Overview

overview

10

Static

static

DOC pdf..exe

windows7_x64

10

DOC pdf..exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:44

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General

  • Target

    DOC pdf..exe

  • Size

    918KB

  • MD5

    340263e4f03dadf6093525e05933334d

  • SHA1

    7c799fcf02eecb989f7a9b7389c42372aceaf6f2

  • SHA256

    9df842f4e228e241a4ca99bdf11e32cdf4c9d549f581d0b25b27271106db76d0

  • SHA512

    99c531bfcdbbe18b719921d2deefbe61afdc2220fa293dff83fdfb71bb823f2f30dba0b5e55331aae686a470aeec237faff4451ea16dcce4412ecc10eee7743b

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.daafco.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Rawan!@#

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 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\DOC pdf..exe
    "C:\Users\Admin\AppData\Local\Temp\DOC pdf..exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBE8D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4552
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:4444
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
        • Drops file in Drivers directory
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:4516
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
          3⤵
          • Modifies registry key
          PID:1128

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    2
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpBE8D.tmp
      Filesize

      1KB

      MD5

      072541fbcc0f05e7e00afb8876087822

      SHA1

      0a1a6ad25a4a546520fe21bed23b4dd56f5ea7f5

      SHA256

      8a98b2e2084e096028123a79228bc1b11f12179aecfbe53759b3e0805f973116

      SHA512

      07074f512ee920a787af3d49d982795121051cc5cd1ce01d115aab63cd800fd58f2f57e73dafb96151e57ada9d2e407e370abc9c56d8ab604d118dad93c1412d

      Download Submit
    • memory/1128-141-0x0000000000000000-mapping.dmp
      Download
    • memory/4444-135-0x0000000000000000-mapping.dmp
      Download
    • memory/4516-139-0x0000000005A50000-0x0000000005AB6000-memory.dmp
      Filesize

      408KB

      Download
    • memory/4516-136-0x0000000000000000-mapping.dmp
      Download
    • memory/4516-137-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/4516-138-0x0000000005AC0000-0x0000000006064000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/4516-140-0x00000000067E0000-0x0000000006830000-memory.dmp
      Filesize

      320KB

      Download
    • memory/4516-142-0x0000000006870000-0x000000000687A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/4552-133-0x0000000000000000-mapping.dmp
      Download
    • memory/4696-132-0x0000000007930000-0x00000000079C2000-memory.dmp
      Filesize

      584KB

      Download
    • memory/4696-130-0x0000000000520000-0x000000000060C000-memory.dmp
      Filesize

      944KB

      Download
    • memory/4696-131-0x00000000077F0000-0x000000000788C000-memory.dmp
      Filesize

      624KB

      Download