MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a488227da2824a44b2f2ef864c8cae1cee150d455918986dd5718d1392ad77af. 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


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a488227da2824a44b2f2ef864c8cae1cee150d455918986dd5718d1392ad77af
SHA3-384 hash: 7232f261fc39c6cc59fc72a82a29b4bc3027f0dff6523fa2962ec2e600b147bd0dfe2e1f822569bc1895b4e15f8690be
SHA1 hash: d426b6cd4a4e6fd1f542aa7539e854cb0cc2292b
MD5 hash: e824eafaa411a94bd04f0eb51a900582
humanhash: high-hawaii-april-texas
File name:QUXx2wujSTtArVd.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'010'688 bytes
First seen:2020-10-11 06:01:19 UTC
Last seen:2020-10-12 13:49:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:xEcEfSD8YG0VSwGkO4MxVMUtb3j5iKdeOHvI/TK:Wm8TCSwGkO46mUtgCPZ
Threatray 293 similar samples on MalwareBazaar
TLSH 4A25E02172F95B08E1BAA7FC507564601BF5778B222ED60F9DC324CE1A68FC14958FA3
Reporter cocaman
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69807/
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/487644
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a488227da2824a44b2f2ef864c8cae1cee150d455918986dd5718d1392ad77af/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2020-10-10 10:58:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=usece7ncqjfejmxs56dezdfodtxbkdkflemjq3ovoggrhevno6xq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
21ada34a203f6a238393d69d9c0aebc680f65e9eb0a9bc472f558709e85c88ee
QuasarRAT
4d52797ef29c39adff40c2e0e86ed50ba242028a82af1041d8dff12820bf2a5f
QuasarRAT
6d9aaf59f30c370edf5921da5c9085d00c826c01af55e8dde046b08b2573d8f2
QuasarRAT
88d7ccc6752536d44a533c184e24437ec1181dc841ed7c1fa6bcc408add5340e
QuasarRAT
9f999d5b44ff7bd243bc33f8a89f504c95d6b21eef26b7b80a49715471ff43d3
QuasarRAT
9fb2e0b5f09a7d3d66195fbaa6e7055cba4331ca2563305fc32104c82a978aa9
QuasarRAT
c00a516a6bdcb2118625e8156904192e491dba809a8088ce8b6da29eac55d41e
QuasarRAT
d29ac350da06473f2b10f012951942d5b90e2df48693ab8e6691fa4cf657accd
QuasarRAT
d7b0da0e8ccc1474692b0d96320de2254fa2b033bf3c00a9d10dad95aed383ad
QuasarRAT
db53a27c43dddb419e9d058e6288f3c1e7fc7e4bd62e3bb048e7103dcf79d682
QuasarRAT
+ 283 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
spyware stealer family:masslogger
Link:
https://tria.ge/reports/201011-fcwvxe8bwe/
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:
a488227da2824a44b2f2ef864c8cae1cee150d455918986dd5718d1392ad77af
MD5 hash:
e824eafaa411a94bd04f0eb51a900582
SHA1 hash:
d426b6cd4a4e6fd1f542aa7539e854cb0cc2292b
Link:
https://www.unpac.me/results/b65042fe-d162-4dd6-9dc3-3ad6ed36a395/
SH256 hash:
07ed4542b95c4880bce1a1722ef2b4c37e4ffc7ec71df5c4fdd9ba50018d9441
MD5 hash:
db169c16314db03c9a894fc727c09b46
SHA1 hash:
314d44a2bf64612d4c51d6ef262412b7dc36352e
Link:
https://www.unpac.me/results/b65042fe-d162-4dd6-9dc3-3ad6ed36a395/
SH256 hash:
4086f1cea6921f368a92e1adbf42d787a59f0b3971e4124b947191546653ca12
MD5 hash:
6590320ff5c4f7b677eae84cc3840a09
SHA1 hash:
5e3af049b2fc1d3a5026a27d189c13c90ec71c5f
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/b65042fe-d162-4dd6-9dc3-3ad6ed36a395/
Parent samples :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 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/b65042fe-d162-4dd6-9dc3-3ad6ed36a395/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a488227da2824a44b2f2ef864c8cae1cee150d455918986dd5718d1392ad77af

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
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:Quasar_RAT_1
Create hunting rule
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
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

QuasarRAT

zip eadf72c604c2ccf1cc3fb54ac1ad991b98141c64c01ae8b5e13894dc36cf7a4f

QuasarRAT

Executable exe a488227da2824a44b2f2ef864c8cae1cee150d455918986dd5718d1392ad77af

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 eadf72c604c2ccf1cc3fb54ac1ad991b98141c64c01ae8b5e13894dc36cf7a4f
Cape
Cape
https://www.capesandbox.com/analysis/69807/

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