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Overview

overview

10

Static

static

3

56a1e18a18...98.exe

windows7-x64

10

56a1e18a18...98.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    127s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2024, 01:14

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General

  • Target

    56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe

  • Size

    537KB

  • MD5

    41c493db90654f1023942e02a66ffd40

  • SHA1

    d862de6446a813a842cf62a7b520832504776bea

  • SHA256

    56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498

  • SHA512

    c3d2f2b026dce55c12efd0be35906b6db4da48b75a996c4e2c6734524cbfc7ba960ce43285e959140e7f4d0d99823be2406f4878671188d6e44d9c2c9a7121e3

  • SSDEEP

    12288:MIc/zMh+Lv+Jiw/Ij2pEL+I3BwBICN2HhhY:Mj/oh+D+0we2pELFuZNAhhY

Score
10/10
agentteslacollectioncredential_accessdiscoveryevasionexecutionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    webmail.karanex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Oi&-tmhj@d5v

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Agenttesla family
    agenttesla
  • AgentTesla payload 5 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

    spywarestealer
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

    credential_accessstealer
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe
    "C:\Users\Admin\AppData\Local\Temp\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1924
    • 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\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2864
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sbpgrrZobTQq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5476.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2644
    • C:\Users\Admin\AppData\Local\Temp\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe
      "C:\Users\Admin\AppData\Local\Temp\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe"
      2⤵
        PID:2704
      • C:\Users\Admin\AppData\Local\Temp\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe
        "C:\Users\Admin\AppData\Local\Temp\56a1e18a188402f229f64dfa5078e90e2f1845b2862504d0e7b209bb0578f498.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2748

    Network

    MITRE ATT&CK Enterprise v15

    Reconnaissance

    Resource Development

    Initial Access

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Persistence

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials from Password Stores

    1
    T1555

    Credentials from Web Browsers

    1
    T1555.003

    Unsecured Credentials

    5
    T1552

    Credentials In Files

    4
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Peripheral Device Discovery

    1
    T1120

    Query Registry

    4
    T1012

    System Information Discovery

    3
    T1082

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    Virtualization/Sandbox Evasion

    2
    T1497

    Lateral Movement

    Collection

    Data from Local System

    4
    T1005

    Email Collection

    1
    T1114

    Command and Control

    Exfiltration

    Impact

    Replay Monitor

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    Downloads

    • memory/1924-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1924-1-0x00000000010F0000-0x000000000117C000-memory.dmp

      Filesize

      560KB

      Download

    • memory/1924-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

      Filesize

      6.9MB

      Download

    • memory/1924-3-0x0000000000580000-0x000000000058E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1924-4-0x00000000740CE000-0x00000000740CF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1924-5-0x00000000740C0000-0x00000000747AE000-memory.dmp

      Filesize

      6.9MB

      Download

    • memory/1924-6-0x0000000004E30000-0x0000000004E90000-memory.dmp

      Filesize

      384KB

      Download

    • memory/1924-27-0x00000000740C0000-0x00000000747AE000-memory.dmp

      Filesize

      6.9MB

      Download

    • memory/2748-16-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

      Download

    • memory/2748-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2748-20-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

      Download

    • memory/2748-18-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

      Download

    • memory/2748-14-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

      Download

    • memory/2748-23-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

      Download

    • memory/2748-26-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

      Download

    • memory/2748-24-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

      Download