Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 14:14

General

  • Target

    RFQ155115.exe

  • Size

    809KB

  • MD5

    bc7f894d4ac5380359cc4ecfb5e89540

  • SHA1

    dc4c07d683c482f878971840a407efac016ce360

  • SHA256

    ded4d7400f9b37aa33cddbe13bb8f7bbb3a3acf4e4708d0b7cfededa46ffb79b

  • SHA512

    d6c4c9240173b3bcf673980da8a40c811c94616512414b12fa99c4b88c03a2aa306724586ae478c23292c658ed6409d719dbfc256dbc8232959d01fd3d012b92

  • SSDEEP

    24576:9XKtD/61Ijjp/M5VYLCrrVCm51jNOOty+oZQGF3z:M6Kjjp/u5XV/bjQ0mZt

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ155115.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ155115.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\RFQ155115.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ155115.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2192-1-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2192-0-0x0000000001160000-0x0000000001230000-memory.dmp

    Filesize

    832KB

  • memory/2192-2-0x0000000001010000-0x0000000001050000-memory.dmp

    Filesize

    256KB

  • memory/2192-3-0x0000000000620000-0x0000000000638000-memory.dmp

    Filesize

    96KB

  • memory/2192-4-0x0000000000680000-0x0000000000688000-memory.dmp

    Filesize

    32KB

  • memory/2192-5-0x0000000000690000-0x000000000069A000-memory.dmp

    Filesize

    40KB

  • memory/2192-6-0x0000000005270000-0x00000000052EE000-memory.dmp

    Filesize

    504KB

  • memory/2192-18-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2336-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2336-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2336-10-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2336-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2336-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2336-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2336-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2336-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2336-19-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/2336-20-0x0000000000F40000-0x0000000000F80000-memory.dmp

    Filesize

    256KB

  • memory/2336-23-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB