Resubmissions

29-03-2023 00:32

230329-av3sbsea95 7

29-03-2023 00:28

230329-asjxfafg4s 7

General

  • Target

    CCleaner64.exe

  • Size

    37.3MB

  • Sample

    230329-av3sbsea95

  • MD5

    2989ffd5783532fb2d49588c9fc8b1c6

  • SHA1

    d5b87c5402debd0434c02b2366fc2de50f47485e

  • SHA256

    9d4b19b0723b350860614548f2c8342802fc115acff93ef63b580db189e57c2d

  • SHA512

    1e666a6fed67b8aa492c3ca8de023bebb8ea842f4f67512c9876628d0a9f14efa1fce3b1abec32b9833470040dbd94c210a97b9241818fba8cfcdae036d7185a

  • SSDEEP

    393216:Fud5EHypOO1QQsn5FHz8CeoF4c/rqNZ+gIItlxhSEAewYnhO:Fu7EbOC/Homk+gIIzx7Hw

Malware Config

Targets

    • Target

      CCleaner64.exe

    • Size

      37.3MB

    • MD5

      2989ffd5783532fb2d49588c9fc8b1c6

    • SHA1

      d5b87c5402debd0434c02b2366fc2de50f47485e

    • SHA256

      9d4b19b0723b350860614548f2c8342802fc115acff93ef63b580db189e57c2d

    • SHA512

      1e666a6fed67b8aa492c3ca8de023bebb8ea842f4f67512c9876628d0a9f14efa1fce3b1abec32b9833470040dbd94c210a97b9241818fba8cfcdae036d7185a

    • SSDEEP

      393216:Fud5EHypOO1QQsn5FHz8CeoF4c/rqNZ+gIItlxhSEAewYnhO:Fu7EbOC/Homk+gIIzx7Hw

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

6
T1012

System Information Discovery

5
T1082

Collection

Data from Local System

1
T1005

Tasks