Overview

overview

10

Static

static

1

499df614b6...3f.exe

windows7-x64

10

499df614b6...3f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 01:20

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General

  • Target

    499df614b640e6e6531f32ceb3271d7d661f5256d49f57e9d360a4791d37943f.exe

  • Size

    2.3MB

  • MD5

    634121b2af66dd5433c1155702abc84c

  • SHA1

    f3fd2a1800c4272bdf8209ff47e3703a4923e699

  • SHA256

    499df614b640e6e6531f32ceb3271d7d661f5256d49f57e9d360a4791d37943f

  • SHA512

    60786abdb281fe3f4fc4e242434fb280271684f13b683dc9cd32ac1a6e29ba496cea2c22ee1a82fa9dd6896f6530e9a0c07e2245ee35fc6100f7d684623bc805

  • SSDEEP

    12288:tuEAmDY2kyLG/XModp1HmKwHfX7ZWezHiLfdHcWJWnVMaKo9Nip2IiUlbtgfXD70:cM9y3QvpHiLFcVVMaP9Nip7lbtgfT70

Score
10/10
agentteslacredential_accessdiscoveryevasionexecutionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    u;4z3V.Iir1l

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 2 IoCs
    evasiontrojan
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • 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 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
  • Windows security modification 2 TTPs 3 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
    evasiontrojan
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\499df614b640e6e6531f32ceb3271d7d661f5256d49f57e9d360a4791d37943f.exe
    "C:\Users\Admin\AppData\Local\Temp\499df614b640e6e6531f32ceb3271d7d661f5256d49f57e9d360a4791d37943f.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 WriteProcessMemory
    • System policy modification
    PID:788
    • 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\499df614b640e6e6531f32ceb3271d7d661f5256d49f57e9d360a4791d37943f.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:836
    • 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:3656

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

2
T1552

Credentials In Files

2
T1552.001

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

2
T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pjmvpgcs.low.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

  • memory/788-1-0x000001764F1B0000-0x000001764F1C8000-memory.dmp

    Filesize

    96KB

    Download

  • memory/788-2-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/788-3-0x0000017650E30000-0x0000017650EC4000-memory.dmp

    Filesize

    592KB

    Download

  • memory/788-23-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/788-0-0x00007FFF42D93000-0x00007FFF42D95000-memory.dmp

    Filesize

    8KB

    Download

  • memory/836-22-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/836-16-0x00000205E8300000-0x00000205E8322000-memory.dmp

    Filesize

    136KB

    Download

  • memory/836-6-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/836-18-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/836-5-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3656-17-0x00000000057D0000-0x0000000005D74000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/3656-19-0x00000000052D0000-0x0000000005336000-memory.dmp

    Filesize

    408KB

    Download

  • memory/3656-4-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

    Download

  • memory/3656-24-0x00000000066D0000-0x0000000006720000-memory.dmp

    Filesize

    320KB

    Download

  • memory/3656-25-0x00000000067C0000-0x0000000006852000-memory.dmp

    Filesize

    584KB

    Download

  • memory/3656-26-0x0000000006750000-0x000000000675A000-memory.dmp

    Filesize

    40KB

    Download