Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
-
submitted
28-06-2024 01:13
General
-
Target
P.O.20406279090001209.xlxssxlx..exe
-
Size
3.3MB
-
MD5
61491e46356c041c59600ab56b199e27
-
SHA1
b1774f167669b067bfc371a60540f4b411c628b3
-
SHA256
cc2449806f1dc49a487f27ca59ab8d7db268dd48881bbd52aec24dc82820d731
-
SHA512
1709349a4db8e8f660bf51eace7706565a437c2357b132b48eac039daa1b5ca6b2f373f247d2dc210b2c7f152d60d2de72ff6accf9428a2ae481aa04485994f6
-
SSDEEP
12288:Q/LdzY7Z+zPd2rfoezy4IA8vEA+/RyeI4LymjSmKjiqsgWZZ7kh:QzdE9DxSvT+/Rgq0E57Q
Malware Config
Extracted
Protocol: smtp- Host:
mail.oserfech.eu - Port:
587 - Username:
[email protected] - Password:
Epicoffice@2024
Extracted
agenttesla
Protocol: smtp- Host:
mail.oserfech.eu - Port:
587 - Username:
[email protected] - Password:
Epicoffice@2024 - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
UAC bypass 3 TTPs 1 IoCs
-
Windows security bypass 2 TTPs 2 IoCs
-
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
-
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.
-
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
-
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
Windows security modification 2 TTPs 3 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
-
Checks whether UAC is enabled 1 TTPs 2 IoCs
-
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
-
Suspicious use of SetThreadContext 1 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
-
Suspicious use of AdjustPrivilegeToken 2 IoCs
-
Suspicious use of SetWindowsHookEx 1 IoCs
-
Suspicious use of WriteProcessMemory 13 IoCs
-
System policy modification 1 TTPs 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\P.O.20406279090001209.xlxssxlx..exe"C:\Users\Admin\AppData\Local\Temp\P.O.20406279090001209.xlxssxlx..exe"1⤵
- UAC bypass
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\P.O.20406279090001209.xlxssxlx..exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
10.8MB
-
Filesize
64KB
-
Filesize
136KB
-
Filesize
10.8MB
-
Filesize
64KB
-
Filesize
4KB
-
Filesize
624KB
-
Filesize
4KB
-
Filesize
40KB
-
Filesize
584KB
-
Filesize
272KB
-
Filesize
5.6MB
-
Filesize
408KB
-
Filesize
320KB
-
Filesize
10.8MB
-
Filesize
8KB
-
Filesize
600KB
-
Filesize
10.8MB
-
Filesize
32KB