Analysis
- max time kernel
134s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
19/01/2022, 14:50
General
- Target ugo.exe
- Size 388KB
- Sample220119-r7l4saagf3
- SHA256 ae5de5c77e3ee525bcb450121f314cce46bc09fb4248d38548a418ff7d9b5b48
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot1620445910:AAF2v81NoINJsu_XXnpGet1YDm-NxnznaIE/sendMessage?chat_id=1063661839
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 1 IoCs
- Disables RegEdit via registry modification
- Disables Task Manager via registry modification
- 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Modifies registry key 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ugo.exe"C:\Users\Admin\AppData\Local\Temp\ugo.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ugo.exe"C:\Users\Admin\AppData\Local\Temp\ugo.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f3⤵
- Modifies registry key
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/564-136-0x0000000000400000-0x0000000000426000-memory.dmp
memory/564-137-0x0000000005860000-0x0000000005E04000-memory.dmp
memory/564-138-0x0000000006E10000-0x0000000006FD2000-memory.dmp
memory/2456-130-0x0000000000DB0000-0x0000000000E14000-memory.dmp
memory/2456-131-0x0000000005D70000-0x0000000006314000-memory.dmp
memory/2456-132-0x0000000005860000-0x00000000058F2000-memory.dmp
memory/2456-133-0x00000000057C0000-0x0000000005D64000-memory.dmp
memory/2456-134-0x00000000057E0000-0x00000000057EA000-memory.dmp
memory/2456-135-0x0000000007D00000-0x0000000007D9C000-memory.dmp