variant.Tedy.125031.6342.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Tedy.125031.6342.exe"1⤵
- Checks computer location settings
- 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\JbYPrw.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\JbYPrw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F20.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Tedy.125031.6342.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Tedy.125031.6342.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Tedy.125031.6342.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Tedy.125031.6342.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
tmp8F20.tmp
memory/408-147-0x0000000006220000-0x00000000063E2000-memory.dmp
memory/408-143-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1044-151-0x0000000007BA0000-0x000000000821A000-memory.dmp
memory/1044-150-0x00000000067E0000-0x00000000067FE000-memory.dmp
memory/1044-157-0x0000000007880000-0x0000000007888000-memory.dmp
memory/1044-138-0x0000000002950000-0x0000000002986000-memory.dmp
memory/1044-156-0x00000000078A0000-0x00000000078BA000-memory.dmp
memory/1044-155-0x0000000007790000-0x000000000779E000-memory.dmp
memory/1044-142-0x00000000053D0000-0x00000000059F8000-memory.dmp
memory/1044-154-0x00000000077E0000-0x0000000007876000-memory.dmp
memory/1044-153-0x00000000075D0000-0x00000000075DA000-memory.dmp
memory/1044-144-0x0000000005390000-0x00000000053B2000-memory.dmp
memory/1044-145-0x0000000005B70000-0x0000000005BD6000-memory.dmp
memory/1044-146-0x0000000006250000-0x000000000626E000-memory.dmp
memory/1044-152-0x0000000007560000-0x000000000757A000-memory.dmp
memory/1044-148-0x0000000006830000-0x0000000006862000-memory.dmp
memory/1044-149-0x0000000070370000-0x00000000703BC000-memory.dmp
memory/1412-135-0x0000000009550000-0x00000000095B6000-memory.dmp
memory/1412-130-0x0000000000C60000-0x0000000000CF2000-memory.dmp
memory/1412-131-0x0000000005C10000-0x00000000061B4000-memory.dmp
memory/1412-132-0x0000000005700000-0x0000000005792000-memory.dmp
memory/1412-133-0x00000000056A0000-0x00000000056AA000-memory.dmp
memory/1412-134-0x0000000009200000-0x000000000929C000-memory.dmp