General

  • Target

    b73882bc01383cb085aebf15b35f46822577284997b1bf7599c56a17bb9fa87a

  • Size

    2MB

  • Sample

    231207-v8emwaeb96

  • MD5

    3e2f458ee8b29e7301804a40020577ac

  • SHA1

    d30e7c3f62ab372601e43c0fe4016ed9e7986195

  • SHA256

    b73882bc01383cb085aebf15b35f46822577284997b1bf7599c56a17bb9fa87a

  • SHA512

    9325e521a1f6d005847cfe2dbe989f6685f1d0fbc269ce20935f37e9ba478da0d76db4ad8293eee1d5aa28f9ea02217dc04051795e0a379df66e53ab490bca97

  • SSDEEP

    49152:eaF3iZXAhej7GHJzaNxfv8S4zqm1efzAio+rqCKVqNtTFTeO2wfqi:RuAQv+mv8wzpo++0TFTqwff

Malware Config

Extracted

Family

risepro

C2

193.233.132.51

Extracted

Family

smokeloader

Version

2022

C2

http://81.19.131.34/fks/index.php

rc4.i32
rc4.i32

Targets

    • Target

      b73882bc01383cb085aebf15b35f46822577284997b1bf7599c56a17bb9fa87a

    • Size

      2MB

    • MD5

      3e2f458ee8b29e7301804a40020577ac

    • SHA1

      d30e7c3f62ab372601e43c0fe4016ed9e7986195

    • SHA256

      b73882bc01383cb085aebf15b35f46822577284997b1bf7599c56a17bb9fa87a

    • SHA512

      9325e521a1f6d005847cfe2dbe989f6685f1d0fbc269ce20935f37e9ba478da0d76db4ad8293eee1d5aa28f9ea02217dc04051795e0a379df66e53ab490bca97

    • SSDEEP

      49152:eaF3iZXAhej7GHJzaNxfv8S4zqm1efzAio+rqCKVqNtTFTeO2wfqi:RuAQv+mv8wzpo++0TFTqwff

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Detected potential entity reuse from brand paypal.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks