MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0
SHA3-384 hash: 90c3bc7b4c364b3b9b909a4d58a82e8ca275ef54bddbf5a318b02d8d63a91fbbe998bad8efad33ef59c3a2d03c57ec9a
SHA1 hash: 0a86ae4b1542726a9a2f9d24102003141150b358
MD5 hash: fb5784de1a251633e8006e3fc03bcb6f
humanhash: oklahoma-grey-cold-nuts
File name:fb5784de1a251633e8006e3fc03bcb6f.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'445'593 bytes
First seen:2023-08-13 07:52:44 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 22 similar samples on MalwareBazaar
TLSH T1ED65E04EFC022F55C331D87B0A8E9A203CAA12BF5F529F1772656987DF805C6B03566B
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 :
299
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fb5784de1a251633e8006e3fc03bcb6f.exe
Verdict:
Malicious activity
Analysis date:
2023-08-13 08:03:36 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/dde91407-c113-4a8a-a134-fccfbc0c5c6b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/442467/
Detection(s):
SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a 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
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/554d9f9a-3234-448b-8295-ed66662cdda6
Result
Threat name:
DarkTortilla, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1290615
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Drops PE files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies the windows firewall
Multi AV Scanner detection for dropped file
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1290615 Sample: pZ8CZj0wAa.exe Startdate: 13/08/2023 Architecture: WINDOWS Score: 100 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus detection for dropped file 2->80 82 Multi AV Scanner detection for dropped file 2->82 84 5 other signatures 2->84 10 pZ8CZj0wAa.exe 12 2->10         started        process3 file4 64 C:\Users\user\AppData\Local\Temp\7z.exe, PE32 10->64 dropped 66 C:\Users\user\AppData\Local\Temp\7z.dll, PE32 10->66 dropped 13 cmd.exe 2 10->13         started        process5 file6 68 C:\ProgramData\Microsoft\Windows\...\ratt.exe, PE32 13->68 dropped 100 Suspicious powershell command line found 13->100 102 Uses ping.exe to sleep 13->102 104 Drops PE files to the startup folder 13->104 106 3 other signatures 13->106 17 powershell.exe 19 13->17         started        19 cmd.exe 1 13->19         started        22 powershell.exe 7 13->22         started        24 7 other processes 13->24 signatures7 process8 file9 27 ratt.exe 17->27         started        30 cmd.exe 17->30         started        32 cmd.exe 17->32         started        39 3 other processes 17->39 88 Uses nslookup.exe to query domains 19->88 34 nslookup.exe 1 19->34         started        90 Uses netsh to modify the Windows network and firewall settings 22->90 92 Modifies the windows firewall 22->92 62 C:\Users\user\AppData\Local\Temp\ratt.exe, PE32 24->62 dropped 37 WMIC.exe 1 24->37         started        signatures10 process11 dnsIp12 96 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->96 41 cmd.exe 27->41         started        44 cmd.exe 27->44         started        46 WMIC.exe 30->46         started        48 WMIC.exe 32->48         started        70 resolver1.opendns.com 34->70 72 myip.opendns.com 34->72 74 222.222.67.208.in-addr.arpa 34->74 98 May check the online IP address of the machine 34->98 signatures13 process14 signatures15 94 Uses ping.exe to sleep 41->94 50 reg.exe 41->50         started        53 PING.EXE 41->53         started        56 conhost.exe 41->56         started        58 conhost.exe 44->58         started        60 PING.EXE 44->60         started        process16 dnsIp17 86 Creates an undocumented autostart registry key 50->86 76 127.0.0.1 unknown unknown 53->76 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0/
Threat name:
Win32.Backdoor.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2023-08-12 11:33:43 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qfu42nnmqqdj2xq6cao4ektotszpzl72bq2xs4vnl655lq6xzdqa._file
Verdict:
malicious
Similar samples:
1ead164add4a39d1dea816fef36c153347edd9516554db804fd847ebdaad8688
QuasarRAT
2373051514c08af26704de34d18387632b72005f08d2ac2aff4b55666c1e617a
QuasarRAT
295a185629cf9edf7bcdddd8cf1a68c95bb82f4debfad3f5540075feada42d85
QuasarRAT
3561b1eab2b650f0a714dc2da14bb751e03008a444dcc7dc1293eca7056727a2
QuasarRAT
3594486ee2019ce81554baa4f01ecbbef8d0d392dbf2d4866ac340b3b0623c5c
QuasarRAT
446394f68754ec8ef7d4aa622921b8a5fd77b0dbea23a1b39c366d905fac4489
QuasarRAT
5d95c10e8122a51e32257074a96464232e99923864532e6b6c4d2b245a7a852f
QuasarRAT
74f4632c70177bc53bd951fa37c1053796017b6b8a3d6d58a281fab70af7d3a3
QuasarRAT
80e2f3ab9f85cfd764db0792a05b2a77889457522bb3f6d9b5edfac8321843f8
QuasarRAT
b3232cf26bd9de37e2886331f76a75c0cce821858b71afe574c11ec942def210
QuasarRAT
+ 12 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:- evasion persistence spyware trojan upx
Link:
https://tria.ge/reports/230813-jqzpjsbg9z/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
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:
8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0
MD5 hash:
fb5784de1a251633e8006e3fc03bcb6f
SHA1 hash:
0a86ae4b1542726a9a2f9d24102003141150b358
Link:
https://www.unpac.me/results/7ae1d0a6-2278-4d3d-a591-f7a97f58dbc6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

Web download

QuasarRAT

Executable exe 8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2693711/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/442467/

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