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Overview

overview

10

Static

static

3

bf195309d3...7c.exe

windows7-x64

10

bf195309d3...7c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/12/2024, 01:03

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General

  • Target

    bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe

  • Size

    637KB

  • MD5

    5888e0f00806e549fa181e11614b29b6

  • SHA1

    c71c74911cb2d2ab8a535be7697c7f02336d67d1

  • SHA256

    bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c

  • SHA512

    287a004cd34e505705970bc161c9eee67ebe6e1213708c3b64cb6c95f610e599f6b76b4aa1b6d5bbeaf834410cfebc0d208395c8027ca732c37c24a5970e2263

  • SSDEEP

    12288:oAn15OllT6k2neIurJxvBWN8LZwOItwFgaDEk/J0Z2s+5eCtqyt/RxyRbi0x74:vIiDudxv4NEZHjdaZ2s+RPpxyRbi0t4

Score
10/10
agenttesladiscoveryevasionexecutionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7238823286:AAHUVsvFbx3L7yfxJB-f5BMs6WFzLbndzzw/

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Agenttesla family
    agenttesla
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 2 IoCs
    evasiontrojan
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Windows security modification 2 TTPs 3 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
    evasiontrojan
  • 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 1 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe
    "C:\Users\Admin\AppData\Local\Temp\bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3576
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4984
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
        PID:5060
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2760

    Network

    MITRE ATT&CK Enterprise v15

    Reconnaissance

    Resource Development

    Initial Access

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Persistence

    Privilege Escalation

    Abuse Elevation Control Mechanism

    1
    T1548

    Bypass User Account Control

    1
    T1548.002

    Defense Evasion

    Abuse Elevation Control Mechanism

    1
    T1548

    Bypass User Account Control

    1
    T1548.002

    Impair Defenses

    3
    T1562

    Disable or Modify Tools

    3
    T1562.001

    Modify Registry

    4
    T1112

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials from Password Stores

    1
    T1555

    Credentials from Web Browsers

    1
    T1555.003

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Peripheral Device Discovery

    1
    T1120

    Query Registry

    5
    T1012

    System Information Discovery

    5
    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

    Command and Control

    Exfiltration

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rbklgz0y.1ld.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit

    • memory/2760-25-0x0000000005E80000-0x0000000005E8A000-memory.dmp

      Filesize

      40KB

      Download

    • memory/2760-24-0x0000000005EA0000-0x0000000005F32000-memory.dmp

      Filesize

      584KB

      Download

    • memory/2760-23-0x0000000005D70000-0x0000000005DC0000-memory.dmp

      Filesize

      320KB

      Download

    • memory/2760-21-0x0000000004FC0000-0x0000000005026000-memory.dmp

      Filesize

      408KB

      Download

    • memory/2760-20-0x0000000005470000-0x0000000005A14000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/2760-16-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

      Download

    • memory/3576-22-0x00007FFCC6060000-0x00007FFCC6B21000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3576-0-0x00007FFCC6063000-0x00007FFCC6065000-memory.dmp

      Filesize

      8KB

      Download

    • memory/3576-3-0x0000014AF3540000-0x0000014AF35D4000-memory.dmp

      Filesize

      592KB

      Download

    • memory/3576-2-0x00007FFCC6060000-0x00007FFCC6B21000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3576-1-0x0000014AD7E10000-0x0000014AD7E24000-memory.dmp

      Filesize

      80KB

      Download

    • memory/4984-11-0x0000010DBDE30000-0x0000010DBDE52000-memory.dmp

      Filesize

      136KB

      Download

    • memory/4984-19-0x00007FFCC6060000-0x00007FFCC6B21000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4984-5-0x00007FFCC6060000-0x00007FFCC6B21000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4984-4-0x00007FFCC6060000-0x00007FFCC6B21000-memory.dmp

      Filesize

      10.8MB

      Download