Analysis
- max time kernel
139s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
18/01/2023, 04:28
General
- Target SecuriteInfo.com.Variant.Lazy.286599.7821.8237.exe
- Size 1.8MB
- Sample230118-e3p9esea41
- SHA256 3d3fe471d5702b4a73c7374dbab85b88fc3c209968c6804440e3322153ad64bd
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 2 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.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.286599.7821.8237.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.286599.7821.8237.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KuNFsHLTlSXsX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.286599.7821.8237.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
SecuriteInfo.com.Variant.Lazy.286599.7821.8237.exe.log
tmp4E.tmp
memory/2372-146-0x00000000096E0000-0x00000000096F2000-memory.dmp
memory/2372-145-0x0000000009260000-0x000000000926A000-memory.dmp
memory/2372-144-0x0000000009280000-0x00000000092A2000-memory.dmp
memory/2372-143-0x0000000007D80000-0x0000000007DE6000-memory.dmp
memory/2372-141-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/3616-132-0x00000000000D0000-0x0000000000298000-memory.dmp
memory/3616-137-0x0000000004D00000-0x0000000004D56000-memory.dmp
memory/3616-136-0x0000000002640000-0x000000000264A000-memory.dmp
memory/3616-135-0x0000000004E40000-0x0000000004ED2000-memory.dmp
memory/3616-134-0x00000000053F0000-0x0000000005994000-memory.dmp
memory/3616-133-0x0000000004DA0000-0x0000000004E3C000-memory.dmp