Overview

overview

10

Static

static

3

bf70cd422f...81.exe

windows7-x64

10

bf70cd422f...81.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bf70cd422fb3771839abe10d861f022f311c28ad9f52aa9d1219462164531a81

  • Size

    1.8MB

  • Sample

    240530-ctnywsbb2x

  • MD5

    b38b7365267b8fbea7781384bc638013

  • SHA1

    3c035caa90b2118a6ed1acbb557e9745e10e3981

  • SHA256

    bf70cd422fb3771839abe10d861f022f311c28ad9f52aa9d1219462164531a81

  • SHA512

    c027e8cd2ab6400b4cacbf138bf4d589206028e728b625abacdce605c7284207c021c4ebee0ff7b49763a71911fd605ad85c13a6e99e72e29b20fe6f33495132

  • SSDEEP

    49152:KbTCfQxKCnFnQXBbrtgb/iQvu0UHOW96f:K6oxvWbrtUTrUHON

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

Targets

    • Target

      bf70cd422fb3771839abe10d861f022f311c28ad9f52aa9d1219462164531a81

    • Size

      1.8MB

    • MD5

      b38b7365267b8fbea7781384bc638013

    • SHA1

      3c035caa90b2118a6ed1acbb557e9745e10e3981

    • SHA256

      bf70cd422fb3771839abe10d861f022f311c28ad9f52aa9d1219462164531a81

    • SHA512

      c027e8cd2ab6400b4cacbf138bf4d589206028e728b625abacdce605c7284207c021c4ebee0ff7b49763a71911fd605ad85c13a6e99e72e29b20fe6f33495132

    • SSDEEP

      49152:KbTCfQxKCnFnQXBbrtgb/iQvu0UHOW96f:K6oxvWbrtUTrUHON

    Score
    10/10
    salitybackdoorevasionpersistencetrojanupx

    • Modifies firewall policy service

      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)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

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

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify Tools

3
T1562.001

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks