Analysis
- max time kernel
139s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
02/09/2022, 04:35
General
- Target SecuriteInfo.com.Variant.Lazy.238858.22427.5090.exe
- Size 121KB
- Sample220902-e7qqraaeb6
- SHA256 8a8deaef9bd906322b81d15ff5b81e19928fea178f3e8de6800fc6852e41845f
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.onogost.com
-
Port
21
-
Username
-
Password
boygirl123456
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.onogost.com/
-
Port
21
-
Username
-
Password
boygirl123456
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 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.238858.22427.5090.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.238858.22427.5090.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2040-132-0x0000000000CE0000-0x0000000000D04000-memory.dmp
memory/2040-133-0x00000000065B0000-0x00000000065D2000-memory.dmp
memory/2312-135-0x0000000002D80000-0x0000000002DB6000-memory.dmp
memory/2312-136-0x00000000054B0000-0x0000000005AD8000-memory.dmp
memory/2312-137-0x0000000005B50000-0x0000000005BB6000-memory.dmp
memory/2312-138-0x0000000005CF0000-0x0000000005D56000-memory.dmp
memory/2312-139-0x0000000006340000-0x000000000635E000-memory.dmp
memory/2312-140-0x0000000007980000-0x0000000007FFA000-memory.dmp
memory/2312-141-0x0000000006840000-0x000000000685A000-memory.dmp
memory/3620-143-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3620-144-0x00000000052A0000-0x0000000005844000-memory.dmp
memory/3620-145-0x0000000004D90000-0x0000000004E2C000-memory.dmp
memory/3620-146-0x0000000006130000-0x0000000006180000-memory.dmp
memory/3620-147-0x0000000005F50000-0x0000000005FE2000-memory.dmp
memory/3620-148-0x0000000005F40000-0x0000000005F4A000-memory.dmp