MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c. 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: 16


Intelligence 16 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c
SHA3-384 hash: 59db0e75853195c9ed85e6cc5950210e86b34a16847a9333ef46175ee5180137de619adac91cfc828bfd06ab128131a6
SHA1 hash: d324b81280858542ca961f1cefb09c08a0e8efa0
MD5 hash: edba3df77e77c06c623794dd1a3bcbcb
humanhash: ack-island-lake-happy
File name:xnNcI6OenKJs.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:356'352 bytes
First seen:2024-04-19 19:49:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 6144:4vNHXf500MfpMBd6x3hhsblmszxMydC9VK6GLu79O:Kd50bI6x374mszxPk9VKduxO
Threatray 518 similar samples on MalwareBazaar
TLSH T1C9747C1373A8E53BD1BE173AE4320A155BF1D447BB16E38B6A6854BD6C123868D807F3
TrID 37.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
29.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
8.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
6.7% (.SCR) Windows screen saver (13097/50/3)
5.3% (.EXE) Win64 Executable (generic) (10523/12/4)
Reporter pmelson
Tags:exe QuasarRAT VoidRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
368
Origin country :
US US
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c.exe
Verdict:
Malicious activity
Analysis date:
2024-04-19 19:50:51 UTC
Tags:
rat quasar evasion remote
Link:
https://app.any.run/tasks/5c46219e-cca8-48e8-86f4-9962910bf2ca

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Sending a custom TCP request
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm crypto fingerprint hook infostealer keylogger lolbin lolbin quasar quasarrat rat schtasks shell32 stealer stealer vermin xrat
Link:
https://www.filescan.io/uploads/6622caed75339da04f97acd7/reports/0fb96189-86ce-4c5b-af44-bbc5714ac729/overview
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a7cdc412-2532-4258-aa27-f732a7c4e49d
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1428945
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected Quasar RAT
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2024-04-15 23:52:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lma75p7k2s4j2bxkpewit7w7ozlsr446ctcygnnqyfz3jbm4tjwa._file
Verdict:
malicious
Similar samples:
498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964
QuasarRAT
5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c
QuasarRAT
7c68eaea44f486a4781fc20063c44c266b1cd49754a2edd631e8dc880e8423ed
QuasarRAT
ba919450c172866f0582820ec65e1a45d9bffdd2984032155d11999280e77e15
QuasarRAT
d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b
QuasarRAT
+ 508 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:proxy spyware trojan
Link:
https://tria.ge/reports/240419-yj8q7sef2y/
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
ppprosyl.con-ip.com:4001
Unpacked files
SH256 hash:
5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c
MD5 hash:
edba3df77e77c06c623794dd1a3bcbcb
SHA1 hash:
d324b81280858542ca961f1cefb09c08a0e8efa0
Detections:
QuasarRAT
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
CN_disclosed_20180208_KeyLogger_1
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Quasar_RAT_2
Create hunting rule
Quasar
Create hunting rule
Vermin_Keylogger_Jan18_1
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
MALWARE_Win_QuasarRAT
Create hunting rule
INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Quasar_RAT_1
Create hunting rule
xRAT_1
Create hunting rule
win_quasarrat_j1
Create hunting rule
Link:
https://www.unpac.me/results/0160924c-14c9-4695-84b7-16a5fdf189f9/
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:CN_disclosed_20180208_KeyLogger_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
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_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 artifacts 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 (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Quasar_RAT_1
Create hunting rule
Author:@SOCRadar
Description:Detects Quasar RAT
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
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
Description:Detects Quasar RAT
Rule name:Quasar_RAT_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
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 (Nextron Systems)
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:win_quasar_rat_client
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
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 5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c

(this sample)

  
Link
https://www.virustotal.com/gui/file/5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c/detection
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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