Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 14:24

General

  • Target

    f29ca51ab4f94de1be168737174063f7fb8540543160478c64bef4ba611b0e14.exe

  • Size

    659KB

  • MD5

    66469c7a7dd603a5910183207c000503

  • SHA1

    c97d702a6c01b2dbfeba714d902d1b0bdcf914d4

  • SHA256

    f29ca51ab4f94de1be168737174063f7fb8540543160478c64bef4ba611b0e14

  • SHA512

    6461578613929c9d1985eb870511e2f1a561d4d0a1b2b27835d17a7b042e5cb5f683edc9b4dd8499b8b71dc2bd38a9fde0e079a96a253a8f8e4b6af1db05067a

  • SSDEEP

    12288:5B/ZeQ5vzikZSFJuWe9ZM4ECgkS6tMdDEGSobtlZI/tYHO:9rikRXvx7gvDX1b0Y

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hotelzora-razlog.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ,7b4ozdR8X#F

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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 10 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\f29ca51ab4f94de1be168737174063f7fb8540543160478c64bef4ba611b0e14.exe
    "C:\Users\Admin\AppData\Local\Temp\f29ca51ab4f94de1be168737174063f7fb8540543160478c64bef4ba611b0e14.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1920
    • 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\f29ca51ab4f94de1be168737174063f7fb8540543160478c64bef4ba611b0e14.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5036
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AZibCvGEQY.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1572
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AZibCvGEQY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E34.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2788
    • C:\Users\Admin\AppData\Local\Temp\f29ca51ab4f94de1be168737174063f7fb8540543160478c64bef4ba611b0e14.exe
      "C:\Users\Admin\AppData\Local\Temp\f29ca51ab4f94de1be168737174063f7fb8540543160478c64bef4ba611b0e14.exe"
      2⤵
        PID:5060
      • C:\Users\Admin\AppData\Local\Temp\f29ca51ab4f94de1be168737174063f7fb8540543160478c64bef4ba611b0e14.exe
        "C:\Users\Admin\AppData\Local\Temp\f29ca51ab4f94de1be168737174063f7fb8540543160478c64bef4ba611b0e14.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:756

    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

            124ed50f27b9822a97137823ca2be3ee

            SHA1

            f5840139c2f7d90e7e03e7a5e972b8a7c7fd5290

            SHA256

            1e38fe5c785debf0ffe6fe5a325664de2fb21c0b1e4e93941e35898be821f13c

            SHA512

            5c4cf875eec181c21095a4bdb973e0725dadddd56c4701ba4b6b8ca608736426e705f2e8354c551d47ec56e8dc0d42189ad6a2a895444f036237c7cc89378eea

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nf3odurg.xg3.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmp9E34.tmp

            Filesize

            1KB

            MD5

            39c0db0a618ef8e33dfa4705eecba4ba

            SHA1

            9f8fa1edf640af54a26874c447e685f871db83b7

            SHA256

            09083753997601b701fa0bdbeac4d3544e2a93ff94d569dae9ec04a5ba8658c6

            SHA512

            f0eeb940fbd986229288af9acee46fd1bff1ef5caf5acbd30a246ef83b1b4d3bd87589fcb1187e242e383e60da4cea44bebd3818b7cb00fac57b98ed18b5884b

          • memory/756-99-0x0000000005A10000-0x0000000005A20000-memory.dmp

            Filesize

            64KB

          • memory/756-51-0x0000000005A10000-0x0000000005A20000-memory.dmp

            Filesize

            64KB

          • memory/756-50-0x0000000075000000-0x00000000757B0000-memory.dmp

            Filesize

            7.7MB

          • memory/756-34-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/756-96-0x0000000007220000-0x0000000007270000-memory.dmp

            Filesize

            320KB

          • memory/756-98-0x0000000075000000-0x00000000757B0000-memory.dmp

            Filesize

            7.7MB

          • memory/1572-22-0x0000000075000000-0x00000000757B0000-memory.dmp

            Filesize

            7.7MB

          • memory/1572-24-0x00000000053F0000-0x0000000005400000-memory.dmp

            Filesize

            64KB

          • memory/1572-83-0x0000000007C00000-0x0000000007C0A000-memory.dmp

            Filesize

            40KB

          • memory/1572-84-0x0000000007E10000-0x0000000007EA6000-memory.dmp

            Filesize

            600KB

          • memory/1572-85-0x0000000007D90000-0x0000000007DA1000-memory.dmp

            Filesize

            68KB

          • memory/1572-86-0x0000000007DC0000-0x0000000007DCE000-memory.dmp

            Filesize

            56KB

          • memory/1572-57-0x000000007EF50000-0x000000007EF60000-memory.dmp

            Filesize

            64KB

          • memory/1572-55-0x00000000053F0000-0x0000000005400000-memory.dmp

            Filesize

            64KB

          • memory/1572-68-0x00000000716D0000-0x000000007171C000-memory.dmp

            Filesize

            304KB

          • memory/1572-23-0x00000000053F0000-0x0000000005400000-memory.dmp

            Filesize

            64KB

          • memory/1572-26-0x0000000005940000-0x00000000059A6000-memory.dmp

            Filesize

            408KB

          • memory/1572-87-0x0000000007DD0000-0x0000000007DE4000-memory.dmp

            Filesize

            80KB

          • memory/1572-53-0x00000000068B0000-0x00000000068FC000-memory.dmp

            Filesize

            304KB

          • memory/1572-95-0x0000000075000000-0x00000000757B0000-memory.dmp

            Filesize

            7.7MB

          • memory/1572-52-0x0000000006880000-0x000000000689E000-memory.dmp

            Filesize

            120KB

          • memory/1572-88-0x0000000007ED0000-0x0000000007EEA000-memory.dmp

            Filesize

            104KB

          • memory/1920-5-0x0000000005A10000-0x0000000005A1A000-memory.dmp

            Filesize

            40KB

          • memory/1920-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

            Filesize

            5.6MB

          • memory/1920-0-0x0000000000DD0000-0x0000000000E7A000-memory.dmp

            Filesize

            680KB

          • memory/1920-49-0x0000000075000000-0x00000000757B0000-memory.dmp

            Filesize

            7.7MB

          • memory/1920-3-0x0000000005860000-0x00000000058F2000-memory.dmp

            Filesize

            584KB

          • memory/1920-4-0x0000000005A50000-0x0000000005A60000-memory.dmp

            Filesize

            64KB

          • memory/1920-10-0x00000000095D0000-0x000000000966C000-memory.dmp

            Filesize

            624KB

          • memory/1920-6-0x0000000005D30000-0x0000000005D44000-memory.dmp

            Filesize

            80KB

          • memory/1920-20-0x0000000075000000-0x00000000757B0000-memory.dmp

            Filesize

            7.7MB

          • memory/1920-7-0x0000000006A90000-0x0000000006A9A000-memory.dmp

            Filesize

            40KB

          • memory/1920-1-0x0000000075000000-0x00000000757B0000-memory.dmp

            Filesize

            7.7MB

          • memory/1920-8-0x0000000006AA0000-0x0000000006AAE000-memory.dmp

            Filesize

            56KB

          • memory/1920-9-0x0000000006AF0000-0x0000000006B78000-memory.dmp

            Filesize

            544KB

          • memory/5036-19-0x0000000005150000-0x0000000005778000-memory.dmp

            Filesize

            6.2MB

          • memory/5036-71-0x0000000007120000-0x00000000071C3000-memory.dmp

            Filesize

            652KB

          • memory/5036-72-0x0000000007890000-0x0000000007F0A000-memory.dmp

            Filesize

            6.5MB

          • memory/5036-82-0x0000000007250000-0x000000000726A000-memory.dmp

            Filesize

            104KB

          • memory/5036-69-0x0000000006500000-0x000000000651E000-memory.dmp

            Filesize

            120KB

          • memory/5036-70-0x0000000075000000-0x00000000757B0000-memory.dmp

            Filesize

            7.7MB

          • memory/5036-58-0x00000000716D0000-0x000000007171C000-memory.dmp

            Filesize

            304KB

          • memory/5036-56-0x0000000006520000-0x0000000006552000-memory.dmp

            Filesize

            200KB

          • memory/5036-54-0x0000000004B10000-0x0000000004B20000-memory.dmp

            Filesize

            64KB

          • memory/5036-48-0x0000000005AB0000-0x0000000005E04000-memory.dmp

            Filesize

            3.3MB

          • memory/5036-89-0x0000000007570000-0x0000000007578000-memory.dmp

            Filesize

            32KB

          • memory/5036-32-0x0000000005940000-0x00000000059A6000-memory.dmp

            Filesize

            408KB

          • memory/5036-25-0x0000000004E40000-0x0000000004E62000-memory.dmp

            Filesize

            136KB

          • memory/5036-18-0x0000000004B10000-0x0000000004B20000-memory.dmp

            Filesize

            64KB

          • memory/5036-17-0x0000000004B10000-0x0000000004B20000-memory.dmp

            Filesize

            64KB

          • memory/5036-97-0x0000000075000000-0x00000000757B0000-memory.dmp

            Filesize

            7.7MB

          • memory/5036-16-0x0000000075000000-0x00000000757B0000-memory.dmp

            Filesize

            7.7MB

          • memory/5036-15-0x0000000004970000-0x00000000049A6000-memory.dmp

            Filesize

            216KB