Overview

overview

10

Static

static

3

UndertaleTrainer.exe

windows7-x64

10

UndertaleTrainer.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    UndertaleTrainer.exe

  • Size

    3.8MB

  • Sample

    231224-wpqfpsdfbj

  • MD5

    8669e8f71fd06872bbc1d2399c33d7b1

  • SHA1

    6cdcbc65e5b4d30c3e2e9e3e2c7ad4ed8373bcc5

  • SHA256

    b7d757263aac8d89154f7962550b795cca99e2df080d8bfdfbc3582b1a0d8d43

  • SHA512

    b353fb22d846994f6c09258cccf63f92ae9db14e4dc5965bc67c7c539bdc8f51e599c7bb70a6668d8d6aeacb1551e333ae70630e1ac58f21c49032052dffa847

  • SSDEEP

    12288:zNS9x1JXkDAoqsTAoFhb6lRZu4W1K8waHyu2Um4ytvqMNVw2LW86B7SiU:zeAzW4f

Score
10/10
marsstealerdefaultspywarestealer

Malware Config

Extracted

Family

marsstealer

Botnet

Default

C2

www.msk-post.com/server/init.php

Targets

    • Target

      UndertaleTrainer.exe

    • Size

      3.8MB

    • MD5

      8669e8f71fd06872bbc1d2399c33d7b1

    • SHA1

      6cdcbc65e5b4d30c3e2e9e3e2c7ad4ed8373bcc5

    • SHA256

      b7d757263aac8d89154f7962550b795cca99e2df080d8bfdfbc3582b1a0d8d43

    • SHA512

      b353fb22d846994f6c09258cccf63f92ae9db14e4dc5965bc67c7c539bdc8f51e599c7bb70a6668d8d6aeacb1551e333ae70630e1ac58f21c49032052dffa847

    • SSDEEP

      12288:zNS9x1JXkDAoqsTAoFhb6lRZu4W1K8waHyu2Um4ytvqMNVw2LW86B7SiU:zeAzW4f

    Score
    10/10
    marsstealerdefaultspywarestealer

    • Mars Stealer

      An infostealer written in C++ based on other infostealers.

      stealermarsstealer

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks