Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2024 11:40

General

  • Target

    DHLCBJ520818836689.pdf.exe

  • Size

    650KB

  • MD5

    114920a4c198638f361a9acf7830f301

  • SHA1

    4c3bd0dd2e0696f8f0cc3b069878380ee53e8af0

  • SHA256

    172799005230f9863cf5a2248248fc9ddcf1849a45d40c2f79ea1924bb14075c

  • SHA512

    7bdd4888a7eeaaf47da2ae637a6f136308e3bd7f8c8e1f4020e3631c28b56c1bc207915fd5de55833c1c551827294f4f1b16bb8ff107a3fbe67561768a768740

  • SSDEEP

    12288:1zsE+QCaydbw3L3hrwmB4EQeoOMbx17O5gd9qgEDDhEzPJo5FJlGWdWIh19CVyvy:8QCa2bwj1wDxpdogUWo+IHLvwGS

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHLCBJ520818836689.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DHLCBJ520818836689.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1952
    • 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\DHLCBJ520818836689.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3052
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OdAWbkGps.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2896
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OdAWbkGps" /XML "C:\Users\Admin\AppData\Local\Temp\tmpABE0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3220
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4060
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      5c22671598b1d112f1f77ced8578d2b7

      SHA1

      1f9c36e4b4631171d2155ee37186dbb32a99e070

      SHA256

      a0636a4a544b469a7fa3537e92499bd495dee70bb4e05093b34fcc2e1a13828c

      SHA512

      d0f7cabaf8f4456aa9a408e5f71c7f145082ec49c2df89f7c8a24c432377ad65264d76cd36a12cccff97360bff33a9e56cfd8e51b668e13fbb6517b47c50f48a

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4pytl5kx.t4e.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpABE0.tmp

      Filesize

      1KB

      MD5

      c1bbaa40765323c35dc58dbfa3a4478e

      SHA1

      94e44342656336cebb21c437e45bd5bbd833debf

      SHA256

      9fece1de10f990af47bcc05c1985db44fd082b863f316bdf5c430a0831643a52

      SHA512

      f11dfaadeab91039caa71afccf1b718be062282376533a5353a98ecf740ec9a30ba01a43f1c3ef0ba5cd0e6d91e0d28a06ec9a6a26849d635ffdb43d0131a918

    • memory/1952-9-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/1952-3-0x0000000004FE0000-0x0000000005072000-memory.dmp

      Filesize

      584KB

    • memory/1952-6-0x00000000065B0000-0x000000000664E000-memory.dmp

      Filesize

      632KB

    • memory/1952-7-0x0000000006960000-0x0000000006970000-memory.dmp

      Filesize

      64KB

    • memory/1952-8-0x000000007480E000-0x000000007480F000-memory.dmp

      Filesize

      4KB

    • memory/1952-50-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/1952-10-0x0000000006CD0000-0x0000000006D52000-memory.dmp

      Filesize

      520KB

    • memory/1952-11-0x0000000009370000-0x000000000940C000-memory.dmp

      Filesize

      624KB

    • memory/1952-0-0x000000007480E000-0x000000007480F000-memory.dmp

      Filesize

      4KB

    • memory/1952-5-0x0000000004F90000-0x0000000004F9A000-memory.dmp

      Filesize

      40KB

    • memory/1952-1-0x0000000000520000-0x00000000005C6000-memory.dmp

      Filesize

      664KB

    • memory/1952-4-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/1952-2-0x0000000005590000-0x0000000005B34000-memory.dmp

      Filesize

      5.6MB

    • memory/2564-48-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2564-91-0x0000000006470000-0x00000000064C0000-memory.dmp

      Filesize

      320KB

    • memory/2896-81-0x0000000007370000-0x0000000007384000-memory.dmp

      Filesize

      80KB

    • memory/2896-27-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/2896-43-0x0000000005F00000-0x0000000005F4C000-memory.dmp

      Filesize

      304KB

    • memory/2896-20-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/2896-79-0x0000000007330000-0x0000000007341000-memory.dmp

      Filesize

      68KB

    • memory/2896-90-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/2896-42-0x0000000005E10000-0x0000000005E2E000-memory.dmp

      Filesize

      120KB

    • memory/2896-62-0x00000000063A0000-0x00000000063BE000-memory.dmp

      Filesize

      120KB

    • memory/2896-82-0x0000000007470000-0x000000000748A000-memory.dmp

      Filesize

      104KB

    • memory/2896-83-0x0000000007450000-0x0000000007458000-memory.dmp

      Filesize

      32KB

    • memory/2896-26-0x0000000005880000-0x0000000005BD4000-memory.dmp

      Filesize

      3.3MB

    • memory/2896-63-0x0000000007040000-0x00000000070E3000-memory.dmp

      Filesize

      652KB

    • memory/2896-52-0x000000006FE10000-0x000000006FE5C000-memory.dmp

      Filesize

      304KB

    • memory/2896-51-0x0000000006440000-0x0000000006472000-memory.dmp

      Filesize

      200KB

    • memory/2896-80-0x0000000007360000-0x000000000736E000-memory.dmp

      Filesize

      56KB

    • memory/2896-75-0x0000000007130000-0x000000000714A000-memory.dmp

      Filesize

      104KB

    • memory/2896-74-0x0000000007780000-0x0000000007DFA000-memory.dmp

      Filesize

      6.5MB

    • memory/3052-16-0x00000000029A0000-0x00000000029D6000-memory.dmp

      Filesize

      216KB

    • memory/3052-77-0x0000000007840000-0x00000000078D6000-memory.dmp

      Filesize

      600KB

    • memory/3052-76-0x0000000007630000-0x000000000763A000-memory.dmp

      Filesize

      40KB

    • memory/3052-64-0x000000006FE10000-0x000000006FE5C000-memory.dmp

      Filesize

      304KB

    • memory/3052-25-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3052-22-0x00000000052D0000-0x00000000052F2000-memory.dmp

      Filesize

      136KB

    • memory/3052-23-0x0000000005370000-0x00000000053D6000-memory.dmp

      Filesize

      408KB

    • memory/3052-24-0x00000000053E0000-0x0000000005446000-memory.dmp

      Filesize

      408KB

    • memory/3052-19-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3052-86-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3052-17-0x0000000074800000-0x0000000074FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3052-18-0x00000000055C0000-0x0000000005BE8000-memory.dmp

      Filesize

      6.2MB