Analysis
- max time kernel
142s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system - submitted
19/07/2023, 14:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5e756bc5d404f987517b2684e209b219.exe
Resource
win7-20230712-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
5e756bc5d404f987517b2684e209b219.exe
Resource
win10v2004-20230703-en
9 signatures
150 seconds
General
- Target 5e756bc5d404f987517b2684e209b219.exe
- Size 632KB
- Sample230719-razcvahb5w
- SHA256 b554d95e0a2c20bd7d31a238e44cea99f0ced612b7fb2f4cc668f3f86217c011
- MD5 5e756bc5d404f987517b2684e209b219
- SHA1 0544494971e101ac22033748214aed7d353626c7
- SHA512 869f10e9d843feedbdcbd491c4177c738af7f155bc00a661f5488c585b219750d73705f43d99eedf3c645d282f591a4dd0adba15655f6112d272c861046477f5
- SSDEEP 12288:aKmYw+TMPYPfY7CywDvWshV1JFXfkxZ79aiBcADgi5Q:EPYPgJwrzFXfMZ7BcIgi
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.polorstar-th.com
-
Port
587
-
Username
-
Password
blessing12345
-
Email to
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-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 53 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1360 set thread context of 2560 1360 5e756bc5d404f987517b2684e209b219.exe 101 - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1360 5e756bc5d404f987517b2684e209b219.exe 1360 5e756bc5d404f987517b2684e209b219.exe 1360 5e756bc5d404f987517b2684e209b219.exe 1360 5e756bc5d404f987517b2684e209b219.exe 2560 RegSvcs.exe 2560 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1360 5e756bc5d404f987517b2684e209b219.exe Token: SeDebugPrivilege 2560 RegSvcs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1360 wrote to memory of 2780 1360 5e756bc5d404f987517b2684e209b219.exe 100 PID 1360 wrote to memory of 2780 1360 5e756bc5d404f987517b2684e209b219.exe 100 PID 1360 wrote to memory of 2780 1360 5e756bc5d404f987517b2684e209b219.exe 100 PID 1360 wrote to memory of 2560 1360 5e756bc5d404f987517b2684e209b219.exe 101 PID 1360 wrote to memory of 2560 1360 5e756bc5d404f987517b2684e209b219.exe 101 PID 1360 wrote to memory of 2560 1360 5e756bc5d404f987517b2684e209b219.exe 101 PID 1360 wrote to memory of 2560 1360 5e756bc5d404f987517b2684e209b219.exe 101 PID 1360 wrote to memory of 2560 1360 5e756bc5d404f987517b2684e209b219.exe 101 PID 1360 wrote to memory of 2560 1360 5e756bc5d404f987517b2684e209b219.exe 101 PID 1360 wrote to memory of 2560 1360 5e756bc5d404f987517b2684e209b219.exe 101 PID 1360 wrote to memory of 2560 1360 5e756bc5d404f987517b2684e209b219.exe 101 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\5e756bc5d404f987517b2684e209b219.exe"C:\Users\Admin\AppData\Local\Temp\5e756bc5d404f987517b2684e209b219.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:2780
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2560
-