Analysis

  • max time kernel
    95s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2024 07:21

General

  • Target

    BOSSARD_ORDER_4923521.exe

  • Size

    853KB

  • MD5

    a9ea323ea2de4868acfb99b7959b54b6

  • SHA1

    b66217db6ffda157a9252611f6b1d528f76f0420

  • SHA256

    e17765cd72f6b95c8167f428ed734688d3b545c45c23e07407361e8979b49167

  • SHA512

    eff66d932ba7d246b20fe71da264ecbabb430d27bec97bbe258f0b4ca6a43843426f5251579b444ae5fd02fbcf8d9ee8cb9030c7e7c20727bb36e813e1b3117f

  • SSDEEP

    12288:27auaN1gTyQcG+yDXEdKemm6EIJtZcIuE4VGnYZzHmPKuDVFSrdtTJHlgrdm4Vzu:27sQclMXk6OVGn2zGS6VAd

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.

  • 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 3 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe
    "C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.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:2668
    • 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\BOSSARD_ORDER_4923521.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4656
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CkVzvA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4376
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CkVzvA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE995.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2772
    • C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe
      "C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe"
      2⤵
        PID:1264
      • C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe
        "C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1284

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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

      afcebd68113d621a4bb721aae48bd8ef

      SHA1

      8ed0caa60ee6ae7b3c4f0c2cbdf619394e14fb46

      SHA256

      f41c7693d87eb498b338fa4bcfab4c2f4c4b0275bc63cadd1c2027cb7aad5810

      SHA512

      00a119a93b33e63b63cd8f44a495192b657d20a93054d0375aed623aa881813e0e843c83d725f84c64a68be2dbb270a657c087681ee0b009f3d0685240f79aff

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_echz4sf3.n2h.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpE995.tmp

      Filesize

      1KB

      MD5

      c8d599eb807acb9a23b7b21942df03bd

      SHA1

      01b0e9c0011b1b7707edb9772a0612c9570e480d

      SHA256

      c3fd7578808576ba49c12b586be72771a2ee29746a3c0ba15bdde82fbaad78fd

      SHA512

      ef9612258b2de90834ce766be876eaba0041df8d9ecf817cc5f4682c2a77637385670119bfc41b158029b800f5d805b628ebe53c3033a01e1eddabb573a015e1

    • memory/1284-90-0x0000000006050000-0x00000000060A0000-memory.dmp

      Filesize

      320KB

    • memory/1284-37-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2668-7-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

      Filesize

      4KB

    • memory/2668-1-0x00000000003B0000-0x000000000048C000-memory.dmp

      Filesize

      880KB

    • memory/2668-8-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/2668-9-0x00000000067F0000-0x0000000006872000-memory.dmp

      Filesize

      520KB

    • memory/2668-10-0x0000000008E50000-0x0000000008EEC000-memory.dmp

      Filesize

      624KB

    • memory/2668-6-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

      Filesize

      64KB

    • memory/2668-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

      Filesize

      4KB

    • memory/2668-4-0x0000000004E50000-0x0000000004E5A000-memory.dmp

      Filesize

      40KB

    • memory/2668-5-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/2668-49-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/2668-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp

      Filesize

      584KB

    • memory/2668-2-0x00000000053B0000-0x0000000005954000-memory.dmp

      Filesize

      5.6MB

    • memory/4376-20-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/4376-23-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/4376-21-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/4376-79-0x00000000079B0000-0x00000000079BE000-memory.dmp

      Filesize

      56KB

    • memory/4376-63-0x000000006FDA0000-0x000000006FDEC000-memory.dmp

      Filesize

      304KB

    • memory/4376-77-0x0000000007A00000-0x0000000007A96000-memory.dmp

      Filesize

      600KB

    • memory/4376-76-0x00000000077F0000-0x00000000077FA000-memory.dmp

      Filesize

      40KB

    • memory/4376-75-0x0000000007780000-0x000000000779A000-memory.dmp

      Filesize

      104KB

    • memory/4376-89-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/4376-74-0x0000000007DD0000-0x000000000844A000-memory.dmp

      Filesize

      6.5MB

    • memory/4376-73-0x0000000007450000-0x00000000074F3000-memory.dmp

      Filesize

      652KB

    • memory/4656-16-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/4656-62-0x00000000063E0000-0x00000000063FE000-memory.dmp

      Filesize

      120KB

    • memory/4656-52-0x000000006FDA0000-0x000000006FDEC000-memory.dmp

      Filesize

      304KB

    • memory/4656-51-0x00000000063A0000-0x00000000063D2000-memory.dmp

      Filesize

      200KB

    • memory/4656-50-0x0000000006350000-0x000000000639C000-memory.dmp

      Filesize

      304KB

    • memory/4656-48-0x0000000005DB0000-0x0000000005DCE000-memory.dmp

      Filesize

      120KB

    • memory/4656-24-0x0000000004DF0000-0x0000000004E12000-memory.dmp

      Filesize

      136KB

    • memory/4656-30-0x00000000056C0000-0x0000000005726000-memory.dmp

      Filesize

      408KB

    • memory/4656-31-0x00000000057A0000-0x0000000005806000-memory.dmp

      Filesize

      408KB

    • memory/4656-78-0x00000000072E0000-0x00000000072F1000-memory.dmp

      Filesize

      68KB

    • memory/4656-36-0x0000000005910000-0x0000000005C64000-memory.dmp

      Filesize

      3.3MB

    • memory/4656-80-0x0000000007320000-0x0000000007334000-memory.dmp

      Filesize

      80KB

    • memory/4656-81-0x0000000007420000-0x000000000743A000-memory.dmp

      Filesize

      104KB

    • memory/4656-82-0x0000000007400000-0x0000000007408000-memory.dmp

      Filesize

      32KB

    • memory/4656-88-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/4656-19-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/4656-17-0x0000000004FE0000-0x0000000005608000-memory.dmp

      Filesize

      6.2MB

    • memory/4656-18-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/4656-15-0x00000000024E0000-0x0000000002516000-memory.dmp

      Filesize

      216KB