Analysis

  • max time kernel
    115s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 11:56

General

  • Target

    cdfa375785b60d921a9aac2d720874ec6fd3b73ad0096dc10b85c2bb2110707f.exe

  • Size

    629KB

  • MD5

    69e57f09b8efb4ffa2843f8280b4c170

  • SHA1

    282341f1556595033ccb8106590da9894a25b548

  • SHA256

    cdfa375785b60d921a9aac2d720874ec6fd3b73ad0096dc10b85c2bb2110707f

  • SHA512

    3620181795d8063b30f32433c8a642b3eea0db76c65aff21af6bc13d93cfec41ca670798d1d8899f917f5390630f3a43188f05a775347bfb7eabb82135b9fbea

  • SSDEEP

    12288:kmkmtMq1HOx21wMUVsZvkLTsWVHax3/OdmpaPi9cdtTJ:krmtMq1uKmsVkLl8FaPi

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7359374737:AAG-rOISO45emTAbe0uNq-VCZDJy_nNcEtc/

Signatures

  • AgentTesla

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

  • 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 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cdfa375785b60d921a9aac2d720874ec6fd3b73ad0096dc10b85c2bb2110707f.exe
    "C:\Users\Admin\AppData\Local\Temp\cdfa375785b60d921a9aac2d720874ec6fd3b73ad0096dc10b85c2bb2110707f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\cdfa375785b60d921a9aac2d720874ec6fd3b73ad0096dc10b85c2bb2110707f.exe
      "C:\Users\Admin\AppData\Local\Temp\cdfa375785b60d921a9aac2d720874ec6fd3b73ad0096dc10b85c2bb2110707f.exe"
      2⤵
        PID:4580
      • C:\Users\Admin\AppData\Local\Temp\cdfa375785b60d921a9aac2d720874ec6fd3b73ad0096dc10b85c2bb2110707f.exe
        "C:\Users\Admin\AppData\Local\Temp\cdfa375785b60d921a9aac2d720874ec6fd3b73ad0096dc10b85c2bb2110707f.exe"
        2⤵
          PID:1896
        • C:\Users\Admin\AppData\Local\Temp\cdfa375785b60d921a9aac2d720874ec6fd3b73ad0096dc10b85c2bb2110707f.exe
          "C:\Users\Admin\AppData\Local\Temp\cdfa375785b60d921a9aac2d720874ec6fd3b73ad0096dc10b85c2bb2110707f.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4920

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cdfa375785b60d921a9aac2d720874ec6fd3b73ad0096dc10b85c2bb2110707f.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/1096-4-0x0000000005590000-0x000000000559A000-memory.dmp

        Filesize

        40KB

      • memory/1096-3-0x00000000054F0000-0x0000000005582000-memory.dmp

        Filesize

        584KB

      • memory/1096-10-0x0000000009180000-0x000000000921C000-memory.dmp

        Filesize

        624KB

      • memory/1096-9-0x0000000006A10000-0x0000000006A92000-memory.dmp

        Filesize

        520KB

      • memory/1096-5-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/1096-6-0x0000000005750000-0x0000000005760000-memory.dmp

        Filesize

        64KB

      • memory/1096-7-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

        Filesize

        4KB

      • memory/1096-8-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/1096-15-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/1096-2-0x0000000005AA0000-0x0000000006044000-memory.dmp

        Filesize

        5.6MB

      • memory/1096-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

        Filesize

        4KB

      • memory/1096-1-0x0000000000A40000-0x0000000000AE4000-memory.dmp

        Filesize

        656KB

      • memory/4920-19-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4920-14-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4920-16-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4920-17-0x0000000005480000-0x00000000054E6000-memory.dmp

        Filesize

        408KB

      • memory/4920-18-0x0000000006B10000-0x0000000006B60000-memory.dmp

        Filesize

        320KB

      • memory/4920-11-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB