Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 18:40

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.

  • 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).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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:2944
    • 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⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2068
    • 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:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2068-23-0x000000006F160000-0x000000006F70B000-memory.dmp

    Filesize

    5.7MB

  • memory/2068-26-0x000000006F160000-0x000000006F70B000-memory.dmp

    Filesize

    5.7MB

  • memory/2068-25-0x0000000002620000-0x0000000002660000-memory.dmp

    Filesize

    256KB

  • memory/2068-24-0x000000006F160000-0x000000006F70B000-memory.dmp

    Filesize

    5.7MB

  • memory/2876-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2876-20-0x0000000004860000-0x00000000048A0000-memory.dmp

    Filesize

    256KB

  • memory/2876-28-0x0000000004860000-0x00000000048A0000-memory.dmp

    Filesize

    256KB

  • memory/2876-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2876-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2876-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2876-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2876-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2876-27-0x0000000074110000-0x00000000747FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-19-0x0000000074110000-0x00000000747FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2876-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2944-16-0x0000000074110000-0x00000000747FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2944-5-0x00000000002C0000-0x00000000002CA000-memory.dmp

    Filesize

    40KB

  • memory/2944-4-0x0000000000230000-0x0000000000238000-memory.dmp

    Filesize

    32KB

  • memory/2944-3-0x0000000000460000-0x000000000047A000-memory.dmp

    Filesize

    104KB

  • memory/2944-2-0x00000000050D0000-0x0000000005110000-memory.dmp

    Filesize

    256KB

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

    Filesize

    6.9MB

  • memory/2944-0-0x0000000000CF0000-0x0000000000D94000-memory.dmp

    Filesize

    656KB

  • memory/2944-6-0x0000000005210000-0x000000000528A000-memory.dmp

    Filesize

    488KB