General

  • Target

    604d9839fb6abd7fc87fd9c68910d24dfe1800b1edf5fbf87728936a61a768b2

  • Size

    2MB

  • Sample

    231207-3rn4zsgb86

  • MD5

    4aad4b7d1bc6b841c08cc1544e800bbd

  • SHA1

    bf55a61639da88a1be33d2422d85ca6f6759fb07

  • SHA256

    604d9839fb6abd7fc87fd9c68910d24dfe1800b1edf5fbf87728936a61a768b2

  • SHA512

    432106bfb48e6db306b3bdf6011cbfa7e56802015693a378809281d939db263fc27aa53bf451ed2110e0c3ff5a1518514ba80f958ed3bd0e96ece2357f0a412f

  • SSDEEP

    49152:KoWs0/LpPLc0zHxc39bS8Vs7i1hTJIJGeEASRsJJ24vFheMRuKPSr:hMD1gV9bSQWiJ5eE7mJJ24vbeMRD6

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

      604d9839fb6abd7fc87fd9c68910d24dfe1800b1edf5fbf87728936a61a768b2

    • Size

      2MB

    • MD5

      4aad4b7d1bc6b841c08cc1544e800bbd

    • SHA1

      bf55a61639da88a1be33d2422d85ca6f6759fb07

    • SHA256

      604d9839fb6abd7fc87fd9c68910d24dfe1800b1edf5fbf87728936a61a768b2

    • SHA512

      432106bfb48e6db306b3bdf6011cbfa7e56802015693a378809281d939db263fc27aa53bf451ed2110e0c3ff5a1518514ba80f958ed3bd0e96ece2357f0a412f

    • SSDEEP

      49152:KoWs0/LpPLc0zHxc39bS8Vs7i1hTJIJGeEASRsJJ24vFheMRuKPSr:hMD1gV9bSQWiJ5eE7mJJ24vbeMRD6

    • 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