Analysis
- max time kernel
119s - max time network
152s - platform
windows7_x64 - resource
win7-20230712-en - resource tags
- submitted
03/08/2023, 18:25
General
- Target 555af21b8831e78e3b1313dda0d2924af9507c4e701b6b42d0777d28a9405134exe_JC.exe
- Size 751KB
- Sample230803-w2n4eafe54
- SHA256 555af21b8831e78e3b1313dda0d2924af9507c4e701b6b42d0777d28a9405134
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.keresa.com.my
-
Port
587
-
Username
-
Password
Keresa123+-
-
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.
- 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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\555af21b8831e78e3b1313dda0d2924af9507c4e701b6b42d0777d28a9405134exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\555af21b8831e78e3b1313dda0d2924af9507c4e701b6b42d0777d28a9405134exe_JC.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3068-54-0x0000000000B60000-0x0000000000C22000-memory.dmp
memory/3068-55-0x0000000074060000-0x000000007474E000-memory.dmp
memory/3068-56-0x0000000000370000-0x00000000003B0000-memory.dmp
memory/3068-57-0x00000000003C0000-0x00000000003D2000-memory.dmp
memory/3068-58-0x0000000074060000-0x000000007474E000-memory.dmp
memory/3068-59-0x0000000000370000-0x00000000003B0000-memory.dmp
memory/3068-60-0x00000000003F0000-0x00000000003F8000-memory.dmp
memory/3068-61-0x0000000000500000-0x000000000050A000-memory.dmp
memory/3068-62-0x0000000004C70000-0x0000000004CD0000-memory.dmp
memory/3068-63-0x00000000005D0000-0x00000000005F6000-memory.dmp