Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 23:18

General

  • Target

    4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe

  • Size

    631KB

  • MD5

    a7978bc7aea0dee6342fb84feccf3b7f

  • SHA1

    cfb10b3127e5b9b780095d85e9efb7774e31bbe0

  • SHA256

    4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b

  • SHA512

    bcdaa2db7cd7f710ead7d269f6fdd2f34d01c9a92fbfef4727a1317a842a6605dc9289420cc2b10052e6f200b6d2cc5bbe904746066ff56dfa3dab52dc20115e

  • SSDEEP

    12288:MEqL21QtNWYMiiU+azb+L49LaacPReI7o6n0IMDg0nDZZoPfQ7aHRdmrbr+5g:aaNzTU9z7LFse6JMDnDZkVHRdYbr+5g

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6353128006:AAFulmZK9PJ4k4JNz1oz4b-Jn-B9cWwS2rI/

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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe
    "C:\Users\Admin\AppData\Local\Temp\4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QDpduuBx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QDpduuBx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF45D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2552
    • C:\Users\Admin\AppData\Local\Temp\4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe
      "C:\Users\Admin\AppData\Local\Temp\4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2740
    • C:\Users\Admin\AppData\Local\Temp\4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe
      "C:\Users\Admin\AppData\Local\Temp\4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe"
      2⤵
        PID:2688

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpF45D.tmp

      Filesize

      1KB

      MD5

      739c8feaddc2badd4111074f895393ca

      SHA1

      3116e391a5635f30d57077c7e962206b393d731c

      SHA256

      cd3ed76b0e1c160936a25741f4e190e346d76e437da1c7afccd4072fcf518109

      SHA512

      56f7407fbac0265d6bf4912ef0ca942e08d4a7e38307655c6f50ad46b8f543c1d1018e7bbd203434d5fd79f2a9e161a228392fe009ce62c5d968e92c1632aec0

    • C:\Users\Admin\AppData\Roaming\newapp\newapp.exe

      Filesize

      631KB

      MD5

      a7978bc7aea0dee6342fb84feccf3b7f

      SHA1

      cfb10b3127e5b9b780095d85e9efb7774e31bbe0

      SHA256

      4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b

      SHA512

      bcdaa2db7cd7f710ead7d269f6fdd2f34d01c9a92fbfef4727a1317a842a6605dc9289420cc2b10052e6f200b6d2cc5bbe904746066ff56dfa3dab52dc20115e

    • memory/2324-28-0x0000000074710000-0x0000000074DFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2324-1-0x0000000074710000-0x0000000074DFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2324-2-0x0000000004F60000-0x0000000004FA0000-memory.dmp

      Filesize

      256KB

    • memory/2324-3-0x0000000000390000-0x00000000003A0000-memory.dmp

      Filesize

      64KB

    • memory/2324-4-0x0000000074710000-0x0000000074DFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2324-5-0x0000000004F60000-0x0000000004FA0000-memory.dmp

      Filesize

      256KB

    • memory/2324-6-0x00000000003B0000-0x00000000003BA000-memory.dmp

      Filesize

      40KB

    • memory/2324-7-0x0000000005600000-0x000000000567E000-memory.dmp

      Filesize

      504KB

    • memory/2324-0-0x0000000001130000-0x00000000011D4000-memory.dmp

      Filesize

      656KB

    • memory/2384-32-0x000000006EB60000-0x000000006F10B000-memory.dmp

      Filesize

      5.7MB

    • memory/2384-35-0x000000006EB60000-0x000000006F10B000-memory.dmp

      Filesize

      5.7MB

    • memory/2384-34-0x0000000002300000-0x0000000002340000-memory.dmp

      Filesize

      256KB

    • memory/2384-33-0x0000000002300000-0x0000000002340000-memory.dmp

      Filesize

      256KB

    • memory/2384-31-0x000000006EB60000-0x000000006F10B000-memory.dmp

      Filesize

      5.7MB

    • memory/2740-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2740-27-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2740-29-0x0000000074710000-0x0000000074DFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2740-30-0x0000000004830000-0x0000000004870000-memory.dmp

      Filesize

      256KB

    • memory/2740-25-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2740-17-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2740-23-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2740-19-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2740-20-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2740-36-0x0000000074710000-0x0000000074DFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2740-13-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2740-39-0x0000000004830000-0x0000000004870000-memory.dmp

      Filesize

      256KB