Overview

overview

10

Static

static

10

Yashma ran...1).exe

windows7-x64

10

Yashma ran...1).exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Yashma ransomware builder v1.2 (1).exe

  • Size

    825KB

  • Sample

    241205-zp6dps1pgy

  • MD5

    5120e2ada300c2eef255957dde5b84b0

  • SHA1

    dfb5c0b29fb235d34e851de234535474705be356

  • SHA256

    b24d58cd8d600431702b67fb815a92f465147553303c0f8a1867af77214dba75

  • SHA512

    958f089a7060188213dd00f6d73bbd625a89f98ccc0b5bf7b5963a3ef40677846e03a33866b79cec92fd29709ff8f0bd9a753397ef07f25779aedb02884d9f8c

  • SSDEEP

    6144:aMPUfX5X2onFLfFLzFL6FL6aGMVFLQ+FWD/:aLJX8QD

Score
10/10
chaospersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      Yashma ransomware builder v1.2 (1).exe

    • Size

      825KB

    • MD5

      5120e2ada300c2eef255957dde5b84b0

    • SHA1

      dfb5c0b29fb235d34e851de234535474705be356

    • SHA256

      b24d58cd8d600431702b67fb815a92f465147553303c0f8a1867af77214dba75

    • SHA512

      958f089a7060188213dd00f6d73bbd625a89f98ccc0b5bf7b5963a3ef40677846e03a33866b79cec92fd29709ff8f0bd9a753397ef07f25779aedb02884d9f8c

    • SSDEEP

      6144:aMPUfX5X2onFLfFLzFL6FL6aGMVFLQ+FWD/:aLJX8QD

    Score
    10/10
    chaosransomwarepersistencespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Chaos family

      chaos

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks