MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be983fcc599cfd02543eb5494ccb4f4b24cc293006920b0d941b0771bf566626. 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 20 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be983fcc599cfd02543eb5494ccb4f4b24cc293006920b0d941b0771bf566626
SHA3-384 hash: d4bedf90c86d345ee7fd9f1d89cfcb7c22689e422913beec029ebc6c7db3d4412394266509122e5c7eba27f383b38d0e
SHA1 hash: 3ed9b09daf5f19954fd5b0168461ea8231371be6
MD5 hash: 8310e7d42847430ead54c6c4b0c45f94
humanhash: violet-beryllium-india-friend
File name:8310e7d42847430ead54c6c4b0c45f94
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'388'032 bytes
First seen:2022-12-08 10:29:29 UTC
Last seen:2022-12-08 12:48:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:R920yzWz7o3P76xTJU4BfO1MiFUmmG1lBRV/0WA/01sVC7:R+AoWTJU49Or1PX/szVC
TLSH T1B155E0963704AD8FC036C1F488A66FEA6634ACB55B4B4203B0777698DDFC3935E0A1D6
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 71e090aab296e870 (1 x QuasarRAT, 1 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/344268/
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
Sending a custom TCP request
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Сreating synchronization primitives
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
Creating a 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/6391bcaf527933be940d58ce/reports/18432a05-0535-4de4-a17f-de7204f15db1/overview
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.
Malware family:
Quasar RAT
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c88f7bcd-db72-4213-82a1-c04c867e407b
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1130608
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
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)
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 submitted file
PE file contains section with special chars
PE file has nameless sections
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: 763332 Sample: u80ExCkitz.exe Startdate: 08/12/2022 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 9 u80ExCkitz.exe 1 2->9         started        13 u80ExCkitz.exe 2->13         started        process3 file4 35 C:\Users\user\AppData\...\u80ExCkitz.exe.log, ASCII 9->35 dropped 51 Detected unpacking (changes PE section rights) 9->51 53 May check the online IP address of the machine 9->53 55 Uses schtasks.exe or at.exe to add and modify task schedules 9->55 15 u80ExCkitz.exe 15 4 9->15         started        57 Injects a PE file into a foreign processes 13->57 20 u80ExCkitz.exe 2 13->20         started        signatures5 process6 dnsIp7 37 ip-api.com 208.95.112.1, 49696, 49697, 80 TUT-ASUS United States 15->37 33 C:\Users\user\AppData\Roaming\rcv\rce.exe, PE32 15->33 dropped 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->39 22 rce.exe 1 15->22         started        25 schtasks.exe 1 15->25         started        file8 signatures9 process10 signatures11 49 Machine Learning detection for dropped file 22->49 27 rce.exe 22->27         started        29 conhost.exe 25->29         started        process12 process13 31 WerFault.exe 27->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/be983fcc599cfd02543eb5494ccb4f4b24cc293006920b0d941b0771bf566626/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-12-08 10:30:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x2md7tcztt6qevb6wveuzs2pjmsmykjqa2jawdmudmdxdp2wmyta._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/221208-mjtrhacf5v/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/804a967a-a02c-4ee8-bacb-1521ce88d109
Unpacked files
SH256 hash:
d00572de745b139c8bf6273023c21231cf92caa830b15ac6f4564261b80f4ba4
MD5 hash:
c86f3e98479a2ec8ed135913528635e0
SHA1 hash:
e897b1c3f0631d432fad23037ec778149197d4aa
Link:
https://www.unpac.me/results/5ba9c44e-ba35-4549-b5b5-ec00500ca7a9/
SH256 hash:
65c2ac4f26da590549a44004c57db7987383a94f799901a23eeb26bc6036eb52
MD5 hash:
0fcc1e17e89f5bc9d95db0aac47b730a
SHA1 hash:
ab2bd1176f50688d1beface95a4aba5ad18817c2
Link:
https://www.unpac.me/results/5ba9c44e-ba35-4549-b5b5-ec00500ca7a9/
SH256 hash:
94a74a4a57519b2fd1a5d5fce6ce7615a6610d69152962b4a0c0f7c5df08b9b3
MD5 hash:
5c3e0e47f277ea6f8574fe5b91733050
SHA1 hash:
684758647e91f14b62838cb3072fada9f413d509
Link:
https://www.unpac.me/results/5ba9c44e-ba35-4549-b5b5-ec00500ca7a9/
SH256 hash:
be983fcc599cfd02543eb5494ccb4f4b24cc293006920b0d941b0771bf566626
MD5 hash:
8310e7d42847430ead54c6c4b0c45f94
SHA1 hash:
3ed9b09daf5f19954fd5b0168461ea8231371be6
Link:
https://www.unpac.me/results/5ba9c44e-ba35-4549-b5b5-ec00500ca7a9/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/be983fcc599c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/be983fcc599cfd02543eb5494ccb4f4b24cc293006920b0d941b0771bf566626

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
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: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
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Create hunting rule
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
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:Windows_Trojan_Quasarrat_e52df647
Create hunting rule
Author:Elastic Security
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
Create hunting rule
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 be983fcc599cfd02543eb5494ccb4f4b24cc293006920b0d941b0771bf566626

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2451272/
Cape
Cape
https://www.capesandbox.com/analysis/344268/

Comments


Avatar
zbet commented on 2022-12-08 10:29:34 UTC

url : hxxps://js-hurling.com/wrcontents/qzghjkdhdxgf.exe