Analysis
- max time kernel
52s - max time network
101s - platform
windows10_x64 - resource
win10v20201028 - submitted
16/12/2020, 13:35
General
- Target SecuriteInfo.com.Generic.mg.a1a9074fb991b4cf.14053.exe
- Size 1.1MB
- Sample201216-y8ex28s33j
- SHA256 dcc0540fe2bce6179ad316123fa95dbb338e74063f10197fcf5b61ddfafdafcd
Score
10/10
Malware Config
Signatures
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Loads dropped DLL 2 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.
- Accesses 2FA software files, possible credential harvesting 2 TTPs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- JavaScript code in executable 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Kills process with taskkill 1 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.a1a9074fb991b4cf.14053.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.a1a9074fb991b4cf.14053.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im SecuriteInfo.com.Generic.mg.a1a9074fb991b4cf.14053.exe /f & erase C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.a1a9074fb991b4cf.14053.exe & exit2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\taskkill.exetaskkill /im SecuriteInfo.com.Generic.mg.a1a9074fb991b4cf.14053.exe /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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