Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-09-2024 22:35

General

  • Target

    6dc4180463b8f676702e4bc844f1c5d3.exe

  • Size

    833KB

  • MD5

    6dc4180463b8f676702e4bc844f1c5d3

  • SHA1

    c4ca9d568e0b632584c1af32fefe55b6d859a467

  • SHA256

    dcde44c3d4114b52dbdac5435af307656b56e38cb36ce52b976d8ef611fa3777

  • SHA512

    22122b2ca306668d060af06bcbdd46856ad19aa873d30742024a62ab9fabdfed50ca1ab342ff3be33c35c08cf3b723e4d69d6356f1795b0c66698511457df8e0

  • SSDEEP

    24576:XA9b/h0Rx67ro5RZK/vf24cz7iSg+YuX0J:m/hq8X3vf24c7cdJ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6dc4180463b8f676702e4bc844f1c5d3.exe
    "C:\Users\Admin\AppData\Local\Temp\6dc4180463b8f676702e4bc844f1c5d3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\6dc4180463b8f676702e4bc844f1c5d3.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      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\LCJNVAE.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:776
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LCJNVAE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD00B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2888
    • C:\Users\Admin\AppData\Local\Temp\6dc4180463b8f676702e4bc844f1c5d3.exe
      "C:\Users\Admin\AppData\Local\Temp\6dc4180463b8f676702e4bc844f1c5d3.exe"
      2⤵
        PID:1040
      • C:\Users\Admin\AppData\Local\Temp\6dc4180463b8f676702e4bc844f1c5d3.exe
        "C:\Users\Admin\AppData\Local\Temp\6dc4180463b8f676702e4bc844f1c5d3.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1540

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpD00B.tmp

      Filesize

      1KB

      MD5

      9013bb25c9350a9d19edf984e58e5acb

      SHA1

      719f1bf70ef6fd36d2128ad776551006f1956391

      SHA256

      3aac40de34812357210cdae35feb1b98df7648ad59e1bd801946d36f2187b1ef

      SHA512

      6b6a1e0a81b57b96c1a71395661a6be0710f57cfc4bba238d25346db3116b7e5f4157f3a17577024442675783dac278cf9488bf06d0fb3bf44065b0af2f9364c

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\PLEQGOCCFESQP0JOSGXI.temp

      Filesize

      7KB

      MD5

      c4d4d309fc98cd323a442d4c9b774ba8

      SHA1

      511be55612ecf24cd4eb7dfa4a57ca81385087e1

      SHA256

      bbc6e376c4bc70c139b757a8d259188ea46e1ef14b51bfc834e29dc0b378f286

      SHA512

      3d09fe7ff6475ea93e270b487575be0000af5610e76f92c1b0cb67e4221a34c75ebf2f03db66d3058ab4d3faae848974e9f7be0a3b51ea56f171ee2d2deb05ae

    • memory/1540-29-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1540-19-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1540-21-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1540-23-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1540-25-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1540-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1540-28-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1540-31-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2292-4-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

      Filesize

      4KB

    • memory/2292-6-0x00000000052F0000-0x0000000005372000-memory.dmp

      Filesize

      520KB

    • memory/2292-32-0x0000000074E00000-0x00000000754EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2292-5-0x0000000074E00000-0x00000000754EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2292-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

      Filesize

      4KB

    • memory/2292-3-0x0000000000490000-0x00000000004A0000-memory.dmp

      Filesize

      64KB

    • memory/2292-2-0x0000000074E00000-0x00000000754EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2292-1-0x0000000000020000-0x00000000000F6000-memory.dmp

      Filesize

      856KB