Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 18:41

General

  • Target

    DHL INVOICE.scr.exe

  • Size

    1.2MB

  • MD5

    8235a9078656e3e8a8b90657749faa5e

  • SHA1

    77a1d0fa98939af1d551f90981b9793aa2fc8da3

  • SHA256

    2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48

  • SHA512

    18bbf82bb6904739c78426c3e9d7e7a32e8e7908bb92cb10eb1d5360638722d5bd289814bb349b05741d35c4ff43489524504cd777c01050054f272e7078ceac

  • SSDEEP

    24576:xw4bjw4biPl/hJxcpOUR9HsRia5T6yy7UHjR:xw4bjw4biPvSOEsYMOyEq

Malware Config

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.

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL INVOICE.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL INVOICE.scr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2012
    • 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\DHL INVOICE.scr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rjHjDRImY.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2512
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rjHjDRImY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6316.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2800
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2448
      • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2384

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp6316.tmp

      Filesize

      1KB

      MD5

      0f83da33fcf518f3437c328b26ec3fd2

      SHA1

      107ae7d3a18f80369e059e6a974a1a662e09e61d

      SHA256

      6c947af67b897557f377de666cd75313e73c7c49c630ffa4d1ffab5f63221773

      SHA512

      31612d4e0febb9cfcfabd43e1f854449b00dc4413a452bdc3727a8e37365c23b4df250534f9c0ac337774609cfbc859f58ea231f38e386b68c72078c1d580730

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

      Filesize

      7KB

      MD5

      5165976ebb9a46e8cba8e91caf97efeb

      SHA1

      db67be55f5b27afba8da531b60b94bfeece41f5d

      SHA256

      5988b5d15389f079c05dbe71aba03f5221ec16118b5a7e10a8640d920954f345

      SHA512

      e1cb6d5aeaa8f3317119f33963745ff7896e72c46e1b6fdefe7e4bc68bd926530bf997297be3bfcfe268b20672ce649177cc8abd17f5efbcc133a7fe556268ab

    • memory/2012-31-0x0000000074CD0000-0x00000000753BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2012-1-0x0000000001150000-0x000000000127E000-memory.dmp

      Filesize

      1.2MB

    • memory/2012-3-0x0000000074CD0000-0x00000000753BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2012-2-0x0000000000A70000-0x0000000000A8A000-memory.dmp

      Filesize

      104KB

    • memory/2012-4-0x0000000000A90000-0x0000000000AA0000-memory.dmp

      Filesize

      64KB

    • memory/2012-5-0x0000000005560000-0x00000000055E2000-memory.dmp

      Filesize

      520KB

    • memory/2012-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

      Filesize

      4KB

    • memory/2384-18-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2384-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2384-30-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2384-28-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2384-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2384-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2384-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2384-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB