MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51fd7ec86eb447de524db155117eb5a0422bbec61aabf2a887f0ba2d6f8065d1. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: 51fd7ec86eb447de524db155117eb5a0422bbec61aabf2a887f0ba2d6f8065d1
SHA3-384 hash: 844baf1934916642bf50862b4e6d5fc1ef6a8b77d188dc2485593f3b7334cdca45117d0809c58ab0104632fc3eac5b29
SHA1 hash: 64550e253cc39a63c9547b7d2173b429e605da66
MD5 hash: 9cee9fa15e4c70e527b95a1c6d341bfd
humanhash: happy-maine-wyoming-robin
File name:9cee9fa15e4c70e527b95a1c6d341bfd.exe
Download: download sample
Signature QuasarRAT
File size:1'430'080 bytes
First seen:2023-08-01 10:54:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
Threatray 1'116 similar samples on MalwareBazaar
TLSH T10D65E04EFC022F55C331D87B0A8E9A203CAA12BF5F529F1772656987DF805C6B03566B
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
296
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9cee9fa15e4c70e527b95a1c6d341bfd.exe
Verdict:
Malicious activity
Analysis date:
2023-08-01 11:02:44 UTC
Tags:
evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Launching a process
DNS request
Creating a process from a recently created file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd fingerprint greyware lolbin lolbin netsh nslookup overlay packed packed powershell replace setupapi shdocvw shell32
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:
n/a
Detection:
malicious
Classification:
troj.adwa.evad
Score:
84 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Drops PE files to the startup folder
May check the online IP address of the machine
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Uses netsh to modify the Windows network and firewall settings
Uses nslookup.exe to query domains
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1283658 Sample: Bp7nIttdxT.exe Startdate: 01/08/2023 Architecture: WINDOWS Score: 84 51 resolver1.opendns.com 2->51 63 Antivirus detection for dropped file 2->63 65 Multi AV Scanner detection for submitted file 2->65 10 Bp7nIttdxT.exe 12 2->10         started        signatures3 process4 file5 45 C:\Users\user\AppData\Local\Temp\7z.exe, PE32 10->45 dropped 47 C:\Users\user\AppData\Local\Temp\7z.dll, PE32 10->47 dropped 13 cmd.exe 2 10->13         started        process6 file7 49 C:\ProgramData\Microsoft\Windows\...\ratt.exe, PE32 13->49 dropped 69 Suspicious powershell command line found 13->69 71 Drops PE files to the startup folder 13->71 73 Uses nslookup.exe to query domains 13->73 75 Adds a directory exclusion to Windows Defender 13->75 17 cmd.exe 1 13->17         started        20 powershell.exe 7 13->20         started        22 7z.exe 3 13->22         started        25 7 other processes 13->25 signatures8 process9 file10 57 Uses nslookup.exe to query domains 17->57 27 nslookup.exe 1 17->27         started        59 Uses netsh to modify the Windows network and firewall settings 20->59 61 Modifies the windows firewall 20->61 43 C:\Users\user\AppData\Local\Temp\ratt.exe, PE32 22->43 dropped 31 cmd.exe 25->31         started        33 cmd.exe 25->33         started        35 WMIC.exe 1 25->35         started        37 2 other processes 25->37 signatures11 process12 dnsIp13 53 myip.opendns.com 27->53 55 222.222.67.208.in-addr.arpa 27->55 67 May check the online IP address of the machine 27->67 39 WMIC.exe 31->39         started        41 WMIC.exe 33->41         started        signatures14 process15
Threat name:
Win32.Packed.Generic
Status:
Suspicious
First seen:
2023-07-31 21:27:33 UTC
AV detection:
14 of 35 (40.00%)
Threat level:
  1/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:- evasion spyware trojan upx
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Looks up external IP address via web service
ACProtect 1.3x - 1.4x DLL software
Executes dropped EXE
Loads dropped DLL
UPX packed file
Unexpected DNS network traffic destination
Modifies Windows Firewall
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
94.131.105.161:12344
Unpacked files
SH256 hash:
51fd7ec86eb447de524db155117eb5a0422bbec61aabf2a887f0ba2d6f8065d1
MD5 hash:
9cee9fa15e4c70e527b95a1c6d341bfd
SHA1 hash:
64550e253cc39a63c9547b7d2173b429e605da66
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:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution

File information


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

Web download

QuasarRAT

Executable exe 51fd7ec86eb447de524db155117eb5a0422bbec61aabf2a887f0ba2d6f8065d1

(this sample)

  
Delivery method
Distributed via web download

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