Overview

overview

10

Static

static

P&I_Circularpdf.exe

windows7_x64

10

P&I_Circularpdf.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:35

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General

  • Target

    P&I_Circularpdf.exe

  • Size

    926KB

  • MD5

    cf0c599dca5b3adb02a92b94f6927f5b

  • SHA1

    57cbfe68c8f411bd283b042243b8751cca1bb15e

  • SHA256

    0444729289d8a3c480eb3f29e936f29d048f69c71a691b20489e50890fa22983

  • SHA512

    f383eeda78644b966baad5be489e7a65d734d93b815420d4e0fe3920a8ee20dddcd14a40397d135f780ac7816a50db2ea32661bb9a81b803ab92f2ea0dfd1c22

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    secure231.servconfig.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    eltaefSH6548883

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 11 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\P&I_Circularpdf.exe
    "C:\Users\Admin\AppData\Local\Temp\P&I_Circularpdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4608
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pDJzCcZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A74.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4780
    • C:\Users\Admin\AppData\Local\Temp\P&I_Circularpdf.exe
      "{path}"
      2⤵
        PID:4376
      • C:\Users\Admin\AppData\Local\Temp\P&I_Circularpdf.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:4360
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:2128

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Credential Access

      Credentials in Files

      3
      T1081

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Lateral Movement

      Collection

      Data from Local System

      3
      T1005

      Email Collection

      1
      T1114

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp5A74.tmp
        Filesize

        1KB

        MD5

        5f9beb1c1699ed949e32c9abd5f15ab9

        SHA1

        649c872ecafa41eade112d8b97918869d4693bd0

        SHA256

        d104a530b1c100a0caccbb35473cf4aed638b917c4169fc4408fb2a1d59dd85c

        SHA512

        014c7b882e52b5505e1279ee5ba650dd10c71a884c51fdb828a4cfde1cff2a52fb5b81f302788101a7f53a5df06b41bdc3b67eb90675536d48676b34aa76a07d

        Download Submit
      • memory/2128-141-0x0000000000000000-mapping.dmp
        Download
      • memory/4360-137-0x0000000000000000-mapping.dmp
        Download
      • memory/4360-138-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

        Download
      • memory/4360-139-0x0000000006640000-0x00000000066A6000-memory.dmp
        Filesize

        408KB

        Download
      • memory/4360-140-0x0000000006CF0000-0x0000000006D40000-memory.dmp
        Filesize

        320KB

        Download
      • memory/4376-136-0x0000000000000000-mapping.dmp
        Download
      • memory/4608-130-0x0000000000DE0000-0x0000000000ECE000-memory.dmp
        Filesize

        952KB

        Download
      • memory/4608-131-0x0000000008490000-0x0000000008A34000-memory.dmp
        Filesize

        5.6MB

        Download
      • memory/4608-132-0x0000000008100000-0x0000000008192000-memory.dmp
        Filesize

        584KB

        Download
      • memory/4608-133-0x0000000008240000-0x00000000082DC000-memory.dmp
        Filesize

        624KB

        Download
      • memory/4780-134-0x0000000000000000-mapping.dmp
        Download