MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a996aee16f79f6152b8516e615f3a9f78d6dab679a47d5f79d6cab5a1a04dd2f. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a996aee16f79f6152b8516e615f3a9f78d6dab679a47d5f79d6cab5a1a04dd2f
SHA3-384 hash: 3318ff3b502d3d5b214aedb471e07493488c87daa6b5faac659de5dc363a2d5d5f61b5eb7f5c1cd50d407b603ef8abac
SHA1 hash: ebe8465e1d40778d9bb41d5355b159c72a688de7
MD5 hash: 110e8c7beb6325da5450a9db25fcca15
humanhash: maryland-undress-stairway-vermont
File name:110e8c7beb6325da5450a9db25fcca15.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'064'448 bytes
First seen:2020-08-06 09:02:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8a931d7f83c9c7d08c4a1b976892c11f (5 x MassLogger, 4 x Loki, 3 x AgentTesla)
ssdeep 24576:JUE79p4DM3Fn7Cld9GKrRlSX0qpF1pR+D:JUNw35C/l/SXR+D
Threatray 1'834 similar samples on MalwareBazaar
TLSH 1235BF22A2A0443FD1731A7C5D5BA374993AFE113A189C462BF55D4C4F3B6E33A39287
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 :
61
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40490/
Detection(s):
SecuriteInfo.com.Variant.Graftor.809888.4827.27251.UNOFFICIAL
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 a UDP request
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file
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 by creating a file
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/412799
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Creates files in alternative data streams (ADS)
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258691 Sample: PRTqiUx3es.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Yara detected MassLogger RAT 2->53 55 Yara detected AntiVM_3 2->55 57 4 other signatures 2->57 8 PRTqiUx3es.exe 2->8         started        11 wscript.exe 1 2->11         started        process3 signatures4 67 Contains functionality to inject code into remote processes 8->67 69 Writes to foreign memory regions 8->69 71 Allocates memory in foreign processes 8->71 73 2 other signatures 8->73 13 notepad.exe 5 8->13         started        17 njuejjsh.exe 11->17         started        process5 file6 33 C:\Users\user\AppData\...\njuejjsh.exe, PE32 13->33 dropped 35 C:\Users\...\njuejjsh.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 njuejjsh.exe 13->19         started        81 Maps a DLL or memory area into another process 17->81 22 njuejjsh.exe 6 17->22         started        25 njuejjsh.exe 17->25         started        signatures7 process8 dnsIp9 59 Detected unpacking (changes PE section rights) 19->59 61 Detected unpacking (creates a PE file in dynamic memory) 19->61 63 Detected unpacking (overwrites its own PE header) 19->63 65 4 other signatures 19->65 27 njuejjsh.exe 15 6 19->27         started        31 njuejjsh.exe 19->31         started        39 192.168.2.1 unknown unknown 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 174.129.214.20, 49730, 49733, 80 AMAZON-AESUS United States 27->45 47 nagano-19599.herokussl.com 27->47 49 api.ipify.org 27->49 75 Tries to steal Mail credentials (via file access) 27->75 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a996aee16f79f6152b8516e615f3a9f78d6dab679a47d5f79d6cab5a1a04dd2f/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 09:04:15 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vglk5ylpph3bkk4fc3tbl45j66gw3k3htjd5l545nsvvugqe3uxq._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
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MassLogger
+ 1'824 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx stealer spyware family:masslogger
Link:
https://tria.ge/reports/200806-6cyg8slz8n/
Behaviour
Suspicious use of AdjustPrivilegeToken
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
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
Executes dropped EXE
UPX packed file
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a996aee16f79f6152b8516e615f3a9f78d6dab679a47d5f79d6cab5a1a04dd2f

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 a996aee16f79f6152b8516e615f3a9f78d6dab679a47d5f79d6cab5a1a04dd2f

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/40490/
  
URLhaus
https://urlhaus.abuse.ch/url/410906/
  
Delivery method
Distributed via web download

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