Analysis

  • max time kernel
    120s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 06:39

General

  • Target

    QUOTATION 22589092.pdf.exe

  • Size

    707KB

  • MD5

    337f191b6b135a5f86e7b79cd29ab42b

  • SHA1

    cf9c3bd673010c18a6a87f98c0c39cb304e5cb4e

  • SHA256

    189d17c7572c0ad248cdbda9fb1fae17fcb30d4bd61ac6497ecc184340869e3a

  • SHA512

    340bfb956cd8ed391be6cd79b4fe570a66cd52a88fde83c4d34585fc1389655db67c8ad9077c3395f1deee520f37ef863506ac6f46796e527ebf087e58191e0f

  • SSDEEP

    12288:uchAckjwxQ/0blzCfx2aPbTqzreKfeCPEUo05sHvAkJ4:lk9mlz2x2OoreK7Pa052oY

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION 22589092.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION 22589092.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vdWUdVbk.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vdWUdVbk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp57FF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2676
    • C:\Users\Admin\AppData\Local\Temp\QUOTATION 22589092.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTATION 22589092.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp57FF.tmp

    Filesize

    1KB

    MD5

    f62ff26b47f33a25247cb9b450eded6a

    SHA1

    eb53bfb2e359d6bb749238538858d9812f5be20e

    SHA256

    81f38e28d26f7c68f975d96a43c781b13d618ebd6ca333caa070d0d3934ff084

    SHA512

    3f6473850d676845bae9bc04ef39204036f6f4c1a84e7a1e2668afa88e487c5ba8e7f5fe52b780cd91c461950517573f060009841d23f7f24022afaa8f4db524

  • memory/2648-35-0x000000006F150000-0x000000006F6FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2648-34-0x000000006F150000-0x000000006F6FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2648-37-0x000000006F150000-0x000000006F6FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2648-36-0x0000000000590000-0x00000000005D0000-memory.dmp

    Filesize

    256KB

  • memory/2684-32-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-38-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-33-0x0000000004800000-0x0000000004840000-memory.dmp

    Filesize

    256KB

  • memory/2684-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2684-39-0x0000000004800000-0x0000000004840000-memory.dmp

    Filesize

    256KB

  • memory/2684-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2684-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2684-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2684-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2684-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2684-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2684-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2972-6-0x00000000004A0000-0x00000000004AA000-memory.dmp

    Filesize

    40KB

  • memory/2972-29-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2972-8-0x0000000005800000-0x000000000587C000-memory.dmp

    Filesize

    496KB

  • memory/2972-7-0x00000000004C0000-0x00000000004CC000-memory.dmp

    Filesize

    48KB

  • memory/2972-0-0x0000000000120000-0x00000000001D6000-memory.dmp

    Filesize

    728KB

  • memory/2972-5-0x00000000047A0000-0x00000000047E0000-memory.dmp

    Filesize

    256KB

  • memory/2972-4-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2972-3-0x0000000000380000-0x0000000000396000-memory.dmp

    Filesize

    88KB

  • memory/2972-2-0x00000000047A0000-0x00000000047E0000-memory.dmp

    Filesize

    256KB

  • memory/2972-1-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB