Analysis

  • max time kernel
    133s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 01:08

General

  • Target

    ff7fe4adccbf79733798ebd0648ac1eeeae67bd8c9102ce30ad845f80c799c95.exe

  • Size

    740KB

  • MD5

    26090850955e5fb4896e091395c5efab

  • SHA1

    136a24c124b52bcd122b925bee1a13deea5fba84

  • SHA256

    ff7fe4adccbf79733798ebd0648ac1eeeae67bd8c9102ce30ad845f80c799c95

  • SHA512

    fa55e45bca00386b970d821388e68467547ad87682f9b3576b1c78acfa4ce6cce0118ce107472deb5ea21fd52ea6ed6fe6fa70b7c2f9a6fac706a358098589f7

  • SSDEEP

    12288:wB1oVeonDkhJY4GKC3JZj9BPpe1P5KHliLgU0j/YEwxCB2oE9qZA30R+/wIgrXj1:io5+NeZjReJ4H5HD0xS2oEwZA36Ig3Qi

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.grupodeltron.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    #XZAy-NG^s0r

Extracted

Family

agenttesla

Credentials

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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff7fe4adccbf79733798ebd0648ac1eeeae67bd8c9102ce30ad845f80c799c95.exe
    "C:\Users\Admin\AppData\Local\Temp\ff7fe4adccbf79733798ebd0648ac1eeeae67bd8c9102ce30ad845f80c799c95.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Users\Admin\AppData\Local\Temp\ff7fe4adccbf79733798ebd0648ac1eeeae67bd8c9102ce30ad845f80c799c95.exe
      "C:\Users\Admin\AppData\Local\Temp\ff7fe4adccbf79733798ebd0648ac1eeeae67bd8c9102ce30ad845f80c799c95.exe"
      2⤵
        PID:1616
      • C:\Users\Admin\AppData\Local\Temp\ff7fe4adccbf79733798ebd0648ac1eeeae67bd8c9102ce30ad845f80c799c95.exe
        "C:\Users\Admin\AppData\Local\Temp\ff7fe4adccbf79733798ebd0648ac1eeeae67bd8c9102ce30ad845f80c799c95.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4916

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ff7fe4adccbf79733798ebd0648ac1eeeae67bd8c9102ce30ad845f80c799c95.exe.log

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • memory/4460-8-0x00000000054F0000-0x00000000054F8000-memory.dmp

            Filesize

            32KB

          • memory/4460-1-0x00000000009F0000-0x0000000000AAC000-memory.dmp

            Filesize

            752KB

          • memory/4460-3-0x0000000005520000-0x00000000055B2000-memory.dmp

            Filesize

            584KB

          • memory/4460-4-0x00000000054B0000-0x00000000054BA000-memory.dmp

            Filesize

            40KB

          • memory/4460-5-0x00000000057E0000-0x000000000587C000-memory.dmp

            Filesize

            624KB

          • memory/4460-6-0x0000000074890000-0x0000000075040000-memory.dmp

            Filesize

            7.7MB

          • memory/4460-7-0x00000000054D0000-0x00000000054EC000-memory.dmp

            Filesize

            112KB

          • memory/4460-0-0x000000007489E000-0x000000007489F000-memory.dmp

            Filesize

            4KB

          • memory/4460-2-0x0000000005AD0000-0x0000000006074000-memory.dmp

            Filesize

            5.6MB

          • memory/4460-9-0x0000000001480000-0x000000000148C000-memory.dmp

            Filesize

            48KB

          • memory/4460-10-0x0000000006480000-0x0000000006502000-memory.dmp

            Filesize

            520KB

          • memory/4460-14-0x0000000074890000-0x0000000075040000-memory.dmp

            Filesize

            7.7MB

          • memory/4916-11-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4916-15-0x0000000074890000-0x0000000075040000-memory.dmp

            Filesize

            7.7MB

          • memory/4916-16-0x0000000074890000-0x0000000075040000-memory.dmp

            Filesize

            7.7MB

          • memory/4916-17-0x00000000050A0000-0x0000000005106000-memory.dmp

            Filesize

            408KB

          • memory/4916-18-0x0000000006740000-0x0000000006790000-memory.dmp

            Filesize

            320KB

          • memory/4916-19-0x0000000074890000-0x0000000075040000-memory.dmp

            Filesize

            7.7MB