MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fafe7319dc4a4277a09863f72cbd14328e1607cdee608bc9f65945ec8055848. 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 20 File information Comments

SHA256 hash: 4fafe7319dc4a4277a09863f72cbd14328e1607cdee608bc9f65945ec8055848
SHA3-384 hash: b82eaf69a54bff55e3aa69afcadfb5fd8cf7aa4feeb6775beac2181068462e0d697dee38092855af579bc16505a34810
SHA1 hash: 1cc670cd744bb76596167ac5cd3bc97c04207a0c
MD5 hash: bd2a3591a9168a9030f32c30db2e0d32
humanhash: vermont-triple-happy-victor
File name:Quote#002.exe
Download: download sample
Signature QuasarRAT
File size:1'157'120 bytes
First seen:2022-04-14 10:41:24 UTC
Last seen:2022-04-20 10:25:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:lLk5ovSCLJNNGbphooRXSpwLiOhQCmIoMPNWg2kd8:iCLJGbpJZsw9QCmagg2kK
Threatray 889 similar samples on MalwareBazaar
TLSH T12B35D0427254A986D0575EF3186FC66066786D9E8020C64E3B83BE2B94F3B03346FB5F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon f29296968e9e9ea6 (60 x AgentTesla, 37 x RedLineStealer, 35 x Formbook)
Reporter pr0xylife
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Quote#002.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 10:47:21 UTC
Tags:
trojan evasion 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% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe greyware obfuscated packed remote.exe replace.exe
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
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM3
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609231 Sample: Quote#002.exe Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 12 other signatures 2->41 7 Quote#002.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\PJPiQwt.exe, PE32 7->23 dropped 25 C:\Users\user\...\PJPiQwt.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmp957D.tmp, XML 7->27 dropped 29 C:\Users\user\AppData\...\Quote#002.exe.log, ASCII 7->29 dropped 43 May check the online IP address of the machine 7->43 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Adds a directory exclusion to Windows Defender 7->47 49 Injects a PE file into a foreign processes 7->49 11 Quote#002.exe 15 4 7->11         started        15 powershell.exe 24 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 31 216.250.250.94, 4788 AS-TIERP-19019US United States 11->31 33 ip-api.com 208.95.112.1, 49738, 80 TUT-ASUS United States 11->33 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->51 53 Installs a global keyboard hook 11->53 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-11 15:12:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
24 of 42 (57.14%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Behaviour
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
216.250.250.94:4788
Unpacked files
SH256 hash:
007694272e71c5aa5e99bee9e6f9a48bd591a5f1d84f7e4d82b86d32570815b0
MD5 hash:
df10f342c5a36206cae9c53f0fbda9dd
SHA1 hash:
fc0e8645a7ed3fe8eb6a6ec45e34753baa2b1461
SH256 hash:
3116ad193d097c7857df13599d6204cec8f6fe84eeeb39fa013497ad8c316900
MD5 hash:
bf0788d028241b29760c0620212ad066
SHA1 hash:
f63c2a10c525bf129020db6259a90017712e4bd6
SH256 hash:
71f90aa162164b378a4ede95abbba6fa72536b49e916906f7f6952bdee4528f4
MD5 hash:
8eac6d78d1bc43fed7738b5115870e74
SHA1 hash:
bbf4b104f114ed3bad212ca722ea2ddd4e200b17
SH256 hash:
ab15509a4b1ba9b734c4354b8d8aa9210a46ce8dd613a2eb6a2fd73f0e7eb2b4
MD5 hash:
d1f0f5af9987e0185ee4966b23893bf9
SHA1 hash:
5c8045a622eba7fa059a0bdbc335fe4fb64c7dbc
SH256 hash:
4fafe7319dc4a4277a09863f72cbd14328e1607cdee608bc9f65945ec8055848
MD5 hash:
bd2a3591a9168a9030f32c30db2e0d32
SHA1 hash:
1cc670cd744bb76596167ac5cd3bc97c04207a0c
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:CN_disclosed_20180208_KeyLogger_1
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:CN_disclosed_20180208_KeyLogger_1_RID3227
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:malware_Quasar_strings
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_Lokibot_Stealer
Description:Detects Lokibot Stealer Variants
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:MAL_QuasarRAT_May19_1_RID2E1E
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Quasar_RAT_1
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_1_RID2B54
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2_RID2B55
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
Author:Florian Roth
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:xRAT_1
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W

File information


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

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