Analysis
- max time kernel
102s - max time network
108s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
25/10/2024, 15:24
General
- Target a6d9ae46c1687dfe220b7a8295c3b3cb0e955b2a51581ee68e7443d8f87af4c4N.exe
- Size 529KB
- Sample241025-stblkasdln
- SHA256 a6d9ae46c1687dfe220b7a8295c3b3cb0e955b2a51581ee68e7443d8f87af4c4
Malware Config
Extracted
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snakekeylogger
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https://api.telegram.org/bot6758088233:AAFj4Y2Zn6GDp8qtYIlHf1VVN4k4QQ5uaio/sendMessage?chat_id=5117030493
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Snakekeylogger family
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 26 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a6d9ae46c1687dfe220b7a8295c3b3cb0e955b2a51581ee68e7443d8f87af4c4N.exe"C:\Users\Admin\AppData\Local\Temp\a6d9ae46c1687dfe220b7a8295c3b3cb0e955b2a51581ee68e7443d8f87af4c4N.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\Local\Temp\a6d9ae46c1687dfe220b7a8295c3b3cb0e955b2a51581ee68e7443d8f87af4c4N.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\YrWafbx.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YrWafbx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp56A7.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\a6d9ae46c1687dfe220b7a8295c3b3cb0e955b2a51581ee68e7443d8f87af4c4N.exe"C:\Users\Admin\AppData\Local\Temp\a6d9ae46c1687dfe220b7a8295c3b3cb0e955b2a51581ee68e7443d8f87af4c4N.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\a6d9ae46c1687dfe220b7a8295c3b3cb0e955b2a51581ee68e7443d8f87af4c4N.exe"C:\Users\Admin\AppData\Local\Temp\a6d9ae46c1687dfe220b7a8295c3b3cb0e955b2a51581ee68e7443d8f87af4c4N.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\a6d9ae46c1687dfe220b7a8295c3b3cb0e955b2a51581ee68e7443d8f87af4c4N.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 34⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
a6d9ae46c1687dfe220b7a8295c3b3cb0e955b2a51581ee68e7443d8f87af4c4N.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_a4xf4ozf.ljr.ps1
tmp56A7.tmp
memory/628-75-0x00000000073A0000-0x00000000073BA000-memory.dmp
memory/628-80-0x00000000075E0000-0x00000000075F4000-memory.dmp
memory/628-78-0x00000000075A0000-0x00000000075B1000-memory.dmp
memory/628-51-0x0000000006640000-0x0000000006672000-memory.dmp
memory/628-52-0x00000000701C0000-0x000000007020C000-memory.dmp
memory/628-63-0x00000000066B0000-0x00000000066CE000-memory.dmp
memory/628-50-0x00000000060B0000-0x00000000060FC000-memory.dmp
memory/628-82-0x00000000076C0000-0x00000000076C8000-memory.dmp
memory/628-20-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/628-89-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/628-29-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/628-22-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/1312-21-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3332-35-0x00000000056E0000-0x0000000005A34000-memory.dmp
memory/3332-73-0x0000000006C90000-0x0000000006D33000-memory.dmp
memory/3332-18-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/3332-17-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/3332-28-0x0000000005670000-0x00000000056D6000-memory.dmp
memory/3332-27-0x0000000005600000-0x0000000005666000-memory.dmp
memory/3332-88-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/3332-26-0x0000000004EE0000-0x0000000004F02000-memory.dmp
memory/3332-24-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/3332-49-0x0000000005CA0000-0x0000000005CBE000-memory.dmp
memory/3332-16-0x0000000004FD0000-0x00000000055F8000-memory.dmp
memory/3332-15-0x0000000002390000-0x00000000023C6000-memory.dmp
memory/3332-60-0x00000000701C0000-0x000000007020C000-memory.dmp
memory/3332-81-0x0000000007310000-0x000000000732A000-memory.dmp
memory/3332-79-0x0000000007200000-0x000000000720E000-memory.dmp
memory/3332-77-0x0000000007250000-0x00000000072E6000-memory.dmp
memory/3332-76-0x0000000007040000-0x000000000704A000-memory.dmp
memory/3332-74-0x0000000007610000-0x0000000007C8A000-memory.dmp
memory/4084-8-0x00000000053B0000-0x00000000053C2000-memory.dmp
memory/4084-25-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/4084-7-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/4084-9-0x0000000007A80000-0x0000000007AE8000-memory.dmp
memory/4084-6-0x000000007454E000-0x000000007454F000-memory.dmp
memory/4084-10-0x000000000A210000-0x000000000A2AC000-memory.dmp
memory/4084-5-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/4084-4-0x0000000004EB0000-0x0000000004EBA000-memory.dmp
memory/4084-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp
memory/4084-2-0x00000000053D0000-0x0000000005974000-memory.dmp
memory/4084-0-0x000000007454E000-0x000000007454F000-memory.dmp
memory/4084-1-0x0000000000420000-0x00000000004AA000-memory.dmp