Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 08:15

General

  • Target

    db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe

  • Size

    844KB

  • MD5

    e4aaca7e0fe69ced3fc467506885a9d9

  • SHA1

    dd9554514cba10808aa3e0f32c9f5f22c37e6995

  • SHA256

    db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc

  • SHA512

    8254f7c3844db4e95f98431a00c7795650b5c9720670aac178b87c2ac444c86e34bc84f53ffd59fda16781aab6fcc86fcf81850f007189ca65db2c61dfbdbbc5

  • SSDEEP

    24576:Vw4bjw4bajqV8d707FhxVROXXaeSA+oafS7:Vw4bjw4bajN0xPOCBfk

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bethesdakindergarten.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kindy6014587474

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • 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.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe
    "C:\Users\Admin\AppData\Local\Temp\db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4752
    • 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\db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3316
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eRkUBYSG.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4608
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eRkUBYSG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp580E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4108
    • C:\Users\Admin\AppData\Local\Temp\db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe
      "C:\Users\Admin\AppData\Local\Temp\db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3752
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4432

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ryywcynj.dvc.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp580E.tmp
      Filesize

      1KB

      MD5

      d4d1adf9a1ce46eeb8ef1f382b1c0e19

      SHA1

      14df023d198d2d4605fc920b19341e4d077ef29b

      SHA256

      e822798f9a298c198290413bacec422eb979563c4df7608dedde7420071b51a5

      SHA512

      5719ad6a043450018c58049dea3d22054a60b166be28420a5500224d824794c9b6e60eee79677dff678f6ff2cbef9136a3708c78f1c9aa4929d4f60567c175e2

    • memory/3316-50-0x0000000005C50000-0x0000000005C6E000-memory.dmp
      Filesize

      120KB

    • memory/3316-15-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/3316-87-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/3316-77-0x00000000070E0000-0x00000000070FA000-memory.dmp
      Filesize

      104KB

    • memory/3316-75-0x0000000007720000-0x0000000007D9A000-memory.dmp
      Filesize

      6.5MB

    • memory/3316-54-0x0000000071280000-0x00000000712CC000-memory.dmp
      Filesize

      304KB

    • memory/3316-52-0x00000000063A0000-0x00000000063D2000-memory.dmp
      Filesize

      200KB

    • memory/3316-51-0x0000000005E10000-0x0000000005E5C000-memory.dmp
      Filesize

      304KB

    • memory/3316-14-0x0000000002480000-0x00000000024B6000-memory.dmp
      Filesize

      216KB

    • memory/3316-79-0x0000000007380000-0x0000000007416000-memory.dmp
      Filesize

      600KB

    • memory/3316-17-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/3316-18-0x0000000004EF0000-0x0000000005518000-memory.dmp
      Filesize

      6.2MB

    • memory/3316-24-0x0000000004E10000-0x0000000004E32000-memory.dmp
      Filesize

      136KB

    • memory/3316-80-0x0000000007300000-0x0000000007311000-memory.dmp
      Filesize

      68KB

    • memory/3316-83-0x0000000007440000-0x000000000745A000-memory.dmp
      Filesize

      104KB

    • memory/3752-76-0x0000000006380000-0x00000000063D0000-memory.dmp
      Filesize

      320KB

    • memory/3752-27-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/4608-26-0x0000000006020000-0x0000000006086000-memory.dmp
      Filesize

      408KB

    • memory/4608-73-0x0000000006D40000-0x0000000006D5E000-memory.dmp
      Filesize

      120KB

    • memory/4608-88-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/4608-23-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/4608-84-0x0000000007DE0000-0x0000000007DE8000-memory.dmp
      Filesize

      32KB

    • memory/4608-20-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/4608-82-0x0000000007D00000-0x0000000007D14000-memory.dmp
      Filesize

      80KB

    • memory/4608-49-0x0000000006220000-0x0000000006574000-memory.dmp
      Filesize

      3.3MB

    • memory/4608-19-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/4608-81-0x0000000007CF0000-0x0000000007CFE000-memory.dmp
      Filesize

      56KB

    • memory/4608-78-0x0000000007B10000-0x0000000007B1A000-memory.dmp
      Filesize

      40KB

    • memory/4608-74-0x00000000077A0000-0x0000000007843000-memory.dmp
      Filesize

      652KB

    • memory/4608-53-0x0000000071280000-0x00000000712CC000-memory.dmp
      Filesize

      304KB

    • memory/4608-25-0x0000000005FB0000-0x0000000006016000-memory.dmp
      Filesize

      408KB

    • memory/4752-3-0x0000000005630000-0x00000000056C2000-memory.dmp
      Filesize

      584KB

    • memory/4752-7-0x0000000005BB0000-0x0000000005BCA000-memory.dmp
      Filesize

      104KB

    • memory/4752-6-0x0000000005860000-0x00000000058FC000-memory.dmp
      Filesize

      624KB

    • memory/4752-5-0x00000000055C0000-0x00000000055CA000-memory.dmp
      Filesize

      40KB

    • memory/4752-9-0x0000000006780000-0x0000000006804000-memory.dmp
      Filesize

      528KB

    • memory/4752-4-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/4752-8-0x0000000005850000-0x0000000005860000-memory.dmp
      Filesize

      64KB

    • memory/4752-12-0x0000000074C1E000-0x0000000074C1F000-memory.dmp
      Filesize

      4KB

    • memory/4752-40-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/4752-2-0x0000000005BE0000-0x0000000006184000-memory.dmp
      Filesize

      5.6MB

    • memory/4752-22-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/4752-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp
      Filesize

      4KB

    • memory/4752-1-0x0000000000AD0000-0x0000000000BA6000-memory.dmp
      Filesize

      856KB