Analysis

  • max time kernel
    112s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-09-2024 01:00

General

  • Target

    05d0b2865cb2b3ed3cbed435b38bf2436c04c1acad46351d70d011da2f96c3cc.exe

  • Size

    835KB

  • MD5

    5923df60fd65e0d4a4e22d65f52d3d2f

  • SHA1

    d5ba5caeada36a7fbc9b3cad327ce1e71ca00435

  • SHA256

    05d0b2865cb2b3ed3cbed435b38bf2436c04c1acad46351d70d011da2f96c3cc

  • SHA512

    170eedbc383392191e40dbf0273f60533c939aa1a6b894ac0b15a7ab46d36c192a8ca1c4a8dfb3f8dbf593f9256873462215c12af4e7b1857e8b85415aa85867

  • SSDEEP

    12288:Tx9Y+no3LopTy34dCOUWxr03jWkBJPc9Y+S/ks5FiB6vCXTDE0/Fi6j:TIMo3qYWlMWkvcK+S/1Y5X80/p

Malware Config

Extracted

Credentials

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

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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05d0b2865cb2b3ed3cbed435b38bf2436c04c1acad46351d70d011da2f96c3cc.exe
    "C:\Users\Admin\AppData\Local\Temp\05d0b2865cb2b3ed3cbed435b38bf2436c04c1acad46351d70d011da2f96c3cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Users\Admin\AppData\Local\Temp\05d0b2865cb2b3ed3cbed435b38bf2436c04c1acad46351d70d011da2f96c3cc.exe
      "C:\Users\Admin\AppData\Local\Temp\05d0b2865cb2b3ed3cbed435b38bf2436c04c1acad46351d70d011da2f96c3cc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:64

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/64-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/64-14-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/64-13-0x0000000006B20000-0x0000000006BBC000-memory.dmp

    Filesize

    624KB

  • memory/64-12-0x0000000006A30000-0x0000000006A80000-memory.dmp

    Filesize

    320KB

  • memory/64-10-0x00000000053E0000-0x0000000005446000-memory.dmp

    Filesize

    408KB

  • memory/64-9-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/64-8-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/740-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

    Filesize

    584KB

  • memory/740-6-0x0000000005010000-0x0000000005058000-memory.dmp

    Filesize

    288KB

  • memory/740-5-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/740-4-0x0000000004F30000-0x0000000004F3A000-memory.dmp

    Filesize

    40KB

  • memory/740-11-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/740-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

    Filesize

    4KB

  • memory/740-2-0x0000000005320000-0x00000000058C4000-memory.dmp

    Filesize

    5.6MB

  • memory/740-1-0x00000000003B0000-0x0000000000488000-memory.dmp

    Filesize

    864KB