Analysis

  • max time kernel
    132s
  • 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
    11-12-2023 09:21

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.4898.exe

  • Size

    612KB

  • MD5

    7c136f72ed32e4ea0265922ba6308b0b

  • SHA1

    aa09251be76828379f94f71366c9b2310cca8670

  • SHA256

    1c1ffe1a97f66ee3f36058ba41beda34fe52b2a4ff3e10dbf487d3ead8ca8432

  • SHA512

    a1da550da0ee6ec1132bc619dd3891a48764b965b9a6337d4c4ea56ab36d4bfbe687f2003105a647b878abcc5275d1876324e06d14a0b35d33d68c7286216430

  • SSDEEP

    12288:63IU8S6eUdL0s4KmzUVaEUdtwP6tqWzBDsIt1EEUGGC3tUAY:QItSAdL0kZcdc6971EEa6t

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 5 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.4898.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4898.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4898.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4898.exe"
      2⤵
        PID:3960
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4898.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4898.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:224

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/224-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/224-19-0x00000000052F0000-0x0000000005300000-memory.dmp

      Filesize

      64KB

    • memory/224-18-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/224-17-0x0000000006C10000-0x0000000006C60000-memory.dmp

      Filesize

      320KB

    • memory/224-16-0x00000000055F0000-0x0000000005656000-memory.dmp

      Filesize

      408KB

    • memory/224-15-0x00000000052F0000-0x0000000005300000-memory.dmp

      Filesize

      64KB

    • memory/224-13-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-4-0x0000000004CF0000-0x0000000004D00000-memory.dmp

      Filesize

      64KB

    • memory/1964-8-0x0000000005CD0000-0x0000000005CDA000-memory.dmp

      Filesize

      40KB

    • memory/1964-9-0x0000000008730000-0x00000000087AA000-memory.dmp

      Filesize

      488KB

    • memory/1964-10-0x000000000B850000-0x000000000B8EC000-memory.dmp

      Filesize

      624KB

    • memory/1964-7-0x0000000005210000-0x0000000005218000-memory.dmp

      Filesize

      32KB

    • memory/1964-6-0x00000000061B0000-0x00000000061C8000-memory.dmp

      Filesize

      96KB

    • memory/1964-14-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-5-0x0000000004C30000-0x0000000004C3A000-memory.dmp

      Filesize

      40KB

    • memory/1964-0-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

      Filesize

      584KB

    • memory/1964-2-0x0000000005220000-0x00000000057C4000-memory.dmp

      Filesize

      5.6MB

    • memory/1964-1-0x00000000000F0000-0x0000000000190000-memory.dmp

      Filesize

      640KB