Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 01:22

General

  • Target

    packing list l kyritsis.PDF.exe

  • Size

    961KB

  • MD5

    9b5fd736ccb7d5e254de6cc4f5af7524

  • SHA1

    faa2846f9580383ae9800357aba29d270cb5e129

  • SHA256

    fcfbff5d4ca24328d97ee24d502bbf08d838ccfe5e52bb9dcfe4bdda976eede2

  • SHA512

    e0a1b51638cabf51d34f8b2018df71b22108e3cfb6754a63286750048f13fe9cdae972c77fa28df26533309939aa7044586637b7c053b3c6f67be5964612decd

  • SSDEEP

    24576:gtOrPOz+EzxWSsmSZCec/pkoqTe2z7ndB:Yz+iWSEZCZ/vy7nj

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.solucionesmexico.mx
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    dGG^ZYIxX5!B

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • 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 1 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\packing list l kyritsis.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\packing list l kyritsis.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\packing list l kyritsis.PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\packing list l kyritsis.PDF.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2028-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/2028-1-0x00000000001F0000-0x00000000002E6000-memory.dmp

    Filesize

    984KB

  • memory/2028-2-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/2028-3-0x0000000000670000-0x0000000000682000-memory.dmp

    Filesize

    72KB

  • memory/2028-4-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/2028-5-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/2028-6-0x0000000005260000-0x00000000052E6000-memory.dmp

    Filesize

    536KB

  • memory/2028-18-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/2800-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2800-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2800-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2800-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2800-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2800-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2800-19-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/2800-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2800-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2800-20-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/2800-21-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB