Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
20/06/2024, 01:22
General
- Target 7b22a626e9532c63ef451eab984601c0abf4248ff689624c3900581dbf6fd292.exe
- Size 683KB
- Sample240620-brfdas1cke
- SHA256 7b22a626e9532c63ef451eab984601c0abf4248ff689624c3900581dbf6fd292
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yubacuba.online
-
Port
587
-
Username
-
Password
vynKZC)6
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables packed with SmartAssembly 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 11 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\7b22a626e9532c63ef451eab984601c0abf4248ff689624c3900581dbf6fd292.exe"C:\Users\Admin\AppData\Local\Temp\7b22a626e9532c63ef451eab984601c0abf4248ff689624c3900581dbf6fd292.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AoeeYmIFCal.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AoeeYmIFCal" /XML "C:\Users\Admin\AppData\Local\Temp\tmp93F3.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_2ukgigtl.pmg.ps1
tmp93F3.tmp
memory/1344-69-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/1344-23-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1344-39-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/1344-40-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/1344-68-0x0000000006660000-0x00000000066B0000-memory.dmp
memory/2656-5-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/2656-26-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/2656-9-0x0000000005E40000-0x0000000005EC2000-memory.dmp
memory/2656-10-0x00000000084F0000-0x000000000858C000-memory.dmp
memory/2656-16-0x000000007465E000-0x000000007465F000-memory.dmp
memory/2656-7-0x0000000005150000-0x0000000005158000-memory.dmp
memory/2656-6-0x0000000004BA0000-0x0000000004BB2000-memory.dmp
memory/2656-8-0x0000000005160000-0x000000000516C000-memory.dmp
memory/2656-0-0x000000007465E000-0x000000007465F000-memory.dmp
memory/2656-4-0x0000000004AF0000-0x0000000004AFA000-memory.dmp
memory/2656-3-0x0000000004BC0000-0x0000000004C52000-memory.dmp
memory/2656-2-0x0000000005170000-0x0000000005714000-memory.dmp
memory/2656-1-0x0000000000040000-0x00000000000F2000-memory.dmp
memory/2656-29-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/2888-28-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/2888-56-0x0000000007F70000-0x00000000085EA000-memory.dmp
memory/2888-24-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/2888-20-0x0000000005650000-0x0000000005672000-memory.dmp
memory/2888-21-0x0000000005D50000-0x0000000005DB6000-memory.dmp
memory/2888-22-0x0000000005EF0000-0x0000000005F56000-memory.dmp
memory/2888-19-0x00000000056B0000-0x0000000005CD8000-memory.dmp
memory/2888-41-0x00000000065E0000-0x00000000065FE000-memory.dmp
memory/2888-42-0x0000000006610000-0x000000000665C000-memory.dmp
memory/2888-43-0x00000000075B0000-0x00000000075E2000-memory.dmp
memory/2888-54-0x0000000006BB0000-0x0000000006BCE000-memory.dmp
memory/2888-55-0x00000000077F0000-0x0000000007893000-memory.dmp
memory/2888-44-0x0000000070CF0000-0x0000000070D3C000-memory.dmp
memory/2888-27-0x0000000006060000-0x00000000063B4000-memory.dmp
memory/2888-57-0x0000000007920000-0x000000000793A000-memory.dmp
memory/2888-58-0x0000000007990000-0x000000000799A000-memory.dmp
memory/2888-59-0x0000000007BA0000-0x0000000007C36000-memory.dmp
memory/2888-60-0x0000000007B20000-0x0000000007B31000-memory.dmp
memory/2888-61-0x0000000007B50000-0x0000000007B5E000-memory.dmp
memory/2888-62-0x0000000007B60000-0x0000000007B74000-memory.dmp
memory/2888-63-0x0000000007C60000-0x0000000007C7A000-memory.dmp
memory/2888-64-0x0000000007C40000-0x0000000007C48000-memory.dmp
memory/2888-67-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/2888-17-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/2888-15-0x0000000005030000-0x0000000005066000-memory.dmp