MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07733638a39beadad8c496d03fbdd66b49d82e22fcaf7ee9dbadaa8fde982aee. 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: 07733638a39beadad8c496d03fbdd66b49d82e22fcaf7ee9dbadaa8fde982aee
SHA3-384 hash: 122eabd9c6b6cb5ca3ea0804e76825b7fd25179a48336d529a7630a692ae2c53a10c1e49aa1288cda33c10265e7b84db
SHA1 hash: 5f6f7745bd9123d934b35b87a9a5f0705a28664c
MD5 hash: 5bac4917f0922f7109de719b9ca6cd2a
humanhash: king-ink-happy-speaker
File name:5bac4917f0922f7109de719b9ca6cd2a.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:991'744 bytes
First seen:2020-09-16 11:05:05 UTC
Last seen:2020-09-16 12:12:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 63d5d5e1ba3d09d269bbbd87e853a0d7 (7 x MassLogger, 5 x AgentTesla, 1 x NetWire)
ssdeep 24576:o+pbzwIxk4VdoqmhAb8bo+t0XXkbg1T4bWR99:5pbkGtLKhABXkb2BR99
TLSH 8825D027E1D19837F1175E79CC0BB678A829BE802958D8863AE4ED4C9F3C791381E1D7
Reporter abuse_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/61921/
Detection(s):
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
Sending a UDP request
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
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/467721
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
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
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
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 Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 286278 Sample: 4hRM9X8MDo.exe Startdate: 16/09/2020 Architecture: WINDOWS Score: 100 58 Yara detected MassLogger RAT 2->58 60 Yara detected AntiVM_3 2->60 62 Sigma detected: Drops script at startup location 2->62 64 4 other signatures 2->64 9 4hRM9X8MDo.exe 2->9         started        12 wscript.exe 1 2->12         started        process3 signatures4 74 Writes to foreign memory regions 9->74 76 Allocates memory in foreign processes 9->76 78 Queues an APC in another process (thread injection) 9->78 80 Contains functionality to detect sleep reduction / modifications 9->80 14 notepad.exe 5 9->14         started        18 hshkjfshsdd.exe 12->18         started        process5 file6 40 C:\Users\user\AppData\...\hshkjfshsdd.exe, PE32 14->40 dropped 42 C:\Users\...\hshkjfshsdd.exe:Zone.Identifier, ASCII 14->42 dropped 44 C:\Users\user\AppData\Roaming\...\win.vbs, ASCII 14->44 dropped 86 Creates files in alternative data streams (ADS) 14->86 88 Drops VBS files to the startup folder 14->88 20 hshkjfshsdd.exe 14->20         started        90 Maps a DLL or memory area into another process 18->90 23 hshkjfshsdd.exe 18->23         started        25 hshkjfshsdd.exe 18->25         started        signatures7 process8 signatures9 66 Multi AV Scanner detection for dropped file 20->66 68 Detected unpacking (changes PE section rights) 20->68 70 Detected unpacking (creates a PE file in dynamic memory) 20->70 72 5 other signatures 20->72 27 hshkjfshsdd.exe 15 6 20->27         started        31 hshkjfshsdd.exe 20->31         started        33 hshkjfshsdd.exe 23->33         started        process10 dnsIp11 52 elb097307-934924932.us-east-1.elb.amazonaws.com 54.227.255.202, 49731, 80 AMAZON-AESUS United States 27->52 54 nagano-19599.herokussl.com 27->54 56 api.ipify.org 27->56 82 Tries to steal Mail credentials (via file access) 27->82 84 Maps a DLL or memory area into another process 33->84 35 hshkjfshsdd.exe 33->35         started        38 hshkjfshsdd.exe 33->38         started        signatures12 process13 dnsIp14 46 54.225.195.221, 49739, 80 AMAZON-AESUS United States 35->46 48 192.168.2.1 unknown unknown 35->48 50 3 other IPs or domains 35->50
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/07733638a39beadad8c496d03fbdd66b49d82e22fcaf7ee9dbadaa8fde982aee/
Threat name:
Win32.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-09-16 11:07:05 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=a5ztmofdtpvnvwges3id7pownne5qlrc7sxx52o3vwvi7xuyflxa._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
hawkeyekeylogger
Create hunting rule
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx stealer spyware family:masslogger
Link:
https://tria.ge/reports/200916-q7ww5kcwss/
Behaviour
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
MassLogger
MassLogger log file
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/07733638a39beadad8c496d03fbdd66b49d82e22fcaf7ee9dbadaa8fde982aee

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 07733638a39beadad8c496d03fbdd66b49d82e22fcaf7ee9dbadaa8fde982aee

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/61921/
  
URLhaus
https://urlhaus.abuse.ch/url/410915/
  
Delivery method
Distributed via web download

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