Analysis
- max time kernel
114s - max time network
124s - platform
windows10_x64 - resource
win10v20210408 - submitted
30/08/2021, 16:52
General
- Target RQF #100028153.exe
- Size 255KB
- Sample210830-vsf5x2k26a
- SHA256 ae37f44dfeb8e4ccee9388c6dd3b3675270af7e35cc4e2fae2193cefad209820
Malware Config
Extracted
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
werv(WE9
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
werv(WE9
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- 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 3 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\RQF #100028153.exe"C:\Users\Admin\AppData\Local\Temp\RQF #100028153.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RQF #100028153.exe"C:\Users\Admin\AppData\Local\Temp\RQF #100028153.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/568-118-0x0000000004E70000-0x0000000004EAA000-memory.dmp
memory/568-117-0x0000000004F10000-0x0000000004F11000-memory.dmp
memory/568-114-0x00000000005F0000-0x00000000005F1000-memory.dmp
memory/568-119-0x0000000005050000-0x0000000005051000-memory.dmp
memory/568-120-0x0000000004EB0000-0x0000000004EBF000-memory.dmp
memory/568-121-0x0000000004E70000-0x000000000536E000-memory.dmp
memory/568-116-0x0000000005370000-0x0000000005371000-memory.dmp
memory/2996-122-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2996-129-0x0000000000E10000-0x0000000000E11000-memory.dmp
memory/2996-130-0x00000000061A0000-0x00000000061A1000-memory.dmp
memory/2996-132-0x0000000006430000-0x0000000006431000-memory.dmp