Analysis

  • max time kernel
    14s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    12-11-2024 01:48

General

  • Target

    9287778bbf882b1b23718d3055150ba418da92b4145856c72589615ff761f148.exe

  • Size

    373KB

  • MD5

    6b210bf60cc41e6cf1a8c5966f3932e8

  • SHA1

    a58ad0b0764d44543ee83922f3712a44cdc3fe91

  • SHA256

    9287778bbf882b1b23718d3055150ba418da92b4145856c72589615ff761f148

  • SHA512

    36a99e072dcd9d1b40467756322c459f11b5d546ec74a1de81f3a93d301e387314b0f3d44961253062681df0bd4817606ba250c0bbcaaf2a40b368793ebc78fc

  • SSDEEP

    6144:tvvG3S3mIvl54AzB3QnMDN8Ouxg3yfO1U7Vq3oDMR5xrIZkFDfFhoxzJvzAn:jWylZVMKifT7EEMp/FDthobvz

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\9287778bbf882b1b23718d3055150ba418da92b4145856c72589615ff761f148.exe
    "C:\Users\Admin\AppData\Local\Temp\9287778bbf882b1b23718d3055150ba418da92b4145856c72589615ff761f148.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Users\Admin\AppData\Local\Temp\9287778bbf882b1b23718d3055150ba418da92b4145856c72589615ff761f148.exe
      "C:\Users\Admin\AppData\Local\Temp\9287778bbf882b1b23718d3055150ba418da92b4145856c72589615ff761f148.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2544-0-0x0000000073C4E000-0x0000000073C4F000-memory.dmp

    Filesize

    4KB

  • memory/2544-1-0x0000000000BA0000-0x0000000000C04000-memory.dmp

    Filesize

    400KB

  • memory/2544-2-0x00000000006E0000-0x0000000000728000-memory.dmp

    Filesize

    288KB

  • memory/2544-16-0x0000000073C40000-0x000000007432E000-memory.dmp

    Filesize

    6.9MB

  • memory/2544-14-0x0000000073C40000-0x000000007432E000-memory.dmp

    Filesize

    6.9MB

  • memory/2892-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2892-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2892-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2892-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2892-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2892-4-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2892-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2892-15-0x0000000073C40000-0x000000007432E000-memory.dmp

    Filesize

    6.9MB

  • memory/2892-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2892-17-0x0000000073C40000-0x000000007432E000-memory.dmp

    Filesize

    6.9MB

  • memory/2892-18-0x0000000073C40000-0x000000007432E000-memory.dmp

    Filesize

    6.9MB