Description
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
829578ed964e4efeb78499514a145cb2886dcc5ffb769c836981919e6d53949f
General
Target
Size
Sample
829578ed964e4efeb78499514a145cb2886dcc5ffb769c836981919e6d53949f
658KB
220521-pv1qasbcdp
Score
10 /10
MD5
SHA1
SHA256
SHA512
c54f679d81ba63e0b112d936a299bf78
378ad468459916391f119c7cb0955c167b295b68
829578ed964e4efeb78499514a145cb2886dcc5ffb769c836981919e6d53949f
6e924f93a2a49e13ebddb6699a311a9c0b4b07e9fa25b71e1eee5b547465443584a78529359b916a70169c8ba18f098f44a33ecd07003d9a54695ce427947ce5
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 2:48:00 PM
MassLogger Started: 5/21/2022 2:47:49 PM
Interval: 2 hour
MassLogger Process: C:\Users\Admin\AppData\Local\Temp\deiUUj8mpdyf36k.exe
MassLogger Melt: false
MassLogger Exit after delivery: false
As Administrator: True
Processes:
|
Targets
Target
MD5
Filesize
deiUUj8mpdyf36k.exe
4c2978004f201c8a9d8f86ba5a00be29
691KB
Score
10/10
SHA1
SHA256
SHA512
06610092027ca2632d771a228d36358b77c8bd65
43756195653d9b20db70b3b2700d6ece0e927da322db216d12e6eeb6af316f3f
bf5328040efaafce37bc3df6a3ec4979857b34a7f83763ee333e0ee583efdc8d7b7d7d80f6ffa21aa25f22585f2d89c07e24dc9b2140fd73f4d070d33ee630ec
Tags
Signatures
-
MassLogger
-
MassLogger log file
Description
Detects a log file produced by MassLogger.
-
Looks for VirtualBox Guest Additions in registry
Tags
TTPs
-
Looks for VMWare Tools registry key
Tags
TTPs
-
Checks BIOS information in registry
Description
BIOS information is often read in order to detect sandboxing environments.
TTPs
-
Checks computer location settings
Description
Looks up country code configured in the registry, likely geofence.
TTPs
-
Reads user/profile data of web browsers
Description
Infostealers often target stored browser data, which can include saved credentials etc.
Tags
TTPs
-
Accesses Microsoft Outlook profiles
Tags
TTPs
-
Looks up external IP address via web service
Description
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Maps connected drives based on registry
Description
Disk information is often read in order to detect sandboxing environments.
TTPs
-
Suspicious use of SetThreadContext
Related Tasks
MITRE ATT&CK Matrix
Collection
Command and Control
Credential Access
Defense Evasion
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Tasks