Analysis
- max time kernel
135s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
07/02/2024, 15:42
General
- Target SecuriteInfo.com.Win32.PWSX-gen.2245.21332.exe
- Size 644KB
- Sample240207-s5b2gaaca9
- SHA256 460b2b74ef23d427bef4a5406b8b2cc09b4b1efa178cd0f32b6ac105253f237a
Malware Config
Extracted
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
mtr83474
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
mtr83474
-
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.
- Adds Run key to start application 2 TTPs 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.
- 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 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.2245.21332.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.2245.21332.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\Roaming\TPwjlZLFG.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TPwjlZLFG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7A8F.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.2245.21332.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.2245.21332.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
SecuriteInfo.com.Win32.PWSX-gen.2245.21332.exe.log
__PSScriptPolicyTest_musq4swz.iel.ps1
tmp7A8F.tmp
memory/3096-29-0x0000000005D50000-0x0000000005DB6000-memory.dmp
memory/3096-58-0x0000000007D70000-0x00000000083EA000-memory.dmp
memory/3096-70-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/3096-67-0x0000000007A50000-0x0000000007A58000-memory.dmp
memory/3096-66-0x0000000007A70000-0x0000000007A8A000-memory.dmp
memory/3096-65-0x0000000007970000-0x0000000007984000-memory.dmp
memory/3096-40-0x0000000006400000-0x000000000641E000-memory.dmp
memory/3096-62-0x0000000007930000-0x0000000007941000-memory.dmp
memory/3096-15-0x0000000002AD0000-0x0000000002B06000-memory.dmp
memory/3096-61-0x00000000079B0000-0x0000000007A46000-memory.dmp
memory/3096-17-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/3096-18-0x00000000056B0000-0x0000000005CD8000-memory.dmp
memory/3096-19-0x0000000002C60000-0x0000000002C70000-memory.dmp
memory/3096-20-0x0000000002C60000-0x0000000002C70000-memory.dmp
memory/3096-60-0x00000000077A0000-0x00000000077AA000-memory.dmp
memory/3096-39-0x0000000006030000-0x0000000006384000-memory.dmp
memory/3096-59-0x0000000007730000-0x000000000774A000-memory.dmp
memory/3096-44-0x0000000070820000-0x000000007086C000-memory.dmp
memory/3096-27-0x0000000005530000-0x0000000005552000-memory.dmp
memory/3096-55-0x0000000002C60000-0x0000000002C70000-memory.dmp
memory/3096-56-0x0000000002C60000-0x0000000002C70000-memory.dmp
memory/3096-57-0x00000000075F0000-0x0000000007693000-memory.dmp
memory/3096-54-0x0000000006A10000-0x0000000006A2E000-memory.dmp
memory/3096-43-0x00000000069D0000-0x0000000006A02000-memory.dmp
memory/3096-63-0x0000000007960000-0x000000000796E000-memory.dmp
memory/3096-41-0x0000000006450000-0x000000000649C000-memory.dmp
memory/3096-42-0x000000007FC30000-0x000000007FC40000-memory.dmp
memory/3864-21-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3864-73-0x0000000005520000-0x0000000005530000-memory.dmp
memory/3864-72-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/3864-28-0x0000000005520000-0x0000000005530000-memory.dmp
memory/3864-26-0x00000000054B0000-0x0000000005516000-memory.dmp
memory/3864-25-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/3864-71-0x0000000006A60000-0x0000000006AB0000-memory.dmp
memory/4776-24-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/4776-1-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/4776-9-0x0000000005040000-0x000000000504E000-memory.dmp
memory/4776-10-0x0000000006650000-0x00000000066D4000-memory.dmp
memory/4776-3-0x0000000002690000-0x0000000002722000-memory.dmp
memory/4776-8-0x0000000005030000-0x000000000503A000-memory.dmp
memory/4776-7-0x0000000004BD0000-0x0000000004BE4000-memory.dmp
memory/4776-5-0x00000000025F0000-0x00000000025FA000-memory.dmp
memory/4776-6-0x0000000004C80000-0x0000000004D1C000-memory.dmp
memory/4776-2-0x0000000005080000-0x0000000005624000-memory.dmp
memory/4776-0-0x0000000000010000-0x00000000000B8000-memory.dmp
memory/4776-4-0x0000000002560000-0x0000000002570000-memory.dmp