MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 733841eb6bd45f7099e486392dec943d82d2c80167bdc831c2041f7a8dfdaa1c. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 733841eb6bd45f7099e486392dec943d82d2c80167bdc831c2041f7a8dfdaa1c
SHA3-384 hash: c3e76ddb32527ff3a6323eb52ea9a5409ac9f92477c59031f8eb63bf024625b4fef1df5ae0cc3a822d174e9ccc5ae131
SHA1 hash: 7a7e9fc13e3a2a9e87007e44d628e33125f51fbd
MD5 hash: d30a2f1a999eab07794bd5d7a99140cd
humanhash: kilo-oxygen-robert-ink
File name:d30a2f1a999eab07794bd5d7a99140cd.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:955'392 bytes
First seen:2020-07-16 18:56:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 43309ea2a58cc907a1eac62d43593a97 (2 x AgentTesla, 2 x RemcosRAT, 2 x AZORult)
ssdeep 24576:IHhnbaFXFENKZ3RmLqrEI7rUEKl4DsSGkTdhS:IkJNkqrV7rUEsSGcdE
Threatray 2'949 similar samples on MalwareBazaar
TLSH 9015C062F2B04433D263167D9C1B57B8683ABE1039685E466BF73D4CAF39251387B293
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 :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/27000/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

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

SecuriteInfo.com.Win32.Herz.B.1210.25587.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
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
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388804
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)
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
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)
Queues an APC in another process (thread injection)
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: 246582 Sample: Nh0mJdunJE.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected MassLogger RAT 2->38 40 4 other signatures 2->40 8 Nh0mJdunJE.exe 2->8         started        process3 signatures4 44 Contains functionality to inject code into remote processes 8->44 46 Writes to foreign memory regions 8->46 48 Allocates memory in foreign processes 8->48 50 2 other signatures 8->50 11 notepad.exe 4 8->11         started        process5 file6 24 C:\Users\user\AppData\Roaming\...\sskkjfe.exe, PE32 11->24 dropped 26 C:\Users\user\...\sskkjfe.exe:Zone.Identifier, ASCII 11->26 dropped 52 Creates files in alternative data streams (ADS) 11->52 15 sskkjfe.exe 11->15         started        signatures7 process8 signatures9 54 Multi AV Scanner detection for dropped file 15->54 56 Detected unpacking (changes PE section rights) 15->56 58 Detected unpacking (creates a PE file in dynamic memory) 15->58 60 5 other signatures 15->60 18 sskkjfe.exe 15 6 15->18         started        22 sskkjfe.exe 15->22         started        process10 dnsIp11 28 elb097307-934924932.us-east-1.elb.amazonaws.com 174.129.255.253, 49712, 80 AMAZON-AESUS United States 18->28 30 nagano-19599.herokussl.com 18->30 32 api.ipify.org 18->32 42 Tries to steal Mail credentials (via file access) 18->42 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/733841eb6bd45f7099e486392dec943d82d2c80167bdc831c2041f7a8dfdaa1c/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 18:58:06 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=om4ed23l2rpxbgpeqy4s33euhwbnfsabm664qmocaqpxvdp5vioa._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
Similar samples:
3daffeafb139eb3750166a874f498f706ec9e47fc0527a36b1e041f755f8417a
MassLogger
43a5c4c699ed770d7cb1905974ce708b67d76e3d4c15734a067dafb62a9b986e
MassLogger
498218f355d344974e2718c4f0d8dc9f780bab27dac5d2fd770b563853062bdd
MassLogger
5d293a9a2243b20beefc7ad8d7f4ca4a91a4bf67eca2496be9c22bc815eec4a1
MassLogger
71db72fdf67af76d080be2a30e8492469b63a48023286aa72ed83a322b45bfe1
MassLogger
777a3c049f1a80043ae61b63e864cda66494a8c7ee62d96f18d5823ef19ef52d
MassLogger
8799e5ea88300796b9a0ff95668c81998e3805d1844325931b25183d8385560c
MassLogger
87de9512a2c696b40bc99cabee5bca95ddb066efc019c359a88cd38b92775408
MassLogger
921f5424e5b5ece1bbf1bb40d86344993ec28ea7f75d2889edd60a906bfef685
MassLogger
cfa043d2f0aaec78a984700f442b041a62f06e569813c105a98765a9a0375f58
MassLogger
+ 2'939 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/200716-nfzj9ar4as/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
NTFS ADS
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
Loads dropped DLL
UPX packed file
Executes dropped EXE
MassLogger log file
MassLogger
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: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 733841eb6bd45f7099e486392dec943d82d2c80167bdc831c2041f7a8dfdaa1c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/412466/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/27000/

Comments