Analysis
- max time kernel
47s - max time network
145s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
08/05/2023, 21:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
70913520.exe
Resource
win7-20230220-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
70913520.exe
Resource
win10v2004-20230220-en
13 signatures
150 seconds
General
- Target 70913520.exe
- Size 1016KB
- Sample230508-1dletscg97
- SHA256 d67557fd37174016e188f4e3932341f74c0a79ade0a34fbffc190e91b9e5a0e4
- MD5 a1908cdb9030b9c90424a139981a5ccc
- SHA1 487090616098379bc4ce42130891e15bedcd748a
- SHA512 fa0835bcf4c3c0eb86ffcc0672bd3290a564816ffa9fb93a9bb6d344c06aa60a78300e3552e79f8828aa29a5e70e405d3ce5b54e74224b18db481b032a7f0a0f
- SSDEEP 24576:fPf9F8/brcpepwRDNrZkzU1qvzZToQYJ:wXcplLb1Yz/YJ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
-
Username
-
Password
iebtzpacgzyullvo
-
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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\YLcqPJe = "C:\\Users\\Admin\\AppData\\Roaming\\YLcqPJe\\YLcqPJe.exe" 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 4 api.ipify.org 5 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2012 set thread context of 860 2012 70913520.exe 30 - 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.
pid Process 468 schtasks.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2012 70913520.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2012 70913520.exe Token: SeDebugPrivilege 860 RegSvcs.exe - Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2012 wrote to memory of 468 2012 70913520.exe 28 PID 2012 wrote to memory of 468 2012 70913520.exe 28 PID 2012 wrote to memory of 468 2012 70913520.exe 28 PID 2012 wrote to memory of 468 2012 70913520.exe 28 PID 2012 wrote to memory of 860 2012 70913520.exe 30 PID 2012 wrote to memory of 860 2012 70913520.exe 30 PID 2012 wrote to memory of 860 2012 70913520.exe 30 PID 2012 wrote to memory of 860 2012 70913520.exe 30 PID 2012 wrote to memory of 860 2012 70913520.exe 30 PID 2012 wrote to memory of 860 2012 70913520.exe 30 PID 2012 wrote to memory of 860 2012 70913520.exe 30 PID 2012 wrote to memory of 860 2012 70913520.exe 30 PID 2012 wrote to memory of 860 2012 70913520.exe 30 PID 2012 wrote to memory of 860 2012 70913520.exe 30 PID 2012 wrote to memory of 860 2012 70913520.exe 30 PID 2012 wrote to memory of 860 2012 70913520.exe 30 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\70913520.exe"C:\Users\Admin\AppData\Local\Temp\70913520.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Tjurncz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7475.tmp"2⤵
- Creates scheduled task(s)
PID:468
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:860
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp7475.tmp
- Size 1KB
- SHA256 59fda1567c2bcceb273e89b444dbb5c79aa18fca1983f3462d1b9935c80aa194
- MD5 621906c7a3c93d23f2469773cdd02721
- SHA1 183289ebc3ba0fed7fe6d192d8f1653537f3b56e
- SHA512 0b7a4e3e931577bfb8b61e10fcb63fadfece11a620ac77c9f4d37ed22aabb7713db32f7c6b0abe7a59022d038d45bb5546b6ce600aee569998713ea2339d4a4d
- MD5 SHA1 SHA512