Analysis
- max time kernel
90s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
18/10/2022, 11:34
Static task
static1
Behavioral task
behavioral1
Sample
3b5c2c609ca0579dc6930d13e2038949.exe
Resource
win7-20220812-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
3b5c2c609ca0579dc6930d13e2038949.exe
Resource
win10v2004-20220901-en
10 signatures
150 seconds
General
- Target 3b5c2c609ca0579dc6930d13e2038949.exe
- Size 572KB
- Sample221018-npfbqsffc2
- SHA256 cf633ec437e48b72f1bbf05a6f21ace7b94686afa55a6c473ff72ef6d4dc1bc7
- MD5 3b5c2c609ca0579dc6930d13e2038949
- SHA1 71863bf0cb09fa643eee1f374fb644c79d95a5ad
- SHA512 dca208e0f7bc7e068511a30ebe05d76d7f8507e4ce23a5900d1faeb2422b60ebf183a28403cb71739c84b28e80b2ddbd594303300a184c5dd7cca261d3761bdc
- SSDEEP 12288:wqHZZmb9ec3PlF/THA5OXN2GgCt4vUMFHb7BGgUNbM2wqxq5ouW/mjWt:wqHZZmb9ecfzLT9BgCt48ob7WS
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
host12.registrar-servers.com
-
Port
587
-
Username
-
Password
project20 22blessing
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 30 api.ipify.org 31 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1528 set thread context of 4048 1528 3b5c2c609ca0579dc6930d13e2038949.exe 91 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4048 RegSvcs.exe 4048 RegSvcs.exe 4048 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4048 RegSvcs.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1528 3b5c2c609ca0579dc6930d13e2038949.exe 1528 3b5c2c609ca0579dc6930d13e2038949.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1528 wrote to memory of 4048 1528 3b5c2c609ca0579dc6930d13e2038949.exe 91 PID 1528 wrote to memory of 4048 1528 3b5c2c609ca0579dc6930d13e2038949.exe 91 PID 1528 wrote to memory of 4048 1528 3b5c2c609ca0579dc6930d13e2038949.exe 91 PID 1528 wrote to memory of 4048 1528 3b5c2c609ca0579dc6930d13e2038949.exe 91 PID 1528 wrote to memory of 4048 1528 3b5c2c609ca0579dc6930d13e2038949.exe 91 PID 1528 wrote to memory of 4048 1528 3b5c2c609ca0579dc6930d13e2038949.exe 91 PID 1528 wrote to memory of 4048 1528 3b5c2c609ca0579dc6930d13e2038949.exe 91 PID 1528 wrote to memory of 4048 1528 3b5c2c609ca0579dc6930d13e2038949.exe 91 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\3b5c2c609ca0579dc6930d13e2038949.exe"C:\Users\Admin\AppData\Local\Temp\3b5c2c609ca0579dc6930d13e2038949.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4048
-