Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 09:46

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:4048
    • 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:4668
    • 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:4076
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CkVzvA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD561.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2436
    • C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe
      "C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe"
      2⤵
        PID:3764
      • 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:2452

    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

      f974aa8311fe085eb69d8a4c13e4b159

      SHA1

      09e039feab26a0889fad96e2e6a80f3e7a82fec3

      SHA256

      03b28564772f6da2398275f7b9e509db43f6171aa26680b70c10b455d77f7be6

      SHA512

      578349562c2fb3415e3b71fc23d2cd6e124931512c84ec3a2013fc5dcedac07f571361ed7b5dfae0ee587a058cd81d5e5e6c24b6651d3907aa76b79ef8a85467

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mnveszjz.uru.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpD561.tmp

      Filesize

      1KB

      MD5

      c223b6b4d4454c20a32e6e5d9313161c

      SHA1

      a1564f1f83b2e23423fba10c260b304b25d67c3d

      SHA256

      80930defefcba14871c8a5e925517637f6a656e287cac29f0fe61cf1b928bfac

      SHA512

      5c16cc3de166c997be9c040b4623ca8008ce6cae05b769d33acc77c9630f5e993ae3681c86b81c4d0511d44dfca22b74764afa2d4fbc3f7a7ef2e4eca47ca54b

    • memory/2452-89-0x0000000006620000-0x0000000006670000-memory.dmp

      Filesize

      320KB

    • memory/2452-46-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4048-5-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

      Filesize

      40KB

    • memory/4048-7-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

      Filesize

      4KB

    • memory/4048-8-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4048-9-0x00000000066D0000-0x0000000006752000-memory.dmp

      Filesize

      520KB

    • memory/4048-10-0x0000000008D70000-0x0000000008E0C000-memory.dmp

      Filesize

      624KB

    • memory/4048-6-0x0000000005010000-0x0000000005020000-memory.dmp

      Filesize

      64KB

    • memory/4048-4-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4048-3-0x0000000004E30000-0x0000000004EC2000-memory.dmp

      Filesize

      584KB

    • memory/4048-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

      Filesize

      4KB

    • memory/4048-48-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4048-2-0x00000000053E0000-0x0000000005984000-memory.dmp

      Filesize

      5.6MB

    • memory/4048-1-0x0000000000460000-0x000000000053C000-memory.dmp

      Filesize

      880KB

    • memory/4076-66-0x0000000071150000-0x000000007119C000-memory.dmp

      Filesize

      304KB

    • memory/4076-80-0x00000000078B0000-0x00000000078C4000-memory.dmp

      Filesize

      80KB

    • memory/4076-90-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4076-82-0x0000000007990000-0x0000000007998000-memory.dmp

      Filesize

      32KB

    • memory/4076-26-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4076-81-0x00000000079B0000-0x00000000079CA000-memory.dmp

      Filesize

      104KB

    • memory/4076-36-0x0000000005D30000-0x0000000006084000-memory.dmp

      Filesize

      3.3MB

    • memory/4076-20-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4076-19-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4076-78-0x0000000007870000-0x0000000007881000-memory.dmp

      Filesize

      68KB

    • memory/4076-77-0x00000000078F0000-0x0000000007986000-memory.dmp

      Filesize

      600KB

    • memory/4668-50-0x0000000006910000-0x000000000695C000-memory.dmp

      Filesize

      304KB

    • memory/4668-24-0x0000000005C70000-0x0000000005CD6000-memory.dmp

      Filesize

      408KB

    • memory/4668-52-0x0000000071150000-0x000000007119C000-memory.dmp

      Filesize

      304KB

    • memory/4668-51-0x0000000006980000-0x00000000069B2000-memory.dmp

      Filesize

      200KB

    • memory/4668-65-0x00000000076F0000-0x000000000770A000-memory.dmp

      Filesize

      104KB

    • memory/4668-64-0x0000000007D30000-0x00000000083AA000-memory.dmp

      Filesize

      6.5MB

    • memory/4668-68-0x0000000007760000-0x000000000776A000-memory.dmp

      Filesize

      40KB

    • memory/4668-18-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4668-62-0x0000000007580000-0x000000000759E000-memory.dmp

      Filesize

      120KB

    • memory/4668-63-0x00000000075A0000-0x0000000007643000-memory.dmp

      Filesize

      652KB

    • memory/4668-25-0x0000000005D90000-0x0000000005DF6000-memory.dmp

      Filesize

      408KB

    • memory/4668-79-0x0000000007920000-0x000000000792E000-memory.dmp

      Filesize

      56KB

    • memory/4668-23-0x0000000005510000-0x0000000005532000-memory.dmp

      Filesize

      136KB

    • memory/4668-22-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4668-85-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4668-17-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4668-16-0x0000000005590000-0x0000000005BB8000-memory.dmp

      Filesize

      6.2MB

    • memory/4668-15-0x0000000002AB0000-0x0000000002AE6000-memory.dmp

      Filesize

      216KB

    • memory/4668-49-0x00000000063B0000-0x00000000063CE000-memory.dmp

      Filesize

      120KB