MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb48e485512f92d6e899abf4f0377868c800e069c516c03c414e73ddd584d008. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb48e485512f92d6e899abf4f0377868c800e069c516c03c414e73ddd584d008
SHA3-384 hash: 54f38cfcd4e4ddb07fa43bd0c805217d71ef567e8ab3ec0299128c4fb6b48df7730af0899533a7c5db5e94892c3c6fc8
SHA1 hash: b187f0cbd32027cf3606a4bde2dce203a93dd550
MD5 hash: 6c59043385ecbbdc2e9b125f30376150
humanhash: uranus-wolfram-jupiter-cola
File name:6c59043385ecbbdc2e9b125f30376150.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:2'470'400 bytes
First seen:2020-10-27 16:35:03 UTC
Last seen:2020-10-27 18:37:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:UeEshODXQkLMwAKvmltfMwnKzc5PotNN1tBIlpWk4jCw2bWBKbR5em0gEHPDSLKw:Ue
Threatray 408 similar samples on MalwareBazaar
TLSH 06B55A3D6D8826A31177E276A4F906C7FEA4618673790C4F02C32B496D4AF163E9734E
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
MassLogger SMTP exfil server:
mail.hkoffice365.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/80036/
Detection(s):
SecuriteInfo.com.Artemis6C59043385EC.13921.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514065
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
.NET source code references suspicious native API functions
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
Multi AV Scanner detection for dropped file
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 access)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 306148 Sample: CEvTV71l4i.exe Startdate: 27/10/2020 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for dropped file 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected MassLogger RAT 2->48 50 9 other signatures 2->50 6 CEvTV71l4i.exe 1 4 2->6         started        10 vlc.exe 1 2->10         started        12 vlc.exe 2->12         started        process3 file4 28 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 6->28 dropped 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 6->52 54 Injects a PE file into a foreign processes 6->54 14 CEvTV71l4i.exe 15 2 6->14         started        18 CEvTV71l4i.exe 6->18         started        20 CEvTV71l4i.exe 6->20         started        22 CEvTV71l4i.exe 6->22         started        24 vlc.exe 14 2 10->24         started        26 vlc.exe 2 12->26         started        signatures5 process6 dnsIp7 30 elb097307-934924932.us-east-1.elb.amazonaws.com 50.19.252.36, 49749, 80 AMAZON-AESUS United States 14->30 32 nagano-19599.herokussl.com 14->32 34 api.ipify.org 14->34 56 Tries to steal Mail credentials (via file access) 14->56 36 54.204.14.42, 49764, 80 AMAZON-AESUS United States 24->36 40 2 other IPs or domains 24->40 58 Tries to harvest and steal browser information (history, passwords, etc) 24->58 38 23.21.126.66, 49765, 80 AMAZON-AESUS United States 26->38 42 2 other IPs or domains 26->42 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb48e485512f92d6e899abf4f0377868c800e069c516c03c414e73ddd584d008/
Threat name:
Win32.Infostealer.Azorult
Create hunting rule
Status:
Malicious
First seen:
2020-10-27 16:36:06 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7neojbkrf6jnn2ezvp2pan3yndeabydjyulmapcbjzz53vme2aea._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
1e3f14f932364db4904b69fce12e373e6354f4291dcda0d82a8477a21a9a803f
MassLogger
4e3fbf643241ed1d88707fd4a022c5fb312a75004af4ef18adb0b0fc47e6f5b7
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59266059bf9ed1325138907f3f74f4838600be78e310b8165333935e18817d5a
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5dd8cf7e789bc36a9a069cf42247f758e8900f8913c88e5ac84328d30e6d7c99
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74162983ed626c05ba65a31fa71a81ff2bc4cabcfe5019a94f63dc32ae873f23
MassLogger
8f24b4adb843172c14b392bcf73f1f46ac8a20091cb22649110bb937f84b281c
MassLogger
9f0866780aa84107697212f1b3578777c450861c02a6e01f5741de28c858900c
MassLogger
aed72cebee92e2652dddfbec6aa2b2728183b03c62835a2a860480963cae856f
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c7573f0e33614200aabd85a18762922a3911f96f27f14829b3a36e325aed2d03
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ce073fce9de335c288fe205d5bf7fbdd9fd3ecc718821116dbad098f176a69de
MassLogger
+ 398 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
persistence family:masslogger spyware stealer
Link:
https://tria.ge/reports/201027-ag76mkt4bx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
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.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fb48e485512f92d6e899abf4f0377868c800e069c516c03c414e73ddd584d008

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MassLogger
Create hunting rule
Author:kevoreilly
Description:MassLogger
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 fb48e485512f92d6e899abf4f0377868c800e069c516c03c414e73ddd584d008

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/80036/
  
URLhaus
https://urlhaus.abuse.ch/url/751145/
  
Delivery method
Distributed via web download

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