Analysis
- max time kernel
135s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
09/05/2023, 16:41
General
- Target CaixaBank _ banca digital CaixaBankNow.exe
- Size 593KB
- Sample230509-t64csach49
- SHA256 110f8f032e4b93189e7ed0b50830994114487e118d63bb8386d71e43829e8b87
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.libreriamarpe.com
-
Port
587
-
Username
-
Password
f9mU@96n
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.libreriamarpe.com
-
Port
587
-
Username
-
Password
f9mU@96n
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 1 IoCs
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\CaixaBank _ banca digital CaixaBankNow.exe"C:\Users\Admin\AppData\Local\Temp\CaixaBank _ banca digital CaixaBankNow.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\CaixaBank _ banca digital CaixaBankNow.exe"C:\Users\Admin\AppData\Local\Temp\CaixaBank _ banca digital CaixaBankNow.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
CaixaBank _ banca digital CaixaBankNow.exe.log
memory/2296-133-0x0000000000F40000-0x0000000000FDA000-memory.dmp
memory/2296-134-0x0000000005E80000-0x0000000006424000-memory.dmp
memory/2296-135-0x0000000005990000-0x0000000005A22000-memory.dmp
memory/2296-136-0x0000000006540000-0x000000000654A000-memory.dmp
memory/2296-137-0x0000000005AB0000-0x0000000005AC0000-memory.dmp
memory/2296-138-0x0000000005AB0000-0x0000000005AC0000-memory.dmp
memory/2296-139-0x0000000008DD0000-0x0000000008E6C000-memory.dmp
memory/5048-140-0x0000000000400000-0x0000000000426000-memory.dmp
memory/5048-143-0x00000000058D0000-0x00000000058E0000-memory.dmp
memory/5048-144-0x00000000058D0000-0x00000000058E0000-memory.dmp