Analysis
- max time kernel
86s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
26/10/2022, 13:31
General
- Target RFQ 26_2020.pdf.z.exe
- Size 847KB
- Sample221026-qsdcnafhcl
- SHA256 61bc7f47158933d830a50e320e75ba4ee659c2272c6df73813681d8563e9ebbc
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
29mj4rLzNN^G
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- 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
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ 26_2020.pdf.z.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 26_2020.pdf.z.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RFQ 26_2020.pdf.z.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 26_2020.pdf.z.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
RFQ 26_2020.pdf.z.exe.log
memory/3036-132-0x0000000000B80000-0x0000000000C5A000-memory.dmp
memory/3036-133-0x0000000005CA0000-0x0000000006244000-memory.dmp
memory/3036-134-0x00000000056F0000-0x0000000005782000-memory.dmp
memory/3036-135-0x0000000005610000-0x000000000561A000-memory.dmp
memory/3036-136-0x0000000007860000-0x00000000078FC000-memory.dmp
memory/4948-138-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4948-140-0x0000000006A20000-0x0000000006BE2000-memory.dmp