Analysis
- max time kernel
115s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
07/03/2023, 12:27
General
- Target file.exe
- Size 774KB
- Sample230307-pmrseshc81
- SHA256 1896efa72cff54069401ed803a33765d3f6ca525aba0be3c5d7f27c9f9e02269
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5875198898:AAHb7cYwGrkdJdBq0_UiL6kYLg7WcXhadcM/sendMessage?chat_id=5279616630
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 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\testsohkf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\testsohkf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1424.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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
file.exe.log
__PSScriptPolicyTest_j4aooeuu.psq.ps1
tmp1424.tmp
memory/2020-136-0x0000000005160000-0x00000000051F2000-memory.dmp
memory/2020-137-0x0000000005FB0000-0x000000000604C000-memory.dmp
memory/2020-135-0x0000000005670000-0x0000000005C14000-memory.dmp
memory/2020-134-0x00000000050B0000-0x00000000050C0000-memory.dmp
memory/2020-133-0x0000000000640000-0x0000000000708000-memory.dmp
memory/2144-189-0x0000000005290000-0x00000000052A0000-memory.dmp
memory/2144-186-0x0000000006390000-0x000000000639A000-memory.dmp
memory/2144-145-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2144-185-0x0000000006400000-0x00000000065C2000-memory.dmp
memory/2144-163-0x0000000005290000-0x00000000052A0000-memory.dmp
memory/3788-162-0x0000000005CE0000-0x0000000005CFE000-memory.dmp
memory/3788-177-0x0000000007630000-0x0000000007CAA000-memory.dmp
memory/3788-157-0x0000000000BC0000-0x0000000000BD0000-memory.dmp
memory/3788-148-0x0000000004DB0000-0x0000000004E16000-memory.dmp
memory/3788-150-0x00000000056A0000-0x0000000005706000-memory.dmp
memory/3788-164-0x0000000000BC0000-0x0000000000BD0000-memory.dmp
memory/3788-165-0x0000000006EA0000-0x0000000006ED2000-memory.dmp
memory/3788-166-0x0000000071AB0000-0x0000000071AFC000-memory.dmp
memory/3788-176-0x0000000006280000-0x000000000629E000-memory.dmp
memory/3788-156-0x0000000000BC0000-0x0000000000BD0000-memory.dmp
memory/3788-178-0x0000000006FF0000-0x000000000700A000-memory.dmp
memory/3788-179-0x000000007EF30000-0x000000007EF40000-memory.dmp
memory/3788-180-0x0000000007060000-0x000000000706A000-memory.dmp
memory/3788-181-0x0000000007270000-0x0000000007306000-memory.dmp
memory/3788-182-0x0000000007220000-0x000000000722E000-memory.dmp
memory/3788-183-0x0000000007330000-0x000000000734A000-memory.dmp
memory/3788-184-0x0000000007310000-0x0000000007318000-memory.dmp
memory/3788-146-0x0000000004C10000-0x0000000004C32000-memory.dmp
memory/3788-144-0x0000000004F00000-0x0000000005528000-memory.dmp
memory/3788-142-0x00000000023E0000-0x0000000002416000-memory.dmp