MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d58538fee18c00f55def8bcaee383bc186440ddd55cb24ab8840cab62183e2ab. 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
QuasarRAT
Vendor detections: 9
| SHA256 hash: | d58538fee18c00f55def8bcaee383bc186440ddd55cb24ab8840cab62183e2ab |
|---|---|
| SHA3-384 hash: | ae68ac66ee53dcf2439da153040df447f204e9747637bd3477c4f2f16f042a51724b99139829862c26587515454a4685 |
| SHA1 hash: | b4940e3ec8002bac5e4211152c1cbf7ce354e078 |
| MD5 hash: | d9568b84f342440c935b9cc0eaf9cd4f |
| humanhash: | autumn-three-alaska-hotel |
| File name: | NwZDUeq0TcagOm6.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 1'139'200 bytes |
| First seen: | 2020-10-13 05:40:58 UTC |
| Last seen: | 2020-10-13 13:26:39 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 24576:DvxApBjFU3tFwQ9k1rKaSF7ul0UUZKOdnFiVYm+6:zxYB5U0Q9k1rKaSFAaKOdnsYq |
| Threatray | 318 similar samples on MalwareBazaar |
| TLSH | 9A3502F932289D9BCABE2DF2502245C043F61643347DF6C9ACC621FF5AD5F895A1029B |
| Reporter |  abuse_ch |
| Tags: | exe QuasarRAT RAT |
abuse_ch
Malspam distributing QuasarRAT:HELO: diabos.biz
Sending IP: 103.114.106.7
From: diabos@diabos.biz <diabos@diabos.biz>
Subject: Appointment letter from Eletson Corporation for LPG Kithnos / 012
Attachment: appointment letter.zip (contains "NwZDUeq0TcagOm6.exe")
Intelligence
File Origin
# of uploads :
4
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading critical registry keys
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 potential unpacker
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2020-10-13 01:29:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
22 of 29 (75.86%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
masslogger
Similar samples:
+ 308 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Score:
10/10
Tags:
spyware stealer family:masslogger
Behaviour
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
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
d58538fee18c00f55def8bcaee383bc186440ddd55cb24ab8840cab62183e2ab
MD5 hash:
d9568b84f342440c935b9cc0eaf9cd4f
SHA1 hash:
b4940e3ec8002bac5e4211152c1cbf7ce354e078
SH256 hash:
4086f1cea6921f368a92e1adbf42d787a59f0b3971e4124b947191546653ca12
MD5 hash:
6590320ff5c4f7b677eae84cc3840a09
SHA1 hash:
5e3af049b2fc1d3a5026a27d189c13c90ec71c5f
Detections:
win_masslogger_w0
Parent samples :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 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
SH256 hash:
adba5e8291ca602fd1d0a744dc9bee4e4258349d03544c72a94db863cfe131a6
MD5 hash:
e4dc0c676e7b2e3cfea20eed6fa7c211
SHA1 hash:
8b08e5148c7d0b6d5f6d784bced1f22be0e17c79
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
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: | Ping_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
| Rule name: | Quasar_RAT_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Quasar RAT |
| Reference: | https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf |
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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