General
Target

a30b832b57390359990b3c114f97974d079c77c9a94d77c809d250cc56dfa70c

Size

837KB

Sample

220521-phbweaaeep

Score
10/10
MD5

2186da778fcbe1c2eec0445d0db5745c

SHA1

87c2842ced0634b43c94841c849257ffa27d9a60

SHA256

a30b832b57390359990b3c114f97974d079c77c9a94d77c809d250cc56dfa70c

SHA512

5aca2966fc941601b07da8bee8a2c3172f8cbe7f5c3df0bb57f318952139b8eadf68ae82729c2af580701992e6796135aa5acaa1bcb721e4a9d90eff1c8bd623

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\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 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:31:14 PM MassLogger Started: 5/21/2022 2:30:43 PM Interval: 2 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe As Administrator: True

Extracted

Credentials

Protocol: smtp

Host: us2.smtp.mailhostbox.com

Port: 587

Username: don8@intarscan.org

Password: ?qlva43X~o%I

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 2:31:26 PM MassLogger Started: 5/21/2022 2:31:17 PM Interval: 2 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe As Administrator: True
Targets
Target

PO#052620.exe

MD5

6b9b5794e44f69ab2773ce2799463454

Filesize

916KB

Score
10/10
SHA1

5ae3669ecff1e3de5569d81a0c4bae495e4be457

SHA256

9c5b8535e2ac554768c5cfc3d655a3aed7647fe2280e66161a516296eb5a5918

SHA512

b5d666a93bd724e010fc63f5d70078c54a7a8bebf6aab647ad2a49d049d99703ac14ba2b7fe408632eef308d85af5b2725e89c18e193f2966ff0cb1b72460731

Tags

Signatures

  • CoreEntity .NET Packer

    Description

    A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    Tags

  • MassLogger

    Description

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

    Tags

  • MassLogger Main Payload

  • MassLogger log file

    Description

    Detects a log file produced by MassLogger.

  • ReZer0 packer

    Description

    Detects ReZer0, a packer with multiple versions used in various campaigns.

    Tags

  • 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
Collection
Command and Control
    Credential Access
      Defense Evasion
        Discovery
          Execution
            Exfiltration
              Impact
                Initial Access
                  Lateral Movement
                    Persistence
                      Privilege Escalation
                        Tasks