MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49d3a6363261b6915cf925e115234347ea4d4bb1bfe603a52a58d764eb266f87. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments 1

SHA256 hash: 49d3a6363261b6915cf925e115234347ea4d4bb1bfe603a52a58d764eb266f87
SHA3-384 hash: d0cc88caa34d652ee56940fb3975e6926c531ad4a5d225d8981a181f9d0384fbc997a739f872067beed0149342c93d3c
SHA1 hash: 7a1e1d9981e64379b6ad2517f3705180aa45c5c5
MD5 hash: dabaf8f6f0a1c62aea91871b215fe93c
humanhash: low-georgia-ohio-two
File name:dabaf8f6f0a1c62aea91871b215fe93c
Download: download sample
Signature QuasarRAT
File size:537'088 bytes
First seen:2024-07-01 07:15:32 UTC
Last seen:2024-07-01 09:23:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:RswAitwXUqtyzlKJCCzq1GzzjQ6NWiOhODiPw532k1c3u5WM+ix/WJpBvCIvyNVp:RJ4y5KJIMznOTPwtdIYbfSBvqN
Threatray 1 similar samples on MalwareBazaar
TLSH T13CB4E0227FF5E850C1AD2E7D597286121731DE828E43C317BD9037AE7EB2BD1EA41285
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 9269cccccccc6996 (1 x AZORult, 1 x RedLineStealer, 1 x QuasarRAT)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
358
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Generic Network Static Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a file
Launching a process
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
90%
Tags:
explorer installer lolbin vbnet
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Blackshades, DarkTortilla, Quasar
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Contains functionality to disable the Task Manager (.Net Source)
Deletes shadow drive data (may be related to ransomware)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected Blackshades RAT
Yara detected DarkTortilla Crypter
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected RansomwareGeneric
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1465078 Sample: lOLcENr3Kl.exe Startdate: 01/07/2024 Architecture: WINDOWS Score: 100 37 xmarvel.ddns.net 2->37 39 ip-api.com 2->39 53 Snort IDS alert for network traffic 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 61 15 other signatures 2->61 9 lOLcENr3Kl.exe 5 2->9         started        signatures3 59 Uses dynamic DNS services 37->59 process4 file5 31 C:\Users\user\AppData\...\lOLcENr3Kl.exe.log, ASCII 9->31 dropped 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->63 13 cmd.exe 3 9->13         started        signatures6 process7 file8 33 C:\Program Files (x86)\windowssandbox.exe, PE32 13->33 dropped 35 C:\...\windowssandbox.exe:Zone.Identifier, ASCII 13->35 dropped 69 Uses ping.exe to sleep 13->69 71 Uses ping.exe to check the status of other devices and networks 13->71 17 windowssandbox.exe 3 13->17         started        20 PING.EXE 1 13->20         started        23 conhost.exe 13->23         started        25 PING.EXE 1 13->25         started        signatures9 process10 dnsIp11 47 Deletes shadow drive data (may be related to ransomware) 17->47 49 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->51 27 InstallUtil.exe 14 2 17->27         started        41 127.0.0.1 unknown unknown 20->41 signatures12 process13 dnsIp14 43 ip-api.com 208.95.112.1, 49735, 49736, 80 TUT-ASUS United States 27->43 45 xmarvel.ddns.net 194.26.192.92, 4782, 49737, 49738 HEANETIE Netherlands 27->45 65 Deletes shadow drive data (may be related to ransomware) 27->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->67 signatures15
Threat name:
ByteCode-MSIL.Trojan.Xiclog
Status:
Malicious
First seen:
2024-07-01 07:16:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
73
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
Loads dropped DLL
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
194.26.192.92:4782
xmarvel.ddns.net:4782
Unpacked files
SH256 hash:
d64087c3e2627d3d786369b3a7fa41f8e61aebf48d8728f0a6317ea980549d40
MD5 hash:
ff2a3c9bc41376293368bc724769ee4a
SHA1 hash:
7f271952fbed17f79297554c1c1c4ad98fb404c9
SH256 hash:
49d3a6363261b6915cf925e115234347ea4d4bb1bfe603a52a58d764eb266f87
MD5 hash:
dabaf8f6f0a1c62aea91871b215fe93c
SHA1 hash:
7a1e1d9981e64379b6ad2517f3705180aa45c5c5
Malware family:
QuasarRAT
Verdict:
Malicious
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

QuasarRAT

Executable exe 49d3a6363261b6915cf925e115234347ea4d4bb1bfe603a52a58d764eb266f87

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments



Avatar
zbet commented on 2024-07-01 07:15:33 UTC

url : hxxps://opdal050.ru.com/justrat.exe