Analysis

  • max time kernel
    17s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 19:45

General

  • Target

    INVOICE & AWB #5291760_pdf.exe

  • Size

    639KB

  • MD5

    c60068fde058f588a2b7fe236cfbc0e9

  • SHA1

    d5b3d029b3645a1f2cbf14ec1d134276e47d60e2

  • SHA256

    a75840200db6ba9313053ab15551f6c758d78ac9ffbe75ede0f36e744eaed24b

  • SHA512

    146f766575aa3f81a4d90247871e17cd99bb572720f1a5b72a0ace9140476556d321e82526176bc831eefd029253c5fa627eb7ba78bbd73e2c080447fa2249c0

  • SSDEEP

    12288:CE5QaueH5qjR82KUIdsNQ3GZDlOPk9JiPB7a4pZ5fBJfOUmtakjg7s:CE3qjWsI6wKo44PBu8Z5L2Umtaks

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB #5291760_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB #5291760_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3064
    • 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\INVOICE & AWB #5291760_pdf.exe"
      2⤵
        PID:2788
      • C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB #5291760_pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB #5291760_pdf.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2804

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2788-28-0x000000006EF90000-0x000000006F53B000-memory.dmp

      Filesize

      5.7MB

    • memory/2788-27-0x000000006EF90000-0x000000006F53B000-memory.dmp

      Filesize

      5.7MB

    • memory/2788-30-0x000000006EF90000-0x000000006F53B000-memory.dmp

      Filesize

      5.7MB

    • memory/2788-29-0x0000000002970000-0x00000000029B0000-memory.dmp

      Filesize

      256KB

    • memory/2804-26-0x00000000048C0000-0x0000000004900000-memory.dmp

      Filesize

      256KB

    • memory/2804-31-0x0000000074170000-0x000000007485E000-memory.dmp

      Filesize

      6.9MB

    • memory/2804-23-0x0000000074170000-0x000000007485E000-memory.dmp

      Filesize

      6.9MB

    • memory/2804-9-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2804-7-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2804-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2804-13-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2804-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2804-17-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2804-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2804-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3064-5-0x0000000000720000-0x000000000072A000-memory.dmp

      Filesize

      40KB

    • memory/3064-22-0x0000000074170000-0x000000007485E000-memory.dmp

      Filesize

      6.9MB

    • memory/3064-6-0x0000000005040000-0x00000000050BA000-memory.dmp

      Filesize

      488KB

    • memory/3064-0-0x0000000000DA0000-0x0000000000E44000-memory.dmp

      Filesize

      656KB

    • memory/3064-4-0x00000000006B0000-0x00000000006B8000-memory.dmp

      Filesize

      32KB

    • memory/3064-3-0x0000000000700000-0x000000000071A000-memory.dmp

      Filesize

      104KB

    • memory/3064-2-0x0000000000BF0000-0x0000000000C30000-memory.dmp

      Filesize

      256KB

    • memory/3064-1-0x0000000074170000-0x000000007485E000-memory.dmp

      Filesize

      6.9MB