Overview

overview

10

Static

static

Quote#2020...df.exe

windows7_x64

10

Quote#2020...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:37

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General

  • Target

    Quote#20200722-DOC-7483920238.pdf.exe

  • Size

    733KB

  • MD5

    3afbbc638efdf9bfb6b623a8be5ec385

  • SHA1

    c6ee5c6197cf089443fd671cd478f19aa5f0445e

  • SHA256

    0c61ccf7de2d11caa06893b4addbfe04972e18696f23e46cc424a29fbae5ae2f

  • SHA512

    de9fe75a1b7705b9bbba3541c3cfef43c48fc339d0572dfa6dc59bd6c39d1b9885a8194a2ad5473ee1907fbc52e05ff79e576b12367ebdec9b794da7b25b479b

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Sages101*

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 5 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\Quote#20200722-DOC-7483920238.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Quote#20200722-DOC-7483920238.pdf.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wuyfxU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B66.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:988
    • C:\Users\Admin\AppData\Local\Temp\Quote#20200722-DOC-7483920238.pdf.exe
      "{path}"
      2⤵
        PID:768
      • C:\Users\Admin\AppData\Local\Temp\Quote#20200722-DOC-7483920238.pdf.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:772

    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

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    4
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    3
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9B66.tmp
      Filesize

      1KB

      MD5

      6bfd53639e2076486f382ce7c7831daf

      SHA1

      3c45160940ecbfc537e9d9b039e2081a38801464

      SHA256

      04a9351f000ef07a0f8031b596b4dea2df77a3867bacce4cff2ceec5c8630565

      SHA512

      004c6e8dc45ae92c39eaf43f73fbdfa296aef678ccf0a024f984c8db6a267eb3cfaa5211cc933e506954be40eda9463de43afef4745b536dc43bd9bb4f8d513a

      Download Submit
    • memory/772-64-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/772-60-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/772-61-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/772-63-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/772-65-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/772-66-0x000000000044701E-mapping.dmp
      Download
    • memory/772-68-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/772-70-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/988-58-0x0000000000000000-mapping.dmp
      Download
    • memory/2036-56-0x0000000000540000-0x0000000000594000-memory.dmp
      Filesize

      336KB

      Download
    • memory/2036-57-0x0000000075521000-0x0000000075523000-memory.dmp
      Filesize

      8KB

      Download
    • memory/2036-55-0x0000000000240000-0x0000000000248000-memory.dmp
      Filesize

      32KB

      Download
    • memory/2036-54-0x0000000000B40000-0x0000000000BFE000-memory.dmp
      Filesize

      760KB

      Download