Analysis
- max time kernel
48s - max time network
147s - platform
windows7_x64 - resource
win7v20201028 - submitted
26/03/2021, 13:13
General
- Target INVOICE 25667833822..exe
- Size 717KB
- Sample210326-mh3pvqxml2
- SHA256 2f04a5ee5dd49fab427e034e5db7dcc8a4627e700e535001e8a4cd59409f4b60
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot1602937611:AAEOIU1K5xKEVHdfqJXcFCg6EQE57PjXejE/sendMessage?chat_id=1644584536
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 3 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.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\INVOICE 25667833822..exe"C:\Users\Admin\AppData\Local\Temp\INVOICE 25667833822..exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AKxovBfkQwyGqO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp91E3.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\INVOICE 25667833822..exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/776-6-0x0000000000410000-0x0000000000415000-memory.dmp
memory/776-2-0x0000000073F20000-0x000000007460E000-memory.dmp
memory/776-7-0x0000000005ED0000-0x0000000005F43000-memory.dmp
memory/776-8-0x0000000007F70000-0x0000000007FE6000-memory.dmp
memory/776-5-0x00000000047D0000-0x00000000047D1000-memory.dmp
memory/776-3-0x0000000000A70000-0x0000000000A71000-memory.dmp
memory/1088-11-0x0000000000400000-0x0000000000468000-memory.dmp
memory/1088-13-0x0000000073F20000-0x000000007460E000-memory.dmp
memory/1088-14-0x0000000000400000-0x0000000000468000-memory.dmp
memory/1088-16-0x0000000002190000-0x0000000002191000-memory.dmp