MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6f3204e492d91b15e67583db1b35c9f18a110367d91bae3985d3c06ee10f539. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6f3204e492d91b15e67583db1b35c9f18a110367d91bae3985d3c06ee10f539
SHA3-384 hash: 381766cce11889b910b07309d5684fb22b87cb7a8ce03e537ad8b8ae9a79d55487a80146c87e37f15d4d992d56625422
SHA1 hash: 5e35c455f4b5fb2dcea2bf004b381c8fb7fa1f2f
MD5 hash: ab59a80c8336f0ac67cb0f47c63c94a0
humanhash: kansas-nitrogen-colorado-sodium
File name:ab59a80c8336f0ac67cb0f47c63c94a0.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'458'688 bytes
First seen:2020-08-06 08:28:17 UTC
Last seen:2020-08-06 13:49:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:SdRp0qoFuEh+PS4YzFXO8Fhh0+zWhKmolWfJdDBt3M:iD0+LP6J0sWh7+Wflt
Threatray 599 similar samples on MalwareBazaar
TLSH 4965E13C27D4061AE45B0B7DBD72815FAA75EC061A17974F2377B16E0D7B3888E80B86
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
MassLogger SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40410/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.46680.16569.23102.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/412663
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6f3204e492d91b15e67583db1b35c9f18a110367d91bae3985d3c06ee10f539/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 12:38:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
33 of 48 (68.75%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w3zsatsjfwi3cxthla63dm24t4mkcebwpwi3vy4ylu6an3qq6u4q._file
Verdict:
unknown
Similar samples:
044c48fe42178958d8f55e5404e056ff0f1071d865deda9cc42518ab2c87fda7
MassLogger
21cea3a243809c8cc06412ffd647e4896b35a246cf8c365484e0419477d94b37
MassLogger
24a6ec83c1a75f4bfefa0e5df247fbc354cea37c917da05a38e2687b7b26c464
MassLogger
3620092a3fe074a1adcf351ee1e91081b7227589993b148cd2acc18df351e9ea
MassLogger
3ba509359db69542f368af1d41dd8fa1c116e3e31ded1879872bb34a41f9cbbb
MassLogger
4afbf197b53084d8d3d79ffe791e17b5d4dcddec2b77a531cf33ffd54f3f64d0
MassLogger
85bb9db1a8197b11d809a32b17bfc948b579832f20b32c173496d580ebc33eee
MassLogger
96af26169543b638599cd1c9e7b236572c5cdab29c844d7e824b30f0a2cbab16
MassLogger
f38bf49d1b80576d1df0cea02b590d52b16dfd03acfa6f9776fb010bd88ec38d
MassLogger
f9780f06f0da7544e13584ce58e03ccb796326b01dc2d05f5f5917aa461710be
MassLogger
+ 589 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger
Link:
https://tria.ge/reports/200806-tbe12nsk76/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b6f3204e492d91b15e67583db1b35c9f18a110367d91bae3985d3c06ee10f539

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:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Web download

MassLogger

Executable exe b6f3204e492d91b15e67583db1b35c9f18a110367d91bae3985d3c06ee10f539

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/40410/
  
URLhaus
https://urlhaus.abuse.ch/url/426058/
  
Delivery method
Distributed via web download

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