MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52807927efca34144cfa56a3868a913858fa0fc74aeb0b370964688ec49f1312. 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 18 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52807927efca34144cfa56a3868a913858fa0fc74aeb0b370964688ec49f1312
SHA3-384 hash: 90ecae024f963c184411d066f91c02337e65e06411d1dae79a4a91d1724692dee15a75d10d0386c50ff4cc872818120e
SHA1 hash: e032730333b0ca89e75f08f0f0612faa28fa9c97
MD5 hash: f6632c2683c2b93bf386575a03b0a881
humanhash: michigan-undress-winter-speaker
File name:f6632c2683c2b93bf386575a03b0a881
Download: download sample
Signature QuasarRAT
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File size:1'233'408 bytes
First seen:2022-07-23 16:41:57 UTC
Last seen:2022-07-23 17:37:35 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 24576:5DmwoGgzdBy7pumUpmyjFQEnlFRtuKJ1QZtq:5DLwBEuJYhStuw6t
TLSH T1584501AC7B64B2CFC817C4369EB45D14A678B47A9B1F4343E21B25E8AD2D9C78F014E1
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 70e0c8c4e4e01840 (2 x QuasarRAT)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
471
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/293715/
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
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/62dc2566ef2b0e63a835e354/reports/8b53e432-617e-48bb-aef9-00e227b89dd4/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/d03f4027-b405-469a-8669-db28021107c2
Result
Threat name:
Quasar
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1039809
Signature
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/52807927efca34144cfa56a3868a913858fa0fc74aeb0b370964688ec49f1312/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
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Status:
Malicious
First seen:
2022-07-23 12:50:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kkahsj7pzi2bith2k2ryncurhbmpud6hjlvqwnyjmrui5re7cmja._file
Verdict:
malicious
Gathering data
Unpacked files
SH256 hash:
53e6984c2b3696fe65c4ef6a287c65d27d9625107969aff1b50191479bebff3a
MD5 hash:
b8bf700815ae7ff95e090f776430888e
SHA1 hash:
25ae3ba8939de9872d0c5d2420d1e89dea1b9d6a
Link:
https://www.unpac.me/results/28a13389-96ee-4907-9fa8-c3010e66706c/
SH256 hash:
86ae929b784d5aa4f17d36588e0c45e8eae471c1f8618617ca456b7bbfbad847
MD5 hash:
9c3d07566fac5a29ab9e6da23aea62c7
SHA1 hash:
61cc813ce1df14ae953d61e77de722ecfb32daa4
Link:
https://www.unpac.me/results/28a13389-96ee-4907-9fa8-c3010e66706c/
SH256 hash:
7b88d1e7bc321e11c6edb72b7e7ec509240619e8cca512d681eccb2be120c13d
MD5 hash:
9ed571ab181d42faa351766724ff37b8
SHA1 hash:
964fbbe81dfdca09ae5a0d2ebb42b23c3b12c74e
Link:
https://www.unpac.me/results/28a13389-96ee-4907-9fa8-c3010e66706c/
SH256 hash:
52807927efca34144cfa56a3868a913858fa0fc74aeb0b370964688ec49f1312
MD5 hash:
f6632c2683c2b93bf386575a03b0a881
SHA1 hash:
e032730333b0ca89e75f08f0f0612faa28fa9c97
Link:
https://www.unpac.me/results/28a13389-96ee-4907-9fa8-c3010e66706c/
Malware family:
xRAT
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/52807927efca/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/52807927efca34144cfa56a3868a913858fa0fc74aeb0b370964688ec49f1312

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
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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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
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Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
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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
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
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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 52807927efca34144cfa56a3868a913858fa0fc74aeb0b370964688ec49f1312

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2260466/
Cape
Cape
https://www.capesandbox.com/analysis/293715/
  
URLhaus
https://urlhaus.abuse.ch/url/2260473/
  
URLhaus
https://urlhaus.abuse.ch/url/2260507/

Comments


Avatar
zbet commented on 2022-07-23 16:41:59 UTC

url : hxxp://www.tractorandinas.com/tojohnhfhdhsgh/knkxjbknjxbnvhncn.exe