MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fb83f7dcf99df1ee9f47544fc4387b22d48a40657d10b502f01a3c378b8ea3f. 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: 19


Intelligence 19 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8fb83f7dcf99df1ee9f47544fc4387b22d48a40657d10b502f01a3c378b8ea3f
SHA3-384 hash: 13377efdfc1516d635cf5e12859c61573985f5b3bf573c73079bd1ebb6483a55199151ebbe31249bab10ad4664a600c5
SHA1 hash: e447986e061805bd3511c7744270a6f75cee22d1
MD5 hash: 0517c7f29e89c73ae25acaa061e9d0ca
humanhash: twelve-oranges-bravo-hawaii
File name:dd.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'324'480 bytes
First seen:2025-10-06 17:06:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a9c887a4f18a3fede2cc29ceea138ed3 (33 x CoinMiner, 17 x AsyncRAT, 15 x BlankGrabber)
ssdeep 49152:Jjc8nkyf8W1rG6M3H94D2ewJH7KEDU7ngvyLCWwB4XTO0r6:BcxgnFG6ed4D2xJbKEDU7gvBYXK
Threatray 122 similar samples on MalwareBazaar
TLSH T155B522F2B983651BC50171FC87B3A052FCBCD4A04175A4D29B91D69AAF8B4F14EEAD03
TrID 38.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
15.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
11.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.5% (.EXE) Win32 Executable (generic) (4504/4/1)
4.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter burger
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dd.exe
Verdict:
Malicious activity
Analysis date:
2025-10-06 17:03:33 UTC
Tags:
github evasion crypto-regex
Link:
https://app.any.run/tasks/5dd718c9-70af-4300-b850-e4a7cc5ab459

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/30840/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e3f696277c2bd8bc5cf8b6
Tags:
vmdetect autorun quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Creating a file in the %AppData% subdirectories
Launching a process
Searching for the window
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/68e3f7285a3bccf09eba01be/reports/68a20165-eea2-42ec-bbd1-f78ef028524e/overview
Verdict:
Malicious
Labled as:
Razy.Generic
Link:
https://www.hybrid-analysis.com/sample/8fb83f7dcf99df1ee9f47544fc4387b22d48a40657d10b502f01a3c378b8ea3f
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-06T14:11:00Z UTC
Last seen:
2025-10-07T00:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8fb83f7dcf99df1ee9f47544fc4387b22d48a40657d10b502f01a3c378b8ea3f/results?tab=lookup
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7af2fc7a-356c-4958-a5df-f056549ab78f
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1789984
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
PE file has nameless sections
Sample uses string decryption to hide its real strings
Sigma detected: Schedule system process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1789984 Sample: dd.exe Startdate: 06/10/2025 Architecture: WINDOWS Score: 100 47 raw.githubusercontent.com 2->47 49 ipwho.is 2->49 51 2 other IPs or domains 2->51 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus / Scanner detection for submitted sample 2->73 75 7 other signatures 2->75 10 dd.exe 3 2->10         started        14 wintindo.exe 3 2->14         started        signatures3 process4 file5 43 C:\Users\user\AppData\Local\...\Hythera.exe, PE32+ 10->43 dropped 45 C:\Users\user\AppData\Local\Temp\FIX.exe, PE32 10->45 dropped 85 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->85 16 FIX.exe 5 10->16         started        20 Hythera.exe 11 10->20         started        signatures6 process7 dnsIp8 39 C:\Users\user\AppData\...\wintindo.exe, PE32 16->39 dropped 61 Antivirus detection for dropped file 16->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 16->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->65 23 wintindo.exe 14 12 16->23         started        27 schtasks.exe 1 16->27         started        53 github.com 140.82.113.4, 443, 49714 GITHUBUS United States 20->53 55 raw.githubusercontent.com 185.199.109.133, 443, 49713 FASTLYUS Netherlands 20->55 41 C:\ProgramData\Hythera\Hythera.exe, MS-DOS 20->41 dropped 67 Multi AV Scanner detection for dropped file 20->67 29 Hythera.exe 1 20->29         started        file9 signatures10 process11 dnsIp12 57 66.59.196.120, 4782, 49718, 49725 ATL-CBEYONDUS Reserved 23->57 59 ipwho.is 15.204.213.5, 443, 49720 HP-INTERNET-ASUS United States 23->59 77 Antivirus detection for dropped file 23->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->79 31 schtasks.exe 1 23->31         started        33 conhost.exe 27->33         started        81 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 29->81 83 Found direct / indirect Syscall (likely to bypass EDR) 29->83 35 conhost.exe 29->35         started        signatures13 process14 process15 37 conhost.exe 31->37         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8fb83f7dcf99df1ee9f47544fc4387b22d48a40657d10b502f01a3c378b8ea3f
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/0517c7f29e89c73ae25acaa061e9d0ca
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8fb83f7dcf99df1ee9f47544fc4387b22d48a40657d10b502f01a3c378b8ea3f/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/8fb83f7dcf99df1ee9f47544fc4387b22d48a40657d10b502f01a3c378b8ea3f
Threat name:
Win32.Dropper.Dapato
Create hunting rule
Status:
Malicious
First seen:
2025-10-06 17:04:24 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r64d67opthpr52puovcpyq4hwiwurjagk7iqwubpagr4g6fy5i7q._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
182272eef867fc6f3bcb4dfd68e7e9d27098a68f8f05dd45c12bb000537ea2bd
QuasarRAT
5df7a18c5674abbab89a53d3398c3398b800b14f8ff08488d89407402325f75a
QuasarRAT
6dbb22d7e0e30cbba3a888b9e736c9953c7edd4bb04a8855ff998f188e77e661
QuasarRAT
8768859060387f56a2243b3d68d1b88fc12def261668c945d67ba7772f569b24
QuasarRAT
8fb83f7dcf99df1ee9f47544fc4387b22d48a40657d10b502f01a3c378b8ea3f
QuasarRAT
ea90d10a0f856d00da2e68829e7c87e04f0d4834a05405cdbda1455c05f7de0f
QuasarRAT
error
QuasarRAT
+ 112 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:ps defense_evasion discovery execution persistence spyware trojan
Link:
https://tria.ge/reports/251006-vmsbvatsew/
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
66.59.196.120:4782
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b718d399-c5da-4e43-a633-51a800227d51
Unpacked files
SH256 hash:
8fb83f7dcf99df1ee9f47544fc4387b22d48a40657d10b502f01a3c378b8ea3f
MD5 hash:
0517c7f29e89c73ae25acaa061e9d0ca
SHA1 hash:
e447986e061805bd3511c7744270a6f75cee22d1
Link:
https://www.unpac.me/results/cd84852f-a78f-4fc5-9438-6412be24eaad/
SH256 hash:
d9613a163a1aba3d8ba0a49be51fa4472bb5531da81a01b1b7d0f231d478bac9
MD5 hash:
83071707d44cb6694ee2214d7e56e00f
SHA1 hash:
7fc6a2da312c8c0c7d79169c053872eefee05218
Detections:
QuasarRAT
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
MAL_BackNet_Nov18_1
Create hunting rule
INDICATOR_EXE_Packed_Fody
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/cd84852f-a78f-4fc5-9438-6412be24eaad/
SH256 hash:
0070b11673760079fe4119f15f5216c4fbe9e972a35b330e6b636746e17b12d1
MD5 hash:
16a83e2d6241c5b19a3c26ab101880d7
SHA1 hash:
b9e96d2c67aaa199112342c884c7bf975d9bd5c2
Detections:
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
HKTL_NET_GUID_Quasar
Create hunting rule
Link:
https://www.unpac.me/results/cd84852f-a78f-4fc5-9438-6412be24eaad/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8fb83f7dcf99/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8fb83f7dcf99df1ee9f47544fc4387b22d48a40657d10b502f01a3c378b8ea3f

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/30840/

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