Analysis

  • max time kernel
    119s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2023 15:36

General

  • Target

    NEAS.e0a14b9acddbf73d270c2eabf671ce58e1c2aaa237ccf2de320efedc947b6ccc.exe

  • Size

    639KB

  • MD5

    6f2b2f1d2660afb4706026e7d7d23aa1

  • SHA1

    923f3343f31c12cfcda499a777944ba8e140357f

  • SHA256

    e0a14b9acddbf73d270c2eabf671ce58e1c2aaa237ccf2de320efedc947b6ccc

  • SHA512

    514729c48f46cb8db71d125105fd4a00cb67f9e4efe42f51c88507a262fe230a5f41e00570734e745489bafcf6ac8e0d1a112ba71dbebff3457f8b5c9fdfb388

  • SSDEEP

    6144:iCvHrm8ClZP6C0Cg+5cbSfDL8twf87vi2Nzm6aY8OFTglKfNzUjYo5jN9vTYY+g5:UjDLlf8aY8OFYKVzU8GL3w8FC6hHgB

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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.e0a14b9acddbf73d270c2eabf671ce58e1c2aaa237ccf2de320efedc947b6ccc.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.e0a14b9acddbf73d270c2eabf671ce58e1c2aaa237ccf2de320efedc947b6ccc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EbYWaYm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EbYWaYm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB07B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2208
    • C:\Users\Admin\AppData\Local\Temp\NEAS.e0a14b9acddbf73d270c2eabf671ce58e1c2aaa237ccf2de320efedc947b6ccc.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.e0a14b9acddbf73d270c2eabf671ce58e1c2aaa237ccf2de320efedc947b6ccc.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB07B.tmp

    Filesize

    1KB

    MD5

    057b8f39c44fe3809f15f766b5d662a0

    SHA1

    73e9d6f17289538cc5a328db06201b9b19925526

    SHA256

    6f671ac817050ff46c600de59582ac109ae05b8242e8ec3a10b47b696dd32556

    SHA512

    1468b0c19f65c4735e36cc4644be112c1f2fb249e0b24e4b07855b3fd03b97249bb5bc866ce6483acf95b843b57728345050e806732c9f333cfd38a671fa7073

  • memory/2456-23-0x00000000748B0000-0x0000000074F9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2456-1-0x0000000001120000-0x00000000011C4000-memory.dmp

    Filesize

    656KB

  • memory/2456-2-0x0000000004EC0000-0x0000000004F00000-memory.dmp

    Filesize

    256KB

  • memory/2456-3-0x0000000000240000-0x0000000000256000-memory.dmp

    Filesize

    88KB

  • memory/2456-4-0x00000000003C0000-0x00000000003CA000-memory.dmp

    Filesize

    40KB

  • memory/2456-5-0x00000000052E0000-0x000000000534A000-memory.dmp

    Filesize

    424KB

  • memory/2456-0-0x00000000748B0000-0x0000000074F9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2696-27-0x000000006FC80000-0x000000007022B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-28-0x000000006FC80000-0x000000007022B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-32-0x000000006FC80000-0x000000007022B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-31-0x00000000024A0000-0x00000000024E0000-memory.dmp

    Filesize

    256KB

  • memory/2696-30-0x00000000024A0000-0x00000000024E0000-memory.dmp

    Filesize

    256KB

  • memory/2696-29-0x00000000024A0000-0x00000000024E0000-memory.dmp

    Filesize

    256KB

  • memory/2748-19-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2748-22-0x00000000748B0000-0x0000000074F9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-12-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2748-24-0x0000000000820000-0x0000000000860000-memory.dmp

    Filesize

    256KB

  • memory/2748-11-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2748-21-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2748-13-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2748-17-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2748-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-14-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2748-34-0x00000000748B0000-0x0000000074F9E000-memory.dmp

    Filesize

    6.9MB