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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06/08/2024, 09:04

General

  • Target

    MalwareBazaar.exe

  • Size

    759KB

  • MD5

    dfca31273bca0dfaf8902452e3d31d35

  • SHA1

    8b21de1f93996a6b657d7ec94241f85ca27e7c8e

  • SHA256

    94b67846d37007341608fe74d27d1ae0298d558d573a172d9013c42828eaa14a

  • SHA512

    84810f927bfa0b2f2f9eb4472b4073f64a0be6764e9bc513eaf0efd76b049722c106797653b246f15a642e00441a7580afef3580e4247e40dea352896e8c9760

  • SSDEEP

    12288:Xmp6d74dwmC/YPwaZBSvF9daCiBTi0QbwVcQ39G7waM16LA69PWNx4THQPb8jQqN:dheTilbw7tGUaIV/x4TmkMvEJJjUsB

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
      "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2432-0-0x00000000741CE000-0x00000000741CF000-memory.dmp

    Filesize

    4KB

  • memory/2432-1-0x0000000000C40000-0x0000000000D04000-memory.dmp

    Filesize

    784KB

  • memory/2432-2-0x00000000741C0000-0x00000000748AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2432-3-0x00000000006B0000-0x00000000006C8000-memory.dmp

    Filesize

    96KB

  • memory/2432-4-0x00000000006D0000-0x00000000006DE000-memory.dmp

    Filesize

    56KB

  • memory/2432-5-0x00000000006E0000-0x00000000006F6000-memory.dmp

    Filesize

    88KB

  • memory/2432-6-0x0000000005BF0000-0x0000000005C74000-memory.dmp

    Filesize

    528KB

  • memory/2432-19-0x00000000741C0000-0x00000000748AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2916-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2916-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2916-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2916-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2916-18-0x00000000741C0000-0x00000000748AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2916-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2916-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2916-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2916-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2916-20-0x00000000741C0000-0x00000000748AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2916-21-0x00000000741C0000-0x00000000748AE000-memory.dmp

    Filesize

    6.9MB