Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2024, 10:33

General

  • Target
    Payment Notification xlx PDF.exe
  • Size 677KB
  • Sample240408-mljdjsac91
  • SHA256 29c3845ba540fbe8288c0d4c2f4ab65ec9d0ef646f9df8b684a64f5df60bf3ea
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    PMOYQrU0

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.

  • Looks up external IP address via web service 1 IoCs

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

  • 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Notification xlx PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Notification xlx PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1732
    • 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\Payment Notification xlx PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4700
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DsBmQivPl.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4016
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DsBmQivPl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA325.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5116
    • C:\Users\Admin\AppData\Local\Temp\Payment Notification xlx PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Notification xlx PDF.exe"
      2⤵
        PID:3256
      • C:\Users\Admin\AppData\Local\Temp\Payment Notification xlx PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Notification xlx PDF.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3696
    • 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=4140 --field-trial-handle=2228,i,8155065313278028490,17854605419281052753,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3372

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
            • MD5 SHA1 SHA512

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 c5cabea8fa023cabca86c008eb00c77d78199ea40df3c25b7f7d498bd9ab829b
            • MD5 SHA1 SHA512 SSDEEP

            __PSScriptPolicyTest_ilmcagfp.bc3.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ilmcagfp.bc3.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            tmpA325.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmpA325.tmp
            • Size 1KB
            • SHA256 ec66f031573367adf147dc38099b94f0b352d023f024c9ee44b0631d72a445b4
            • MD5 SHA1 SHA512

            memory/1732-10-0x0000000006AD0000-0x0000000006B54000-memory.dmp

            memory/1732-4-0x00000000058A0000-0x00000000058B0000-memory.dmp

            memory/1732-6-0x00000000059A0000-0x0000000005A3C000-memory.dmp

            memory/1732-7-0x0000000005870000-0x000000000588C000-memory.dmp

            memory/1732-8-0x0000000005C80000-0x0000000005C88000-memory.dmp

            memory/1732-9-0x0000000003060000-0x000000000306C000-memory.dmp

            memory/1732-0-0x0000000000BD0000-0x0000000000C80000-memory.dmp

            memory/1732-47-0x0000000074920000-0x00000000750D0000-memory.dmp

            memory/1732-50-0x0000000074920000-0x00000000750D0000-memory.dmp

            memory/1732-5-0x0000000005710000-0x000000000571A000-memory.dmp

            memory/1732-3-0x0000000005670000-0x0000000005702000-memory.dmp

            memory/1732-2-0x0000000005D20000-0x00000000062C4000-memory.dmp

            memory/1732-1-0x0000000074920000-0x00000000750D0000-memory.dmp

            memory/1732-51-0x00000000058A0000-0x00000000058B0000-memory.dmp

            memory/3696-49-0x0000000074920000-0x00000000750D0000-memory.dmp

            memory/3696-87-0x0000000006F00000-0x0000000006F50000-memory.dmp

            memory/3696-97-0x0000000074920000-0x00000000750D0000-memory.dmp

            memory/3696-98-0x0000000005990000-0x00000000059A0000-memory.dmp

            memory/3696-45-0x0000000000400000-0x0000000000442000-memory.dmp

            memory/4016-82-0x0000000007AD0000-0x0000000007ADA000-memory.dmp

            memory/4016-25-0x0000000006040000-0x00000000060A6000-memory.dmp

            memory/4016-96-0x0000000074920000-0x00000000750D0000-memory.dmp

            memory/4016-31-0x0000000006120000-0x0000000006186000-memory.dmp

            memory/4016-24-0x0000000005FA0000-0x0000000005FC2000-memory.dmp

            memory/4016-22-0x0000000074920000-0x00000000750D0000-memory.dmp

            memory/4016-21-0x0000000005300000-0x0000000005310000-memory.dmp

            memory/4016-52-0x0000000006740000-0x000000000675E000-memory.dmp

            memory/4016-53-0x0000000006790000-0x00000000067DC000-memory.dmp

            memory/4016-80-0x00000000080A0000-0x000000000871A000-memory.dmp

            memory/4016-89-0x0000000007D80000-0x0000000007D88000-memory.dmp

            memory/4016-85-0x0000000007C90000-0x0000000007C9E000-memory.dmp

            memory/4016-84-0x0000000007C60000-0x0000000007C71000-memory.dmp

            memory/4016-57-0x000000007FC10000-0x000000007FC20000-memory.dmp

            memory/4016-69-0x0000000075180000-0x00000000751CC000-memory.dmp

            memory/4016-20-0x0000000005300000-0x0000000005310000-memory.dmp

            memory/4016-81-0x0000000007A60000-0x0000000007A7A000-memory.dmp

            memory/4700-54-0x0000000004B10000-0x0000000004B20000-memory.dmp

            memory/4700-79-0x00000000071A0000-0x0000000007243000-memory.dmp

            memory/4700-68-0x0000000006550000-0x000000000656E000-memory.dmp

            memory/4700-83-0x0000000007530000-0x00000000075C6000-memory.dmp

            memory/4700-58-0x0000000075180000-0x00000000751CC000-memory.dmp

            memory/4700-56-0x0000000006570000-0x00000000065A2000-memory.dmp

            memory/4700-86-0x00000000074F0000-0x0000000007504000-memory.dmp

            memory/4700-19-0x0000000004B10000-0x0000000004B20000-memory.dmp

            memory/4700-88-0x00000000075F0000-0x000000000760A000-memory.dmp

            memory/4700-55-0x000000007F650000-0x000000007F660000-memory.dmp

            memory/4700-18-0x0000000005150000-0x0000000005778000-memory.dmp

            memory/4700-17-0x0000000004B10000-0x0000000004B20000-memory.dmp

            memory/4700-46-0x0000000005980000-0x0000000005CD4000-memory.dmp

            memory/4700-95-0x0000000074920000-0x00000000750D0000-memory.dmp

            memory/4700-16-0x0000000074920000-0x00000000750D0000-memory.dmp

            memory/4700-15-0x00000000049B0000-0x00000000049E6000-memory.dmp