Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 01:17

General

  • Target

    6832e0e56357c3049c087b839caa9a94e916ccaadde0592b311647cad3233d08.exe

  • Size

    660KB

  • MD5

    2800aa2852b170b848c83ee96d265759

  • SHA1

    4ae060a78977d2f6e914ec1fe84b55fb735b5ad6

  • SHA256

    6832e0e56357c3049c087b839caa9a94e916ccaadde0592b311647cad3233d08

  • SHA512

    e38507c72aafee4f38f61e125a0f7672e79a06880954b9dee79d33a6aeb3b92db6fcca6d3c3154571ce49d1efb5a7336768d5a24bd0929bc580a1ca4bb44a6e4

  • SSDEEP

    12288:ZhkZ52FoevYxAvGDfR2nr+eGXtBvC9kdRUpo9CBvMTLz:ZK/2FtYxAvCfYr+eGXt9NdRbR

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\6832e0e56357c3049c087b839caa9a94e916ccaadde0592b311647cad3233d08.exe
    "C:\Users\Admin\AppData\Local\Temp\6832e0e56357c3049c087b839caa9a94e916ccaadde0592b311647cad3233d08.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OtoBxJUHAN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2396
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OtoBxJUHAN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8AC2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2772
    • C:\Users\Admin\AppData\Local\Temp\6832e0e56357c3049c087b839caa9a94e916ccaadde0592b311647cad3233d08.exe
      "C:\Users\Admin\AppData\Local\Temp\6832e0e56357c3049c087b839caa9a94e916ccaadde0592b311647cad3233d08.exe"
      2⤵
        PID:2704
      • C:\Users\Admin\AppData\Local\Temp\6832e0e56357c3049c087b839caa9a94e916ccaadde0592b311647cad3233d08.exe
        "C:\Users\Admin\AppData\Local\Temp\6832e0e56357c3049c087b839caa9a94e916ccaadde0592b311647cad3233d08.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2724

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    3
    T1552

    Credentials In Files

    3
    T1552.001

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp8AC2.tmp
      Filesize

      1KB

      MD5

      d9ca17e95bba293d5440a62d051c4ca8

      SHA1

      776f189946a9307c4046e38eb07e1770b6889387

      SHA256

      a254684bc87940651964e87a8565a82b215b8459fea6ff04539e64b2630e3b36

      SHA512

      bcf98dd980592ba649680b3502ce5efba3bf63ecdddef61cc7e5953c3a66a4cdbb96389a5ba160ea6a2906c4b02f63442a8e6a2ee76a1b108bd735bb0daa021c

    • memory/2396-33-0x0000000072540000-0x0000000072AEB000-memory.dmp
      Filesize

      5.7MB

    • memory/2396-32-0x00000000026F0000-0x0000000002730000-memory.dmp
      Filesize

      256KB

    • memory/2396-31-0x00000000026F0000-0x0000000002730000-memory.dmp
      Filesize

      256KB

    • memory/2396-30-0x0000000072540000-0x0000000072AEB000-memory.dmp
      Filesize

      5.7MB

    • memory/2396-29-0x0000000072540000-0x0000000072AEB000-memory.dmp
      Filesize

      5.7MB

    • memory/2724-28-0x0000000004480000-0x00000000044C0000-memory.dmp
      Filesize

      256KB

    • memory/2724-21-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2724-12-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2724-14-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2724-15-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2724-16-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2724-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2724-19-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2724-35-0x0000000004480000-0x00000000044C0000-memory.dmp
      Filesize

      256KB

    • memory/2724-34-0x0000000074090000-0x000000007477E000-memory.dmp
      Filesize

      6.9MB

    • memory/2724-24-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2724-27-0x0000000074090000-0x000000007477E000-memory.dmp
      Filesize

      6.9MB

    • memory/2944-1-0x0000000074110000-0x00000000747FE000-memory.dmp
      Filesize

      6.9MB

    • memory/2944-5-0x0000000000670000-0x000000000067A000-memory.dmp
      Filesize

      40KB

    • memory/2944-4-0x0000000000430000-0x0000000000438000-memory.dmp
      Filesize

      32KB

    • memory/2944-3-0x0000000000410000-0x000000000042A000-memory.dmp
      Filesize

      104KB

    • memory/2944-2-0x0000000004830000-0x0000000004870000-memory.dmp
      Filesize

      256KB

    • memory/2944-0-0x00000000002E0000-0x000000000038C000-memory.dmp
      Filesize

      688KB

    • memory/2944-6-0x0000000005310000-0x000000000538E000-memory.dmp
      Filesize

      504KB

    • memory/2944-22-0x0000000074110000-0x00000000747FE000-memory.dmp
      Filesize

      6.9MB