Overview

overview

10

Static

static

IMG 24344 ...DF.exe

windows7_x64

10

IMG 24344 ...DF.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    90s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:14

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General

  • Target

    IMG 24344 NEW ORDER_PDF.exe

  • Size

    522KB

  • MD5

    738cc68cbed4ce5180c71952b86acbfe

  • SHA1

    1690297c53df2847bef42b5bef74c2afab4204eb

  • SHA256

    64f1939cbe2828095ccb96973565bebe5a2cbf3baf78aaadd2492eb654415264

  • SHA512

    4951c829a08aa07619bda202a4a5e48d3f3d16f33806e1c92b7e66c3488243f13817875ef4c9fd9bdd13bbed068824afa54154351208ba00c056604952f45368

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.candenizcilik.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    519025

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 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.

  • 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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG 24344 NEW ORDER_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG 24344 NEW ORDER_PDF.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oIRXsmtHo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC0C4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1424
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:892
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:4588

    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

    Discovery

    Query Registry

    5
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    4
    T1082

    Peripheral Device Discovery

    1
    T1120

    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\tmpC0C4.tmp
      Filesize

      1KB

      MD5

      d9bc3232e16f0f050e91df787187f4b9

      SHA1

      0055e5d6cb208ee3cd7b938876a4ef858cad9a4c

      SHA256

      12bd2bb312abffc308eb423fd27d63419b30eb3dc66aeaae857e5d09324a4549

      SHA512

      2def97a2cdaf39bbcf6db441006ae45510acd83115e2ff5386868bbf60ca61d553c7f1cb60f0bd95492455c09791ae7172a9a25768b47f82815090128ccbc4fb

      Download Submit
    • memory/892-133-0x0000000000000000-mapping.dmp
      Download
    • memory/892-134-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/892-135-0x00000000753E0000-0x0000000075991000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1424-131-0x0000000000000000-mapping.dmp
      Download
    • memory/4384-130-0x00000000753E0000-0x0000000075991000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4588-136-0x0000000000000000-mapping.dmp
      Download