Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 01:10

General

  • Target

    d9be0527daf58a6aaeeb0107204fa7ae9c16fa1af6ee87e5e03baf11672be681.exe

  • Size

    690KB

  • MD5

    751701cc21b4ed02738f93160b62f260

  • SHA1

    98e77db7aa8b66037991279d829eda8a328a059e

  • SHA256

    d9be0527daf58a6aaeeb0107204fa7ae9c16fa1af6ee87e5e03baf11672be681

  • SHA512

    64745757cc3503bdf9cd745dfe826def5e31ff61def0c3d5672c4c192922431d0bbc5440bdba8ac643365db954f45adf4ff35718dc808ba041cac629fa285179

  • SSDEEP

    12288:aYqR1n+AsObhLBHzeZ4/RkN2vKgkWu2Q2dfoGBgj+NOe/jGueH5qu:a5+A/924/RkN2vsh2Q2dfPB1NOe/2q

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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9be0527daf58a6aaeeb0107204fa7ae9c16fa1af6ee87e5e03baf11672be681.exe
    "C:\Users\Admin\AppData\Local\Temp\d9be0527daf58a6aaeeb0107204fa7ae9c16fa1af6ee87e5e03baf11672be681.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rwuXkfK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2728
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rwuXkfK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF892.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2324
    • C:\Users\Admin\AppData\Local\Temp\d9be0527daf58a6aaeeb0107204fa7ae9c16fa1af6ee87e5e03baf11672be681.exe
      "C:\Users\Admin\AppData\Local\Temp\d9be0527daf58a6aaeeb0107204fa7ae9c16fa1af6ee87e5e03baf11672be681.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF892.tmp

    Filesize

    1KB

    MD5

    4afb9ca5d6baba67a5765d876dc17666

    SHA1

    69d8ab4a8aafb4a7ed670d22884cd122cddd83fd

    SHA256

    b363823d367056e9f812ed3caef24623fe2bef6c213bc673f76a681abb6259e7

    SHA512

    b78c37785fea0d63b56b32d82ca44f3cfc4d382ede802d4314c62e809f025af405ec550ee14214a7179ce8df41a0b0526fee4476e008b72fc4392abadb0e2834

  • memory/1680-28-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-3-0x0000000000910000-0x000000000092A000-memory.dmp

    Filesize

    104KB

  • memory/1680-1-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-4-0x00000000020C0000-0x00000000020C8000-memory.dmp

    Filesize

    32KB

  • memory/1680-5-0x00000000020D0000-0x00000000020DA000-memory.dmp

    Filesize

    40KB

  • memory/1680-6-0x0000000005E10000-0x0000000005E8A000-memory.dmp

    Filesize

    488KB

  • memory/1680-7-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-0-0x0000000000930000-0x00000000009E2000-memory.dmp

    Filesize

    712KB

  • memory/1680-2-0x0000000004D60000-0x0000000004DA0000-memory.dmp

    Filesize

    256KB

  • memory/1772-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1772-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1772-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1772-39-0x0000000004AD0000-0x0000000004B10000-memory.dmp

    Filesize

    256KB

  • memory/1772-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1772-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1772-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1772-29-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1772-32-0x0000000004AD0000-0x0000000004B10000-memory.dmp

    Filesize

    256KB

  • memory/1772-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1772-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1772-38-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2728-35-0x0000000002290000-0x00000000022D0000-memory.dmp

    Filesize

    256KB

  • memory/2728-36-0x0000000002290000-0x00000000022D0000-memory.dmp

    Filesize

    256KB

  • memory/2728-37-0x000000006F570000-0x000000006FB1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2728-34-0x000000006F570000-0x000000006FB1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2728-33-0x000000006F570000-0x000000006FB1B000-memory.dmp

    Filesize

    5.7MB