Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 16:56

General

  • Target

    2680-105-0x0000000000740000-0x0000000000782000-memory.exe

  • Size

    264KB

  • MD5

    a8c4b06d3368765a3c1f4f871629498d

  • SHA1

    7168ea59a594af8eeba105a6f70618f5bb0d0511

  • SHA256

    6be5fbf6605aeebf56c85d49ea8e237f1daaab7498c8b3f40cc0604375766b9f

  • SHA512

    355c80c43c2b00756a5e95e76f4933aeef2d40bd343b682a67c5ebdee0a2cdba7c00a7fbde49e1d2f9df1a4b7302f6307df3f78767763d0b6d6454f4a55a7dd8

  • SSDEEP

    3072:oY836S+KeiaftuCOCCIaFeOiofLP1T5hXR5bpset/I:p5S+Keia8C50iofLP17xsG

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.siscop.com.co
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    +5s48Ia2&-(t

Signatures

  • AgentTesla

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2680-105-0x0000000000740000-0x0000000000782000-memory.exe
    "C:\Users\Admin\AppData\Local\Temp\2680-105-0x0000000000740000-0x0000000000782000-memory.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1708-0-0x0000000000E40000-0x0000000000E82000-memory.dmp

    Filesize

    264KB

  • memory/1708-1-0x00000000744B0000-0x0000000074B9E000-memory.dmp

    Filesize

    6.9MB

  • memory/1708-2-0x0000000004A20000-0x0000000004A60000-memory.dmp

    Filesize

    256KB

  • memory/1708-3-0x00000000744B0000-0x0000000074B9E000-memory.dmp

    Filesize

    6.9MB

  • memory/1708-4-0x0000000004A20000-0x0000000004A60000-memory.dmp

    Filesize

    256KB