Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2023, 14:05

General

  • Target

    overdue invoices pdf.exe

  • Size

    729KB

  • MD5

    fbad6ae9a778119e7fa68a4af950ea1d

  • SHA1

    6cac78884894a7415498c70a8e5bb0818a0535ca

  • SHA256

    6461077970b9463db60faad97819790772c4b8cf94cc068d6a6524f5b7fc28de

  • SHA512

    bdb0011bc91e9e0abbbefafdce79e8584cf63971c7f5ba7f73a1b46e6a3839cc033f43c842e3db4f8f435f1c9dea80ef2ff551201d8a00b007a45029dc32ebf4

  • SSDEEP

    12288:DUOPypIzGfOUmJZeClB3/AaJzD9DhyKftDKUACZKA6Pj5wox9avEFh:DUOPypIzGWUgZxDN5D91bFKULKvPjmo6

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 59 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\overdue invoices pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\overdue invoices pdf.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • 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\overdue invoices pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2124
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WWmKPXzD.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2596
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WWmKPXzD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD4BD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2716
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpD4BD.tmp

      Filesize

      1KB

      MD5

      6a409882bafdfd633db887a2ee5fa4e0

      SHA1

      5ef30f21374797576d08a71091e20c9a77bdd208

      SHA256

      bbdaf51cfb60757801a7e4bd8a60661a07e2cb078f7ca09888f9233f5e13bae2

      SHA512

      d2d4b766bb1564052510f65374a579ba0de0b7d098b662438abda935f9c75fa60aa7aea33d8ad02cf059eba17002c9fed6fa7ebe67bfd182fde445660b519260

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\B4N2I14LIRNSVOV1VFFE.temp

      Filesize

      7KB

      MD5

      69b2d17d2e67116f85594added185269

      SHA1

      56c3aa7bb0a510df52e225d6c5ec232480d85bcb

      SHA256

      bae2f8157d886e73cee362d41add432bbac4355a568a9d797333f7f3a05ac47a

      SHA512

      d56ac7de408741f9c26536e50de91e7b849b71bc20c71952c016d30cb9ec5225a98404ca52e7d1bdd69e00c7e095ddd9ca39a4be0faa98574dc027589beb5c9b

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

      Filesize

      7KB

      MD5

      69b2d17d2e67116f85594added185269

      SHA1

      56c3aa7bb0a510df52e225d6c5ec232480d85bcb

      SHA256

      bae2f8157d886e73cee362d41add432bbac4355a568a9d797333f7f3a05ac47a

      SHA512

      d56ac7de408741f9c26536e50de91e7b849b71bc20c71952c016d30cb9ec5225a98404ca52e7d1bdd69e00c7e095ddd9ca39a4be0faa98574dc027589beb5c9b

    • memory/1932-5-0x0000000004940000-0x0000000004980000-memory.dmp

      Filesize

      256KB

    • memory/1932-0-0x00000000013D0000-0x000000000148C000-memory.dmp

      Filesize

      752KB

    • memory/1932-4-0x0000000074A90000-0x000000007517E000-memory.dmp

      Filesize

      6.9MB

    • memory/1932-6-0x00000000004E0000-0x00000000004EE000-memory.dmp

      Filesize

      56KB

    • memory/1932-7-0x0000000005C70000-0x0000000005CDA000-memory.dmp

      Filesize

      424KB

    • memory/1932-3-0x0000000000490000-0x00000000004A4000-memory.dmp

      Filesize

      80KB

    • memory/1932-2-0x0000000004940000-0x0000000004980000-memory.dmp

      Filesize

      256KB

    • memory/1932-1-0x0000000074A90000-0x000000007517E000-memory.dmp

      Filesize

      6.9MB

    • memory/2124-20-0x000000006FA20000-0x000000006FFCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2124-35-0x000000006FA20000-0x000000006FFCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2124-24-0x000000006FA20000-0x000000006FFCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2124-34-0x00000000026B0000-0x00000000026F0000-memory.dmp

      Filesize

      256KB

    • memory/2124-31-0x00000000026B0000-0x00000000026F0000-memory.dmp

      Filesize

      256KB

    • memory/2544-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2544-23-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2544-25-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2544-26-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2544-29-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2596-21-0x000000006FA20000-0x000000006FFCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2596-30-0x00000000023E0000-0x0000000002420000-memory.dmp

      Filesize

      256KB

    • memory/2596-28-0x000000006FA20000-0x000000006FFCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2596-22-0x00000000023E0000-0x0000000002420000-memory.dmp

      Filesize

      256KB

    • memory/2596-36-0x000000006FA20000-0x000000006FFCB000-memory.dmp

      Filesize

      5.7MB