MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc8bc522fb18470390b7cedc3de1e1d75be638b4a6de0a25ba7416391b79785d. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc8bc522fb18470390b7cedc3de1e1d75be638b4a6de0a25ba7416391b79785d
SHA3-384 hash: 39b6199789acf4954f58213fccf5215fb2887b1ba326c506243810ddfba85a39a8e630fd982a6f5365f6265e1fe182c1
SHA1 hash: ae185583541293d6908097db53f9d2ea0a0828ff
MD5 hash: 55fbc98624e04cdb7ad57dcd39d86b0b
humanhash: earth-three-iowa-oranges
File name:55fbc98624e04cdb7ad57dcd39d86b0b.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'035'264 bytes
First seen:2020-07-21 10:10:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00cfe1cece4ca5ab4917a4bbdc80ffdc (10 x MassLogger, 6 x AgentTesla, 4 x NanoCore)
ssdeep 24576:0wwMkUYMrhzPMeYsjZpEz9ewhjyrTj9we:0NUYYN0PQzBzZ
Threatray 2'138 similar samples on MalwareBazaar
TLSH 3F25D056F3D049F7F1772A3D9D0B9764AC29BE413D289E466BE42C0C9F38641383A1A7
Reporter abuse_ch
Tags:exe MassLogger


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/30059/
Detection(s):
Win.Malware.Daqc-6598201-0
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file
Reading Telegram data
Reading critical registry keys
Moving a recently created file
Deleting a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/393026
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248894 Sample: oPRfv2TAy6.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected MassLogger RAT 2->55 57 5 other signatures 2->57 8 oPRfv2TAy6.exe 2->8         started        11 wscript.exe 1 2->11         started        process3 signatures4 67 Writes to foreign memory regions 8->67 69 Allocates memory in foreign processes 8->69 71 Queues an APC in another process (thread injection) 8->71 73 Contains functionality to detect sleep reduction / modifications 8->73 13 notepad.exe 5 8->13         started        17 hdgfhjeu.exe 11->17         started        process5 file6 33 C:\Users\user\AppData\...\hdgfhjeu.exe, PE32 13->33 dropped 35 C:\Users\...\hdgfhjeu.exe:Zone.Identifier, ASCII 13->35 dropped 37 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 13->37 dropped 77 Creates files in alternative data streams (ADS) 13->77 79 Drops VBS files to the startup folder 13->79 19 hdgfhjeu.exe 13->19         started        81 Maps a DLL or memory area into another process 17->81 22 hdgfhjeu.exe 6 17->22         started        25 hdgfhjeu.exe 17->25         started        signatures7 process8 dnsIp9 59 Multi AV Scanner detection for dropped file 19->59 61 Detected unpacking (changes PE section rights) 19->61 63 Detected unpacking (creates a PE file in dynamic memory) 19->63 65 5 other signatures 19->65 27 hdgfhjeu.exe 15 6 19->27         started        31 hdgfhjeu.exe 19->31         started        39 54.235.136.99, 49718, 80 AMAZON-AESUS United States 22->39 41 nagano-19599.herokussl.com 22->41 43 2 other IPs or domains 22->43 signatures10 process11 dnsIp12 45 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.191.113, 49717, 80 AMAZON-AESUS United States 27->45 47 192.168.2.1 unknown unknown 27->47 49 2 other IPs or domains 27->49 75 Tries to steal Mail credentials (via file access) 27->75 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc8bc522fb18470390b7cedc3de1e1d75be638b4a6de0a25ba7416391b79785d/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 10:12:07 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7sf4kix3dbdqhefxz3od3ypb25n6mofuu3paujn2oqldsg3zpboq._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
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205d1684668f7cdb88d3afa81e13e706565bf2f1e5ad4a13800caa2a39b82030
MassLogger
3160785194837363e6d4ffacfd36141efabde5bbaf5770bb079c40df153c334b
MassLogger
5a756de7992382891d3e6bad6f6c8298b280969dcd246a5e2cbcab30e4b3346d
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709b84654b39c5359744acd7549de90b83b697f2d018becf42e77d36ad7fab90
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8ce8110efa9cc5bf1a4eeb4fc7bbfe4481a70a8240cdefdaef0f98dd6eba4df2
MassLogger
af6e245bb00d274560bb77dc4013850ec95df20159c3081b19ef99d236ad64dc
MassLogger
b2a284aa238dcd4d3294c70b233069fe9a97ffeb8104b29e2f74eee7d42fb20f
MassLogger
bd46812f8bb52f6656390e1c3e206b6e5dd8c71907464c62455a0f9b63bef745
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c9a1e7bfb01b6f8f269a6b04cde83384edaec1d81edf3280d595153e7a148b23
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e27026fb1bd7a7e0f88156f04e0186fb4e9f395cb57d260e7a0517838a09b32a
MassLogger
+ 2'128 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
Link:
https://tria.ge/reports/200721-lswyjm9dkj/
Behaviour
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Drops startup file
Reads user/profile data of web browsers
UPX packed file
Executes dropped EXE
MassLogger
MassLogger log file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/fc8bc522fb18470390b7cedc3de1e1d75be638b4a6de0a25ba7416391b79785d

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

File information

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

Web download

MassLogger

Executable exe fc8bc522fb18470390b7cedc3de1e1d75be638b4a6de0a25ba7416391b79785d

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/30059/
  
URLhaus
https://urlhaus.abuse.ch/url/410918/
  
Delivery method
Distributed via web download

Comments