Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2025 05:51

General

  • Target

    edb50e85473329f205f9cde2fca57605b2dcafca75c12c9da52632bfc4249f26.exe

  • Size

    962KB

  • MD5

    74421477fafaf6beb9d8e3806e1f6643

  • SHA1

    44857e574c1892ef8a3f8c8f41c5c0c0aab20b83

  • SHA256

    edb50e85473329f205f9cde2fca57605b2dcafca75c12c9da52632bfc4249f26

  • SHA512

    d8c0c0a2945818d8e7acac55af35a53e7352326a7ec28e04edf5326e7cc5aa2e67983d800da3e1b7a7a3a6bd3942e5306c7b0037e338a2ef00be266a7b39c3c2

  • SSDEEP

    12288:TxaMaSzOKy2r7SPNvZlu+RNen3gV8zhcfP7neAs:TYMaSSKy2/SPNLvRNeQV8lcfP7eX

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evico
  • Password:
    Doll650#@

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 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
  • 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 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\edb50e85473329f205f9cde2fca57605b2dcafca75c12c9da52632bfc4249f26.exe
    "C:\Users\Admin\AppData\Local\Temp\edb50e85473329f205f9cde2fca57605b2dcafca75c12c9da52632bfc4249f26.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Users\Admin\AppData\Local\Temp\edb50e85473329f205f9cde2fca57605b2dcafca75c12c9da52632bfc4249f26.exe
      "C:\Users\Admin\AppData\Local\Temp\edb50e85473329f205f9cde2fca57605b2dcafca75c12c9da52632bfc4249f26.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1724-19-0x0000000074110000-0x00000000747FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1724-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1724-24-0x0000000074110000-0x00000000747FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1724-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1724-20-0x0000000074110000-0x00000000747FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1724-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1724-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1724-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1724-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1724-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1724-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1924-9-0x0000000074110000-0x00000000747FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1924-1-0x0000000000920000-0x0000000000A16000-memory.dmp

    Filesize

    984KB

  • memory/1924-0-0x000000007411E000-0x000000007411F000-memory.dmp

    Filesize

    4KB

  • memory/1924-21-0x0000000074110000-0x00000000747FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1924-2-0x0000000001F70000-0x0000000001FB8000-memory.dmp

    Filesize

    288KB