Analysis

  • max time kernel
    122s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 11:20

General

  • Target

    yWQK3JWrMiYdSNG.exe

  • Size

    632KB

  • MD5

    6ceddbf6cce1a61048b8c9f2f42108c5

  • SHA1

    a9aadd0abed5397ae62f6095e5b05f5d5eb9055f

  • SHA256

    105c79d054029dcf3d38c5ba526dc7c111cc2e2e6fb2555a88c0820a6ba9eb52

  • SHA512

    e9f733cad22fbb711ea029039aefe799c6172e81b275f93c8699d912e289e47ee93b1282f005e941780284ad74359d85aa20d583754eb39c11581ab8c090e1b7

  • SSDEEP

    12288:lZcsd8531D0sDjNvu56pw/XVyBcYZkYeUZJouWPZzQvX/Lgf2LWl:ltK1D0+NW5MeVyB8LGJouq6//Ef2al

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.funworld.co.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    fwp123mail

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.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe
    "C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SVxgdVWqIPqwco.exe"
      2⤵
        PID:3444
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SVxgdVWqIPqwco" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E43.tmp"
        2⤵
        • Creates scheduled task(s)
        PID:4584
      • C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe
        "C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"
        2⤵
          PID:1032
        • C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe
          "C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2120
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3904 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3824

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\tmp9E43.tmp

                Filesize

                1KB

                MD5

                c2c28e6005a9069f2b024f6b690b0e9f

                SHA1

                f8578a3b2bfc358bfcbc1bcc9661dde2739674b4

                SHA256

                34da89ae97c2980181dbc7d0af7b374455771075fa66a11b09f24b38ba552a0a

                SHA512

                a88472a657224dc04eeca2aca8750c5dca357b625bf9fa63879d8d6cdc4d5c44693155e67eb709b2f60fa25e0b9e28cc60b0a4c5091293877ca051326b0238ee

              • memory/2120-26-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

                Filesize

                64KB

              • memory/2120-25-0x0000000074EB0000-0x0000000075660000-memory.dmp

                Filesize

                7.7MB

              • memory/2120-22-0x0000000005FD0000-0x0000000006020000-memory.dmp

                Filesize

                320KB

              • memory/2120-21-0x00000000051A0000-0x0000000005206000-memory.dmp

                Filesize

                408KB

              • memory/2120-20-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

                Filesize

                64KB

              • memory/2120-18-0x0000000074EB0000-0x0000000075660000-memory.dmp

                Filesize

                7.7MB

              • memory/2120-16-0x0000000000400000-0x0000000000440000-memory.dmp

                Filesize

                256KB

              • memory/3840-5-0x0000000004E40000-0x0000000004E4A000-memory.dmp

                Filesize

                40KB

              • memory/3840-9-0x0000000006160000-0x00000000061E2000-memory.dmp

                Filesize

                520KB

              • memory/3840-10-0x0000000008810000-0x00000000088AC000-memory.dmp

                Filesize

                624KB

              • memory/3840-8-0x00000000060F0000-0x00000000060FC000-memory.dmp

                Filesize

                48KB

              • memory/3840-7-0x00000000060E0000-0x00000000060EA000-memory.dmp

                Filesize

                40KB

              • memory/3840-19-0x0000000074EB0000-0x0000000075660000-memory.dmp

                Filesize

                7.7MB

              • memory/3840-6-0x00000000050A0000-0x00000000050B4000-memory.dmp

                Filesize

                80KB

              • memory/3840-1-0x0000000074EB0000-0x0000000075660000-memory.dmp

                Filesize

                7.7MB

              • memory/3840-4-0x00000000050B0000-0x00000000050C0000-memory.dmp

                Filesize

                64KB

              • memory/3840-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

                Filesize

                584KB

              • memory/3840-2-0x00000000053A0000-0x0000000005944000-memory.dmp

                Filesize

                5.6MB

              • memory/3840-0-0x0000000000390000-0x0000000000434000-memory.dmp

                Filesize

                656KB