MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f94934b7aa314b6b2ca25bfd06090f70e37eb99af3a84cd9c02b222d9fbcbe7a. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f94934b7aa314b6b2ca25bfd06090f70e37eb99af3a84cd9c02b222d9fbcbe7a
SHA3-384 hash: 0c36d9a9fa49ee3332b90fe6929924df152f9383c06856e9a895b0a7b18e8ca18e2df4714f1b828352008eb1d8cb2488
SHA1 hash: c15cd46829ca32b09f99a9c7a42eeab05ec67f8a
MD5 hash: 7197c7f05381822282777caa2866650d
humanhash: mexico-hamper-kentucky-alaska
File name:f94934b7aa314b6b2ca25bfd06090f70e37eb99af3a84cd9c02b222d9fbcbe7a
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'911'744 bytes
First seen:2020-11-13 15:49:38 UTC
Last seen:2024-07-24 23:15:12 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 49152:/1CI1KxZsWw8JX3XlQNhcFUW+SVaWYWUWFWLrOyRdG9za32ehyfTEBDm:/1p1KxZsWwonlHFUW+SVaWYWUWFWLr9Y
Threatray 1 similar samples on MalwareBazaar
TLSH 58D57C1527F84E2BE56EEBB2E5B1102757F0F42AF3A3EB4B218162780C53B515D412BB
Reporter seifreed
Tags:QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Packed.Downeks-6898097-0
Create hunting rule

Win.Packed.Passwordstealera-9792228-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a file
Launching a process
Unauthorized injection to a recently created process
Delayed writing of the file
Sending a UDP request
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:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/536521
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 317360 Sample: SfsYluBZi8 Startdate: 15/11/2020 Architecture: WINDOWS Score: 84 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus / Scanner detection for submitted sample 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 4 other signatures 2->77 14 SfsYluBZi8.exe 5 2->14         started        process3 file4 65 C:\Users\user\AppData\...\SfsYluBZi8.exe.log, ASCII 14->65 dropped 17 cmd.exe 1 14->17         started        process5 signatures6 69 Uses ping.exe to sleep 17->69 20 SfsYluBZi8.exe 4 17->20         started        22 conhost.exe 17->22         started        24 PING.EXE 1 17->24         started        26 chcp.com 1 17->26         started        process7 process8 28 cmd.exe 1 20->28         started        signatures9 83 Uses ping.exe to sleep 28->83 31 SfsYluBZi8.exe 4 28->31         started        33 conhost.exe 28->33         started        35 PING.EXE 1 28->35         started        37 chcp.com 1 28->37         started        process10 process11 39 cmd.exe 1 31->39         started        signatures12 81 Uses ping.exe to sleep 39->81 42 SfsYluBZi8.exe 4 39->42         started        44 conhost.exe 39->44         started        46 PING.EXE 1 39->46         started        48 chcp.com 1 39->48         started        process13 process14 50 cmd.exe 1 42->50         started        signatures15 79 Uses ping.exe to sleep 50->79 53 SfsYluBZi8.exe 4 50->53         started        55 PING.EXE 1 50->55         started        58 conhost.exe 50->58         started        60 chcp.com 1 50->60         started        process16 dnsIp17 62 cmd.exe 53->62         started        67 192.168.2.1 unknown unknown 55->67 process18 signatures19 85 Uses ping.exe to sleep 62->85
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f94934b7aa314b6b2ca25bfd06090f70e37eb99af3a84cd9c02b222d9fbcbe7a/
Threat name:
ByteCode-MSIL.Trojan.Perseus
Create hunting rule
Status:
Malicious
First seen:
2020-11-13 15:57:50 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7fetjn5kgffwwlfclp6qmcipodrx5om26ouezwoafmrc3h54xz5a._file
Verdict:
unknown
Similar samples:
1d0e8150809cb78fb1cf2cad89dc63b884ef4459e93ce4fbb4676ff705bb2679
QuasarRAT
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://tria.ge/reports/201113-zw3p4vzdv2/
Behaviour
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
f94934b7aa314b6b2ca25bfd06090f70e37eb99af3a84cd9c02b222d9fbcbe7a
MD5 hash:
7197c7f05381822282777caa2866650d
SHA1 hash:
c15cd46829ca32b09f99a9c7a42eeab05ec67f8a
Link:
https://www.unpac.me/results/97e05a0b-13a7-42c4-aab3-9a43e9b6d1ad/
SH256 hash:
f103a533aad99f35304284b15451bffe0ccdeaac6d2bdfa56f7c162f2d9bd7c5
MD5 hash:
11112afe68bcab4991f645c7efa3fed1
SHA1 hash:
4ee01db8b5fdc25e79dd45a0deab0af431d0ea26
Link:
https://www.unpac.me/results/97e05a0b-13a7-42c4-aab3-9a43e9b6d1ad/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Downeks
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f94934b7aa314b6b2ca25bfd06090f70e37eb99af3a84cd9c02b222d9fbcbe7a

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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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