General

  • Target

    aspnet80.exe

  • Size

    708KB

  • Sample

    240616-v645razhja

  • MD5

    a7073a3267e29df0e36f16760942c4da

  • SHA1

    9fb42b03685673a6936643673036a0832b90d039

  • SHA256

    599ba59f51a3bb9db2dc7a572df715182d049fefa829e6ff6debdd38d20b7632

  • SHA512

    b7323bc3de45540cec738cf94b87bd6cb942e889126ca9f680731f1899ef95ab90cbd0fa240b562cbb9c9c4d275f29173e85accbfc183a39045e0c70ff358419

  • SSDEEP

    12288:lJFZqYMOaQ0q9nV/zsnK23KHVI6nodVdyMLiqyVcxwtVxgpMiuzOTIfwj7LD5fe:zFZqhOBnVyK23C6OoYMLiVcKtVx4Miu9

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Targets

    • Target

      aspnet80.exe

    • Size

      708KB

    • MD5

      a7073a3267e29df0e36f16760942c4da

    • SHA1

      9fb42b03685673a6936643673036a0832b90d039

    • SHA256

      599ba59f51a3bb9db2dc7a572df715182d049fefa829e6ff6debdd38d20b7632

    • SHA512

      b7323bc3de45540cec738cf94b87bd6cb942e889126ca9f680731f1899ef95ab90cbd0fa240b562cbb9c9c4d275f29173e85accbfc183a39045e0c70ff358419

    • SSDEEP

      12288:lJFZqYMOaQ0q9nV/zsnK23KHVI6nodVdyMLiqyVcxwtVxgpMiuzOTIfwj7LD5fe:zFZqhOBnVyK23C6OoYMLiVcKtVx4Miu9

    • Modifies firewall policy service

    • Sality

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

    • UAC bypass

    • Windows security bypass

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • 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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Replication Through Removable Media

1
T1091

Tasks