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.17533.13867.exe
- Size 905KB
- Sample240206-nkeveaehd4
- SHA256 539fcce4d58770b81cc10d650f7ef810d9e933ec5901cd051f110d574b2c6868
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 10 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.17533.13867.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.17533.13867.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\CvXkNxjmG.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CvXkNxjmG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp459F.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.17533.13867.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.17533.13867.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.17533.13867.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.17533.13867.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_b5k5hkea.otx.ps1
tmp459F.tmp
memory/1128-20-0x0000000002230000-0x0000000002240000-memory.dmp
memory/1128-58-0x0000000007500000-0x0000000007B7A000-memory.dmp
memory/1128-67-0x00000000071D0000-0x00000000071D8000-memory.dmp
memory/1128-66-0x00000000071F0000-0x000000000720A000-memory.dmp
memory/1128-65-0x00000000070F0000-0x0000000007104000-memory.dmp
memory/1128-64-0x00000000070E0000-0x00000000070EE000-memory.dmp
memory/1128-63-0x0000000007090000-0x00000000070A1000-memory.dmp
memory/1128-55-0x00000000060F0000-0x000000000610E000-memory.dmp
memory/1128-21-0x0000000004C80000-0x00000000052A8000-memory.dmp
memory/1128-60-0x0000000006F00000-0x0000000006F0A000-memory.dmp
memory/1128-59-0x0000000006EA0000-0x0000000006EBA000-memory.dmp
memory/1128-17-0x0000000002280000-0x00000000022B6000-memory.dmp
memory/1128-18-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1128-19-0x0000000002230000-0x0000000002240000-memory.dmp
memory/1128-70-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1128-45-0x0000000070BC0000-0x0000000070C0C000-memory.dmp
memory/1128-61-0x0000000007110000-0x00000000071A6000-memory.dmp
memory/1128-44-0x0000000006B90000-0x0000000006BC2000-memory.dmp
memory/1128-25-0x0000000004BD0000-0x0000000004BF2000-memory.dmp
memory/1128-43-0x0000000002230000-0x0000000002240000-memory.dmp
memory/1128-27-0x00000000053B0000-0x0000000005416000-memory.dmp
memory/1128-30-0x0000000005510000-0x0000000005576000-memory.dmp
memory/1128-56-0x0000000006BD0000-0x0000000006C73000-memory.dmp
memory/1128-42-0x0000000006120000-0x000000000616C000-memory.dmp
memory/1128-41-0x0000000005B90000-0x0000000005BAE000-memory.dmp
memory/1128-36-0x0000000005580000-0x00000000058D4000-memory.dmp
memory/3372-72-0x00000000058F0000-0x0000000005900000-memory.dmp
memory/3372-28-0x00000000058F0000-0x0000000005900000-memory.dmp
memory/3372-26-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/3372-71-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/3372-23-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3372-62-0x0000000006F30000-0x0000000006F80000-memory.dmp
memory/4564-16-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/4564-29-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/4564-0-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/4564-11-0x00000000081E0000-0x0000000008264000-memory.dmp
memory/4564-10-0x0000000007E90000-0x0000000007E9E000-memory.dmp
memory/4564-9-0x0000000007E80000-0x0000000007E8A000-memory.dmp
memory/4564-8-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/4564-7-0x0000000005390000-0x00000000053A4000-memory.dmp
memory/4564-6-0x00000000053A0000-0x000000000543C000-memory.dmp
memory/4564-5-0x0000000005100000-0x000000000510A000-memory.dmp
memory/4564-4-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/4564-3-0x0000000005120000-0x00000000051B2000-memory.dmp
memory/4564-2-0x0000000005630000-0x0000000005BD4000-memory.dmp
memory/4564-1-0x0000000000660000-0x0000000000748000-memory.dmp