Overview

overview

10

Static

static

REQUEST FO...20.exe

windows7_x64

10

REQUEST FO...20.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    130s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:32

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General

  • Target

    REQUEST FOR PROPOSAL - KHAI QUOC TDR-05052020.exe

  • Size

    599KB

  • MD5

    99f2fcd36d14a8993a1f5af2cba8d2ed

  • SHA1

    acfad8fb18e290240ddc2be6157057e2a89d5bb9

  • SHA256

    27ef45a0e5db4ffe4e67ae3ce507aaf93e5618df7a12f1d443a5aea81cb2a895

  • SHA512

    8fe37906c97bbc4f6b440deee253c7068b43e7f6a0363c014b542bca41d2231fda6454bbcfd99af67108b758a6ca515a9cb996ecabdde7e1b432bbed4772dcfd

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    EQQDdWP2

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    EQQDdWP2

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR PROPOSAL - KHAI QUOC TDR-05052020.exe
    "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR PROPOSAL - KHAI QUOC TDR-05052020.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eyeuKLWfEyt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp805B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4092
    • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR PROPOSAL - KHAI QUOC TDR-05052020.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1652
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:444

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\REQUEST FOR PROPOSAL - KHAI QUOC TDR-05052020.exe.log
      Filesize

      1KB

      MD5

      400f1cc1a0a0ce1cdabda365ab3368ce

      SHA1

      1ecf683f14271d84f3b6063493dce00ff5f42075

      SHA256

      c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

      SHA512

      14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmp805B.tmp
      Filesize

      1KB

      MD5

      2a4a8b7df35fd26d1b289531c0b4b835

      SHA1

      1495499bad66cc4b3f7dbb189009c3a6f2f9f4cb

      SHA256

      76ab2e2cc8cce93be98881eaed2a79d3cc9c52d2f1bfedc18e837186661e7661

      SHA512

      48f95dc9b5965ec626cb4723691eba10fb9febd62c6298ba5c840ea2a3f71fad36cf24dde361731f47e6fcdae8bda4bb7a5959b56ec197e4f757043804f00925

      Download Submit
    • memory/444-141-0x0000000000000000-mapping.dmp
      Download
    • memory/1652-137-0x0000000000000000-mapping.dmp
      Download
    • memory/1652-138-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1652-140-0x00000000056B0000-0x0000000005716000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1652-142-0x00000000065C0000-0x0000000006610000-memory.dmp
      Filesize

      320KB

      Download
    • memory/2412-132-0x000000000B040000-0x000000000B0D2000-memory.dmp
      Filesize

      584KB

      Download
    • memory/2412-133-0x000000000B030000-0x000000000B03A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/2412-134-0x000000000E7B0000-0x000000000E84C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/2412-130-0x0000000000C20000-0x0000000000CBE000-memory.dmp
      Filesize

      632KB

      Download
    • memory/2412-131-0x000000000B3D0000-0x000000000B974000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/4092-135-0x0000000000000000-mapping.dmp
      Download