Overview

overview

10

Static

static

RFQ_997055...ck.exe

windows7_x64

10

RFQ_997055...ck.exe

windows10_x64

10

Analysis

  • max time kernel
    129s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    28-09-2021 08:28

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General

  • Target

    RFQ_99705546,99805546_Mark Cansick.exe

  • Size

    567KB

  • MD5

    724bce9be00d521c9ae6075d50434b11

  • SHA1

    a95a26499d30f48ca0b23e17b7273b1e6b92f8ac

  • SHA256

    94bc5b095176ccf49917563287006f3efd903cac47d48e251f4f4554ee87c990

  • SHA512

    d4082a9eca3f687eef2a1873368d89afcdf88461c24c6e0378e7925000562800a02dd6194fa81fb0b1150114a5451cba6b168739ae2d389efe0b82613b4d50ba

Score
10/10
agentteslaevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.regalbelloit.com
  • Port:
    587
  • Username:
    user@regalbelloit.com
  • Password:
    OccWNGh9

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 3 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
  • 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 7 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ_99705546,99805546_Mark Cansick.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ_99705546,99805546_Mark Cansick.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:1756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ_99705546,99805546_Mark Cansick.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:724
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sucEaYWuNda" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4690.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:308
    • C:\Users\Admin\AppData\Local\Temp\RFQ_99705546,99805546_Mark Cansick.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ_99705546,99805546_Mark Cansick.exe"
      2⤵
        PID:1576
      • C:\Users\Admin\AppData\Local\Temp\RFQ_99705546,99805546_Mark Cansick.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ_99705546,99805546_Mark Cansick.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:540

    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

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/308-62-0x0000000000000000-mapping.dmp
      Download
    • memory/540-71-0x00000000048B1000-0x00000000048B2000-memory.dmp
      Filesize

      4KB

      Download
    • memory/540-68-0x00000000048B0000-0x00000000048B1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/540-65-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/540-64-0x000000000043787E-mapping.dmp
      Download
    • memory/540-63-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/724-69-0x00000000023B0000-0x0000000002FFA000-memory.dmp
      Filesize

      12.3MB

      Download
    • memory/724-61-0x0000000076961000-0x0000000076963000-memory.dmp
      Filesize

      8KB

      Download
    • memory/724-60-0x0000000000000000-mapping.dmp
      Download
    • memory/724-67-0x00000000023B0000-0x0000000002FFA000-memory.dmp
      Filesize

      12.3MB

      Download
    • memory/724-70-0x00000000023B0000-0x0000000002FFA000-memory.dmp
      Filesize

      12.3MB

      Download
    • memory/1756-59-0x0000000004480000-0x00000000044B9000-memory.dmp
      Filesize

      228KB

      Download
    • memory/1756-58-0x00000000054F0000-0x0000000005556000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1756-57-0x00000000003B0000-0x00000000003BE000-memory.dmp
      Filesize

      56KB

      Download
    • memory/1756-54-0x0000000000140000-0x0000000000141000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1756-56-0x00000000005D0000-0x00000000005D1000-memory.dmp
      Filesize

      4KB

      Download