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Overview

overview

10

Static

static

3

cfba93a947...77.exe

windows7-x64

10

cfba93a947...77.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 02:03

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General

  • Target

    cfba93a9477e61d500f14818cbdf57308ab79cc2ff29ffb89517859bb57e9877.exe

  • Size

    1.1MB

  • MD5

    b51437afc0839fd9a676a8f597bb7943

  • SHA1

    f92958eff0a0252baaa3bad70f2f9b392ccc5bb9

  • SHA256

    cfba93a9477e61d500f14818cbdf57308ab79cc2ff29ffb89517859bb57e9877

  • SHA512

    97f736094d97e50c4319925f7e8f8e59d2c14f371b294e9c2a28bc3a7ff2a6395ee04a0b37dcc34c83d46ae6d3ad365fb5e1d5d4b6f1bb92611c27a614cbf3ba

  • SSDEEP

    24576:1KzVtwfumPW2lQxQGFHKj3gBLV/ccVOjEXj39m:1KzVtw2mPB6uj3gL/TOjEBm

Score
10/10
agentteslaevasionexecutionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

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
  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables packed with or use KoiVM 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 3 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfba93a9477e61d500f14818cbdf57308ab79cc2ff29ffb89517859bb57e9877.exe
    "C:\Users\Admin\AppData\Local\Temp\cfba93a9477e61d500f14818cbdf57308ab79cc2ff29ffb89517859bb57e9877.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4324
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:4656
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5E7B.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4356
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • UAC bypass
        • Windows security bypass
        • Checks computer location settings
        • Executes dropped EXE
        • Windows security modification
        • Checks whether UAC is enabled
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:3016
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2076
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          4⤵
            PID:4312
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1448
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
            4⤵
              PID:2732

      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

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Scheduled Task/Job

      1
      T1053

      Privilege Escalation

      Abuse Elevation Control Mechanism

      1
      T1548

      Bypass User Account Control

      1
      T1548.002

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Scheduled Task/Job

      1
      T1053

      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

      5
      T1112

      Credential Access

      Discovery

      Query Registry

      2
      T1012

      System Information Discovery

      3
      T1082

      Lateral Movement

      Collection

      Command and Control

      Exfiltration

      Impact

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_so03y5uv.tke.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        Download Submit

      • C:\Users\Admin\AppData\Local\Temp\tmp5E7B.tmp.bat
        Filesize

        151B

        MD5

        e3b88e00f760234893b2a81429404f93

        SHA1

        cc943592848d24a4b5d9dcbbcab083d12deb70f9

        SHA256

        ac81ac0c7a85e897b102d5ba2adf3a663aed5d81b4cfcff46d4dfb7e417d30b8

        SHA512

        bced2081577237bd50f39a363a1925538a0836a1b2ad2600a91c14a3cd50f2ef0ed744b1e5aea253c536be3530655569bd2cc02aec7a572feb31574089030d2d

        Download Submit

      • C:\Users\Admin\AppData\Roaming\svchost.exe
        Filesize

        448KB

        MD5

        0cce02a5331b06dcdb0a411392fa9766

        SHA1

        64223ae7a2c3319e696a21977dd7598598c070ab

        SHA256

        defbdc5a787a315fa1ba4935849de95ff90bf4d1994d1a21578a17dff5156bbc

        SHA512

        0b7897018e1e58192683cf86d8a5c00be1174a4fdd3954e3965e1b1e86b54714a63a88d37dd78ab11f7f4979740d81412a321f6ba0059c200e55fb29c484572b

        Download Submit

      • C:\Users\Admin\AppData\Roaming\svchost.exe
        Filesize

        1.1MB

        MD5

        b51437afc0839fd9a676a8f597bb7943

        SHA1

        f92958eff0a0252baaa3bad70f2f9b392ccc5bb9

        SHA256

        cfba93a9477e61d500f14818cbdf57308ab79cc2ff29ffb89517859bb57e9877

        SHA512

        97f736094d97e50c4319925f7e8f8e59d2c14f371b294e9c2a28bc3a7ff2a6395ee04a0b37dcc34c83d46ae6d3ad365fb5e1d5d4b6f1bb92611c27a614cbf3ba

        Download Submit

      • memory/1448-25-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

        Download

      • memory/1448-30-0x0000000006190000-0x000000000619A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/1448-29-0x0000000006200000-0x0000000006292000-memory.dmp

        Filesize

        584KB

        Download

      • memory/1448-28-0x0000000006110000-0x0000000006160000-memory.dmp

        Filesize

        320KB

        Download

      • memory/1448-27-0x0000000005320000-0x0000000005386000-memory.dmp

        Filesize

        408KB

        Download

      • memory/1448-26-0x0000000005710000-0x0000000005CB4000-memory.dmp

        Filesize

        5.6MB

        Download

      • memory/2076-19-0x000001FFF4D60000-0x000001FFF4D82000-memory.dmp

        Filesize

        136KB

        Download

      • memory/5112-0-0x000001A17D240000-0x000001A17D2C6000-memory.dmp

        Filesize

        536KB

        Download

      • memory/5112-9-0x00007FFB22C00000-0x00007FFB236C1000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/5112-3-0x00007FFB22C00000-0x00007FFB236C1000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/5112-2-0x000001A17F790000-0x000001A17F826000-memory.dmp

        Filesize

        600KB

        Download

      • memory/5112-1-0x00007FFB22C03000-0x00007FFB22C05000-memory.dmp

        Filesize

        8KB

        Download