MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c74bae7a30dcb32a717ccd1669342fd22086a0e47c07babb53faa6fa406cc49e. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: c74bae7a30dcb32a717ccd1669342fd22086a0e47c07babb53faa6fa406cc49e
SHA3-384 hash: 11b3dbc0fcd702df0052a86a3bf680030a25ccfaf3375916b3c344cad9fc1547eb3e76f031430a24a721347b0bc914bd
SHA1 hash: 12f9db2d2a52394f307595ad1e4138d9cc02ffa3
MD5 hash: 54ec47a70668431f83c507789bef2f54
humanhash: crazy-lamp-neptune-march
File name:WAH.exe
Download: download sample
Signature MassLogger
File size:1'891'840 bytes
First seen:2020-10-20 19:00:35 UTC
Last seen:2020-10-20 19:44:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:i+91YBgTRWHOi77XgKe1GHzWrw3LTBQlz9a9osffhs5NIX37R1FcBRx1YWyimXQ8:i+0e12ngoJPBW
Threatray 633 similar samples on MalwareBazaar
TLSH 6F95DA3DADD5223756BAD6BACAF559CBF912754335126C0E50DB03860A03FAB7EC201E
Reporter srcr
Tags:exe MassLogger


Avatar
srcr
Sample source: http://awa-kenya.com/Img/WAH.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Launching a process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Moving a recently created file
Deleting a recently created file
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Found malware configuration
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 301344 Sample: WAH.exe Startdate: 20/10/2020 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 9 other signatures 2->63 7 WAH.exe 1 4 2->7         started        11 vlc.exe 2->11         started        13 vlc.exe 1 2->13         started        process3 file4 33 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 7->33 dropped 35 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\WAH.exe.log, ASCII 7->37 dropped 65 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->65 67 Adds a directory exclusion to Windows Defender 7->67 69 Injects a PE file into a foreign processes 7->69 15 WAH.exe 15 6 7->15         started        19 powershell.exe 25 7->19         started        21 WAH.exe 7->21         started        23 WAH.exe 7->23         started        25 vlc.exe 11->25         started        27 vlc.exe 13->27         started        29 vlc.exe 13->29         started        signatures5 process6 dnsIp7 39 elb097307-934924932.us-east-1.elb.amazonaws.com 54.204.14.42, 49732, 80 AMAZON-AESUS United States 15->39 41 nagano-19599.herokussl.com 15->41 43 api.ipify.org 15->43 53 Tries to steal Mail credentials (via file access) 15->53 31 conhost.exe 19->31         started        51 2 other IPs or domains 25->51 55 Tries to harvest and steal browser information (history, passwords, etc) 25->55 45 54.225.169.28, 49750, 49751, 80 AMAZON-AESUS United States 27->45 47 nagano-19599.herokussl.com 27->47 49 api.ipify.org 27->49 signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2020-10-20 13:52:30 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware stealer spyware family:masslogger persistence
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
MassLogger log file
Unpacked files
SH256 hash:
580f64ca3f8cebe9847e6732947252c62fd392c1fb4abd50ca54f394de0ae9f0
MD5 hash:
067ecc4eff96324ce6f49ded6270ab1e
SHA1 hash:
3b7f8ac341558af1156ae8b435cb55d6c9e57b09
SH256 hash:
a4009288982e4c30d22b544167f72db882e34f0fda7d4061b2c02c84688c0ed1
MD5 hash:
7c359500407dd393a276010ab778d5af
SHA1 hash:
4d63d669b73acaca3fc62ec263589acaaea91c0b
SH256 hash:
c74bae7a30dcb32a717ccd1669342fd22086a0e47c07babb53faa6fa406cc49e
MD5 hash:
54ec47a70668431f83c507789bef2f54
SHA1 hash:
12f9db2d2a52394f307595ad1e4138d9cc02ffa3
SH256 hash:
32e0d735f1fefd23594717fc7c6653f178229fc39d0308018d6831a8475af4c0
MD5 hash:
fb33ac8c30f73331f34ca31b37c7127e
SHA1 hash:
6eaf567f875d46a60d1f1aee85cf2601fc357d12
Detections:
win_masslogger_w0
SH256 hash:
598f7f9e09a88f2cf9c87447d6c26ea8ef775a3817d13a97845f5569b5c55ce0
MD5 hash:
014913e4fc0a9ed9e5dca3ec52ae19a5
SHA1 hash:
64cb0e0e459cd099455b0a5e087c945935ba9881
SH256 hash:
001aea64b16ccb4dfe7b64268eda32fbab68e668357f901ac13249e37811396b
MD5 hash:
a4b70553baa4486fa64f159facb7912e
SHA1 hash:
6d8651d9afb7065f21e05e08fd36f75bf7c95390
SH256 hash:
84ecbad107cfa8012799c66f98d0e20fb3b8fb269d8c5c198a0f76f25e2c7902
MD5 hash:
84727a5600fc38bca121e62b110d9486
SHA1 hash:
2ec9155061e3185bf397276d146704d9f852adac
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:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:win_masslogger_w0
Author:govcert_ch

File information


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

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