Analysis
- max time kernel
145s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
10/08/2024, 14:27
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe
Resource
win10v2004-20240802-en
General
- Target SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe
- Size 731KB
- Sample240810-rseq6atbmk
- SHA256 f493aa5876e8e14c98f57fc1506b8e310eeaea75e3899b64aa7dfdfe8ac6687e
- MD5 de3b1150beafec005b247fd37536e36e
- SHA1 84369cc8185dd65508f607b33ac6b9abe634121b
- SHA512 199536a42ce66dde33a429250f33ff39da36d7b16b8551fd8557649abceba145f7b487e4c18cd915d1e15bb121ce8f20ded1cc3995d34930426c51f4b00f2b64
- SSDEEP 12288:uKENNkHx0xWV28fWycuDf7t1ScUhqZw5hsqGjhOYhO9F0/bkR:takHxLVlJ/SzG79BhO9E+
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1520 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe - 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 22 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 452 set thread context of 3516 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 95 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 3516 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 1520 powershell.exe 1520 powershell.exe 3516 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe Token: SeDebugPrivilege 3516 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe Token: SeDebugPrivilege 1520 powershell.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 452 wrote to memory of 1520 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 92 PID 452 wrote to memory of 1520 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 92 PID 452 wrote to memory of 1520 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 92 PID 452 wrote to memory of 2172 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 94 PID 452 wrote to memory of 2172 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 94 PID 452 wrote to memory of 2172 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 94 PID 452 wrote to memory of 3516 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 95 PID 452 wrote to memory of 3516 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 95 PID 452 wrote to memory of 3516 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 95 PID 452 wrote to memory of 3516 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 95 PID 452 wrote to memory of 3516 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 95 PID 452 wrote to memory of 3516 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 95 PID 452 wrote to memory of 3516 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 95 PID 452 wrote to memory of 3516 452 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe 95 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:452 -
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.BackDoor.AgentTeslaNET.12.6450.17799.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1520
-
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe"2⤵PID:2172
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.12.6450.17799.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3516
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zlji5zf0.tnz.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512