Analysis

  • max time kernel
    122s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:04

General

  • Target

    09d3784d1f2f53fa0f4f30ea6a707acf92def296e10b25d3a42625db5823bfaa.exe

  • Size

    2.3MB

  • MD5

    93865833b3053530f78b1383f9209814

  • SHA1

    a79c8913e2dfb460e44b8d2e6a50d7fd92ea6612

  • SHA256

    09d3784d1f2f53fa0f4f30ea6a707acf92def296e10b25d3a42625db5823bfaa

  • SHA512

    4d46193d703504886e3e10276be867a31c92e922b3e2e461c85fbd573f54819756388d51c090d6c39d16c097b0785ad740405ca4f3309fc72b03ca4480e1c1e0

  • SSDEEP

    49152:2/VZrC9C/srB/8CO253KJf+vqioQIEh6U+Y70e1tBgT1ETeRxn5aa:2/z6CEJZ953K1+f+M+m0e1tBg2mxn8a

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    YuWsikfV67lD

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09d3784d1f2f53fa0f4f30ea6a707acf92def296e10b25d3a42625db5823bfaa.exe
    "C:\Users\Admin\AppData\Local\Temp\09d3784d1f2f53fa0f4f30ea6a707acf92def296e10b25d3a42625db5823bfaa.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3872
    • C:\Users\Admin\AppData\Local\Temp\09d3784d1f2f53fa0f4f30ea6a707acf92def296e10b25d3a42625db5823bfaa.exe
      "C:\Users\Admin\AppData\Local\Temp\09d3784d1f2f53fa0f4f30ea6a707acf92def296e10b25d3a42625db5823bfaa.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\09d3784d1f2f53fa0f4f30ea6a707acf92def296e10b25d3a42625db5823bfaa.exe.log

    Filesize

    716B

    MD5

    a92a2835b20b01436fb6517e97090bb1

    SHA1

    1a179d6b4018cc896708aa112b9d683176ba59b9

    SHA256

    807a02aa126863cf5b802851a3b42d233a856346c0fb13517236815a1764e963

    SHA512

    ef51b2bcfa1cdd33a02176d87b609f8ea4a6c4cfcf69094e88459a19bd1c187872b3a789a46e28869dad63f559cab8d51ac1125a172d71c477f3dd0ec60550a9

  • memory/3872-0-0x000000007484E000-0x000000007484F000-memory.dmp

    Filesize

    4KB

  • memory/3872-1-0x0000000000030000-0x0000000000276000-memory.dmp

    Filesize

    2.3MB

  • memory/3872-2-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3872-3-0x0000000004E10000-0x0000000005040000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-4-0x0000000006170000-0x00000000063A0000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-5-0x00000000063A0000-0x00000000065D2000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-11-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-9-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-31-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-39-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-55-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-63-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-61-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-59-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-57-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-53-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-51-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-49-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-47-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-45-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-43-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-41-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-38-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-35-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-33-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-29-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-27-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-23-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-25-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-21-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-19-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-17-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-15-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-13-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-7-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-6-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-65-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-67-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-69-0x00000000063A0000-0x00000000065CC000-memory.dmp

    Filesize

    2.2MB

  • memory/3872-4892-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3872-4894-0x00000000065D0000-0x000000000661C000-memory.dmp

    Filesize

    304KB

  • memory/3872-4893-0x0000000004C50000-0x0000000004CBC000-memory.dmp

    Filesize

    432KB

  • memory/3872-4895-0x000000007484E000-0x000000007484F000-memory.dmp

    Filesize

    4KB

  • memory/3872-4896-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3872-4897-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3872-4898-0x0000000006F30000-0x00000000074D4000-memory.dmp

    Filesize

    5.6MB

  • memory/3872-4899-0x0000000004D40000-0x0000000004D94000-memory.dmp

    Filesize

    336KB

  • memory/3872-4906-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/5068-4905-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/5068-4904-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/5068-4907-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/5068-4908-0x0000000005560000-0x00000000055C6000-memory.dmp

    Filesize

    408KB

  • memory/5068-4909-0x0000000006A30000-0x0000000006A80000-memory.dmp

    Filesize

    320KB

  • memory/5068-4910-0x0000000006B20000-0x0000000006BBC000-memory.dmp

    Filesize

    624KB

  • memory/5068-4911-0x0000000006C60000-0x0000000006CF2000-memory.dmp

    Filesize

    584KB

  • memory/5068-4912-0x0000000006C00000-0x0000000006C0A000-memory.dmp

    Filesize

    40KB

  • memory/5068-4913-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB