MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2399e5acd8e6fec2e83de445cf83b598676f57fdfedd1f67a7872a5009866591. 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: 11


Intelligence 11 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2399e5acd8e6fec2e83de445cf83b598676f57fdfedd1f67a7872a5009866591
SHA3-384 hash: 3a1091da816e8c20eb6b329780520aca25ffe968b6cf5f66db89de9908548319228be087a0689c83b9b359f8cd8d70e5
SHA1 hash: 557fa8532f5340ee628df64cb9a199ef935f1dc5
MD5 hash: efeff4b4242776d6576b0fb18f35d52c
humanhash: washington-beryllium-wolfram-carolina
File name:jvHSccqW.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:46'080 bytes
First seen:2021-02-25 21:02:28 UTC
Last seen:2021-02-25 21:46:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:4uwHvTpY8oiWUUGyKmo2q8zKjGKG6PIyzjbFgX3ioP6mfoZXBDZyx:4uwHvTpTf23KYDy3bCXSQf4dyx
Threatray 738 similar samples on MalwareBazaar
TLSH 85232B003BE8822BF2BE4F78ADF26145457AF2A32603D5492CC452DB5713FC69A426FD
Reporter pmelson
Tags:AsyncRAT exe QuasarRAT

Intelligence

File Origin
# of uploads :
5
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
jvHSccqW.exe
Verdict:
Malicious activity
Analysis date:
2021-02-25 21:06:08 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/259f1a7c-6fbf-4f7a-90e2-868384fd6057

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/119290/
Detection(s):
Win.Packed.Samas-7998113-0
Create hunting rule

Win.Packed.Samas-8025724-0
Create hunting rule

Win.Packed.Razy-9625918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
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:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/619195
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2399e5acd8e6fec2e83de445cf83b598676f57fdfedd1f67a7872a5009866591/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2021-02-25 21:03:06 UTC
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eom6llgy437mf2b54rc47a5vtbtw6v7573or6z5hq4vfacmgmwiq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
381d4a53dc6d69491c703d2f35888b64a675c2b3de8f6572720828dd428a359b
QuasarRAT
44ea4b14ee643709c87800d407e19e45d9f6a1f3bea15c00de3afcfba2614e8a
QuasarRAT
4c6c1c0d7925af6c2891164d67743204132fcc8ea3cda471c005f446ea1cfda1
QuasarRAT
51ad568171d6a835bc1edd45cfe1fee659085dfc4522ac3d93c1458688d44bd5
QuasarRAT
6fb60c80bdc9cd558a384b468dc8b8467fb2e02764728e6a0ebc28ca865f31f6
QuasarRAT
810bbf258484b94bf2e51c7fba2f8a19f6aaf1137c982d2d6a97e600159c16fa
QuasarRAT
9990052a8a0d0a5eb3586f44e4f3a66a5d7748c9768d2efc470dd7034be6c1af
QuasarRAT
9cdcc531878d3a23d2da833a058efa100b91d212e4d5780cb21d5d36db0cbd01
QuasarRAT
b71d6728f8709dc2b8b6a57bbd0ea7d27e78a0ea16af5eff61b2d11f983e0129
QuasarRAT
b7f09be3bf95632ac3219b3d402a419e9bc40a54a3fc6ac1c57c183798e525fe
QuasarRAT
+ 728 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210225-5y9ac9p9l6/
Behaviour
Suspicious use of AdjustPrivilegeToken
AsyncRat
Malware Config
C2 Extraction:
newss.myq-see.com:1177
Unpacked files
SH256 hash:
2399e5acd8e6fec2e83de445cf83b598676f57fdfedd1f67a7872a5009866591
MD5 hash:
efeff4b4242776d6576b0fb18f35d52c
SHA1 hash:
557fa8532f5340ee628df64cb9a199ef935f1dc5
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/d95f7cfa-0b72-430e-9456-4ce3f185e7ce/
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:asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
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:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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: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:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
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:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
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.

Web download

QuasarRAT

Executable exe 2399e5acd8e6fec2e83de445cf83b598676f57fdfedd1f67a7872a5009866591

(this sample)

  
Link
https://www.virustotal.com/gui/file/2399e5acd8e6fec2e83de445cf83b598676f57fdfedd1f67a7872a5009866591/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/119290/

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