Analysis
- max time kernel
142s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
06/02/2024, 19:30
General
- Target SecuriteInfo.com.Win32.PWSX-gen.3245.1850.exe
- Size 631KB
- Sample240206-x7st8afhal
- SHA256 fbe9af0d5f4eec35c73a7362af2c095693882f614e7fa42b9acdb0476bb5fb20
Malware Config
Extracted
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
)Ivlmuj5
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
)Ivlmuj5
-
Email to
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.
- 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 1 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).
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.3245.1850.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.3245.1850.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.3245.1850.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ktmKiTGIwqk.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ktmKiTGIwqk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCB6.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.3245.1850.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.3245.1850.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
StartupProfileData-NonInteractive
__PSScriptPolicyTest_pfautymo.edg.ps1
tmpCCB6.tmp
memory/1516-58-0x0000000071380000-0x00000000713CC000-memory.dmp
memory/1516-59-0x000000007EFB0000-0x000000007EFC0000-memory.dmp
memory/1516-90-0x00000000070B0000-0x00000000070B8000-memory.dmp
memory/1516-89-0x00000000070D0000-0x00000000070EA000-memory.dmp
memory/1516-24-0x0000000004A70000-0x0000000004A92000-memory.dmp
memory/1516-84-0x0000000006FD0000-0x0000000007066000-memory.dmp
memory/1516-83-0x0000000006DE0000-0x0000000006DEA000-memory.dmp
memory/1516-82-0x0000000006D70000-0x0000000006D8A000-memory.dmp
memory/1516-81-0x00000000073B0000-0x0000000007A2A000-memory.dmp
memory/1516-23-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/1516-70-0x0000000006000000-0x000000000601E000-memory.dmp
memory/1516-95-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/1516-54-0x0000000002250000-0x0000000002260000-memory.dmp
memory/1516-52-0x0000000005A60000-0x0000000005A7E000-memory.dmp
memory/1516-21-0x0000000002250000-0x0000000002260000-memory.dmp
memory/1516-22-0x0000000002250000-0x0000000002260000-memory.dmp
memory/2264-97-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/2264-50-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/2264-86-0x0000000006690000-0x00000000066E0000-memory.dmp
memory/2264-98-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/2264-43-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3152-17-0x00000000059D0000-0x0000000005FF8000-memory.dmp
memory/3152-19-0x0000000005390000-0x00000000053A0000-memory.dmp
memory/3152-27-0x0000000006000000-0x0000000006066000-memory.dmp
memory/3152-96-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/3152-25-0x0000000005800000-0x0000000005866000-memory.dmp
memory/3152-88-0x0000000007D50000-0x0000000007D64000-memory.dmp
memory/3152-20-0x0000000005390000-0x00000000053A0000-memory.dmp
memory/3152-53-0x0000000006750000-0x000000000679C000-memory.dmp
memory/3152-55-0x0000000005390000-0x00000000053A0000-memory.dmp
memory/3152-85-0x0000000007C70000-0x0000000007C81000-memory.dmp
memory/3152-56-0x000000007EF20000-0x000000007EF30000-memory.dmp
memory/3152-57-0x0000000006D10000-0x0000000006D42000-memory.dmp
memory/3152-87-0x0000000007CA0000-0x0000000007CAE000-memory.dmp
memory/3152-18-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/3152-69-0x0000000071380000-0x00000000713CC000-memory.dmp
memory/3152-47-0x00000000061F0000-0x0000000006544000-memory.dmp
memory/3152-80-0x0000000007910000-0x00000000079B3000-memory.dmp
memory/3152-15-0x0000000002DE0000-0x0000000002E16000-memory.dmp
memory/3416-16-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/3416-9-0x0000000007950000-0x000000000795E000-memory.dmp
memory/3416-8-0x0000000007940000-0x000000000794A000-memory.dmp
memory/3416-10-0x00000000079A0000-0x0000000007A24000-memory.dmp
memory/3416-7-0x0000000007920000-0x0000000007934000-memory.dmp
memory/3416-0-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/3416-51-0x0000000074CB0000-0x0000000075460000-memory.dmp
memory/3416-6-0x0000000005180000-0x000000000521C000-memory.dmp
memory/3416-5-0x0000000004F60000-0x0000000004F6A000-memory.dmp
memory/3416-4-0x0000000005080000-0x0000000005090000-memory.dmp
memory/3416-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp
memory/3416-48-0x0000000005080000-0x0000000005090000-memory.dmp
memory/3416-2-0x00000000053A0000-0x0000000005944000-memory.dmp
memory/3416-1-0x0000000000460000-0x0000000000502000-memory.dmp