Analysis

  • max time kernel
    7s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 16:35

General

  • Target

    HSBC Confirmation_pdf.exe

  • Size

    508KB

  • MD5

    dd348013f6383e0edd8eaa771003699d

  • SHA1

    c7ddd7c9587d700519c205ce54d48261e89c4019

  • SHA256

    3949bec4816ddc4f9f0e1f676f72e5080436bd25ef1deed355322fc818712cbe

  • SHA512

    8c72328c3a7cd1ebf691e4608da812979e59e49b1d00f0986d003658e1f84371f92b16714495c1cc0eeccc7e657497f0a3b83a0092bdaf708ed88c09da3f4c16

  • SSDEEP

    6144:jSgxZkvqveZV/kQlIrGVq79emWCLWcyqxmxcrwK/t:1MZVcQKGIUmDTrge/t

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    mydevelopmentstory.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ENugu@042EN

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://mydevelopmentstory.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ENugu@042EN

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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HSBC Confirmation_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\HSBC Confirmation_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Local\Temp\HSBC Confirmation_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\HSBC Confirmation_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2220-14-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2220-6-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2220-20-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB

  • memory/2220-4-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2220-16-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2220-5-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2220-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2220-17-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-19-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-18-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB

  • memory/2220-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2220-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2508-13-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2508-3-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/2508-1-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2508-2-0x0000000000550000-0x0000000000590000-memory.dmp

    Filesize

    256KB

  • memory/2508-0-0x0000000001370000-0x00000000013F4000-memory.dmp

    Filesize

    528KB