Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 08:14

General

  • Target

    5cfb623fd29edfb21bc7fb3d734f2e6ebb7f151e12d2fbcb61bafefdfccb24c6.exe

  • Size

    783KB

  • MD5

    11ff8e45351b4fef0f7e723c1b1e04f1

  • SHA1

    ff595a4ea95aba1cca52de553949e6a73c19c265

  • SHA256

    5cfb623fd29edfb21bc7fb3d734f2e6ebb7f151e12d2fbcb61bafefdfccb24c6

  • SHA512

    801f54add34c294f4bdf95ae8ebe8ab603fa7be88124a78fbf177e10e4a53a599d481b173fb4cf4f40268aa16aa5124289ad26c6f0c0230637c1d5b763155487

  • SSDEEP

    6144:qZZSGZ1pOTD97kVoluxSnQJ2UYbbnEqa57lW1ChtCxxE5jbWs5E19Cd0C7vvGm97:qzvZ1pSptYSQJK/EtdCsPGsdPvvGm9h

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.

  • 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 2 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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5cfb623fd29edfb21bc7fb3d734f2e6ebb7f151e12d2fbcb61bafefdfccb24c6.exe
    "C:\Users\Admin\AppData\Local\Temp\5cfb623fd29edfb21bc7fb3d734f2e6ebb7f151e12d2fbcb61bafefdfccb24c6.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:3372
    • 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\5cfb623fd29edfb21bc7fb3d734f2e6ebb7f151e12d2fbcb61bafefdfccb24c6.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1424
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UJKtuGFFwoBmnd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2368
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UJKtuGFFwoBmnd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC822.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1740
    • C:\Users\Admin\AppData\Local\Temp\5cfb623fd29edfb21bc7fb3d734f2e6ebb7f151e12d2fbcb61bafefdfccb24c6.exe
      "C:\Users\Admin\AppData\Local\Temp\5cfb623fd29edfb21bc7fb3d734f2e6ebb7f151e12d2fbcb61bafefdfccb24c6.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5000

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

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    81cb7ea2e6117bee8e261b63277ec4ab

    SHA1

    f9ea1d9c26a15dfc1b9e26a7dcbfbe35c6af4046

    SHA256

    2a1e855b6b43ef41f4542db7c232489d7972606140c202bc7f6719fa7880aeee

    SHA512

    eb4f20ab8dc932ba417cf431c52f778c714fb3800a80c09af2c0d58a94b1f70adfc1821bcff0c5e5e0a3ff21a3bd5b893230ddd2e64c6a557eae371b5c836bba

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jam5ascs.n4d.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC822.tmp

    Filesize

    1KB

    MD5

    e2f3a58cadac94913a6e295d066f2bb8

    SHA1

    7b2d2fe20b1c1be2f13efead22243964c514379b

    SHA256

    a1b3923d8fe87917f4fedf28cc2601758e9dadab5c64c203573dcdfc5d14c9ee

    SHA512

    7d724b2552a08d0e8b56439d4eb229e286a03285bfa4bd48fab1412e6a8ad2c5b3efafee72c8d3951fbbf3c0d7445a4fee24b0cf442fbec20e4ddce05fcf4a50

  • memory/1424-76-0x0000000006F70000-0x0000000006F7A000-memory.dmp

    Filesize

    40KB

  • memory/1424-19-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/1424-88-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/1424-47-0x00000000057B0000-0x0000000005B04000-memory.dmp

    Filesize

    3.3MB

  • memory/1424-82-0x0000000007220000-0x0000000007228000-memory.dmp

    Filesize

    32KB

  • memory/1424-81-0x0000000007240000-0x000000000725A000-memory.dmp

    Filesize

    104KB

  • memory/1424-79-0x0000000007130000-0x000000000713E000-memory.dmp

    Filesize

    56KB

  • memory/1424-75-0x0000000007540000-0x0000000007BBA000-memory.dmp

    Filesize

    6.5MB

  • memory/1424-16-0x00000000022B0000-0x00000000022E6000-memory.dmp

    Filesize

    216KB

  • memory/1424-17-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/1424-64-0x0000000006B30000-0x0000000006B4E000-memory.dmp

    Filesize

    120KB

  • memory/1424-18-0x0000000004CD0000-0x00000000052F8000-memory.dmp

    Filesize

    6.2MB

  • memory/1424-52-0x0000000071250000-0x000000007129C000-memory.dmp

    Filesize

    304KB

  • memory/1424-49-0x0000000005BD0000-0x0000000005BEE000-memory.dmp

    Filesize

    120KB

  • memory/1424-20-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-74-0x0000000006F60000-0x0000000006F7A000-memory.dmp

    Filesize

    104KB

  • memory/2368-73-0x0000000006E30000-0x0000000006ED3000-memory.dmp

    Filesize

    652KB

  • memory/2368-31-0x0000000004FA0000-0x0000000005006000-memory.dmp

    Filesize

    408KB

  • memory/2368-89-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-27-0x0000000004F30000-0x0000000004F96000-memory.dmp

    Filesize

    408KB

  • memory/2368-23-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-80-0x00000000071A0000-0x00000000071B4000-memory.dmp

    Filesize

    80KB

  • memory/2368-78-0x0000000007160000-0x0000000007171000-memory.dmp

    Filesize

    68KB

  • memory/2368-21-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-50-0x0000000005C50000-0x0000000005C9C000-memory.dmp

    Filesize

    304KB

  • memory/2368-51-0x0000000006BC0000-0x0000000006BF2000-memory.dmp

    Filesize

    200KB

  • memory/2368-53-0x0000000071250000-0x000000007129C000-memory.dmp

    Filesize

    304KB

  • memory/2368-77-0x00000000071E0000-0x0000000007276000-memory.dmp

    Filesize

    600KB

  • memory/2368-24-0x0000000004E60000-0x0000000004E82000-memory.dmp

    Filesize

    136KB

  • memory/3372-11-0x000000000A270000-0x000000000A30C000-memory.dmp

    Filesize

    624KB

  • memory/3372-7-0x0000000005090000-0x000000000509E000-memory.dmp

    Filesize

    56KB

  • memory/3372-5-0x0000000004E20000-0x0000000004E2A000-memory.dmp

    Filesize

    40KB

  • memory/3372-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/3372-48-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/3372-4-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/3372-10-0x0000000007B10000-0x0000000007B92000-memory.dmp

    Filesize

    520KB

  • memory/3372-3-0x00000000053A0000-0x0000000005944000-memory.dmp

    Filesize

    5.6MB

  • memory/3372-9-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/3372-8-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/3372-6-0x0000000007740000-0x00000000077D8000-memory.dmp

    Filesize

    608KB

  • memory/3372-2-0x0000000004D50000-0x0000000004DE2000-memory.dmp

    Filesize

    584KB

  • memory/3372-1-0x00000000002C0000-0x000000000038A000-memory.dmp

    Filesize

    808KB

  • memory/5000-32-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/5000-90-0x00000000060F0000-0x0000000006140000-memory.dmp

    Filesize

    320KB