Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 02:13

General

  • Target

    9d1f91e6929601985b6b82d29a0687568e621474d0be6711ae3d243427e1c88f.exe

  • Size

    664KB

  • MD5

    f6fe24c8bbba6bc5bf88df70400e6ccf

  • SHA1

    15d7e7d49ddd180471317c739cd94c63c4f7fe64

  • SHA256

    9d1f91e6929601985b6b82d29a0687568e621474d0be6711ae3d243427e1c88f

  • SHA512

    d7dd2c6b8354b203f061ff59e4127706a3695d3b8dba87eb2666879c575401edb2b8da65703beb8d7b8ddb9973a0bd14b0ee2ac188670566df81b3218f98a2c5

  • SSDEEP

    12288:mlYifT4nAnKWoKZS//pvXpVLeNS0AP3k19aLEeCV/:5iRn/oKgZess1mCV

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.qfreight-lch.co.th
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Juraluk@171065

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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d1f91e6929601985b6b82d29a0687568e621474d0be6711ae3d243427e1c88f.exe
    "C:\Users\Admin\AppData\Local\Temp\9d1f91e6929601985b6b82d29a0687568e621474d0be6711ae3d243427e1c88f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4644
    • 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\9d1f91e6929601985b6b82d29a0687568e621474d0be6711ae3d243427e1c88f.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3376
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\txLNnekpyEwF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4336
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\txLNnekpyEwF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp75FB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2368
    • C:\Users\Admin\AppData\Local\Temp\9d1f91e6929601985b6b82d29a0687568e621474d0be6711ae3d243427e1c88f.exe
      "C:\Users\Admin\AppData\Local\Temp\9d1f91e6929601985b6b82d29a0687568e621474d0be6711ae3d243427e1c88f.exe"
      2⤵
        PID:4020
      • C:\Users\Admin\AppData\Local\Temp\9d1f91e6929601985b6b82d29a0687568e621474d0be6711ae3d243427e1c88f.exe
        "C:\Users\Admin\AppData\Local\Temp\9d1f91e6929601985b6b82d29a0687568e621474d0be6711ae3d243427e1c88f.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2396

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    4
    T1005

    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

      d23fe963a7e6acdeaf385201787fb0e3

      SHA1

      6ddb892a9810d4a10f3c128e1ad15cf52d0bd85d

      SHA256

      e0b7090805f5425db1bba017a8053a3f001480cf163fc4344c4297c147a98a8f

      SHA512

      3141f3c68fcdf8e2c480eb652042b3b00a21815ae53a6e8943120af11448af95abafdab0560e3bc16f11c283de074aa59a1cd2ef8080f44f2d50824bc8ee1ca7

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zsozt1wc.mdi.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp75FB.tmp
      Filesize

      1KB

      MD5

      8b6311cd791ce020d1d4c09f0bf845c6

      SHA1

      47aa8dc60d0afdfe8c66b713b4df3b69fc43b4c0

      SHA256

      63e25ace3ff2efcd16a754168242dd4a91b1f82e4b5d67aeb3b05bb70724dc7e

      SHA512

      dc7ab9e07562b2630a22570fe10155112abdc1a03acb0999720968be8fac66ca74da03804be32374089f6ec62b13f36d87fc6a14d92e69088ae82560ab3e3b9a

    • memory/2396-89-0x0000000006A20000-0x0000000006A70000-memory.dmp
      Filesize

      320KB

    • memory/2396-45-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3376-31-0x00000000055F0000-0x0000000005944000-memory.dmp
      Filesize

      3.3MB

    • memory/3376-49-0x0000000005CC0000-0x0000000005D0C000-memory.dmp
      Filesize

      304KB

    • memory/3376-87-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/3376-81-0x00000000072F0000-0x00000000072F8000-memory.dmp
      Filesize

      32KB

    • memory/3376-14-0x00000000023A0000-0x00000000023D6000-memory.dmp
      Filesize

      216KB

    • memory/3376-15-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/3376-76-0x0000000007250000-0x00000000072E6000-memory.dmp
      Filesize

      600KB

    • memory/3376-63-0x0000000075280000-0x00000000752CC000-memory.dmp
      Filesize

      304KB

    • memory/3376-48-0x0000000005C90000-0x0000000005CAE000-memory.dmp
      Filesize

      120KB

    • memory/3376-25-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/3376-21-0x0000000004CD0000-0x0000000004CF2000-memory.dmp
      Filesize

      136KB

    • memory/3376-23-0x0000000005A60000-0x0000000005AC6000-memory.dmp
      Filesize

      408KB

    • memory/3376-22-0x0000000004D70000-0x0000000004DD6000-memory.dmp
      Filesize

      408KB

    • memory/3376-24-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/4336-62-0x0000000006A30000-0x0000000006AD3000-memory.dmp
      Filesize

      652KB

    • memory/4336-80-0x00000000070A0000-0x00000000070BA000-memory.dmp
      Filesize

      104KB

    • memory/4336-73-0x00000000073A0000-0x0000000007A1A000-memory.dmp
      Filesize

      6.5MB

    • memory/4336-88-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/4336-19-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/4336-74-0x0000000006D60000-0x0000000006D7A000-memory.dmp
      Filesize

      104KB

    • memory/4336-18-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/4336-16-0x0000000004D10000-0x0000000005338000-memory.dmp
      Filesize

      6.2MB

    • memory/4336-51-0x0000000075280000-0x00000000752CC000-memory.dmp
      Filesize

      304KB

    • memory/4336-50-0x0000000006030000-0x0000000006062000-memory.dmp
      Filesize

      200KB

    • memory/4336-61-0x0000000005FF0000-0x000000000600E000-memory.dmp
      Filesize

      120KB

    • memory/4336-17-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/4336-79-0x0000000006FA0000-0x0000000006FB4000-memory.dmp
      Filesize

      80KB

    • memory/4336-78-0x0000000006F90000-0x0000000006F9E000-memory.dmp
      Filesize

      56KB

    • memory/4336-77-0x0000000006F60000-0x0000000006F71000-memory.dmp
      Filesize

      68KB

    • memory/4336-75-0x0000000006DD0000-0x0000000006DDA000-memory.dmp
      Filesize

      40KB

    • memory/4644-7-0x00000000054D0000-0x00000000054EA000-memory.dmp
      Filesize

      104KB

    • memory/4644-9-0x00000000067F0000-0x0000000006874000-memory.dmp
      Filesize

      528KB

    • memory/4644-1-0x0000000000780000-0x000000000082C000-memory.dmp
      Filesize

      688KB

    • memory/4644-0-0x00000000749DE000-0x00000000749DF000-memory.dmp
      Filesize

      4KB

    • memory/4644-5-0x00000000054F0000-0x000000000558C000-memory.dmp
      Filesize

      624KB

    • memory/4644-47-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/4644-3-0x0000000005280000-0x0000000005312000-memory.dmp
      Filesize

      584KB

    • memory/4644-2-0x0000000005790000-0x0000000005D34000-memory.dmp
      Filesize

      5.6MB

    • memory/4644-8-0x0000000005690000-0x00000000056A0000-memory.dmp
      Filesize

      64KB

    • memory/4644-4-0x0000000005230000-0x000000000523A000-memory.dmp
      Filesize

      40KB

    • memory/4644-6-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB