MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df8d26f897c26aa4051e4ed01b4b747a3cd0db41d1818726ea63fabfef008a00. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments

SHA256 hash: df8d26f897c26aa4051e4ed01b4b747a3cd0db41d1818726ea63fabfef008a00
SHA3-384 hash: 771fdc107e1405d9b42f5b8777479f94fb5090ba7467c8939bda362f2d79b106c1acede0ea251e569f9919b3edaa69a4
SHA1 hash: b239a332a29817afafa1a9ec31e7f0426e9f1048
MD5 hash: 0349d15dd557355e2ebd5ce6e0032946
humanhash: blossom-tennessee-may-oven
File name:svchost_PROTECTED.exe
Download: download sample
Signature QuasarRAT
File size:1'305'616 bytes
First seen:2021-06-11 15:41:04 UTC
Last seen:2021-06-11 16:50:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep 24576:wyU7UvkIVMT5YeDDpAgRLKf6eg6ZkivFxgTSFaZ+QemQEU3FnK+O8:wfwvkxFDDpAgRxB+kUFa2FaZ+Q3Quq
Threatray 2 similar samples on MalwareBazaar
TLSH 9D55334AAAD8D0D9F789C5F2255AE9A3C1F86FA3AFCFCC7601CF924476D914613018D8
Reporter r3dbU7z
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
svchost_PROTECTED.exe
Verdict:
Malicious activity
Analysis date:
2021-06-11 15:45:29 UTC
Tags:
trojan rat quasar

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
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for analyzed file
Creating a process from a recently created file
Creating a file
Sending a UDP request
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
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
PE file has nameless sections
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 433370 Sample: svchost_PROTECTED.exe Startdate: 11/06/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 9 other signatures 2->42 8 svchost_PROTECTED.exe 5 2->8         started        12 svchost_PROTECTED.exe 2 2->12         started        process3 file4 26 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 8->26 dropped 28 C:\Users\user\...\svchost_PROTECTED.exe.log, ASCII 8->28 dropped 44 Detected unpacking (changes PE section rights) 8->44 46 Detected unpacking (overwrites its own PE header) 8->46 48 Uses schtasks.exe or at.exe to add and modify task schedules 8->48 50 Drops PE files with benign system names 8->50 14 svchost.exe 15 2 8->14         started        18 schtasks.exe 1 8->18         started        52 Hides threads from debuggers 12->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->54 signatures5 process6 dnsIp7 30 rootkitsys.duckdns.org 110.93.8.141, 49742, 6964 OVERTHEWIRE-AS-APOverTheWirePtyLtdAU Australia 14->30 32 tools.keycdn.com 185.172.148.96, 443, 49746 PROINITYPROINITYDE Germany 14->32 34 4 other IPs or domains 14->34 56 Antivirus detection for dropped file 14->56 58 System process connects to network (likely due to code injection or exploit) 14->58 60 Detected unpacking (changes PE section rights) 14->60 62 7 other signatures 14->62 20 schtasks.exe 1 14->20         started        22 conhost.exe 18->22         started        signatures8 process9 process10 24 conhost.exe 20->24         started       
Threat name:
Win32.Trojan.Quasar
Status:
Malicious
First seen:
2021-06-11 15:41:08 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
df8d26f897c26aa4051e4ed01b4b747a3cd0db41d1818726ea63fabfef008a00
MD5 hash:
0349d15dd557355e2ebd5ce6e0032946
SHA1 hash:
b239a332a29817afafa1a9ec31e7f0426e9f1048
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:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:EnigmaStub
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_QuasarStealer
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:pe_imphash
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_smominru_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

  
Delivery method
Other

Comments