Analysis
- max time kernel
136s - max time network
136s - platform
windows10_x64 - resource
win10v20210408 - submitted
21/04/2021, 08:40
General
- Target Sales_Receipt_4423_052720.exe
- Size 1.0MB
- Sample210421-1phmwmcdca
- SHA256 9f848a2f83829e60600a2cec544e00c675b6c1952ffe0fcb088bec337673ee61
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
Cartoonewa007*(((******(
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 3 IoCs
- Drops startup file 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.
- 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Sales_Receipt_4423_052720.exe"C:\Users\Admin\AppData\Local\Temp\Sales_Receipt_4423_052720.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qJNtDyZq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE744.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Sales_Receipt_4423_052720.exe"C:\Users\Admin\AppData\Local\Temp\Sales_Receipt_4423_052720.exe"2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/660-123-0x0000000001350000-0x00000000013C1000-memory.dmp
memory/660-124-0x00000000086C0000-0x0000000008729000-memory.dmp
memory/660-119-0x0000000005410000-0x000000000590E000-memory.dmp
memory/660-120-0x0000000005410000-0x0000000005411000-memory.dmp
memory/660-121-0x0000000005610000-0x0000000005611000-memory.dmp
memory/660-122-0x00000000054A0000-0x00000000054A9000-memory.dmp
memory/660-114-0x0000000000A50000-0x0000000000A51000-memory.dmp
memory/660-118-0x00000000054B0000-0x00000000054B1000-memory.dmp
memory/660-116-0x0000000005330000-0x0000000005331000-memory.dmp
memory/660-117-0x0000000005910000-0x0000000005911000-memory.dmp
memory/3164-127-0x0000000000400000-0x000000000046A000-memory.dmp
memory/3164-134-0x0000000005550000-0x0000000005A4E000-memory.dmp
memory/3164-135-0x0000000006860000-0x0000000006861000-memory.dmp