Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2023, 01:04

General

  • Target

    3.exe

  • Size

    524KB

  • MD5

    56289bde396a90952eb8e0fc61b92904

  • SHA1

    40ae442d833a4e9a43892ef548c95269d549ddb7

  • SHA256

    1edb737d47b059f47d94eb22691f846b7c415e11a97a2a1843e4f716604bbaa1

  • SHA512

    63c95d1328186f27078414c7c9698deb4e6f5112a29b23ee188f4c37eb485d611b1aedbb316aad75c4113d2374ade137c8c4d1f78565ba3cb8b6eaaa288a8f1b

  • SSDEEP

    12288:SbmPNz1s9F83QxgxLD5JsZ+yMwInLlJEgsAv1NmhRpREdzbKmcet:OmldDwZ+yXInkgZ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apantextile.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Latifshamima

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 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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).

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3.exe
    "C:\Users\Admin\AppData\Local\Temp\3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4236
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QkQaqHCbSY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp29D5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1200
    • C:\Users\Admin\AppData\Local\Temp\3.exe
      "{path}"
      2⤵
        PID:3012
      • C:\Users\Admin\AppData\Local\Temp\3.exe
        "{path}"
        2⤵
          PID:4312
        • C:\Users\Admin\AppData\Local\Temp\3.exe
          "{path}"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:4084

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3.exe.log

              Filesize

              1KB

              MD5

              17573558c4e714f606f997e5157afaac

              SHA1

              13e16e9415ceef429aaf124139671ebeca09ed23

              SHA256

              c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

              SHA512

              f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

            • C:\Users\Admin\AppData\Local\Temp\tmp29D5.tmp

              Filesize

              1KB

              MD5

              f23431c2b493a60584063d3f4b025782

              SHA1

              2d2b421f7fe33fd0738eb91978b67d9aa67a0e30

              SHA256

              b9e466c68a3a49ba759351994f0706db30bc63e0ccfc63a1bbf49c090aa08379

              SHA512

              ffd8d91bb028f11661d69095159d916ddc3943f399c55c7c65fac25469f99a7d40b4c453773bdf2a6059be2d5855c5d46ec4d849054e84d774a168ad443d2215

            • memory/4084-27-0x0000000005680000-0x0000000005690000-memory.dmp

              Filesize

              64KB

            • memory/4084-26-0x0000000074710000-0x0000000074EC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4084-25-0x0000000006DE0000-0x0000000006E30000-memory.dmp

              Filesize

              320KB

            • memory/4084-23-0x0000000005710000-0x0000000005776000-memory.dmp

              Filesize

              408KB

            • memory/4084-22-0x0000000005680000-0x0000000005690000-memory.dmp

              Filesize

              64KB

            • memory/4084-20-0x0000000074710000-0x0000000074EC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4084-17-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB

            • memory/4236-12-0x0000000005320000-0x00000000053A0000-memory.dmp

              Filesize

              512KB

            • memory/4236-7-0x0000000005260000-0x000000000526A000-memory.dmp

              Filesize

              40KB

            • memory/4236-11-0x0000000000C50000-0x0000000000C64000-memory.dmp

              Filesize

              80KB

            • memory/4236-0-0x00000000007B0000-0x0000000000838000-memory.dmp

              Filesize

              544KB

            • memory/4236-13-0x00000000064A0000-0x00000000064E4000-memory.dmp

              Filesize

              272KB

            • memory/4236-9-0x0000000074710000-0x0000000074EC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4236-8-0x0000000007AF0000-0x0000000007B46000-memory.dmp

              Filesize

              344KB

            • memory/4236-10-0x0000000005210000-0x0000000005220000-memory.dmp

              Filesize

              64KB

            • memory/4236-6-0x0000000005210000-0x0000000005220000-memory.dmp

              Filesize

              64KB

            • memory/4236-21-0x0000000074710000-0x0000000074EC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4236-5-0x0000000007940000-0x00000000079D2000-memory.dmp

              Filesize

              584KB

            • memory/4236-4-0x0000000007E50000-0x00000000083F4000-memory.dmp

              Filesize

              5.6MB

            • memory/4236-3-0x0000000007800000-0x000000000789C000-memory.dmp

              Filesize

              624KB

            • memory/4236-2-0x0000000007730000-0x00000000077FA000-memory.dmp

              Filesize

              808KB

            • memory/4236-1-0x0000000074710000-0x0000000074EC0000-memory.dmp

              Filesize

              7.7MB