Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 12:13

General

  • Target
    Documents for shipping.exe
  • Size 645KB
  • Sample240417-pdqtrsec75
  • SHA256 d0539e8f11cef371e3eaea5818978eb76f401db9a17c388a9459c41b96ea20b2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Documents for shipping.exe
    "C:\Users\Admin\AppData\Local\Temp\Documents for shipping.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1120
    • 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\Documents for shipping.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3216
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vzhXlEdFS.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2252
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vzhXlEdFS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE530.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1104
    • C:\Users\Admin\AppData\Local\Temp\Documents for shipping.exe
      "C:\Users\Admin\AppData\Local\Temp\Documents for shipping.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1320

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

        __PSScriptPolicyTest_axdonikk.aie.ps1

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

        tmpE530.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpE530.tmp
        • Size 1KB
        • SHA256 c00b923079498a6c8e715b27d1ce526ed9e6e0e9016f76514eb680bf90bfd6ed
        • MD5 SHA1 SHA512

        memory/1120-8-0x00000000052E0000-0x00000000052EE000-memory.dmp

        memory/1120-10-0x0000000009F00000-0x0000000009F82000-memory.dmp

        memory/1120-5-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

        memory/1120-6-0x0000000005090000-0x000000000512C000-memory.dmp

        memory/1120-7-0x00000000051A0000-0x00000000051B8000-memory.dmp

        memory/1120-3-0x0000000004E40000-0x0000000004ED2000-memory.dmp

        memory/1120-9-0x00000000052F0000-0x0000000005304000-memory.dmp

        memory/1120-4-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

        memory/1120-11-0x00000000750A0000-0x0000000075850000-memory.dmp

        memory/1120-12-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

        memory/1120-0-0x0000000000370000-0x0000000000418000-memory.dmp

        memory/1120-50-0x00000000750A0000-0x0000000075850000-memory.dmp

        memory/1120-2-0x00000000053F0000-0x0000000005994000-memory.dmp

        memory/1120-1-0x00000000750A0000-0x0000000075850000-memory.dmp

        memory/1320-49-0x0000000005310000-0x0000000005320000-memory.dmp

        memory/1320-48-0x00000000750A0000-0x0000000075850000-memory.dmp

        memory/1320-83-0x0000000006300000-0x0000000006350000-memory.dmp

        memory/1320-96-0x0000000005310000-0x0000000005320000-memory.dmp

        memory/1320-46-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/1320-95-0x00000000750A0000-0x0000000075850000-memory.dmp

        memory/2252-84-0x0000000007540000-0x0000000007551000-memory.dmp

        memory/2252-56-0x0000000007010000-0x0000000007042000-memory.dmp

        memory/2252-86-0x0000000007580000-0x0000000007594000-memory.dmp

        memory/2252-22-0x0000000002760000-0x0000000002770000-memory.dmp

        memory/2252-79-0x0000000007980000-0x0000000007FFA000-memory.dmp

        memory/2252-93-0x00000000750A0000-0x0000000075850000-memory.dmp

        memory/2252-53-0x0000000002760000-0x0000000002770000-memory.dmp

        memory/2252-26-0x00000000058B0000-0x0000000005916000-memory.dmp

        memory/2252-87-0x0000000007680000-0x000000000769A000-memory.dmp

        memory/2252-21-0x00000000750A0000-0x0000000075850000-memory.dmp

        memory/2252-82-0x00000000075C0000-0x0000000007656000-memory.dmp

        memory/2252-81-0x00000000073B0000-0x00000000073BA000-memory.dmp

        memory/2252-52-0x0000000006570000-0x00000000065BC000-memory.dmp

        memory/2252-68-0x0000000075900000-0x000000007594C000-memory.dmp

        memory/3216-17-0x0000000002470000-0x00000000024A6000-memory.dmp

        memory/3216-78-0x0000000006DC0000-0x0000000006E63000-memory.dmp

        memory/3216-67-0x0000000006360000-0x000000000637E000-memory.dmp

        memory/3216-80-0x00000000070C0000-0x00000000070DA000-memory.dmp

        memory/3216-57-0x0000000075900000-0x000000007594C000-memory.dmp

        memory/3216-55-0x000000007F550000-0x000000007F560000-memory.dmp

        memory/3216-54-0x0000000004930000-0x0000000004940000-memory.dmp

        memory/3216-51-0x0000000005DB0000-0x0000000005DCE000-memory.dmp

        memory/3216-85-0x0000000007310000-0x000000000731E000-memory.dmp

        memory/3216-45-0x00000000058F0000-0x0000000005C44000-memory.dmp

        memory/3216-25-0x00000000055A0000-0x0000000005606000-memory.dmp

        memory/3216-88-0x0000000007400000-0x0000000007408000-memory.dmp

        memory/3216-23-0x0000000004CC0000-0x0000000004CE2000-memory.dmp

        memory/3216-20-0x0000000004F70000-0x0000000005598000-memory.dmp

        memory/3216-94-0x00000000750A0000-0x0000000075850000-memory.dmp

        memory/3216-19-0x0000000004930000-0x0000000004940000-memory.dmp

        memory/3216-18-0x00000000750A0000-0x0000000075850000-memory.dmp