Analysis

  • max time kernel
    58s
  • max time network
    67s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06-12-2023 01:08

General

  • Target

    7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36c.exe

  • Size

    636KB

  • MD5

    5ed94cc7fe7a91bd4ac32347864deec1

  • SHA1

    0e2f9c3959e309753ed8541447c9e0e4d15e3201

  • SHA256

    7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36c

  • SHA512

    9e3894c3c7e00902493b3dd063798dac8f1a61351f8486227b37b026f246572dced7613ace433b6a43baeb1dc4d6ab0d4f986231fdacb3b5632df67e6465fa18

  • SSDEEP

    12288:JRnQaueH5qnsO4AvEqNqMzaHTMM9HwjjJo1xFulwct1F7BU+9dZHzM83mYubTJZS:JRlqn37QjHv9qJyvulfdP9dZA8xa1gYp

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.

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36c.exe
    "C:\Users\Admin\AppData\Local\Temp\7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4748
    • C:\Users\Admin\AppData\Local\Temp\7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36c.exe
      "C:\Users\Admin\AppData\Local\Temp\7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36c.exe.log

    Filesize

    1KB

    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/2116-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2116-20-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

    Filesize

    64KB

  • memory/2116-19-0x0000000073500000-0x0000000073BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2116-18-0x0000000006340000-0x0000000006390000-memory.dmp

    Filesize

    320KB

  • memory/2116-16-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

    Filesize

    64KB

  • memory/2116-17-0x0000000004EE0000-0x0000000004F46000-memory.dmp

    Filesize

    408KB

  • memory/2116-15-0x0000000073500000-0x0000000073BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/4748-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp

    Filesize

    40KB

  • memory/4748-9-0x0000000006870000-0x00000000068EA000-memory.dmp

    Filesize

    488KB

  • memory/4748-10-0x0000000008ED0000-0x0000000008F6C000-memory.dmp

    Filesize

    624KB

  • memory/4748-8-0x00000000052C0000-0x00000000052CA000-memory.dmp

    Filesize

    40KB

  • memory/4748-7-0x00000000052A0000-0x00000000052A8000-memory.dmp

    Filesize

    32KB

  • memory/4748-14-0x0000000073500000-0x0000000073BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/4748-6-0x0000000005190000-0x00000000051AA000-memory.dmp

    Filesize

    104KB

  • memory/4748-1-0x0000000073500000-0x0000000073BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/4748-4-0x0000000004EF0000-0x0000000004F00000-memory.dmp

    Filesize

    64KB

  • memory/4748-3-0x0000000004F20000-0x0000000004FB2000-memory.dmp

    Filesize

    584KB

  • memory/4748-2-0x0000000005380000-0x000000000587E000-memory.dmp

    Filesize

    5.0MB

  • memory/4748-0-0x0000000000610000-0x00000000006B4000-memory.dmp

    Filesize

    656KB