Overview

overview

10

Static

static

CHIKWA..exe

windows7_x64

10

CHIKWA..exe

windows10_x64

10

Sharing

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General

  • Target

    CHIKWA..exe

  • Size

    20KB

  • Sample

    201201-3dphhhsbfn

  • MD5

    a2efd1ac34c151a0099342619d5d046f

  • SHA1

    d3c39ff8b425565983aa0277c348e7acb49c0007

  • SHA256

    36a4c21f4c6cc8b615bea7141b510fdd5bbae68ee02b262f8215f88f64cf51f6

  • SHA512

    b6a445a1d43cf529d054dc05a42c01337eb1fc3bfc5d00599ed75266ac3407652e73740a49cd0da77768be6e3caa9d98ce1fec636579ef60a8757f5901a70332

Score
10/10
massloggerpersistencespywarestealer

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.banoto.com
  • Port:
    587
  • Username:
    misinegol@banoto.com
  • Password:
    ban127001

Targets

    • Target

      CHIKWA..exe

    • Size

      20KB

    • MD5

      a2efd1ac34c151a0099342619d5d046f

    • SHA1

      d3c39ff8b425565983aa0277c348e7acb49c0007

    • SHA256

      36a4c21f4c6cc8b615bea7141b510fdd5bbae68ee02b262f8215f88f64cf51f6

    • SHA512

      b6a445a1d43cf529d054dc05a42c01337eb1fc3bfc5d00599ed75266ac3407652e73740a49cd0da77768be6e3caa9d98ce1fec636579ef60a8757f5901a70332

    Score
    10/10
    massloggerpersistencespywarestealer

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

      stealerspywaremasslogger

    • MassLogger Main Payload

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spyware

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks