Overview

overview

10

Static

static

33a16e2862...c4.exe

windows7_x64

10

33a16e2862...c4.exe

windows10_x64

10

Sharing

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General

  • Target

    33a16e2862754c9f4bc6711a4517dac4.exe

  • Size

    676KB

  • Sample

    210715-21y5jt3x16

  • MD5

    33a16e2862754c9f4bc6711a4517dac4

  • SHA1

    841aa45a975c073ed25627fba062bad741de97cc

  • SHA256

    df85a38611751933558ef9e7da81e81025ffc5e5e92cedaf4d97fb0b9f147422

  • SHA512

    b1b34246d33cf916a4b5d4899a46139be4d3ac4aaa2279080e92e4e5090670902a42dccbcf90a382ddafda4449e8ba3da3b52e11c7ff859744e88f13b82913ba

Score
10/10
cryptbotdiscoveryspywarestealer

Malware Config

Extracted

Family

cryptbot

C2

wymbdu42.top

morkus04.top

Attributes
  • payload_url

    http://hofiwb05.top/download.php?file=lv.exe

Targets

    • Target

      33a16e2862754c9f4bc6711a4517dac4.exe

    • Size

      676KB

    • MD5

      33a16e2862754c9f4bc6711a4517dac4

    • SHA1

      841aa45a975c073ed25627fba062bad741de97cc

    • SHA256

      df85a38611751933558ef9e7da81e81025ffc5e5e92cedaf4d97fb0b9f147422

    • SHA512

      b1b34246d33cf916a4b5d4899a46139be4d3ac4aaa2279080e92e4e5090670902a42dccbcf90a382ddafda4449e8ba3da3b52e11c7ff859744e88f13b82913ba

    Score
    10/10
    cryptbotspywarestealerdiscovery

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

      spywarestealercryptbot

    • CryptBot Payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix

Collection

Data from Local System

3
T1005

Command and Control

Credential Access

Credentials in Files

3
T1081

Defense Evasion

Web Service

1
T1102

Modify Registry

1
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Tasks