General
Target

9e5fa4ba917e4e478bbbd3f5c3b816e3ade490a5762254ce63d3f3629d88dd44

Size

606KB

Sample

220521-phhnysfch2

Score
10/10
MD5

cbf3469b764477093477ee784daf5f8c

SHA1

1b5ccb125a18ea714c6ae1c5fab50d6fa79b5bf0

SHA256

9e5fa4ba917e4e478bbbd3f5c3b816e3ade490a5762254ce63d3f3629d88dd44

SHA512

79f9649e1c18c510e1f861a57fa914fcfb3086440e3a9a2029c985f216d1aa42579a558543ea503eff11e11c3b36621768b205ee398fd3a1fcbbb10919b2efa6

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 1:07:31 PM MassLogger Started: 5/21/2022 1:07:20 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe As Administrator: True

Extracted

Credentials

Protocol: smtp

Host: smtp.yandex.com

Port: 587

Username: m4cfund@yandex.com

Password: Dmacdavid

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F293CD6622\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 3:07:35 PM MassLogger Started: 5/21/2022 3:06:51 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe As Administrator: True
Targets
Target

3246744-28-06.exe

MD5

a60ca849b4d2490671b6e54a97b09e87

Filesize

1MB

Score
10/10
SHA1

8d02d04d3bbd2ad7c4aae65189d8e289adabbbe1

SHA256

b51612fb244526a66524e234ccae2d57f1c98a37080fd94664626bcdcf6c4bbb

SHA512

33ffd9ac6db80c40d7f3970d25149378c7cd606c603541cf4544076ad80b6aea628df1bc8466dbd0c870f322b05cb0da47668af8758581b0f7e3d0d041dfc0ed

Tags

Signatures

  • MassLogger

    Description

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    Tags

  • MassLogger log file

    Description

    Detects a log file produced by MassLogger.

  • Executes dropped EXE

  • Checks computer location settings

    Description

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

    TTPs

    Query RegistrySystem Information Discovery
  • Loads dropped DLL

  • Reads user/profile data of web browsers

    Description

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

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses Microsoft Outlook profiles

    Tags

    TTPs

    Email Collection
  • Looks up external IP address via web service

    Description

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

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Defense Evasion
      Execution
        Exfiltration
          Impact
            Initial Access
              Lateral Movement
                Persistence
                  Privilege Escalation
                    Tasks

                    static1

                    Score
                    N/A