Analysis
- max time kernel
144s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
06/02/2024, 11:27
General
- Target SecuriteInfo.com.Win32.PWSX-gen.12076.29373.exe
- Size 905KB
- Sample240206-nkeveaehd5
- SHA256 dcef69c94d8166b5bd96de0c8b5cc686bc3ec021c7754b43900a50a7913e0a9b
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.12076.29373.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.12076.29373.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.12076.29373.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\hVfYhbrJC.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hVfYhbrJC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5D4E.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.12076.29373.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.12076.29373.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_tyelfice.an5.ps1
tmp5D4E.tmp
memory/1440-83-0x0000000006DB0000-0x0000000006DBA000-memory.dmp
memory/1440-60-0x00000000711F0000-0x000000007123C000-memory.dmp
memory/1440-54-0x0000000004800000-0x0000000004810000-memory.dmp
memory/1440-23-0x0000000004800000-0x0000000004810000-memory.dmp
memory/1440-96-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/1440-53-0x0000000005AD0000-0x0000000005B1C000-memory.dmp
memory/1440-87-0x0000000006F70000-0x0000000006F7E000-memory.dmp
memory/1440-22-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/1440-82-0x0000000006D40000-0x0000000006D5A000-memory.dmp
memory/1440-28-0x00000000049D0000-0x0000000004A36000-memory.dmp
memory/1440-57-0x00000000069F0000-0x0000000006A22000-memory.dmp
memory/1440-56-0x000000007F270000-0x000000007F280000-memory.dmp
memory/1440-43-0x0000000005470000-0x00000000057C4000-memory.dmp
memory/3908-32-0x0000000005060000-0x0000000005070000-memory.dmp
memory/3908-86-0x00000000064F0000-0x0000000006540000-memory.dmp
memory/3908-98-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/3908-99-0x0000000005060000-0x0000000005070000-memory.dmp
memory/3908-25-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3908-29-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/4152-85-0x0000000007A60000-0x0000000007A71000-memory.dmp
memory/4152-80-0x0000000007740000-0x00000000077E3000-memory.dmp
memory/4152-97-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/4152-90-0x0000000007B80000-0x0000000007B88000-memory.dmp
memory/4152-21-0x0000000005740000-0x0000000005D68000-memory.dmp
memory/4152-89-0x0000000007BA0000-0x0000000007BBA000-memory.dmp
memory/4152-20-0x0000000005100000-0x0000000005110000-memory.dmp
memory/4152-88-0x0000000007AA0000-0x0000000007AB4000-memory.dmp
memory/4152-52-0x0000000006550000-0x000000000656E000-memory.dmp
memory/4152-30-0x0000000005D70000-0x0000000005DD6000-memory.dmp
memory/4152-55-0x0000000005100000-0x0000000005110000-memory.dmp
memory/4152-19-0x0000000005100000-0x0000000005110000-memory.dmp
memory/4152-59-0x00000000711F0000-0x000000007123C000-memory.dmp
memory/4152-58-0x000000007F760000-0x000000007F770000-memory.dmp
memory/4152-18-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/4152-17-0x0000000004F70000-0x0000000004FA6000-memory.dmp
memory/4152-78-0x0000000006AB0000-0x0000000006ACE000-memory.dmp
memory/4152-26-0x0000000005550000-0x0000000005572000-memory.dmp
memory/4152-81-0x0000000007EA0000-0x000000000851A000-memory.dmp
memory/4152-84-0x0000000007AE0000-0x0000000007B76000-memory.dmp
memory/4432-3-0x0000000005970000-0x0000000005A02000-memory.dmp
memory/4432-7-0x0000000005AB0000-0x0000000005AC4000-memory.dmp
memory/4432-2-0x0000000005E40000-0x00000000063E4000-memory.dmp
memory/4432-11-0x0000000008A60000-0x0000000008AE4000-memory.dmp
memory/4432-10-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/4432-5-0x0000000005A30000-0x0000000005A3A000-memory.dmp
memory/4432-9-0x0000000005DA0000-0x0000000005DAE000-memory.dmp
memory/4432-0-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/4432-16-0x0000000005950000-0x0000000005960000-memory.dmp
memory/4432-1-0x0000000000EE0000-0x0000000000FC8000-memory.dmp
memory/4432-8-0x0000000005D90000-0x0000000005D9A000-memory.dmp
memory/4432-4-0x0000000005950000-0x0000000005960000-memory.dmp
memory/4432-31-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/4432-6-0x0000000005C60000-0x0000000005CFC000-memory.dmp