MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7bfa1a2593f74120d8f9ad1cdae68a06f22c86fdcc58eb9ecb3471b500330867. 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 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7bfa1a2593f74120d8f9ad1cdae68a06f22c86fdcc58eb9ecb3471b500330867
SHA3-384 hash: aa7d2627fb19cadc53a0d82f114c61d60dc71f2f3b09e7637726a9ee00bbd3153afd6944ac60bec21e93817fc366315f
SHA1 hash: cad2d0b3d2e07df39e03ff2901f8211ab8431f51
MD5 hash: 9486fe80718f69b103e1166e32ca5621
humanhash: robin-cardinal-fillet-island
File name:9486fe80718f69b103e1166e32ca5621.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:612'864 bytes
First seen:2021-07-03 05:50:45 UTC
Last seen:2021-08-04 06:48:01 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 12288:murtfEIio0sysZKsyMq13IBgzbV9wgOReg32U:PniFeqZIBalg32U
TLSH 86D459909EEFCDCEC26F327FA04A0C8654DED3460797A2E59B464E34B3855239D621E3
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
91.109.190.12:5490

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
91.109.190.12:5490 https://threatfox.abuse.ch/ioc/157350/

Intelligence

File Origin
# of uploads :
4
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9486fe80718f69b103e1166e32ca5621.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-03 05:54:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/27f2bf78-a1b6-4c59-8ce6-8814a49fae2d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/169447/
Detection(s):
SecuriteInfo.com.Artemis9486FE80718F.14730.5491.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/51b4ccd3-455c-41b3-b69f-a6499f521c11
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/811326
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 443737 Sample: Y0Cc092A1t.exe Startdate: 03/07/2021 Architecture: WINDOWS Score: 100 76 societyf500.ddns.net 2->76 78 tools.keycdn.com 2->78 80 3 other IPs or domains 2->80 108 Multi AV Scanner detection for domain / URL 2->108 110 Found malware configuration 2->110 112 Malicious sample detected (through community Yara rule) 2->112 114 7 other signatures 2->114 10 NVA.exe 5 2->10         started        14 Y0Cc092A1t.exe 1 7 2->14         started        16 NVA.exe 2 2->16         started        signatures3 process4 file5 64 C:\Users\user\AppData\Local\Temp64VA.exe, PE32 10->64 dropped 66 C:\Users\user\...66VA.exe:Zone.Identifier, ASCII 10->66 dropped 130 Multi AV Scanner detection for dropped file 10->130 132 Machine Learning detection for dropped file 10->132 134 Writes to foreign memory regions 10->134 18 NVA.exe 10->18         started        22 NVA.exe 10->22         started        68 C:\Users\user\AppData\...\Y0Cc092A1t.exe, PE32 14->68 dropped 70 C:\Users\...\Y0Cc092A1t.exe:Zone.Identifier, ASCII 14->70 dropped 72 C:\Users\user\...72VA.exe:Zone.Identifier, ASCII 14->72 dropped 74 C:\Users\user\AppData\...\Y0Cc092A1t.exe.log, ASCII 14->74 dropped 136 Injects a PE file into a foreign processes 14->136 24 Y0Cc092A1t.exe 14->24         started        26 Y0Cc092A1t.exe 15 2 14->26         started        28 Y0Cc092A1t.exe 14->28         started        32 2 other processes 14->32 30 NVA.exe 16->30         started        signatures6 process7 dnsIp8 82 50.16.246.238, 443, 49737, 49741 AMAZON-AESUS United States 18->82 84 nagano-19599.herokussl.com 18->84 86 api.ipify.org 18->86 116 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->116 34 cmd.exe 18->34         started        118 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->118 120 Multi AV Scanner detection for dropped file 24->120 122 May check the online IP address of the machine 24->122 124 Machine Learning detection for dropped file 24->124 88 societyf500.ddns.net 91.109.190.12, 49725, 49735, 49738 IELOIELOMainNetworkFR France 26->88 90 tools.keycdn.com 185.172.148.96, 443, 49727, 49736 PROINITYPROINITYDE Germany 26->90 92 3 other IPs or domains 26->92 94 2 other IPs or domains 30->94 37 cmd.exe 30->37         started        signatures9 process10 signatures11 104 Uses ping.exe to sleep 34->104 106 Uses ping.exe to check the status of other devices and networks 34->106 39 NVA.exe 34->39         started        43 PING.EXE 34->43         started        46 conhost.exe 34->46         started        48 chcp.com 34->48         started        50 conhost.exe 37->50         started        52 chcp.com 37->52         started        54 PING.EXE 37->54         started        process12 dnsIp13 62 C:\Users\user\AppData\Local62VA.exe, PE32 39->62 dropped 126 Injects a PE file into a foreign processes 39->126 56 NVA.exe 39->56         started        60 NVA.exe 39->60         started        102 192.168.2.1 unknown unknown 43->102 file14 signatures15 process16 dnsIp17 96 societyf500.ddns.net 56->96 98 54.225.78.40, 443, 49746, 49760 AMAZON-AESUS United States 56->98 100 4 other IPs or domains 56->100 128 Hides that the sample has been downloaded from the Internet (zone.identifier) 56->128 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7bfa1a2593f74120d8f9ad1cdae68a06f22c86fdcc58eb9ecb3471b500330867/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-03 05:51:10 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pp5bujmt65asbwhzvuonvzuka3zczbx5zrmoxhwlgry3kabtbbtq._file
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04w persistence spyware trojan
Link:
https://tria.ge/reports/210703-mmmbt25ljj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
societyf500.ddns.net:5490
Unpacked files
SH256 hash:
8cf6a7b913e716f665a595c3ec239cc43eb818c820ca3255355a73e1c1777750
MD5 hash:
0e5c92b04a97ab7861bad2952bcd840d
SHA1 hash:
9f7fe55e488d2a2a3155b72a64d7aaf1606ee244
Link:
https://www.unpac.me/results/3cfeaa6f-710f-499a-9ff8-befc58f506cc/
SH256 hash:
f4c04b442725842c05350b8cfaf95c4841980b5d9c162e3e9393f4f2502b7940
MD5 hash:
bdebd7195ae0c57754700b85012fda34
SHA1 hash:
9e78e739ff287968a81cfb37511f984b4b9027a4
Link:
https://www.unpac.me/results/3cfeaa6f-710f-499a-9ff8-befc58f506cc/
SH256 hash:
d5056b913bb689570e38632aad6fd10abbe54c4efff94e2193feaf6b7b90bbd5
MD5 hash:
940140c7af8d30c51fc2085e7ce0aa70
SHA1 hash:
93e4b688175f48d8faeb0757585bb5bf3980b9d1
Link:
https://www.unpac.me/results/3cfeaa6f-710f-499a-9ff8-befc58f506cc/
SH256 hash:
7bfa1a2593f74120d8f9ad1cdae68a06f22c86fdcc58eb9ecb3471b500330867
MD5 hash:
9486fe80718f69b103e1166e32ca5621
SHA1 hash:
cad2d0b3d2e07df39e03ff2901f8211ab8431f51
Link:
https://www.unpac.me/results/3cfeaa6f-710f-499a-9ff8-befc58f506cc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7bfa1a2593f74120d8f9ad1cdae68a06f22c86fdcc58eb9ecb3471b500330867

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:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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:pe_imphash
Create hunting rule
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
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
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/

File information

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

Web download

QuasarRAT

Executable exe 7bfa1a2593f74120d8f9ad1cdae68a06f22c86fdcc58eb9ecb3471b500330867

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1392911/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/169447/

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