Analysis

  • max time kernel
    121s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2023 03:59

General

  • Target

    be17427d37337c71ac701effd983f143.exe

  • Size

    1.1MB

  • MD5

    be17427d37337c71ac701effd983f143

  • SHA1

    00978eb4e2325c80bd3bd09b60c5568c4dc6ce16

  • SHA256

    18d2b8838dac4579e0dad6276b13ee43f4de3e85e61e631403b6e149d03ab197

  • SHA512

    99ce9b0df86c144a2044090b1a79519fca87bc53c09dc28e05851b2a108fc0987006b3acc585c3a40e40d7a213242e37a239a9daf456537a5abf39f1938d787c

  • SSDEEP

    12288:iFjm1r/uMqw36u/4xKMAEhp8ALZdStD1WR5/S7dRTc9hvNWRR1yq2:QjebuNk3vrEhBrU65/0QVw/2

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be17427d37337c71ac701effd983f143.exe
    "C:\Users\Admin\AppData\Local\Temp\be17427d37337c71ac701effd983f143.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IgNIppWS.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IgNIppWS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5ABD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2656
    • C:\Users\Admin\AppData\Local\Temp\be17427d37337c71ac701effd983f143.exe
      "C:\Users\Admin\AppData\Local\Temp\be17427d37337c71ac701effd983f143.exe"
      2⤵
        PID:2804
      • C:\Users\Admin\AppData\Local\Temp\be17427d37337c71ac701effd983f143.exe
        "C:\Users\Admin\AppData\Local\Temp\be17427d37337c71ac701effd983f143.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp5ABD.tmp

      Filesize

      1KB

      MD5

      fca3855bf2ea9cadaffa21d073b3506f

      SHA1

      aea5c27a8c601981a10b055bf763bdc6809549fc

      SHA256

      c2ba47dd3b2d67304c6f081dd3b962859314346733a1399514ebb4cb9e65f58c

      SHA512

      1bc2c5de230044dd955c1f5d36bfa3f3a4b2f954de05650a470cab864f87c2a1908871fdf690076afcfad6c09d8b54986b9cabe01c3d4268912ba50b2252190a

    • memory/1096-0-0x00000000741D0000-0x00000000748BE000-memory.dmp

      Filesize

      6.9MB

    • memory/1096-1-0x00000000001E0000-0x00000000002F6000-memory.dmp

      Filesize

      1.1MB

    • memory/1096-2-0x0000000004230000-0x0000000004270000-memory.dmp

      Filesize

      256KB

    • memory/1096-3-0x0000000000850000-0x000000000086C000-memory.dmp

      Filesize

      112KB

    • memory/1096-4-0x00000000741D0000-0x00000000748BE000-memory.dmp

      Filesize

      6.9MB

    • memory/1096-5-0x0000000004230000-0x0000000004270000-memory.dmp

      Filesize

      256KB

    • memory/1096-6-0x0000000000870000-0x0000000000880000-memory.dmp

      Filesize

      64KB

    • memory/1096-7-0x0000000005DE0000-0x0000000005E5A000-memory.dmp

      Filesize

      488KB

    • memory/1096-28-0x00000000741D0000-0x00000000748BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2088-20-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2088-25-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2088-19-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2088-17-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2088-23-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2088-15-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2088-27-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2088-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2088-35-0x00000000723D0000-0x0000000072ABE000-memory.dmp

      Filesize

      6.9MB

    • memory/2088-31-0x00000000723D0000-0x0000000072ABE000-memory.dmp

      Filesize

      6.9MB

    • memory/2832-30-0x000000006E070000-0x000000006E61B000-memory.dmp

      Filesize

      5.7MB

    • memory/2832-32-0x0000000002700000-0x0000000002740000-memory.dmp

      Filesize

      256KB

    • memory/2832-33-0x0000000002700000-0x0000000002740000-memory.dmp

      Filesize

      256KB

    • memory/2832-34-0x000000006E070000-0x000000006E61B000-memory.dmp

      Filesize

      5.7MB

    • memory/2832-29-0x000000006E070000-0x000000006E61B000-memory.dmp

      Filesize

      5.7MB