Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2023 08:28

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.4268.14692.exe

  • Size

    811KB

  • MD5

    764fdeeae72acc95cf7dd67d18b5dcb1

  • SHA1

    8f743caab484d73cd0b61fe0054dfde201b93cc7

  • SHA256

    e412eefdae18fd9cbe6104af6a7fe7a544bb5a91d28c463ff2e4b33fa30c6628

  • SHA512

    4c1190eacfce0729f13ccab294b146910aa99d1a8fb553e3c771ba86006ce7646ee57de424c8311e001241db1ac6045035de9ac4c9f9e67240dc3646153b8c00

  • SSDEEP

    24576:U34/up+pJNYrq8AUOumbjekV+q6WfcvAYg:U38PJGaFbjrVj6WEvx

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4268.14692.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4268.14692.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YwYdAqYxrZ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1536
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YwYdAqYxrZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80D8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2200
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4268.14692.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4268.14692.exe"
      2⤵
        PID:540
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4268.14692.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4268.14692.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:864

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h4wfjgyd.rjr.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp80D8.tmp

      Filesize

      1KB

      MD5

      750719aed969898a1925a63e36f5b5d7

      SHA1

      bad4655aac522954ae358834aa14c661f16b060e

      SHA256

      735471f1a999801df79cbf53e98809d443dd3b11894cd14b054d67e465521e6c

      SHA512

      24a7010b92ec9168a54274c4e7ce1e76deab85c4950d4b10a154738fba625f8ba3fb7b6477cd3184c4df3a7c876b48ad620f8fa748e0a40330b3ec55d7aeba28

    • memory/864-74-0x00000000051A0000-0x00000000051B0000-memory.dmp

      Filesize

      64KB

    • memory/864-73-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/864-60-0x0000000006340000-0x0000000006390000-memory.dmp

      Filesize

      320KB

    • memory/864-39-0x00000000051A0000-0x00000000051B0000-memory.dmp

      Filesize

      64KB

    • memory/864-34-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/864-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1536-33-0x0000000005E30000-0x0000000005E96000-memory.dmp

      Filesize

      408KB

    • memory/1536-62-0x00000000077B0000-0x00000000077CA000-memory.dmp

      Filesize

      104KB

    • memory/1536-72-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1536-15-0x0000000002B80000-0x0000000002BB6000-memory.dmp

      Filesize

      216KB

    • memory/1536-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1536-18-0x0000000005660000-0x0000000005C88000-memory.dmp

      Filesize

      6.2MB

    • memory/1536-69-0x0000000007AD0000-0x0000000007AD8000-memory.dmp

      Filesize

      32KB

    • memory/1536-68-0x0000000007AF0000-0x0000000007B0A000-memory.dmp

      Filesize

      104KB

    • memory/1536-21-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

      Filesize

      64KB

    • memory/1536-19-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

      Filesize

      64KB

    • memory/1536-22-0x00000000054D0000-0x00000000054F2000-memory.dmp

      Filesize

      136KB

    • memory/1536-67-0x00000000079F0000-0x0000000007A04000-memory.dmp

      Filesize

      80KB

    • memory/1536-29-0x0000000005DC0000-0x0000000005E26000-memory.dmp

      Filesize

      408KB

    • memory/1536-66-0x00000000079E0000-0x00000000079EE000-memory.dmp

      Filesize

      56KB

    • memory/1536-65-0x00000000079B0000-0x00000000079C1000-memory.dmp

      Filesize

      68KB

    • memory/1536-64-0x0000000007A30000-0x0000000007AC6000-memory.dmp

      Filesize

      600KB

    • memory/1536-63-0x0000000007820000-0x000000000782A000-memory.dmp

      Filesize

      40KB

    • memory/1536-40-0x0000000005EA0000-0x00000000061F4000-memory.dmp

      Filesize

      3.3MB

    • memory/1536-61-0x0000000007DF0000-0x000000000846A000-memory.dmp

      Filesize

      6.5MB

    • memory/1536-59-0x0000000007670000-0x0000000007713000-memory.dmp

      Filesize

      652KB

    • memory/1536-41-0x0000000006480000-0x000000000649E000-memory.dmp

      Filesize

      120KB

    • memory/1536-42-0x00000000065A0000-0x00000000065EC000-memory.dmp

      Filesize

      304KB

    • memory/1536-44-0x000000007F2A0000-0x000000007F2B0000-memory.dmp

      Filesize

      64KB

    • memory/1536-45-0x0000000007410000-0x0000000007442000-memory.dmp

      Filesize

      200KB

    • memory/1536-46-0x0000000070E10000-0x0000000070E5C000-memory.dmp

      Filesize

      304KB

    • memory/1536-57-0x0000000007450000-0x000000000746E000-memory.dmp

      Filesize

      120KB

    • memory/1536-56-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

      Filesize

      64KB

    • memory/1536-58-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

      Filesize

      64KB

    • memory/4332-6-0x0000000005940000-0x0000000005958000-memory.dmp

      Filesize

      96KB

    • memory/4332-4-0x00000000054B0000-0x00000000054C0000-memory.dmp

      Filesize

      64KB

    • memory/4332-32-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/4332-9-0x0000000006BA0000-0x0000000006C1A000-memory.dmp

      Filesize

      488KB

    • memory/4332-5-0x0000000005550000-0x000000000555A000-memory.dmp

      Filesize

      40KB

    • memory/4332-0-0x0000000000AB0000-0x0000000000B82000-memory.dmp

      Filesize

      840KB

    • memory/4332-3-0x0000000005570000-0x0000000005602000-memory.dmp

      Filesize

      584KB

    • memory/4332-31-0x00000000054B0000-0x00000000054C0000-memory.dmp

      Filesize

      64KB

    • memory/4332-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/4332-8-0x0000000006750000-0x000000000675A000-memory.dmp

      Filesize

      40KB

    • memory/4332-7-0x0000000006740000-0x0000000006748000-memory.dmp

      Filesize

      32KB

    • memory/4332-10-0x0000000006860000-0x00000000068FC000-memory.dmp

      Filesize

      624KB

    • memory/4332-2-0x0000000005A80000-0x0000000006024000-memory.dmp

      Filesize

      5.6MB

    • memory/4332-1-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB