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Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/04/2024, 01:13

General

  • Target

    fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f.exe

  • Size

    998KB

  • MD5

    ce57959309208fdb8a556b18d1da0c2d

  • SHA1

    c4db542e2e8775b638bdba0631f6a6fa1c4a8ed1

  • SHA256

    fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f

  • SHA512

    cadc7d2e2d97fe69fa547a37c201b062a250e1478a0be68ba16a7517328702e3a6bc495a1e55ed13b570672386ac06ed2fdfe5f86195251350a4cd140b5d9e1d

  • SSDEEP

    12288:rRs3UwQ36kuFvTUr9/IPtBj9GEP/43PL8T7tHESqGDX30a:rRs33kuFY98QEIWBEQj30

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ndbplus.rs
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    boygirl123456

Signatures

  • AgentTesla

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

  • 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 1 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 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f.exe
    "C:\Users\Admin\AppData\Local\Temp\fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Local\Temp\fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f.exe
      "C:\Users\Admin\AppData\Local\Temp\fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2224-22-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2224-1-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2224-2-0x0000000004E50000-0x0000000004E90000-memory.dmp

    Filesize

    256KB

  • memory/2224-3-0x00000000003C0000-0x00000000003D8000-memory.dmp

    Filesize

    96KB

  • memory/2224-4-0x0000000000680000-0x000000000068E000-memory.dmp

    Filesize

    56KB

  • memory/2224-5-0x0000000000690000-0x00000000006A4000-memory.dmp

    Filesize

    80KB

  • memory/2224-6-0x0000000007800000-0x00000000078A8000-memory.dmp

    Filesize

    672KB

  • memory/2224-0-0x00000000009A0000-0x0000000000AA0000-memory.dmp

    Filesize

    1024KB

  • memory/2852-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2852-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2852-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2852-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2852-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2852-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2852-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2852-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2852-23-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2852-24-0x0000000004C90000-0x0000000004CD0000-memory.dmp

    Filesize

    256KB

  • memory/2852-25-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2852-26-0x0000000004C90000-0x0000000004CD0000-memory.dmp

    Filesize

    256KB