Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    27-04-2024 01:21

General

  • Target

    SOA FOR APR 2024 PDF.exe

  • Size

    706KB

  • MD5

    7a6e9d01d9162c7537ba8091187e4235

  • SHA1

    f5b69f4b0ec8cd0a4b7bab26a0de167c8cc535cd

  • SHA256

    7fd14673f73717b024728ae4248be0a1579f480a261c4f4d94742f230a01cb47

  • SHA512

    7af388861a5be63b87e8159e2b20bf78d110517b8db6a314a7128cba29075734be43c543b1d701e360778d539951c58e3c06bc2ee2e2ad6855d0067fff55a199

  • SSDEEP

    12288:mWYIPXjxannnHg2rA1a8vHKzUREMEngfnRhU0KjqdAwz725zfjVfjKIsj+1F0DxY:mWYIPFannnHg2Qa86n0LdAA70ztjRh0W

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
  • 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.

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA FOR APR 2024 PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA FOR APR 2024 PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2832
    • 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\SOA FOR APR 2024 PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2204
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eeBIYZL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eeBIYZL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp42F9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2548
    • C:\Users\Admin\AppData\Local\Temp\SOA FOR APR 2024 PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA FOR APR 2024 PDF.exe"
      2⤵
        PID:2876
      • C:\Users\Admin\AppData\Local\Temp\SOA FOR APR 2024 PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\SOA FOR APR 2024 PDF.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2688

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp42F9.tmp

      Filesize

      1KB

      MD5

      e7465ab2f457cc7a6ceceee8e2e44bbf

      SHA1

      91067fec1c528a33f3aaa6cce7ad3bec42b5d27b

      SHA256

      aaddba4010972d46ff74a6e17968d16bb9dbdff6d4e7d2bd91c04084c090ae8e

      SHA512

      8874d47b51196718782c0d6feffdefec9fd180394d34de0e55d6b6342760073aa8501cf2d3fa1343c2b53795a01a8221ba177d171cc57a89a82f0a28fe4b2926

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\SZB1LHI2Y77LIM0TEWA0.temp

      Filesize

      7KB

      MD5

      935f096e63728223662c409207628855

      SHA1

      3a147f2cb2a77e3dc9174a780c3eeaa68b701907

      SHA256

      438e68a753b27cd2822afbd2f48f78a404e0fdc794e235491f55a35c93782342

      SHA512

      47699537f83ac1c96a3347fe63059508dfa4fae44c4e082501d56cc559e2fe8c6baf1c2ebeab183122fe1c34537fd7af0440c8ccf6a7cf831a560acb3a91e83c

    • memory/2688-29-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2688-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2688-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2688-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2688-28-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2688-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2688-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2688-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2832-2-0x0000000004E90000-0x0000000004ED0000-memory.dmp

      Filesize

      256KB

    • memory/2832-1-0x00000000742C0000-0x00000000749AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2832-0-0x0000000000990000-0x0000000000A44000-memory.dmp

      Filesize

      720KB

    • memory/2832-3-0x0000000000220000-0x0000000000240000-memory.dmp

      Filesize

      128KB

    • memory/2832-5-0x0000000005060000-0x00000000050E4000-memory.dmp

      Filesize

      528KB

    • memory/2832-4-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/2832-30-0x00000000742C0000-0x00000000749AE000-memory.dmp

      Filesize

      6.9MB