MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88d7ccc6752536d44a533c184e24437ec1181dc841ed7c1fa6bcc408add5340e. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 88d7ccc6752536d44a533c184e24437ec1181dc841ed7c1fa6bcc408add5340e
SHA3-384 hash: 88c3c72e3644435d2e8302822a6ca11123cc55a609029efa7aa86801ce33b567006aee41e729505c2f5a961f2edaddd5
SHA1 hash: e9fc0f1243e9f60c61c2dae6d1bc0e1f9cec61d7
MD5 hash: 6b052b8275ce99c42a76e512e23a63ee
humanhash: uniform-jig-seventeen-mountain
File name:fHkKqT7NSq10OIH.exe
Download: download sample
Signature QuasarRAT
File size:931'840 bytes
First seen:2020-10-07 11:41:02 UTC
Last seen:2020-10-07 13:01:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:pEAJ6cSvi+ZrOa8WCOsT2rk687plQDeXTBwbvW:kcSviQrY3NTe587plQDeXTyj
Threatray 315 similar samples on MalwareBazaar
TLSH B315F1AC366075DFC857C9738DA81C64EA50747B470BE607A01326ADEE0E69BCF152F2
Reporter cocaman
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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 method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Binary contains a suspicious time stamp
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.Infostealer.Stelega
Status:
Malicious
First seen:
2020-10-07 11:42:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
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
Unpacked files
SH256 hash:
88d7ccc6752536d44a533c184e24437ec1181dc841ed7c1fa6bcc408add5340e
MD5 hash:
6b052b8275ce99c42a76e512e23a63ee
SHA1 hash:
e9fc0f1243e9f60c61c2dae6d1bc0e1f9cec61d7
SH256 hash:
3ea340dac0021787df578b04832795c8b7a5a71d90ad27f3ad7a3472ade2ab62
MD5 hash:
3c06f388a2e133a20a8899b77f5e5289
SHA1 hash:
64f833a95458ecf3fbe9b44d91600b0f51ac0c45
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:govcert_ch
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

QuasarRAT

Executable exe 88d7ccc6752536d44a533c184e24437ec1181dc841ed7c1fa6bcc408add5340e

(this sample)

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