MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7278565b52856072e2ce87c0234478f922a05eeaaf76d1e5b428005b8b83f2bd. 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: 14


Intelligence 14 IOCs 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7278565b52856072e2ce87c0234478f922a05eeaaf76d1e5b428005b8b83f2bd
SHA3-384 hash: b394e0998e166ecbbfcf4b110241f330a42189437173e011a6d3e734ceb65274a39234bcee3b49c6fff763c010db3c05
SHA1 hash: 726e65120a8b653fe7a97ca92bc704193863795e
MD5 hash: 6133fb4c459999e23d653e28ccb5361f
humanhash: seven-mississippi-tennessee-magnesium
File name:726e65120a8b653fe7a97ca92bc704193863795e.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:514'048 bytes
First seen:2021-11-22 22:11:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:4TEgdfYWbgzAtVyo4NywqsphqrILj7cdU:tUwdJDywqspWQcdU
Threatray 172 similar samples on MalwareBazaar
TLSH T10FB45B8123FC851BE1AE57BDE8B14421ABF4F407A6A7EB4F4940A1E93C567429D807F3
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
98.238.116.145:30815

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
98.238.116.145:30815 https://threatfox.abuse.ch/ioc/253364/

Intelligence

File Origin
# of uploads :
1
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
726e65120a8b653fe7a97ca92bc704193863795e.exe
Verdict:
Malicious activity
Analysis date:
2021-11-22 22:15:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5ae8b2dc-6a39-47fb-addc-c3181eb64eb7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
Win.Packed.Passwordstealera-9792228-0
Create hunting rule

Win.Malware.Generic-9883082-0
Create hunting rule

Win.Malware.Generic-9883083-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
DNS request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm greyware keylogger obfuscated packed quasar quasarrat rat stealer
Link:
https://www.filescan.io/uploads/619c15b6398e2553d201485d/reports/094d7d76-6bec-4f95-8481-29c18dc097d5/overview
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/b883b7f5-1ca3-4971-bf10-f1c298fd0163
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/894233
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 signatures2 2 Behavior Graph ID: 526710 Sample: XtKSonXfio.exe Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 6 other signatures 2->48 8 XtKSonXfio.exe 5 2->8         started        12 XtKSonXfio.exe 2 2->12         started        process3 file4 36 C:\Users\user\AppData\Roaming\...\Discord.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\...\XtKSonXfio.exe.log, ASCII 8->38 dropped 50 Uses schtasks.exe or at.exe to add and modify task schedules 8->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->52 14 Discord.exe 2 8->14         started        17 schtasks.exe 1 8->17         started        19 Discord.exe 2 12->19         started        22 schtasks.exe 1 12->22         started        signatures5 process6 dnsIp7 54 Antivirus detection for dropped file 14->54 56 Multi AV Scanner detection for dropped file 14->56 58 Machine Learning detection for dropped file 14->58 24 schtasks.exe 1 14->24         started        26 conhost.exe 17->26         started        40 98.238.116.145, 30815, 49781, 49784 COMCAST-7922US United States 19->40 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->60 28 schtasks.exe 1 19->28         started        30 conhost.exe 22->30         started        signatures8 process9 process10 32 conhost.exe 24->32         started        34 conhost.exe 28->34         started       
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7278565b52856072e2ce87c0234478f922a05eeaaf76d1e5b428005b8b83f2bd/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2021-11-12 15:14:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oj4fmw2sqvqhfywoq7acgrdy7erkaxxkv53ndznufaafxc4d6k6q._file
Verdict:
malicious
Similar samples:
06b4062db19ac0017c3f0e32f27559a48aa9c7305f110c3b8485d5faa62d6814
QuasarRAT
1230b290a583361b44a14b0ebf16925f07d7d6ed0d58ecae0bdd2419903d27b0
QuasarRAT
2c5d00f71931d80367ccae6bdd752ec56ab7647cc5312a0c7ddd24308ff9cc8e
QuasarRAT
3bdfd4cd7aacdefa4ab159a25b056056fd011b9ad60fc2166adbb41c5610b044
QuasarRAT
5a06fc050c72cc1155f996e5ce2528f0a35d02339e3f507721bb41682730f95b
QuasarRAT
85e13a72f67635d8590b1952332a37371f5f06400cedd60cd8c85415a051c031
QuasarRAT
a33be1069f51683e3ef5290bedad88f032df7b67fde8955bf2ad72b2f8d5e647
QuasarRAT
ac3541b6d4bf8c6378303f254ba10e0b7c628130345ee8c13e4801cee1770dc5
QuasarRAT
bb3fd1491065821de7cb1cd7cc282aafedc75119605c22ae6627477ffcba303b
QuasarRAT
d87630e6b220ba0ef5f93352c406ad4268445fc8f174e152131e1251d0a3d541
QuasarRAT
+ 162 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:sdfsfdsf spyware trojan
Link:
https://tria.ge/reports/211122-14hrmaghem/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Executes dropped EXE
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
98.238.116.145:30815
Unpacked files
SH256 hash:
7278565b52856072e2ce87c0234478f922a05eeaaf76d1e5b428005b8b83f2bd
MD5 hash:
6133fb4c459999e23d653e28ccb5361f
SHA1 hash:
726e65120a8b653fe7a97ca92bc704193863795e
Link:
https://www.unpac.me/results/c9a2bad0-1a58-4eec-a080-2b676ccb91b2/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7278565b5285/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/7278565b52856072e2ce87c0234478f922a05eeaaf76d1e5b428005b8b83f2bd

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: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_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
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
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/208451/

Comments