c701607a15dded41bccd054b3e2b84bccd855e4cab07e6523e113f03c5be920a

General
Target

c701607a15dded41bccd054b3e2b84bccd855e4cab07e6523e113f03c5be920a

Size

326KB

Sample

220521-xknlzsfbhp

Score
10 /10
MD5

73be516149b9f256a7e92f45aea9e379

SHA1

7521748215c62ee4d02eb2214c669a681c87f2c3

SHA256

c701607a15dded41bccd054b3e2b84bccd855e4cab07e6523e113f03c5be920a

SHA512

0132bcdfbfc54c957e25681578317f5170be3c96ce64419911a268cbc3f68b6a1c689eebe53d87405e7bc1fd1d0e630c7b6f717c820725001e434a9a60c41292

Malware Config

Extracted

Path C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\Log.txt
Family masslogger
Ransom Note
################################################################# MassLogger v2.0.0.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 8:55:15 PM MassLogger Started: 5/21/2022 8:55:04 PM Interval: 12 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO#556361TW.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path C:\Users\Admin\AppData\Local\Temp\19E979543A\Log.txt
Family masslogger
Ransom Note
################################################################# MassLogger v2.0.0.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 Location: United States Windows OS: Microsoft Windows 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 8:55:23 PM MassLogger Started: 5/21/2022 8:55:08 PM Interval: 12 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO#556361TW.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:
Targets
Target

PO#556361TW.exe

MD5

ff87250b9ebf0cddd524ba8e4282d94f

Filesize

704KB

Score
10/10
SHA1

af575cb114ce44e76ec94d5e5bd29f59230042c1

SHA256

4c4ee69bd58db589d202dcfb5872fb970e4367547e4ba90f57d9db502daa1c65

SHA512

f2244aaed8910aa338a15e4dd1e0128839ea053ca837955c40ba1d79829504e8a7276c8c4879ba52561757375b310507102868900c30d44ae2b444e586df79c8

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.

  • Checks computer location settings

    Description

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

    TTPs

    Query RegistrySystem Information Discovery
  • 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.

Related Tasks

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