General

  • Target

    2024-05-19_a6e1e52c6ba49a3fc97508c84e51a435_bkransomware

  • Size

    525KB

  • Sample

    240519-q1hmcaaf85

  • MD5

    a6e1e52c6ba49a3fc97508c84e51a435

  • SHA1

    4142dfa81ca4c99b6f634cd30247b646c2ceeb6e

  • SHA256

    069bd683d48e239fea7f0cb0d3d5c1d42c253debdceb5da029fba31b9036ff69

  • SHA512

    d7f4f018c63ae68b0901cbd43ec9d0bb7b03a7c2396d59926b83ded8b233734fb44476c09c21bf3f17b6cd076e434b0e96f3a3a5adfbaf3503163acae62508fe

  • SSDEEP

    6144:iYrIOXsqmWzJrdc6GJRQUXGUA9PRWLiFSbE56FORF5Y1RR8bf8HN:y2lWRPXhA9PRWg9pCKUHN

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Targets

    • Target

      2024-05-19_a6e1e52c6ba49a3fc97508c84e51a435_bkransomware

    • Size

      525KB

    • MD5

      a6e1e52c6ba49a3fc97508c84e51a435

    • SHA1

      4142dfa81ca4c99b6f634cd30247b646c2ceeb6e

    • SHA256

      069bd683d48e239fea7f0cb0d3d5c1d42c253debdceb5da029fba31b9036ff69

    • SHA512

      d7f4f018c63ae68b0901cbd43ec9d0bb7b03a7c2396d59926b83ded8b233734fb44476c09c21bf3f17b6cd076e434b0e96f3a3a5adfbaf3503163acae62508fe

    • SSDEEP

      6144:iYrIOXsqmWzJrdc6GJRQUXGUA9PRWLiFSbE56FORF5Y1RR8bf8HN:y2lWRPXhA9PRWg9pCKUHN

    • Modifies firewall policy service

    • Sality

      Sality is backdoor written in C++, first discovered in 2003.

    • UAC bypass

    • Windows security bypass

    • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality

    • UPX dump on OEP (original entry point)

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Replication Through Removable Media

1
T1091

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Defense Evasion

Modify Registry

5
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify Tools

3
T1562.001

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Replication Through Removable Media

1
T1091

Tasks