MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7187a6d2980e3696396c4fbce939eeeb3733b6afdf2e859a385f8d6b29e8cebc. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



MassLogger


Vendor detections: 14


Intelligence 14 IOCs YARA 8 File information Comments

SHA256 hash: 7187a6d2980e3696396c4fbce939eeeb3733b6afdf2e859a385f8d6b29e8cebc
SHA3-384 hash: 70ed1ee8e97d288ff3e650209daf554350af559f699a337ac0d491be655c80159c845b926b6ee17e6b6869b68db57e66
SHA1 hash: b6ca7834020470508a9c205d57621d2a2d025d02
MD5 hash: 3c05e9000f006c7f1549153e7b54e74c
humanhash: purple-kitten-whiskey-delta
File name:masslogger.bin
Download: download sample
Signature MassLogger
File size:510'976 bytes
First seen:2022-11-16 15:43:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:MtUXsvIucbyO6+trL99ZgLIRbgvbeXKWfcUTNKMDMAlcn38OxKl9x7qs9Pxcm0AE:MSe1uX3ukCvoBCMDMVqfBdcmDB
TLSH T17EB48C047FA28631C6AC4777D0C65A1853B9C58BD0EAE7463DDC22F61AC37CA8E426D7
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13097/50/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter 0xToxin
Tags:exe MassLogger


Avatar
0xToxin
loaded by:
https://bazaar.abuse.ch/sample/96e45500db445f50f255908635dc793bc896a0d919f989de9080ceb1a3bd74d9/

Intelligence


File Origin
# of uploads :
1
# of downloads :
200
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
masslogger.bin
Verdict:
Malicious activity
Analysis date:
2022-11-16 15:46:28 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Running batch commands
Creating a file
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm hacktool packed quasar rat
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Status:
Malicious
First seen:
2022-10-03 14:58:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
masslogger
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger Main payload
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
Rule name:MassLogger
Author:kevoreilly
Description:MassLogger
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:pe_imphash
Rule name:Quasar_RAT_1
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_1_RID2B54
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_masslogger_w0
Author:govcert_ch

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments