MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f86723dd6745755e1fd34eed86bb8556ba6e1909a24ff2aa078367c6056f0d21. 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: 12


Intelligence 12 IOCs YARA 18 File information Comments 1
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SHA256 hash: f86723dd6745755e1fd34eed86bb8556ba6e1909a24ff2aa078367c6056f0d21
SHA3-384 hash: 55d969932c42edfc5baff451ea45851e61ac2725cbd7926d7ae1193a93cd2cda878a457c05e3537d22b4bcb07ec48e64
SHA1 hash: 96ca464bd753533009ff4136e4d8857310a93968
MD5 hash: 8b54a417d8e971ab5cfb6d7591221442
humanhash: item-maine-kilo-india
File name:8b54a417d8e971ab5cfb6d7591221442
Download: download sample
Signature QuasarRAT
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File size:979'456 bytes
First seen:2022-07-30 14:45:58 UTC
Last seen:2022-07-30 16:53:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:tSxDROlTQJJdxVVv8sxkYC7svaSfFwx4WbEEbkLeOAH3/Lv:wdRV7Jl8siUaSf+oEweO
TLSH T1E425F1CD352171EEC457D072D9A85C74AA616CAB430B4147982B3EEBBE3D88BDF150B2
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 78c0db4cea7aa0fc (33 x AveMariaRAT, 23 x QuasarRAT, 1 x Loki)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
321
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/295245/
Detection(s):
PUA.Win.Packed.ConfuserEx-6391397-0
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PUA.Win.Packed.ConfuserEx-6582917-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
confuserex packed
Link:
https://www.filescan.io/uploads/62e544699ca9b9bfcbde5e27/reports/b65469c9-7f9d-4560-a8e5-01e3efd8a0bc/overview
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.
Malware family:
Quasar RAT
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9a40d2fa-bcec-44ad-8cab-07b0a6825fd9
Result
Threat name:
Quasar
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1043538
Signature
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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
PE file has nameless sections
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 676032 Sample: 1YJze6bIhz Startdate: 30/07/2022 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 8 other signatures 2->54 10 1YJze6bIhz.exe 1 2->10         started        14 1YJze6bIhz.exe 2->14         started        process3 file4 40 C:\Users\user\AppData\...\1YJze6bIhz.exe.log, ASCII 10->40 dropped 66 Detected unpacking (changes PE section rights) 10->66 68 May check the online IP address of the machine 10->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 10->70 16 1YJze6bIhz.exe 15 4 10->16         started        72 Injects a PE file into a foreign processes 14->72 21 1YJze6bIhz.exe 2 14->21         started        signatures5 process6 dnsIp7 42 ip-api.com 208.95.112.1, 49740, 49742, 80 TUT-ASUS United States 16->42 38 C:\Users\user\AppData\Roaming\...\cores.exe, PE32 16->38 dropped 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->56 23 cores.exe 1 16->23         started        26 schtasks.exe 1 16->26         started        file8 signatures9 process10 signatures11 58 Multi AV Scanner detection for dropped file 23->58 60 Detected unpacking (changes PE section rights) 23->60 62 May check the online IP address of the machine 23->62 64 3 other signatures 23->64 28 cores.exe 14 2 23->28         started        32 conhost.exe 26->32         started        process12 dnsIp13 44 dnuocc.com 109.206.241.133, 49748, 64594 AWMLTNL Germany 28->44 46 ip-api.com 28->46 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->74 34 schtasks.exe 1 28->34         started        signatures14 process15 process16 36 conhost.exe 34->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f86723dd6745755e1fd34eed86bb8556ba6e1909a24ff2aa078367c6056f0d21/
Threat name:
ByteCode-MSIL.Trojan.Quasar
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Status:
Malicious
First seen:
2022-07-30 14:46:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7btshxlhiv2v4h6tj3wyno4fk25g4gijujh7fkqhqnt4mblpbuqq._file
Verdict:
malicious
Result
Malware family:
quasar
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Score:
  10/10
Tags:
family:quasar botnet:vop spyware trojan
Link:
https://tria.ge/reports/220730-r492fabhc2/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
dnuocc.com:64594
www.dnuocc.com:64594
Unpacked files
SH256 hash:
1cd6f43175c9d2d3bd07005eff1eda84a51e81aa71cdd5627e01d58fded2501a
MD5 hash:
d5ecba9f0f604d1de773a84d88f77533
SHA1 hash:
ff4ca8953987b95ba06201d8a54d4d587529b10f
Link:
https://www.unpac.me/results/f4cf48fd-8f1e-4b97-880c-1511c4583607/
SH256 hash:
1c5e91175dcb7190147d6a10db2c1845185562283512ba533b5a31ea13ed2d84
MD5 hash:
51078fe70a6d412f942c79e0f18a52c3
SHA1 hash:
e06f1ddbc53823215d4246c6bcf5d6bfa4fb4c01
Link:
https://www.unpac.me/results/f4cf48fd-8f1e-4b97-880c-1511c4583607/
SH256 hash:
f86723dd6745755e1fd34eed86bb8556ba6e1909a24ff2aa078367c6056f0d21
MD5 hash:
8b54a417d8e971ab5cfb6d7591221442
SHA1 hash:
96ca464bd753533009ff4136e4d8857310a93968
Link:
https://www.unpac.me/results/f4cf48fd-8f1e-4b97-880c-1511c4583607/
Malware family:
xRAT
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f86723dd6745/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/f86723dd6745755e1fd34eed86bb8556ba6e1909a24ff2aa078367c6056f0d21

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:CN_disclosed_20180208_KeyLogger_1
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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
Create hunting rule
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_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:malware_Quasar_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
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Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
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Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
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Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:pe_imphash
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Rule name:Quasar_RAT_1
Create hunting rule
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
Create hunting rule
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
Create hunting rule
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
Create hunting rule
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
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Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
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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
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Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
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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.

Web download

QuasarRAT

Executable exe f86723dd6745755e1fd34eed86bb8556ba6e1909a24ff2aa078367c6056f0d21

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2262912/
Cape
Cape
https://www.capesandbox.com/analysis/295245/

Comments


Avatar
zbet commented on 2022-07-30 14:46:03 UTC

url : hxxps://www.js-hurling.com/tfgconent/djgjhdjfxjdgjhbnnghsdjkdutyhgshyjd/serdjhdgjufgjver1.exe