MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75ec88e7dccc7e244413b855f91a0105d3349f318c6caa98eb0ba3cb31055647. 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: 75ec88e7dccc7e244413b855f91a0105d3349f318c6caa98eb0ba3cb31055647
SHA3-384 hash: 07813c121d0f4e17ce02be0f1ad3bfc7bf4df47befb8cc3cfda11d3ea250a25fc5eadb7e59781a39d858c04f31171210
SHA1 hash: 3ecd3da3e3f620bed3ea4da065a76863797fcf8c
MD5 hash: 139d7dccd185fc94fc12d84e2af2701d
humanhash: romeo-high-nine-pasta
File name:INQUIRY482.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:891'392 bytes
First seen:2020-08-14 09:50:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ELcF1DxzW/Kq9GgVbc7NqRqI2Ih/yCGA9pQaMgnlWlz6yrQvrNA163/7:t5ED9GgVo7N4gIh/5MTB6yrQvrNr/
Threatray 568 similar samples on MalwareBazaar
TLSH 0A15F16AA1F1A40CE0BFF23EA2D9852675D34C9B0885D30A65BC3FD53E301D54B96DE8
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: smtpcmd01-ws.aruba.it
Sending IP: 62.149.158.241
From: info <info@unaltrocaffe.it>
Reply-To: info@unaltrocaffe.it
Subject: RE: New Inquiry
Attachment: INQUIRY482.rar (contains "INQUIRY482.exe")

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/45744/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a process from a recently created file
Unauthorized injection to a recently created 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/429283
Signature
Binary contains a suspicious time stamp
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)
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 AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 267120 Sample: INQUIRY482.exe Startdate: 15/08/2020 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Yara detected MassLogger RAT 2->57 59 Yara detected AntiVM_3 2->59 61 6 other signatures 2->61 9 INQUIRY482.exe 3 2->9         started        13 vlc.exe 2 2->13         started        process3 file4 41 C:\Users\user\AppData\...\INQUIRY482.exe.log, ASCII 9->41 dropped 65 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->65 67 Injects a PE file into a foreign processes 9->67 15 INQUIRY482.exe 15 7 9->15         started        69 Machine Learning detection for dropped file 13->69 19 vlc.exe 13->19         started        signatures5 process6 dnsIp7 49 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.136.99, 49724, 80 AMAZON-AESUS United States 15->49 51 nagano-19599.herokussl.com 15->51 53 api.ipify.org 15->53 39 C:\Users\user\VideoLAN\vlc.exe, PE32 15->39 dropped 21 cmd.exe 1 15->21         started        23 cmd.exe 1 15->23         started        file8 process9 process10 25 vlc.exe 3 21->25         started        27 conhost.exe 21->27         started        29 timeout.exe 1 21->29         started        31 conhost.exe 23->31         started        33 schtasks.exe 1 23->33         started        process11 35 vlc.exe 6 25->35         started        dnsIp12 43 smtp.gmail.com 173.194.69.109, 49733, 587 GOOGLEUS United States 35->43 45 23.21.42.216, 49732, 80 AMAZON-AESUS United States 35->45 47 3 other IPs or domains 35->47 63 Tries to steal Mail credentials (via file access) 35->63 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/75ec88e7dccc7e244413b855f91a0105d3349f318c6caa98eb0ba3cb31055647/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 09:52:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oxwirz64zr7ciratxbk7sgqbaxjtjhzrrrwkvghlbor4wmifkzdq._file
Verdict:
unknown
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MassLogger
+ 558 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger
Link:
https://tria.ge/reports/200814-85qkdscjbn/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
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/75ec88e7dccc7e244413b855f91a0105d3349f318c6caa98eb0ba3cb31055647

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 5268a4807bc891e93e68070094ef0ad9eb5add086acacdfe3b6393b96b3c736d

MassLogger

Executable exe 75ec88e7dccc7e244413b855f91a0105d3349f318c6caa98eb0ba3cb31055647

(this sample)

  
Dropped by
MD5 5867db570363e8e488c216cf3ef02601
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45744/
  
Dropped by
SHA256 5268a4807bc891e93e68070094ef0ad9eb5add086acacdfe3b6393b96b3c736d

Comments