MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4eb7837b370c8f3cacc740cbe69bc00ed2622b9572cffb12a2d1420d5ddc77b7. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments
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SHA256 hash: 4eb7837b370c8f3cacc740cbe69bc00ed2622b9572cffb12a2d1420d5ddc77b7
SHA3-384 hash: 0cd1d837f1e175b683da195fe9feb46261ae22a8aad2f2214c86c9bb6aaabe4e63da71d05ab273210b5e37adcb320239
SHA1 hash: f23ee542e89375d9cf04fff760f45a7950121641
MD5 hash: 8c900009cde9d86328cbdb3b6e89c116
humanhash: michigan-georgia-harry-louisiana
File name:ORDER-PURCHASE.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:356'352 bytes
First seen:2020-10-04 08:08:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'789 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 6144:1mbqQ4i1FFiEK0Wh/G5abzgDTlcQqgXHfznC0koy:iplivRG59Fc3gXHfrNkoy
Threatray 89 similar samples on MalwareBazaar
TLSH CC748D5377A4E53BD1FE1B3AE43606058BB0D843BA1AE3CB5A5855BA3C133868D503B7
Reporter JAMESWT_WT
Tags:payload Quasar QuasarRAT RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
Win.Trojan.Generic-6295765-0
Create hunting rule

Win.Malware.Generic-6623004-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
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 file
Setting a keyboard event handler
Creating a window
Unauthorized injection to a recently created process
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/480854
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 292866 Sample: ORDER-PURCHASE.exe Startdate: 04/10/2020 Architecture: WINDOWS Score: 100 36 disyear.speedfastmaking.com 2->36 50 Multi AV Scanner detection for domain / URL 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 7 other signatures 2->56 9 ORDER-PURCHASE.exe 15 5 2->9         started        14 ORDER-PURCHASE.exe 2 2->14         started        signatures3 process4 dnsIp5 38 ip-api.com 208.95.112.1, 49739, 49743, 80 TUT-ASUS United States 9->38 40 192.168.2.1 unknown unknown 9->40 28 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 9->28 dropped 30 C:\Users\user\...\ORDER-PURCHASE.exe.log, ASCII 9->30 dropped 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->58 16 Client.exe 14 4 9->16         started        20 schtasks.exe 1 9->20         started        file6 signatures7 process8 dnsIp9 32 disyear.speedfastmaking.com 79.134.225.115, 23433, 49744, 49745 FINK-TELECOM-SERVICESCH Switzerland 16->32 34 ip-api.com 16->34 42 Antivirus detection for dropped file 16->42 44 Multi AV Scanner detection for dropped file 16->44 46 Machine Learning detection for dropped file 16->46 48 2 other signatures 16->48 22 schtasks.exe 1 16->22         started        24 conhost.exe 20->24         started        signatures10 process11 process12 26 conhost.exe 22->26         started       
Detection:
quasarrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4eb7837b370c8f3cacc740cbe69bc00ed2622b9572cffb12a2d1420d5ddc77b7/
Threat name:
ByteCode-MSIL.Backdoor.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2020-10-04 08:03:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j23yg6zxbshtzlghidf6ng6ab3jgek4volh7wevc2fba2xo4o63q._file
Verdict:
malicious
Similar samples:
025432a99764f95f01790ed77271c9f52c44bd6f08763d4ea77b81afbcad6485
QuasarRAT
06749098537b1e1e031e5d568e5e6d3f0bd89ca921953909b42c271b0a3fe5f0
QuasarRAT
0eaa5bbea25ef06214bc21deab41eb7f5bdcdd4c24b0297a28607d30edf65ae1
QuasarRAT
17a3a230d310ff684cf08306fe34d13c9505ac612942875a19c98b5d000119b0
QuasarRAT
2ea29fa9ad61f55762d2d1d3ce608c3fdfe4007802514042552293ce86af0454
QuasarRAT
759650986713eaf7fe5021ead7a0994f33767c14b6a7caf1079379b087df21fe
QuasarRAT
9dfc0d127c1129cd943b1c6ea494a01b40b6b29656db9a44f3dc3231db127a0e
QuasarRAT
d478602bac8b8f334f06644dd92fbe60cbba6815ced96503c7aab4df6f305e77
QuasarRAT
e73cf978acde72a0ec094a6fe4302cd7e369624fe183057d01a1c47fd878324f
QuasarRAT
fec56ffb3c5a61bffba235044da127eae17d9772dbd3817b8a5ce8cad0e93cb1
QuasarRAT
+ 79 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
trojan spyware family:quasar
Link:
https://tria.ge/reports/201004-22msqj2s2n/
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
Loads dropped DLL
Executes dropped EXE
Quasar RAT
Unpacked files
SH256 hash:
4eb7837b370c8f3cacc740cbe69bc00ed2622b9572cffb12a2d1420d5ddc77b7
MD5 hash:
8c900009cde9d86328cbdb3b6e89c116
SHA1 hash:
f23ee542e89375d9cf04fff760f45a7950121641
Link:
https://www.unpac.me/results/f4d22442-06c5-4f1b-bd35-7391760ae6c1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Quasar
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4eb7837b370c8f3cacc740cbe69bc00ed2622b9572cffb12a2d1420d5ddc77b7

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: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:MSILStealer
Create hunting rule
Author:https://github.com/hwvs
Description:Detects strings from C#/VB Stealers and QuasarRat
Reference:https://github.com/quasar/QuasarRAT
Rule name:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
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_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: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:xRAT_1
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.

Cape
Cape
https://www.capesandbox.com/analysis/67959/

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