General

  • Target

    ec73db81b957f786d6447335ea3ad371612a046a6ad22ab3bcc6de2f54f9307b

  • Size

    124KB

  • Sample

    240523-e59qvadh4z

  • MD5

    fd127c6270d8c359a72ca527bc0e3909

  • SHA1

    1eb9d4278b845e7fa5df7795da4a4b8a8d04e198

  • SHA256

    ec73db81b957f786d6447335ea3ad371612a046a6ad22ab3bcc6de2f54f9307b

  • SHA512

    059a00a4617db5c6d9f1671f594bd10271622dda14d9c93760f3170e86cdc9758f8899d1b41e922ac97797909ed5440e18095a7680804213a0cbeadd93cfa5f8

  • SSDEEP

    3072:oCGVhOg013Uh59Td/9L+Ik0IrylyrgZQMHXSaj3A:ooUV11+T0Iryly8xXQ

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

      ec73db81b957f786d6447335ea3ad371612a046a6ad22ab3bcc6de2f54f9307b

    • Size

      124KB

    • MD5

      fd127c6270d8c359a72ca527bc0e3909

    • SHA1

      1eb9d4278b845e7fa5df7795da4a4b8a8d04e198

    • SHA256

      ec73db81b957f786d6447335ea3ad371612a046a6ad22ab3bcc6de2f54f9307b

    • SHA512

      059a00a4617db5c6d9f1671f594bd10271622dda14d9c93760f3170e86cdc9758f8899d1b41e922ac97797909ed5440e18095a7680804213a0cbeadd93cfa5f8

    • SSDEEP

      3072:oCGVhOg013Uh59Td/9L+Ik0IrylyrgZQMHXSaj3A:ooUV11+T0Iryly8xXQ

    • Modifies firewall policy service

    • Modifies visibility of file extensions in Explorer

    • 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)

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • UPX packed file

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

    • Windows security modification

    • Adds Run key to start application

    • 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

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

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

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

9
T1112

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

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