General

  • Target

    2024-05-24_a1c475b1af8aef6f1a60000e831d267b_bkransomware

  • Size

    71KB

  • Sample

    240524-t2q7nacd84

  • MD5

    a1c475b1af8aef6f1a60000e831d267b

  • SHA1

    9336f3594bb53abec8b47f7999f0ed2e611957b5

  • SHA256

    6eaa71d6e78d1dfa6ec35bdd635d3a3eae71c73ae97ea90cb5ff6f5911a8145a

  • SHA512

    aed864272d090864f60ecac5defdc89a859022606dfa3fba4b2e67780ec99e6d5cf661c2d3c05d074a921f03411a9f2198027396115e2654ff97962a76982127

  • SSDEEP

    1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTq:ZRpAyazIliazTq

Malware Config

Targets

    • Target

      2024-05-24_a1c475b1af8aef6f1a60000e831d267b_bkransomware

    • Size

      71KB

    • MD5

      a1c475b1af8aef6f1a60000e831d267b

    • SHA1

      9336f3594bb53abec8b47f7999f0ed2e611957b5

    • SHA256

      6eaa71d6e78d1dfa6ec35bdd635d3a3eae71c73ae97ea90cb5ff6f5911a8145a

    • SHA512

      aed864272d090864f60ecac5defdc89a859022606dfa3fba4b2e67780ec99e6d5cf661c2d3c05d074a921f03411a9f2198027396115e2654ff97962a76982127

    • SSDEEP

      1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTq:ZRpAyazIliazTq

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Collection

Data from Local System

1
T1005

Tasks