Analysis
- max time kernel
40s - max time network
46s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
15/06/2024, 01:33
Static task
static1
Behavioral task
behavioral1
Sample
4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe
Resource
win10v2004-20240508-en
General
- Target 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe
- Size 718KB
- Sample240615-bywzmavanf
- SHA256 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f
- MD5 e13e926979aa6516c5375a738b0a4804
- SHA1 6e33be530e03eee43b44a8f7f41cb29bf05b86e1
- SHA512 1991458e0dcdedf429c8b6ec4e97b53d69b9892b6e8eb42f4e275c4a62233a4822ead08c4e565187150230e49ff27497851057607f1ef66f13703c04aa88d543
- SSDEEP 12288:IFY2iNPyCK2xrOokj4OE2lWyxMIwzThqFzXOY2BBqQeASq3NkBNyV7bGbdrlj:t15yC5j2YyTChqFzXt2b9eASC77bGbrj
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot7399601150:AAFy9qkypWKIhKNY_iFY0Z_YXdrOQ4Kz_XE/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 2884 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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.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.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe" 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3108 set thread context of 2012 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 86 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 2012 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 2012 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 2884 powershell.exe 2884 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe Token: SeDebugPrivilege 2012 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe Token: SeDebugPrivilege 2884 powershell.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2012 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3108 wrote to memory of 2884 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 84 PID 3108 wrote to memory of 2884 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 84 PID 3108 wrote to memory of 2884 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 84 PID 3108 wrote to memory of 2012 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 86 PID 3108 wrote to memory of 2012 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 86 PID 3108 wrote to memory of 2012 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 86 PID 3108 wrote to memory of 2012 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 86 PID 3108 wrote to memory of 2012 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 86 PID 3108 wrote to memory of 2012 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 86 PID 3108 wrote to memory of 2012 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 86 PID 3108 wrote to memory of 2012 3108 4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe"C:\Users\Admin\AppData\Local\Temp\4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3108 -
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\4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2884
-
-
C:\Users\Admin\AppData\Local\Temp\4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe"C:\Users\Admin\AppData\Local\Temp\4a00f326c88c3dcf8ed051db219851f12ed37b9a66777f844c0a2331eec73f6f.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2012
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p3fnll2s.0lb.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512