Analysis
- max time kernel
121s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
13/09/2024, 19:08
General
- Target FSCDL2407009-Debit Note.scr
- Size 669KB
- Sample240913-xth3vstbrp
- SHA256 1736cd52fdc1deacedeac1de86d461ceb01c476e307520762b74b67ca8fa4b4b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.iaa-airferight.com
-
Port
587
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Username
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Password
BIGNAIRA2024
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\FSCDL2407009-Debit Note.scr"C:\Users\Admin\AppData\Local\Temp\FSCDL2407009-Debit Note.scr" /S1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\Local\Temp\FSCDL2407009-Debit Note.scr"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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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\LpiosEmwQ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LpiosEmwQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE1B5.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ua02rdnr.noy.ps1
tmpE1B5.tmp
memory/320-89-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/320-64-0x0000000074C90000-0x0000000074CDC000-memory.dmp
memory/320-21-0x00000000057D0000-0x0000000005836000-memory.dmp
memory/320-47-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/320-45-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/320-20-0x0000000005730000-0x0000000005752000-memory.dmp
memory/320-22-0x0000000005840000-0x00000000058A6000-memory.dmp
memory/320-15-0x00000000025C0000-0x00000000025F6000-memory.dmp
memory/320-16-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/1896-24-0x0000000005690000-0x00000000059E4000-memory.dmp
memory/1896-78-0x0000000007220000-0x0000000007231000-memory.dmp
memory/1896-19-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/1896-17-0x0000000004E00000-0x0000000005428000-memory.dmp
memory/1896-88-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/1896-82-0x0000000007340000-0x0000000007348000-memory.dmp
memory/1896-25-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/1896-81-0x0000000007360000-0x000000000737A000-memory.dmp
memory/1896-80-0x0000000007260000-0x0000000007274000-memory.dmp
memory/1896-79-0x0000000007250000-0x000000000725E000-memory.dmp
memory/1896-18-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/1896-77-0x00000000072A0000-0x0000000007336000-memory.dmp
memory/1896-76-0x00000000070A0000-0x00000000070AA000-memory.dmp
memory/1896-75-0x0000000007020000-0x000000000703A000-memory.dmp
memory/1896-50-0x0000000005D10000-0x0000000005D5C000-memory.dmp
memory/1896-49-0x0000000005CE0000-0x0000000005CFE000-memory.dmp
memory/1896-51-0x0000000006C80000-0x0000000006CB2000-memory.dmp
memory/1896-52-0x0000000074C90000-0x0000000074CDC000-memory.dmp
memory/1896-62-0x0000000006C60000-0x0000000006C7E000-memory.dmp
memory/1896-63-0x0000000006CD0000-0x0000000006D73000-memory.dmp
memory/1896-74-0x0000000007670000-0x0000000007CEA000-memory.dmp
memory/3436-8-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/3436-10-0x0000000009600000-0x000000000969C000-memory.dmp
memory/3436-6-0x0000000005C00000-0x0000000005C10000-memory.dmp
memory/3436-0-0x000000007440E000-0x000000007440F000-memory.dmp
memory/3436-7-0x000000007440E000-0x000000007440F000-memory.dmp
memory/3436-48-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/3436-9-0x0000000006FD0000-0x0000000007052000-memory.dmp
memory/3436-5-0x0000000005B30000-0x0000000005B3A000-memory.dmp
memory/3436-4-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/3436-3-0x0000000005970000-0x0000000005A02000-memory.dmp
memory/3436-2-0x0000000005F20000-0x00000000064C4000-memory.dmp
memory/3436-1-0x0000000000F10000-0x0000000000FBC000-memory.dmp
memory/3940-44-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3940-90-0x0000000006940000-0x0000000006990000-memory.dmp