MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f38bf49d1b80576d1df0cea02b590d52b16dfd03acfa6f9776fb010bd88ec38d. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f38bf49d1b80576d1df0cea02b590d52b16dfd03acfa6f9776fb010bd88ec38d
SHA3-384 hash: 03a5f9ba429014ba648b292eac00b462726cd034e3ef2e2ec9da3c87a1898369e9c4fddb19f9fb8700fb0f7fe3f71e54
SHA1 hash: 52fae0a23be2b93f3d8954bcdae95a1daeb6914e
MD5 hash: b8681b59671bbc3bfdf4b983f913bf6f
humanhash: pizza-pennsylvania-mirror-november
File name:CHANG_10928748.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'382'912 bytes
First seen:2020-08-04 10:50:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'628 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:DO6IYxPewVfURuRIr34dDvwXswSoEPuSQN9DIsxf44ZlgV:rIPwRGr4pwXswbBSQNFIsNjgV
Threatray 745 similar samples on MalwareBazaar
TLSH B355CFC5F5C059D9D81A493B4C327C918B336C2B9F028E023C9DB6596BBB5865E34B8F
Reporter abuse_ch
Tags:exe MassLogger Yahoo


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: sonic312-21.consmr.mail.sg3.yahoo.com
Sending IP: 106.10.244.211
From: Angolan Semba <sangolansemba@yahoo.com.sg>
Subject: : Fwd: Wire Transfer Payment
Attachment: CHANG_10928748.rar (contains "CHANG_10928748.exe")

MassLogger SMTP exfil server:
smtp.yandex.ru:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38507/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/409304
Signature
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f38bf49d1b80576d1df0cea02b590d52b16dfd03acfa6f9776fb010bd88ec38d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 10:52:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6of7jhi3qblw2hpqz2qcwwinkkyw37idvt5g7f3w7maqxweoyogq._file
Verdict:
unknown
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+ 735 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware stealer spyware family:masslogger
Link:
https://tria.ge/reports/200804-3d5edyfp9e/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f38bf49d1b80576d1df0cea02b590d52b16dfd03acfa6f9776fb010bd88ec38d

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

rar 1dc8e1ca1cf615a5302b8b4a8562d22d8aead04f9d6d00d6a52d58f105607e12

MassLogger

Executable exe f38bf49d1b80576d1df0cea02b590d52b16dfd03acfa6f9776fb010bd88ec38d

(this sample)

  
Dropped by
MD5 28481a8791252084f1ddd148404e0717
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38507/
  
Dropped by
SHA256 1dc8e1ca1cf615a5302b8b4a8562d22d8aead04f9d6d00d6a52d58f105607e12

Comments