Analysis

  • max time kernel
    139s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2023, 09:19

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.21245.exe

  • Size

    776KB

  • MD5

    4d990706b21eba76212f69892348f5b8

  • SHA1

    0eb6970c848fb25f1f19695cf92f7066c0ec3b4d

  • SHA256

    5e32a7b5320ee9b3277092e547033be4d247629a4cfe396c19ed326bc2063210

  • SHA512

    5c35d522a48c7e38b4ee048af3ecd7f4628c83e77a0e32e109051d46921398ec3305f50b48d40ce8bfbce2ffe433fb47c8e12f661e720c2c71ccc88b5edaa19c

  • SSDEEP

    12288:wDPVSeYuPTEs1h90TjJeaYOfUCzNRJOcttiVYWVT70PY0j9WB:EPdjTtUx0jCB7xtiVYW5hE

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.printforyou.pl
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Maciekmaciek2016!@@

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21245.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21245.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21245.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21245.exe"
      2⤵
        PID:1788
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21245.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21245.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1488

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.PWSX-gen.21245.exe.log

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • memory/1488-10-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1488-19-0x0000000005790000-0x00000000057A0000-memory.dmp

            Filesize

            64KB

          • memory/1488-18-0x0000000074B20000-0x00000000752D0000-memory.dmp

            Filesize

            7.7MB

          • memory/1488-17-0x0000000006D70000-0x0000000006DC0000-memory.dmp

            Filesize

            320KB

          • memory/1488-16-0x0000000005720000-0x0000000005786000-memory.dmp

            Filesize

            408KB

          • memory/1488-15-0x0000000005790000-0x00000000057A0000-memory.dmp

            Filesize

            64KB

          • memory/1488-13-0x0000000074B20000-0x00000000752D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4304-4-0x0000000005B00000-0x0000000005B10000-memory.dmp

            Filesize

            64KB

          • memory/4304-9-0x0000000009940000-0x00000000099DC000-memory.dmp

            Filesize

            624KB

          • memory/4304-8-0x0000000006EF0000-0x0000000006F6C000-memory.dmp

            Filesize

            496KB

          • memory/4304-7-0x0000000006BF0000-0x0000000006BFA000-memory.dmp

            Filesize

            40KB

          • memory/4304-6-0x0000000005C00000-0x0000000005C16000-memory.dmp

            Filesize

            88KB

          • memory/4304-14-0x0000000074B20000-0x00000000752D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4304-5-0x0000000005A90000-0x0000000005A9A000-memory.dmp

            Filesize

            40KB

          • memory/4304-1-0x0000000074B20000-0x00000000752D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4304-3-0x00000000059C0000-0x0000000005A52000-memory.dmp

            Filesize

            584KB

          • memory/4304-2-0x0000000006040000-0x00000000065E4000-memory.dmp

            Filesize

            5.6MB

          • memory/4304-0-0x0000000000F30000-0x0000000000FF8000-memory.dmp

            Filesize

            800KB