Analysis

  • max time kernel
    149s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/08/2024, 09:10

General

  • Target
    PO-HO3RFQ2024.exe
  • Size 758KB
  • Sample240809-k5brpsyfnj
  • SHA256 f7cdea5cbabbed3fe3e137d50076ba977d6cc21490b350784bb4628a9914da40
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

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.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-HO3RFQ2024.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-HO3RFQ2024.exe"
    1⤵
    • 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
    PID:900
    • 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\PO-HO3RFQ2024.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2872
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PNcZQkqfP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:436
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PNcZQkqfP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAAE6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1372
    • C:\Users\Admin\AppData\Local\Temp\PO-HO3RFQ2024.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-HO3RFQ2024.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4260

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 19aae98257178ceb47e485f3cfcf5cb94d296acc190f168a003600be4fecd6f3
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_wbhpwcqt.skd.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wbhpwcqt.skd.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpAAE6.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpAAE6.tmp
        • Size 1KB
        • SHA256 73b41b71d831f8019046ab88c81a5f25df483cb382e8c593902964fba2980630
        • MD5 SHA1 SHA512

        memory/436-78-0x0000000007440000-0x0000000007454000-memory.dmp

        memory/436-79-0x0000000007540000-0x000000000755A000-memory.dmp

        memory/436-80-0x0000000007520000-0x0000000007528000-memory.dmp

        memory/436-77-0x0000000007430000-0x000000000743E000-memory.dmp

        memory/436-76-0x0000000007400000-0x0000000007411000-memory.dmp

        memory/436-72-0x0000000007840000-0x0000000007EBA000-memory.dmp

        memory/436-73-0x0000000007200000-0x000000000721A000-memory.dmp

        memory/436-50-0x00000000707F0000-0x000000007083C000-memory.dmp

        memory/436-71-0x00000000070D0000-0x0000000007173000-memory.dmp

        memory/436-86-0x00000000746C0000-0x0000000074E70000-memory.dmp

        memory/436-22-0x00000000746C0000-0x0000000074E70000-memory.dmp

        memory/900-11-0x0000000005A10000-0x0000000005A82000-memory.dmp

        memory/900-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

        memory/900-1-0x0000000000810000-0x00000000008D4000-memory.dmp

        memory/900-2-0x0000000002DD0000-0x0000000002E5E000-memory.dmp

        memory/900-3-0x0000000009CE0000-0x000000000A284000-memory.dmp

        memory/900-4-0x00000000053B0000-0x0000000005442000-memory.dmp

        memory/900-5-0x00000000051D0000-0x00000000051DA000-memory.dmp

        memory/900-28-0x00000000746C0000-0x0000000074E70000-memory.dmp

        memory/900-7-0x0000000005540000-0x00000000055DC000-memory.dmp

        memory/900-6-0x00000000746C0000-0x0000000074E70000-memory.dmp

        memory/900-8-0x0000000005230000-0x000000000524A000-memory.dmp

        memory/900-9-0x00000000055E0000-0x00000000055EE000-memory.dmp

        memory/900-10-0x00000000055F0000-0x0000000005606000-memory.dmp

        memory/2872-17-0x00000000052E0000-0x0000000005908000-memory.dmp

        memory/2872-24-0x00000000051F0000-0x0000000005212000-memory.dmp

        memory/2872-16-0x00000000028A0000-0x00000000028D6000-memory.dmp

        memory/2872-66-0x0000000007120000-0x000000000713E000-memory.dmp

        memory/2872-49-0x0000000007160000-0x0000000007192000-memory.dmp

        memory/2872-48-0x00000000061E0000-0x000000000622C000-memory.dmp

        memory/2872-74-0x0000000007550000-0x000000000755A000-memory.dmp

        memory/2872-75-0x0000000007760000-0x00000000077F6000-memory.dmp

        memory/2872-47-0x00000000061B0000-0x00000000061CE000-memory.dmp

        memory/2872-51-0x00000000707F0000-0x000000007083C000-memory.dmp

        memory/2872-20-0x00000000746C0000-0x0000000074E70000-memory.dmp

        memory/2872-25-0x0000000005AC0000-0x0000000005B26000-memory.dmp

        memory/2872-27-0x0000000005BA0000-0x0000000005EF4000-memory.dmp

        memory/2872-26-0x0000000005B30000-0x0000000005B96000-memory.dmp

        memory/2872-18-0x00000000746C0000-0x0000000074E70000-memory.dmp

        memory/2872-87-0x00000000746C0000-0x0000000074E70000-memory.dmp

        memory/4260-88-0x0000000006590000-0x00000000065E0000-memory.dmp

        memory/4260-21-0x0000000000400000-0x0000000000430000-memory.dmp