Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 16:47

General

  • Target

    239046147b36ff4763db827c7f9b6dc6.exe

  • Size

    694KB

  • MD5

    239046147b36ff4763db827c7f9b6dc6

  • SHA1

    b21e17ce0b240f59d6681971071fb00952154a46

  • SHA256

    286a74a3334c854df367f5a885a38acb68a0a000526054ef8426d15779549474

  • SHA512

    de130ed39cd8f4c4294e1dea04d5019ec939b7bd82cef41b08dd248205c5394b5b7eb428ac2655be9d6486e7e237a7caf0542ff4ac4adf6442cfc4d6dc524c76

  • SSDEEP

    12288:4ueH5qGEWapltx5Vr1rzKp8TOQqT8IM+WzgqmpcmSLXUd5M2:MqbXpltpBKwFqT82aRmqQ5M2

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    YAWALESS123@@kkk

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\239046147b36ff4763db827c7f9b6dc6.exe
    "C:\Users\Admin\AppData\Local\Temp\239046147b36ff4763db827c7f9b6dc6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Users\Admin\AppData\Local\Temp\239046147b36ff4763db827c7f9b6dc6.exe
      "C:\Users\Admin\AppData\Local\Temp\239046147b36ff4763db827c7f9b6dc6.exe"
      2⤵
        PID:4172
      • C:\Users\Admin\AppData\Local\Temp\239046147b36ff4763db827c7f9b6dc6.exe
        "C:\Users\Admin\AppData\Local\Temp\239046147b36ff4763db827c7f9b6dc6.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4660
      • C:\Users\Admin\AppData\Local\Temp\239046147b36ff4763db827c7f9b6dc6.exe
        "C:\Users\Admin\AppData\Local\Temp\239046147b36ff4763db827c7f9b6dc6.exe"
        2⤵
          PID:2796

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\239046147b36ff4763db827c7f9b6dc6.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/2812-10-0x0000000008C20000-0x0000000008CBC000-memory.dmp

        Filesize

        624KB

      • memory/2812-16-0x00000000743E0000-0x0000000074B90000-memory.dmp

        Filesize

        7.7MB

      • memory/2812-9-0x0000000006660000-0x00000000066DA000-memory.dmp

        Filesize

        488KB

      • memory/2812-4-0x0000000004D80000-0x0000000004D90000-memory.dmp

        Filesize

        64KB

      • memory/2812-5-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

        Filesize

        40KB

      • memory/2812-6-0x0000000005020000-0x000000000503A000-memory.dmp

        Filesize

        104KB

      • memory/2812-7-0x0000000005180000-0x0000000005188000-memory.dmp

        Filesize

        32KB

      • memory/2812-8-0x0000000005190000-0x000000000519A000-memory.dmp

        Filesize

        40KB

      • memory/2812-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

        Filesize

        584KB

      • memory/2812-0-0x00000000743E0000-0x0000000074B90000-memory.dmp

        Filesize

        7.7MB

      • memory/2812-1-0x00000000002F0000-0x00000000003A4000-memory.dmp

        Filesize

        720KB

      • memory/2812-2-0x00000000053B0000-0x0000000005954000-memory.dmp

        Filesize

        5.6MB

      • memory/2812-14-0x00000000743E0000-0x0000000074B90000-memory.dmp

        Filesize

        7.7MB

      • memory/4660-11-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/4660-17-0x0000000005500000-0x0000000005510000-memory.dmp

        Filesize

        64KB

      • memory/4660-18-0x0000000005510000-0x0000000005576000-memory.dmp

        Filesize

        408KB

      • memory/4660-15-0x00000000743E0000-0x0000000074B90000-memory.dmp

        Filesize

        7.7MB

      • memory/4660-19-0x0000000006CC0000-0x0000000006D10000-memory.dmp

        Filesize

        320KB

      • memory/4660-20-0x00000000743E0000-0x0000000074B90000-memory.dmp

        Filesize

        7.7MB