Analysis
- max time kernel
57s - max time network
150s - platform
windows7_x64 - resource
win7v20201028 - submitted
16/11/2020, 09:39
General
- Target SIWFT refTRF08463473 20201611.exe
- Size 412KB
- Sample201116-4apsg8vmsj
- SHA256 5b4e102595fcfeb47ebf79618cd38e451c8543eb264d7faff586370023b3ccc0
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.privateemail.com
-
Port
587
-
Username
-
Password
$MKXG2eN$]mXD
Signatures
- 404 Keylogger
Information stealer and keylogger first seen in 2019.
- 404 Keylogger Main Executable 4 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.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Modifies service 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SIWFT refTRF08463473 20201611.exe"C:\Users\Admin\AppData\Local\Temp\SIWFT refTRF08463473 20201611.exe"1⤵
- Modifies service
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SIWFT refTRF08463473 20201611.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1760-5-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1760-7-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1760-8-0x0000000000400000-0x0000000000422000-memory.dmp
memory/1760-9-0x00000000745B0000-0x0000000074C9E000-memory.dmp
memory/1924-0-0x00000000745B0000-0x0000000074C9E000-memory.dmp
memory/1924-1-0x0000000001120000-0x0000000001121000-memory.dmp
memory/1924-3-0x0000000000540000-0x0000000000554000-memory.dmp
memory/1924-4-0x00000000052A0000-0x00000000052E8000-memory.dmp