Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 16:41

General

  • Target

    Shipping documents 0000933349450065096000.exe

  • Size

    284KB

  • MD5

    10cc03882e85151ad4ca3db541f81cf3

  • SHA1

    be6b86b006b887fdc5abee6e64a25b5f237445a0

  • SHA256

    f2da88c88866585358047c6e08c8fd9c01178c3c8ec61345180d8335c68f3bb7

  • SHA512

    6cdce4f6a27b565d938adfeb59dbc8e9e3e2ed02d86281f62ce7de82febe71c45520bf13ce1834c9662fbf13880ff714227635399c6dce1bc43048852b2abc18

  • SSDEEP

    6144:UYRl7vMcPxo+C0Kl9D7k0UjHCHjQ9mHHa1gNC33FLkvKoNGJxmEa2QUkeS/op+:T4cY1DRUeHjomHHGgN7vKopwQReS/v

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.

  • 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.

  • 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 0000933349450065096000.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping documents 0000933349450065096000.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\Shipping documents 0000933349450065096000.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping documents 0000933349450065096000.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2696-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-18-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2696-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-15-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2696-16-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2696-4-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2696-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3044-0-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

    Filesize

    4KB

  • memory/3044-14-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-1-0x00000000000F0000-0x000000000013E000-memory.dmp

    Filesize

    312KB

  • memory/3044-17-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-2-0x0000000000700000-0x0000000000748000-memory.dmp

    Filesize

    288KB