Analysis

  • max time kernel
    134s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 01:53

General

  • Target

    Purchase Order-504789923/ABjGK9XeRxzJ33W.exe

  • Size

    855KB

  • MD5

    23603bfafc152b25980d9d2daf1a7eb7

  • SHA1

    ad240c8ff5e81a18f6c71f0392c8e1b0bf96bf87

  • SHA256

    bfd3502d2fa81b4e82c6d0f35da6ae508c5be2b83342cc564ede8e50b580f875

  • SHA512

    ff262a11a4d3ffdb1ae97f5f07b9e09a2b9deb9baa9aeaed52624e5dc1a5394a61aa20979ab7d95f0572f34f4e301e0dda7d4353f7088b8964b31059bd0a1cba

  • SSDEEP

    24576:GWtb3BEyS/eRwgblVA3LIRJPfSWUhh2l:VZBEnxIlVwcRp

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order-504789923\ABjGK9XeRxzJ33W.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order-504789923\ABjGK9XeRxzJ33W.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZgyPhDuHCFbHKh.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2264
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZgyPhDuHCFbHKh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8E94.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4600
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order-504789923\ABjGK9XeRxzJ33W.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order-504789923\ABjGK9XeRxzJ33W.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4444

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dustapta.vfx.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp8E94.tmp

          Filesize

          1KB

          MD5

          d119b39b1d040b01ebd166dda3b087c8

          SHA1

          06b319b9571e1c83eda3f1432ebee209e66a77ac

          SHA256

          413f65d6bc85c58c610641cef1289bec58cd1ad1d704f364e0feb292b0e2080a

          SHA512

          3627dea694c0cb9f99d00c2376e2a1761a4c30cbf5711572a73c405c7b33f225e3f395e118f2a1a99033811a280744728bd5cb4af49897adfde9357efc0d2ad9

        • memory/1892-6-0x000000000A650000-0x000000000A672000-memory.dmp

          Filesize

          136KB

        • memory/1892-2-0x00000000081D0000-0x0000000008774000-memory.dmp

          Filesize

          5.6MB

        • memory/1892-5-0x00000000746B0000-0x0000000074E60000-memory.dmp

          Filesize

          7.7MB

        • memory/1892-4-0x0000000005280000-0x000000000528A000-memory.dmp

          Filesize

          40KB

        • memory/1892-3-0x0000000007D00000-0x0000000007D92000-memory.dmp

          Filesize

          584KB

        • memory/1892-7-0x00000000068A0000-0x00000000068AC000-memory.dmp

          Filesize

          48KB

        • memory/1892-8-0x00000000078C0000-0x00000000078D0000-memory.dmp

          Filesize

          64KB

        • memory/1892-9-0x0000000008F00000-0x0000000008F86000-memory.dmp

          Filesize

          536KB

        • memory/1892-10-0x0000000009020000-0x00000000090BC000-memory.dmp

          Filesize

          624KB

        • memory/1892-1-0x0000000000D60000-0x0000000000E3A000-memory.dmp

          Filesize

          872KB

        • memory/1892-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

          Filesize

          4KB

        • memory/1892-36-0x00000000746B0000-0x0000000074E60000-memory.dmp

          Filesize

          7.7MB

        • memory/2264-32-0x0000000005440000-0x00000000054A6000-memory.dmp

          Filesize

          408KB

        • memory/2264-41-0x00000000069E0000-0x0000000006A12000-memory.dmp

          Filesize

          200KB

        • memory/2264-65-0x00000000746B0000-0x0000000074E60000-memory.dmp

          Filesize

          7.7MB

        • memory/2264-21-0x00000000746B0000-0x0000000074E60000-memory.dmp

          Filesize

          7.7MB

        • memory/2264-61-0x0000000007090000-0x00000000070AA000-memory.dmp

          Filesize

          104KB

        • memory/2264-62-0x0000000007070000-0x0000000007078000-memory.dmp

          Filesize

          32KB

        • memory/2264-29-0x00000000052A0000-0x00000000052C2000-memory.dmp

          Filesize

          136KB

        • memory/2264-18-0x00000000746B0000-0x0000000074E60000-memory.dmp

          Filesize

          7.7MB

        • memory/2264-16-0x0000000004AF0000-0x0000000005118000-memory.dmp

          Filesize

          6.2MB

        • memory/2264-15-0x0000000002120000-0x0000000002156000-memory.dmp

          Filesize

          216KB

        • memory/2264-38-0x0000000005520000-0x0000000005874000-memory.dmp

          Filesize

          3.3MB

        • memory/2264-60-0x0000000006F90000-0x0000000006FA4000-memory.dmp

          Filesize

          80KB

        • memory/2264-39-0x0000000005A30000-0x0000000005A4E000-memory.dmp

          Filesize

          120KB

        • memory/2264-40-0x0000000005CE0000-0x0000000005D2C000-memory.dmp

          Filesize

          304KB

        • memory/2264-42-0x0000000074F10000-0x0000000074F5C000-memory.dmp

          Filesize

          304KB

        • memory/2264-19-0x00000000746B0000-0x0000000074E60000-memory.dmp

          Filesize

          7.7MB

        • memory/2264-53-0x0000000006A20000-0x0000000006AC3000-memory.dmp

          Filesize

          652KB

        • memory/2264-52-0x0000000005FD0000-0x0000000005FEE000-memory.dmp

          Filesize

          120KB

        • memory/2264-55-0x0000000006D50000-0x0000000006D6A000-memory.dmp

          Filesize

          104KB

        • memory/2264-54-0x0000000007390000-0x0000000007A0A000-memory.dmp

          Filesize

          6.5MB

        • memory/2264-56-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

          Filesize

          40KB

        • memory/2264-57-0x0000000006FD0000-0x0000000007066000-memory.dmp

          Filesize

          600KB

        • memory/2264-58-0x0000000006F50000-0x0000000006F61000-memory.dmp

          Filesize

          68KB

        • memory/2264-59-0x0000000006F80000-0x0000000006F8E000-memory.dmp

          Filesize

          56KB

        • memory/4444-37-0x00000000746B0000-0x0000000074E60000-memory.dmp

          Filesize

          7.7MB

        • memory/4444-30-0x00000000058D0000-0x0000000005936000-memory.dmp

          Filesize

          408KB

        • memory/4444-23-0x00000000746B0000-0x0000000074E60000-memory.dmp

          Filesize

          7.7MB

        • memory/4444-20-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/4444-66-0x0000000006920000-0x0000000006970000-memory.dmp

          Filesize

          320KB

        • memory/4444-67-0x00000000746B0000-0x0000000074E60000-memory.dmp

          Filesize

          7.7MB