Analysis

  • max time kernel
    92s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 02:07

General

  • Target

    ac2afe425743c0f483359c35a4b4c8955eacb74d127c295570b1aba534b03595.exe

  • Size

    873KB

  • MD5

    eb174610b35035ea81a9dc798b189036

  • SHA1

    dc44dba01992f44b692885da94e12abe5df2817b

  • SHA256

    ac2afe425743c0f483359c35a4b4c8955eacb74d127c295570b1aba534b03595

  • SHA512

    38ec27f422e63dbe0450df09395bc601822fd1ab34bb46b69658546d88467481e6f4626f0e00092ddb9ae7c262309e429b1f8073739e960b69d462e152c7d114

  • SSDEEP

    24576:b1+92RRuDnBTEQivz4bZUr1/X8S7w2rXlFX:b1jRRuDn5EQJ+hESE2zlFX

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.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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\ac2afe425743c0f483359c35a4b4c8955eacb74d127c295570b1aba534b03595.exe
    "C:\Users\Admin\AppData\Local\Temp\ac2afe425743c0f483359c35a4b4c8955eacb74d127c295570b1aba534b03595.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3660-0-0x00000000750AE000-0x00000000750AF000-memory.dmp

    Filesize

    4KB

  • memory/3660-1-0x00000000003C0000-0x000000000049E000-memory.dmp

    Filesize

    888KB

  • memory/3660-2-0x00000000052E0000-0x0000000005884000-memory.dmp

    Filesize

    5.6MB

  • memory/3660-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

    Filesize

    584KB

  • memory/3660-4-0x0000000004D60000-0x0000000004D6A000-memory.dmp

    Filesize

    40KB

  • memory/3660-5-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3660-6-0x0000000006390000-0x0000000006436000-memory.dmp

    Filesize

    664KB

  • memory/3660-7-0x0000000006460000-0x000000000647E000-memory.dmp

    Filesize

    120KB

  • memory/3660-8-0x0000000006490000-0x00000000064A0000-memory.dmp

    Filesize

    64KB

  • memory/3660-9-0x00000000067D0000-0x0000000006854000-memory.dmp

    Filesize

    528KB

  • memory/3660-10-0x0000000008E80000-0x0000000008F1C000-memory.dmp

    Filesize

    624KB

  • memory/3660-11-0x00000000750AE000-0x00000000750AF000-memory.dmp

    Filesize

    4KB

  • memory/3660-12-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3660-13-0x0000000006850000-0x0000000006892000-memory.dmp

    Filesize

    264KB

  • memory/3660-14-0x0000000009120000-0x0000000009186000-memory.dmp

    Filesize

    408KB

  • memory/3660-15-0x00000000069E0000-0x0000000006A30000-memory.dmp

    Filesize

    320KB