Analysis

  • max time kernel
    16s
  • max time network
    106s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-09-2024 12:09

General

  • Target

    Shipping documents 0007784885995.exe

  • Size

    1.3MB

  • MD5

    e86575a232070dcefb4935b42ddaf638

  • SHA1

    a81830526f2ce9952d2a1aeedb63f4de425772c5

  • SHA256

    872269f800e9b8439dfd62c980157fa0ba5ec2f5d9416e15aeb11b62253c680e

  • SHA512

    3933117374f05bd2737aee89cf5bbedab00a30f0fe7c619bfdf541de25376295ac78adc38a68229c446e300fc6018873e83c788505afbc824d3ba47e8040040d

  • SSDEEP

    24576:2Tma75ARF6UxeUVPe6Jh5pdL5xQ9shRIKKH69+c:26a75Ae4jpdL5Ok9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping documents 0007784885995.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping documents 0007784885995.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\Shipping documents 0007784885995.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping documents 0007784885995.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2220-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

    Filesize

    4KB

  • memory/2220-1-0x0000000000F70000-0x00000000010B6000-memory.dmp

    Filesize

    1.3MB

  • memory/2220-2-0x0000000000550000-0x0000000000598000-memory.dmp

    Filesize

    288KB

  • memory/2220-18-0x00000000743C0000-0x0000000074AAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-5-0x00000000743C0000-0x0000000074AAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2596-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2596-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2596-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2596-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2596-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2596-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2596-17-0x00000000743C0000-0x0000000074AAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-16-0x00000000743C0000-0x0000000074AAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2596-19-0x00000000743C0000-0x0000000074AAE000-memory.dmp

    Filesize

    6.9MB