General

  • Target

    0dc2870f5bbcf289c0cbcdaba91492f88da72f3a000e41721ccfe08461094724

  • Size

    6MB

  • Sample

    230928-za3z2aec8w

  • MD5

    4975b794102c6aa719c89b00f3444ac2

  • SHA1

    5c83d1a4798565723d9aa51f42b638614fa2c150

  • SHA256

    0dc2870f5bbcf289c0cbcdaba91492f88da72f3a000e41721ccfe08461094724

  • SHA512

    fa2d817b4bf3c606a4250c924f9d5eea6a7cf08b610f3dbe622e6e12ce5b17baaada3bcd89239e8ac21c475b573cb31adcf048794d7b2e0cac8d0aed7c4b5d77

  • SSDEEP

    196608:PWeBipf+AgWSmIql5oigGrCWrcUOTONAoGqv8N1uFMx5fBO:rBip0puoivdDNNAoGqv8N1Lx5f

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Targets

    • Target

      0dc2870f5bbcf289c0cbcdaba91492f88da72f3a000e41721ccfe08461094724

    • Size

      6MB

    • MD5

      4975b794102c6aa719c89b00f3444ac2

    • SHA1

      5c83d1a4798565723d9aa51f42b638614fa2c150

    • SHA256

      0dc2870f5bbcf289c0cbcdaba91492f88da72f3a000e41721ccfe08461094724

    • SHA512

      fa2d817b4bf3c606a4250c924f9d5eea6a7cf08b610f3dbe622e6e12ce5b17baaada3bcd89239e8ac21c475b573cb31adcf048794d7b2e0cac8d0aed7c4b5d77

    • SSDEEP

      196608:PWeBipf+AgWSmIql5oigGrCWrcUOTONAoGqv8N1uFMx5fBO:rBip0puoivdDNNAoGqv8N1Lx5f

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • UAC bypass

    • Windows security bypass

    • Blocklisted process makes network request

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

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

Scheduled Task/Job

1
T1053

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

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

Scheduled Task/Job

1
T1053

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

5
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks