General
Target

98b94a69e5bbb73e9ed6c65f1aa949b50ecb4e3b779316fe09f6b80a7f4614e9

Size

1MB

Sample

220521-phl2dafch7

Score
10/10
MD5

70d09bbaa8cfc229ff808ea797f15dda

SHA1

89f7ab042971b36e5711402badbc1b2cbf762d5d

SHA256

98b94a69e5bbb73e9ed6c65f1aa949b50ecb4e3b779316fe09f6b80a7f4614e9

SHA512

4771cfe94dd41e0b855dad06568d471bbc0466275b5d91779a9105b3f64c951a4adadf8da18215ba1a9c75d196c55b1a1450e16907df7bb02e591613b2d645b8

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.5.0 ################################################################# ### 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 3:07:09 PM MassLogger Started: 5/21/2022 3:06:56 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe MassLogger Melt: true MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\2EF8342664\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.5.0 ################################################################# ### 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 3:06:48 PM MassLogger Started: 5/21/2022 3:06:45 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe MassLogger Melt: true MassLogger Exit after delivery: false As Administrator: True Processes:
Targets
Target

PO__3048.EXE

MD5

e1b530b53135e5f15c6ee5e07818d3dd

Filesize

1MB

Score
10/10
SHA1

867fc34d7cb6c28838ec7210a51064e39e7b573a

SHA256

291acc1800bb543e73f85a5ec925fba62d9af86f75091fd7993c20d4fe78e22c

SHA512

ed3ca3b5c6d257cc5ba2a2f59dbde002c37c1f1b45f5e5a241bff0dedf7cef8ad501b6c0569967390248534a1b13d1e851875ce118cad92182cdd2bf1c31bd15

Tags

Signatures

  • 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.

  • 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

  • Obfuscated with Agile.Net obfuscator

    Description

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    Tags

  • 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
                    10/10