Analysis
- max time kernel
135s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
22/05/2023, 08:32
General
- Target 987654345678SK.exe
- Size 243KB
- Sample230522-ke97kshg7y
- SHA256 f471bb104b1ae05e5e786e5f17577f5a199d36b2e39dc6b9c4a5ead9e54960d8
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.sienkakupeste.com
-
Port
587
-
Username
-
Password
010203sienka++
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Drops startup file 2 IoCs
- 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
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\987654345678SK.exe"C:\Users\Admin\AppData\Local\Temp\987654345678SK.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\987654345678SK.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\987654345678SK.exe"C:\Users\Admin\AppData\Local\Temp\987654345678SK.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\987654345678SK.exe"C:\Users\Admin\AppData\Local\Temp\987654345678SK.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
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Downloads
__PSScriptPolicyTest_qpbv3y55.zoi.ps1
memory/2116-140-0x0000000005370000-0x0000000005380000-memory.dmp
memory/2116-134-0x00000000056B0000-0x0000000005C54000-memory.dmp
memory/2116-135-0x00000000051C0000-0x0000000005252000-memory.dmp
memory/2116-136-0x0000000005380000-0x000000000541C000-memory.dmp
memory/2116-133-0x00000000007B0000-0x00000000007F2000-memory.dmp
memory/2620-157-0x0000000005080000-0x0000000005090000-memory.dmp
memory/2620-154-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2620-166-0x0000000005080000-0x0000000005090000-memory.dmp
memory/2620-165-0x0000000006430000-0x000000000643A000-memory.dmp
memory/2620-164-0x00000000064A0000-0x0000000006662000-memory.dmp
memory/3964-138-0x0000000004DF0000-0x0000000005418000-memory.dmp
memory/3964-142-0x00000000023D0000-0x00000000023E0000-memory.dmp
memory/3964-149-0x0000000005600000-0x0000000005666000-memory.dmp
memory/3964-156-0x0000000005D40000-0x0000000005D5E000-memory.dmp
memory/3964-137-0x0000000004780000-0x00000000047B6000-memory.dmp
memory/3964-158-0x0000000006D10000-0x0000000006DA6000-memory.dmp
memory/3964-159-0x0000000006210000-0x000000000622A000-memory.dmp
memory/3964-160-0x0000000006260000-0x0000000006282000-memory.dmp
memory/3964-139-0x0000000004D60000-0x0000000004D82000-memory.dmp
memory/3964-143-0x00000000023D0000-0x00000000023E0000-memory.dmp
memory/3964-141-0x0000000005590000-0x00000000055F6000-memory.dmp