Overview

overview

10

Static

static

1

♪ Downlo...MK.exe

windows7-x64

10

♪ Downlo...MK.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    42s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2023 19:29

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General

  • Target

    ♪ Download to Listen VoiceT.MK.exe

  • Size

    1.6MB

  • MD5

    e3c0485e590643f8da1526a1db60c9cf

  • SHA1

    e88c3257f84372c1c999d79d1bd59a721904baef

  • SHA256

    810fd35bb4cb80c67a4e5887be706fb93b81862dcfc4d488feb4f1c40e817700

  • SHA512

    ae45340427b5d687e870ca373a9ace229483fba7713a4820dad32099251686536753ccf9027e96855e7a502b6aefadd8c6fabdba5726bf86f2489c729589b446

  • SSDEEP

    49152:GIbQoc+JS5kKfL6fb3tvbhWN7awmLUd3e9A0NMOu+PT:GpNfmplW1rmwd3e9AIlb

Score
10/10
agentteslapurecryptercollectiondownloaderkeyloggerloaderspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.agrimax.rs
  • Port:
    587
  • Username:
    komercijala@agrimax.rs
  • Password:
    Dandiruya2017
  • Email To:
    ontwoo1@yandex.com

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Detect PureCrypter injector 1 IoCs
    loader
  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

    loaderdownloaderpurecrypter
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • 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 behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\♪ Download to Listen VoiceT.MK.exe
    "C:\Users\Admin\AppData\Local\Temp\♪ Download to Listen VoiceT.MK.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • outlook_office_path
    • outlook_win_path
    PID:1740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1740-54-0x0000000001240000-0x00000000013D8000-memory.dmp
    Filesize

    1.6MB

    Download
  • memory/1740-55-0x000000001C1F0000-0x000000001C464000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/1740-56-0x0000000000570000-0x00000000005C8000-memory.dmp
    Filesize

    352KB

    Download
  • memory/1740-57-0x00000000005D0000-0x000000000060C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/1740-58-0x000000001C177000-0x000000001C196000-memory.dmp
    Filesize

    124KB

    Download
  • memory/1740-59-0x000000001C177000-0x000000001C196000-memory.dmp
    Filesize

    124KB

    Download