MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7e53df2cb418ad47d225c64efe2cd9a111b4a010ed363a1f9bcd6e23a807c244. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments

SHA256 hash: 7e53df2cb418ad47d225c64efe2cd9a111b4a010ed363a1f9bcd6e23a807c244
SHA3-384 hash: 32018e07424864461e8f5115475335a42268d560158cd537417465fc110da0efab6806c57966b3d5f4e290b00b9a79de
SHA1 hash: 9525bec4453a777d852838a62f82ece0233b9487
MD5 hash: 252ecd2827723011e3d37edeaccd2599
humanhash: neptune-stream-venus-delta
File name:svchost-ORIGINAL.exe
Download: download sample
Signature QuasarRAT
File size:523'792 bytes
First seen:2021-06-11 15:39:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 6144:8TEgdc0Y5Xc2rao+RGmZOxclf7PQHydcEHab8F9hvuhYV6cTR314:8TEgdfYdrafXdXdzmhYEcd14
Threatray 51 similar samples on MalwareBazaar
TLSH F5B46B4023FC852BE5BE5779E871052067F9E40BB26BFB5F4541B0E92CA67069E40BB3
Reporter r3dbU7z
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
svchost-ORIGINAL.exe
Verdict:
Malicious activity
Analysis date:
2021-06-11 15:43:59 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 the 'hidden' option for recently created files
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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:
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 (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)
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
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: 433369 Sample: svchost-ORIGINAL.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 8 other signatures 2->42 8 svchost-ORIGINAL.exe 5 2->8         started        12 svchost-ORIGINAL.exe 2 2->12         started        process3 file4 26 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 8->26 dropped 28 C:\Users\user\...\svchost-ORIGINAL.exe.log, ASCII 8->28 dropped 44 Detected unpacking (overwrites its own PE header) 8->44 46 Uses schtasks.exe or at.exe to add and modify task schedules 8->46 48 Drops PE files with benign system names 8->48 14 svchost.exe 2 8->14         started        18 schtasks.exe 1 8->18         started        50 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->50 signatures5 process6 dnsIp7 30 rootkitsys.duckdns.org 110.93.8.141, 49723, 6964 OVERTHEWIRE-AS-APOverTheWirePtyLtdAU Australia 14->30 32 tools.keycdn.com 185.172.148.96, 443, 49725 PROINITYPROINITYDE Germany 14->32 34 4 other IPs or domains 14->34 52 Antivirus detection for dropped file 14->52 54 System process connects to network (likely due to code injection or exploit) 14->54 56 Detected unpacking (overwrites its own PE header) 14->56 58 5 other signatures 14->58 20 schtasks.exe 1 14->20         started        22 conhost.exe 18->22         started        signatures8 process9 process10 24 conhost.exe 20->24         started       
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2021-06-11 15:40:13 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Looks up external IP address via web service
Executes dropped EXE
Quasar Payload
Quasar RAT
Unpacked files
SH256 hash:
7e53df2cb418ad47d225c64efe2cd9a111b4a010ed363a1f9bcd6e23a807c244
MD5 hash:
252ecd2827723011e3d37edeaccd2599
SHA1 hash:
9525bec4453a777d852838a62f82ece0233b9487
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:Glasses
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Author:Seth Hardy
Description:Glasses code features
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

File information


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

  
Delivery method
Other

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