MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c16c890ebece47d2e9c9160c366e632fc7577ac766ae32ef640070481ab8c3e. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c16c890ebece47d2e9c9160c366e632fc7577ac766ae32ef640070481ab8c3e
SHA3-384 hash: b6ba19ea8657320681a88d2bb7803a36d0f975d2d2419b23ecc3f37a7c7a824da08ee1b3d9de19e88c31eaf187f2bb57
SHA1 hash: 81620db2356502fe77050a95d247dfcddf9125c4
MD5 hash: ab05b6b799e6bca232fdb7005c085e05
humanhash: romeo-delta-march-crazy
File name:ab05b6b799e6bca232fdb7005c085e05
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:928'768 bytes
First seen:2023-07-31 04:54:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:tAdQOgkIusb//ZVhOdO0OhU34mEGGEW0e34zabPsdhdHEMQmig/L:ydQOgHusbxVhOBTpRGD0e3yC0pETKL
Threatray 2 similar samples on MalwareBazaar
TLSH T14115235D374906FBCE6946FD4CA12182863272BF9A23E7D21DACBCF169C2760460D91F
TrID 40.9% (.EXE) Win64 Executable (generic) (10523/12/4)
19.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
8.0% (.ICL) Windows Icons Library (generic) (2059/9)
7.8% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:64 exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
324
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
ab05b6b799e6bca232fdb7005c085e05
Verdict:
Malicious activity
Analysis date:
2023-07-31 04:55:39 UTC
Tags:
rat quasar trojan asyncrat remote
Link:
https://app.any.run/tasks/c9d01b51-9504-43a9-911e-a84322a1e55c

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/439252/
Detection(s):
SecuriteInfo.com.Win64.TrojanX-gen.13278.9014.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Creating a window
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed packed
Link:
https://www.filescan.io/uploads/64c73ea8f69d8e39b7addc52/reports/4cb48559-80cf-4615-9f18-9a797911c925/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6c16c890ebece47d2e9c9160c366e632fc7577ac766ae32ef640070481ab8c3e
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/eb9ba774-68de-4fca-8ba1-8cb6a27e9c0f
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1282871
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Schedule system process
Snort IDS alert for network traffic
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1282871 Sample: 65hqt7PfEA.exe Startdate: 31/07/2023 Architecture: WINDOWS Score: 100 64 atomic.opdailyallowance.top 2->64 66 tools.keycdn.com 2->66 68 2 other IPs or domains 2->68 82 Snort IDS alert for network traffic 2->82 84 Multi AV Scanner detection for domain / URL 2->84 86 Found malware configuration 2->86 88 16 other signatures 2->88 9 65hqt7PfEA.exe 1 7 2->9         started        13 svchost.exe 2 2->13         started        15 svchost.exe 2 2->15         started        17 svchost.exe 2->17         started        signatures3 process4 file5 60 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 9->60 dropped 62 C:\Users\user\AppData\...\65hqt7PfEA.exe.log, ASCII 9->62 dropped 108 Drops PE files with benign system names 9->108 19 cmd.exe 1 9->19         started        21 cmd.exe 1 9->21         started        110 Writes to foreign memory regions 13->110 112 Injects a PE file into a foreign processes 13->112 24 AddInProcess32.exe 13->24         started        27 DataSvcUtil.exe 13->27         started        35 3 other processes 13->35 114 Multi AV Scanner detection for dropped file 15->114 116 Machine Learning detection for dropped file 15->116 29 cvtres.exe 15->29         started        31 RegSvcs.exe 15->31         started        33 ilasm.exe 15->33         started        37 7 other processes 15->37 signatures6 process7 dnsIp8 39 svchost.exe 3 19->39         started        42 conhost.exe 19->42         started        44 timeout.exe 1 19->44         started        96 Uses schtasks.exe or at.exe to add and modify task schedules 21->96 46 conhost.exe 21->46         started        48 schtasks.exe 1 21->48         started        76 atomic.opdailyallowance.top 24->76 78 104.237.62.211, 443, 49704 WEBNXUS United States 24->78 80 3 other IPs or domains 24->80 98 May check the online IP address of the machine 24->98 100 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->100 102 Installs a global keyboard hook 24->102 signatures9 process10 signatures11 104 Writes to foreign memory regions 39->104 106 Injects a PE file into a foreign processes 39->106 50 jsc.exe 15 2 39->50         started        54 ngen.exe 39->54         started        56 ComSvcConfig.exe 39->56         started        58 14 other processes 39->58 process12 dnsIp13 70 atomic.opdailyallowance.top 157.90.51.195, 49696, 49700, 49701 REDIRISRedIRISAutonomousSystemES United States 50->70 72 api4.ipify.org 173.231.16.76, 443, 49699, 49705 WEBNXUS United States 50->72 74 2 other IPs or domains 50->74 90 May check the online IP address of the machine 50->90 92 Hides that the sample has been downloaded from the Internet (zone.identifier) 50->92 94 Installs a global keyboard hook 50->94 signatures14
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6c16c890ebece47d2e9c9160c366e632fc7577ac766ae32ef640070481ab8c3e/
Threat name:
Win64.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2023-07-30 21:22:55 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
16 of 22 (72.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nqlmrehl5tsh2lu4sfqmgzxggl6hk55mozvoglxwiadqjanlrq7a._file
Verdict:
malicious
Similar samples:
c0008144ddbf580b5aa762cdc847c84ea6222f9b47543c17ddb90d86cd7fd0ca
QuasarRAT
cab876614b0a34bf3534506ef5b37f2e50579488de269eed485d9054711ddf6c
QuasarRAT
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:kgb2 persistence spyware trojan
Link:
https://tria.ge/reports/230731-fj4s5scf62/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
atomic.opdailyallowance.top:6980
Unpacked files
SH256 hash:
6c16c890ebece47d2e9c9160c366e632fc7577ac766ae32ef640070481ab8c3e
MD5 hash:
ab05b6b799e6bca232fdb7005c085e05
SHA1 hash:
81620db2356502fe77050a95d247dfcddf9125c4
Link:
https://www.unpac.me/results/f6166d24-a01f-4f1a-bb13-cbcc54d16ac2/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6c16c890ebec/report/overview.html
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/6c16c890ebece47d2e9c9160c366e632fc7577ac766ae32ef640070481ab8c3e

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:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody

File information

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

Web download

QuasarRAT

Executable exe 6c16c890ebece47d2e9c9160c366e632fc7577ac766ae32ef640070481ab8c3e

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/439252/
  
URLhaus
https://urlhaus.abuse.ch/url/2693163/

Comments


Avatar
zbet commented on 2023-07-31 04:54:42 UTC

url : hxxp://5.42.92.67/lend/QUAREUD.exe