Overview

overview

10

Static

static

3

a9b2c4abe7...0f.exe

windows7-x64

10

a9b2c4abe7...0f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a9b2c4abe77c59be6c8c435d4b670e1df332e3e557deb0608fb61f8264a7200f

  • Size

    740KB

  • Sample

    240620-b23xca1gnc

  • MD5

    e530024da0fb81b9834730e53d7734b1

  • SHA1

    fd339c16a5e490e1b16d102a23f862200f7c7067

  • SHA256

    a9b2c4abe77c59be6c8c435d4b670e1df332e3e557deb0608fb61f8264a7200f

  • SHA512

    433cd6d80b556b6cf96e94e73dacd3ac2036cea4b67feffa05ccce0f5595c6dfe83b57541ea4e39d641d85101de5f66dcd36c5ff1428e8b1f0163b92256f4cae

  • SSDEEP

    12288:VTyjXW+48qWywrU4kGFezOAVuJ5PILww7F5DO3HYffsxmZ+B:ZIXW/8yw1ez54lInF5SXYHqma

Score
10/10
salitybackdoorevasionpersistencetrojanupx

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

      a9b2c4abe77c59be6c8c435d4b670e1df332e3e557deb0608fb61f8264a7200f

    • Size

      740KB

    • MD5

      e530024da0fb81b9834730e53d7734b1

    • SHA1

      fd339c16a5e490e1b16d102a23f862200f7c7067

    • SHA256

      a9b2c4abe77c59be6c8c435d4b670e1df332e3e557deb0608fb61f8264a7200f

    • SHA512

      433cd6d80b556b6cf96e94e73dacd3ac2036cea4b67feffa05ccce0f5595c6dfe83b57541ea4e39d641d85101de5f66dcd36c5ff1428e8b1f0163b92256f4cae

    • SSDEEP

      12288:VTyjXW+48qWywrU4kGFezOAVuJ5PILww7F5DO3HYffsxmZ+B:ZIXW/8yw1ez54lInF5SXYHqma

    Score
    10/10
    salitybackdoorevasionpersistencetrojanupx

    • Modifies firewall policy service

      evasion

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Sality

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

      backdoorsality

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

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

    • UPX dump on OEP (original entry point)

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Enumerates connected drives

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

8
T1112

Impair Defenses

4
T1562

Disable or Modify Tools

3
T1562.001

Disable or Modify System Firewall

1
T1562.004

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks