Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
10/06/2023, 10:06
General
- Target Clientes BBVA Comprovativo de Transferência.exe
- Size 803KB
- Sample230610-l44lrsef46
- SHA256 2012a5289f3b66df67bcbebbffc391ea07eb0a96ebb6892dbfbd0e238c620f3d
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.mutuadebasto.pt
-
Port
587
-
Username
-
Password
mutua_Fernando123
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.mutuadebasto.pt
-
Port
587
-
Username
-
Password
mutua_Fernando123
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 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 13 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Clientes BBVA Comprovativo de Transferência.exe"C:\Users\Admin\AppData\Local\Temp\Clientes BBVA Comprovativo de Transferência.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Clientes BBVA Comprovativo de Transferência.exe"C:\Users\Admin\AppData\Local\Temp\Clientes BBVA Comprovativo de Transferência.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Clientes BBVA Comprovativo de Transferência.exe"C:\Users\Admin\AppData\Local\Temp\Clientes BBVA Comprovativo de Transferência.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3700-140-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3700-142-0x00000000052B0000-0x00000000052C0000-memory.dmp
memory/3700-143-0x00000000066E0000-0x00000000068A2000-memory.dmp
memory/4680-133-0x0000000000DB0000-0x0000000000E80000-memory.dmp
memory/4680-134-0x0000000005E80000-0x0000000006424000-memory.dmp
memory/4680-135-0x00000000058D0000-0x0000000005962000-memory.dmp
memory/4680-136-0x0000000005840000-0x000000000584A000-memory.dmp
memory/4680-137-0x0000000005850000-0x0000000005860000-memory.dmp
memory/4680-138-0x0000000005850000-0x0000000005860000-memory.dmp
memory/4680-139-0x0000000007800000-0x000000000789C000-memory.dmp