Analysis
- max time kernel
102s - max time network
112s - platform
windows10_x64 - resource
win10v20210410 - submitted
15/06/2021, 11:46
General
- Target PaymentCopy2021_pdf.exe
- Size 187KB
- Sample210615-wepsbs95ca
- SHA256 109bd7aa6730a6b04f730b3fcf4f19b9ea9d9e2cb465315dabc2c6f3519ba5f6
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
Credentials
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
lil123456789
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Loads dropped DLL 2 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PaymentCopy2021_pdf.exe"C:\Users\Admin\AppData\Local\Temp\PaymentCopy2021_pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\PaymentCopy2021_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/4012-117-0x00000000003C0000-0x00000000003E4000-memory.dmp
memory/4012-119-0x0000000005110000-0x0000000005111000-memory.dmp
memory/4012-120-0x0000000004B50000-0x0000000004B51000-memory.dmp
memory/4012-121-0x0000000004C10000-0x000000000510E000-memory.dmp
memory/4012-122-0x0000000005C60000-0x0000000005C61000-memory.dmp
memory/4012-123-0x0000000005B30000-0x0000000005B31000-memory.dmp
memory/4012-124-0x0000000005AD0000-0x0000000005AD1000-memory.dmp