Analysis
- max time kernel
140s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
03/05/2024, 02:05
General
- Target DNXS-04-22.exe
- Size 868KB
- Sample240503-ch7xmacd7x
- SHA256 8b9dedaa09d239667dd9cabe0c7efab61712868b32ebb3a50110df8980823ce9
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.eraslangroup.net
-
Port
587
-
Username
-
Password
aHZAyjDK
-
Email to
-
https://scratchdreams.tk
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables with potential process hoocking 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 2 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\DNXS-04-22.exe"C:\Users\Admin\AppData\Local\Temp\DNXS-04-22.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DNXS-04-22.exe"C:\Users\Admin\AppData\Local\Temp\DNXS-04-22.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2440-10-0x00000000066D0000-0x0000000006738000-memory.dmp
memory/2440-1-0x00000000005B0000-0x000000000068E000-memory.dmp
memory/2440-2-0x00000000056E0000-0x0000000005C84000-memory.dmp
memory/2440-3-0x0000000005060000-0x00000000050F2000-memory.dmp
memory/2440-4-0x0000000005130000-0x0000000005484000-memory.dmp
memory/2440-5-0x0000000074440000-0x0000000074BF0000-memory.dmp
memory/2440-6-0x0000000005680000-0x000000000568A000-memory.dmp
memory/2440-7-0x0000000005D20000-0x0000000005D38000-memory.dmp
memory/2440-9-0x0000000006680000-0x0000000006696000-memory.dmp
memory/2440-8-0x0000000006670000-0x000000000667E000-memory.dmp
memory/2440-16-0x0000000074440000-0x0000000074BF0000-memory.dmp
memory/2440-11-0x0000000008FA0000-0x000000000903C000-memory.dmp
memory/2440-0-0x000000007444E000-0x000000007444F000-memory.dmp
memory/2440-14-0x000000007444E000-0x000000007444F000-memory.dmp
memory/4904-15-0x0000000074440000-0x0000000074BF0000-memory.dmp
memory/4904-12-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4904-17-0x0000000074440000-0x0000000074BF0000-memory.dmp
memory/4904-18-0x0000000074440000-0x0000000074BF0000-memory.dmp
memory/4904-19-0x0000000006170000-0x00000000061C0000-memory.dmp
memory/4904-20-0x0000000006390000-0x0000000006552000-memory.dmp