Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 06:28

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.21504.exe

  • Size

    690KB

  • MD5

    d5288b1e9b08397e2ac89405c34b749f

  • SHA1

    a6f7a1d5e04a167e5a5ce160094d5da5b89036b2

  • SHA256

    704e5626e3a5c8b1b3dbefbeabca7488e77758c9aed89d0dc7e30d18da1b6bd9

  • SHA512

    df07aa72d2b50b02516d6ddd0659f5931ce930a04e3cabb65d251661c0e09e9688a788ab184084805a5d33aefccc378e91acb9be1b921c6a4169bcbbaef8552e

  • SSDEEP

    12288:b3IU8S6eUdNw9V18pt2FDKXSn6B8SKWRKL2ZIezvJBAhvRlCP5:rItSAdWrqiedtrYLjSxBATw5

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.nutiribio.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ATSzdD^8

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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 WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe"
      2⤵
        PID:4460
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe"
        2⤵
          PID:4104
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5016

      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.21504.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/5016-11-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/5016-20-0x0000000005150000-0x0000000005160000-memory.dmp

        Filesize

        64KB

      • memory/5016-19-0x0000000074560000-0x0000000074D10000-memory.dmp

        Filesize

        7.7MB

      • memory/5016-18-0x0000000006760000-0x00000000067B0000-memory.dmp

        Filesize

        320KB

      • memory/5016-17-0x00000000050D0000-0x0000000005136000-memory.dmp

        Filesize

        408KB

      • memory/5016-16-0x0000000005150000-0x0000000005160000-memory.dmp

        Filesize

        64KB

      • memory/5016-14-0x0000000074560000-0x0000000074D10000-memory.dmp

        Filesize

        7.7MB

      • memory/5048-5-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

        Filesize

        40KB

      • memory/5048-9-0x00000000025A0000-0x000000000261A000-memory.dmp

        Filesize

        488KB

      • memory/5048-10-0x00000000078D0000-0x000000000796C000-memory.dmp

        Filesize

        624KB

      • memory/5048-8-0x0000000005240000-0x000000000524A000-memory.dmp

        Filesize

        40KB

      • memory/5048-7-0x0000000004EA0000-0x0000000004EA8000-memory.dmp

        Filesize

        32KB

      • memory/5048-6-0x0000000004E80000-0x0000000004E98000-memory.dmp

        Filesize

        96KB

      • memory/5048-15-0x0000000074560000-0x0000000074D10000-memory.dmp

        Filesize

        7.7MB

      • memory/5048-1-0x0000000000130000-0x00000000001E2000-memory.dmp

        Filesize

        712KB

      • memory/5048-4-0x0000000004EB0000-0x0000000004EC0000-memory.dmp

        Filesize

        64KB

      • memory/5048-3-0x0000000004CB0000-0x0000000004D42000-memory.dmp

        Filesize

        584KB

      • memory/5048-2-0x0000000005260000-0x0000000005804000-memory.dmp

        Filesize

        5.6MB

      • memory/5048-0-0x0000000074560000-0x0000000074D10000-memory.dmp

        Filesize

        7.7MB