Analysis

  • max time kernel
    445s
  • max time network
    446s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 17:42

General

  • Target

    a342ce10ee92e28fe35aae7804785ff5de362be4445501b18c322a049625f886.exe

  • Size

    759KB

  • MD5

    b79f97e4db70037b5bc5151fbe634d93

  • SHA1

    81283e71c6dedb7335c0adaa51c0ca3f804638a2

  • SHA256

    a342ce10ee92e28fe35aae7804785ff5de362be4445501b18c322a049625f886

  • SHA512

    3fab52033ca9ded4e123253bc74912c60fdfc38ee5272df66fd6e77430f460ec13ea3a482df6488bb18c362abf0ec3b155664350f1f5950a2362b0db1bcc48e5

  • SSDEEP

    12288:Bz9TjhnjhvWr1NhQCKBtVOrH/ks40Zstp+wSb/YEXk6SvXRyp3Gb5:BzdNnNmXhjaDuR40Z/YokXPIFGb

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a342ce10ee92e28fe35aae7804785ff5de362be4445501b18c322a049625f886.exe
    "C:\Users\Admin\AppData\Local\Temp\a342ce10ee92e28fe35aae7804785ff5de362be4445501b18c322a049625f886.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3204
    • 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\a342ce10ee92e28fe35aae7804785ff5de362be4445501b18c322a049625f886.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4620
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rDqZKcwn.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rDqZKcwn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFBD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1724
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:632

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

          3bc0fe987149ae1fb0c94d444c313c04

          SHA1

          96cd47286430a9285282ea75e1482fc5dfd2e6b1

          SHA256

          7473edebd5a760b0528b1ec70dd1e238f0917fc71cb01451577c6e4333d22a39

          SHA512

          eed2ced5512e92af44e7bed207ba64b83a9da1b244f66284997c960e76162b3602435e50b6329762331f30b70246db8d6cb12e3463a79823654ced4056a534fc

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yh3ej2hw.0kc.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

          Filesize

          1KB

          MD5

          b3f4d8f0ac2564b52c607b2b1c394709

          SHA1

          fed524e762a61c5823e21548fa61377347f2f034

          SHA256

          b1171c10c4af2c826c8f5ec159f767c4f1c8efc675b821c1524a47259c7fff6e

          SHA512

          e1ac9e8aeac9fcbe863993b5b9edf62125ce95980653ba02c1d58b600067de235b94655db99fe16b232e7029b6681f979314d91115c5d6efc489d8e6e37823c6

        • memory/632-47-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/632-93-0x0000000006DB0000-0x0000000006F72000-memory.dmp

          Filesize

          1.8MB

        • memory/632-92-0x0000000006B90000-0x0000000006BE0000-memory.dmp

          Filesize

          320KB

        • memory/668-68-0x0000000075350000-0x000000007539C000-memory.dmp

          Filesize

          304KB

        • memory/668-25-0x0000000074AE0000-0x0000000075290000-memory.dmp

          Filesize

          7.7MB

        • memory/668-28-0x0000000074AE0000-0x0000000075290000-memory.dmp

          Filesize

          7.7MB

        • memory/668-20-0x0000000074AE0000-0x0000000075290000-memory.dmp

          Filesize

          7.7MB

        • memory/668-91-0x0000000074AE0000-0x0000000075290000-memory.dmp

          Filesize

          7.7MB

        • memory/668-87-0x0000000007860000-0x0000000007874000-memory.dmp

          Filesize

          80KB

        • memory/3204-6-0x0000000006C50000-0x0000000006C5C000-memory.dmp

          Filesize

          48KB

        • memory/3204-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

          Filesize

          4KB

        • memory/3204-11-0x00000000093E0000-0x000000000947C000-memory.dmp

          Filesize

          624KB

        • memory/3204-10-0x0000000006D50000-0x0000000006DBA000-memory.dmp

          Filesize

          424KB

        • memory/3204-9-0x0000000006960000-0x000000000696C000-memory.dmp

          Filesize

          48KB

        • memory/3204-8-0x0000000074AE0000-0x0000000075290000-memory.dmp

          Filesize

          7.7MB

        • memory/3204-7-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

          Filesize

          4KB

        • memory/3204-5-0x0000000005610000-0x000000000561A000-memory.dmp

          Filesize

          40KB

        • memory/3204-4-0x0000000074AE0000-0x0000000075290000-memory.dmp

          Filesize

          7.7MB

        • memory/3204-3-0x0000000005650000-0x00000000056E2000-memory.dmp

          Filesize

          584KB

        • memory/3204-49-0x0000000074AE0000-0x0000000075290000-memory.dmp

          Filesize

          7.7MB

        • memory/3204-2-0x0000000005C00000-0x00000000061A4000-memory.dmp

          Filesize

          5.6MB

        • memory/3204-1-0x0000000000B40000-0x0000000000C02000-memory.dmp

          Filesize

          776KB

        • memory/4620-16-0x00000000022D0000-0x0000000002306000-memory.dmp

          Filesize

          216KB

        • memory/4620-27-0x00000000055E0000-0x0000000005934000-memory.dmp

          Filesize

          3.3MB

        • memory/4620-50-0x0000000005BB0000-0x0000000005BCE000-memory.dmp

          Filesize

          120KB

        • memory/4620-51-0x0000000005BD0000-0x0000000005C1C000-memory.dmp

          Filesize

          304KB

        • memory/4620-53-0x0000000075350000-0x000000007539C000-memory.dmp

          Filesize

          304KB

        • memory/4620-52-0x0000000006B70000-0x0000000006BA2000-memory.dmp

          Filesize

          200KB

        • memory/4620-64-0x0000000006BB0000-0x0000000006C53000-memory.dmp

          Filesize

          652KB

        • memory/4620-63-0x0000000006B50000-0x0000000006B6E000-memory.dmp

          Filesize

          120KB

        • memory/4620-66-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

          Filesize

          104KB

        • memory/4620-65-0x0000000007540000-0x0000000007BBA000-memory.dmp

          Filesize

          6.5MB

        • memory/4620-67-0x0000000006F60000-0x0000000006F6A000-memory.dmp

          Filesize

          40KB

        • memory/4620-26-0x0000000074AE0000-0x0000000075290000-memory.dmp

          Filesize

          7.7MB

        • memory/4620-78-0x0000000007170000-0x0000000007206000-memory.dmp

          Filesize

          600KB

        • memory/4620-79-0x00000000070F0000-0x0000000007101000-memory.dmp

          Filesize

          68KB

        • memory/4620-80-0x0000000007120000-0x000000000712E000-memory.dmp

          Filesize

          56KB

        • memory/4620-81-0x0000000007130000-0x0000000007144000-memory.dmp

          Filesize

          80KB

        • memory/4620-82-0x0000000007230000-0x000000000724A000-memory.dmp

          Filesize

          104KB

        • memory/4620-83-0x0000000007210000-0x0000000007218000-memory.dmp

          Filesize

          32KB

        • memory/4620-86-0x0000000074AE0000-0x0000000075290000-memory.dmp

          Filesize

          7.7MB

        • memory/4620-22-0x0000000004B10000-0x0000000004B32000-memory.dmp

          Filesize

          136KB

        • memory/4620-23-0x0000000004CC0000-0x0000000004D26000-memory.dmp

          Filesize

          408KB

        • memory/4620-24-0x0000000005470000-0x00000000054D6000-memory.dmp

          Filesize

          408KB

        • memory/4620-19-0x0000000074AE0000-0x0000000075290000-memory.dmp

          Filesize

          7.7MB

        • memory/4620-17-0x0000000074AE0000-0x0000000075290000-memory.dmp

          Filesize

          7.7MB

        • memory/4620-18-0x0000000004E40000-0x0000000005468000-memory.dmp

          Filesize

          6.2MB