MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7c64b437d10f5483b3a78cbf4a08f22cd829c60515c312d2bd21e1a37e250ce. 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: f7c64b437d10f5483b3a78cbf4a08f22cd829c60515c312d2bd21e1a37e250ce
SHA3-384 hash: 4974d2e197984775acab65bb68c216b86e9ab7ec9124baef4fe5e58ff68438875994c40b636a9119179bc9beddce34a5
SHA1 hash: fd98311b1e629afa8d519a7005b0b9f578006cf9
MD5 hash: 8b13b35d3207a2dd036004fa35a91606
humanhash: utah-football-ohio-queen
File name:20200408__001003001001.XLS.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'305'088 bytes
First seen:2020-08-04 11:11:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4bae7147ec04d935db5914fb885560bb (11 x AgentTesla, 3 x MassLogger, 2 x AZORult)
ssdeep 24576:petNafLLOM9QKlNwWfMPggoG2KGjsEAfl1Imu0IMrzzktNf+IVg1tm:pe00Kl6WkPkGusEi/IEjipg6
Threatray 2'836 similar samples on MalwareBazaar
TLSH D655D01FB3E04437D1B2263DBC2B6FB4582EBD0D2D249A467BE4ED0C5E386513A25297
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: sbmc.com.cn
Sending IP: 156.96.58.85
From: Yang <info@sbmc.com.cn>
Subject: 询价
Attachment: 20200408__001003001001.XLS.z (contains "20200408__001003001001.XLS.exe")

MassLogger SMTP exfil server:
smtp.yandex.com.tr:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38548/
Detection(s):
SecuriteInfo.com.Variant.Graftor.807433.11886.16799.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Adding an access-denied ACE
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Deleting a recently created file
Setting a global event handler for the keyboard
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/409307
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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)
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7c64b437d10f5483b3a78cbf4a08f22cd829c60515c312d2bd21e1a37e250ce/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 11:13:06 UTC
AV detection:
38 of 48 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=67dewq35cd2uqoz2pdf7jiepelgyfhdakfodcljl2ipbun7ckdha._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
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MassLogger
+ 2'826 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/200804-516gvxmgv6/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
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:
Cryptor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f7c64b437d10f5483b3a78cbf4a08f22cd829c60515c312d2bd21e1a37e250ce

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.

Malspam

MassLogger

zip a7356c1b5bd52aa3e0fe04f9084b27d1c30b21ab02b7cb3dc12b7dd47728805d

MassLogger

Executable exe f7c64b437d10f5483b3a78cbf4a08f22cd829c60515c312d2bd21e1a37e250ce

(this sample)

  
Dropped by
MD5 28f3c1353ab364145ad744d3440a5904
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38548/
  
Dropped by
SHA256 a7356c1b5bd52aa3e0fe04f9084b27d1c30b21ab02b7cb3dc12b7dd47728805d

Comments