MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5daabcee417a3138938c563a3bb420cf9817cac24ec380b7fbe00614aaa8e9a. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e5daabcee417a3138938c563a3bb420cf9817cac24ec380b7fbe00614aaa8e9a
SHA3-384 hash: bf44fe3860129ac921877311ece6e38d309554d3e017445e5b6eb859bfd255a70b59ebbf0a7b916665227ea32d211e94
SHA1 hash: 7959dff5afdae4382a301dfa7ed10ac891369b0d
MD5 hash: f7c54a5c6882bea791bad5bbbbac3274
humanhash: bluebird-failed-georgia-glucose
File name:f7c54a5c6882bea791bad5bbbbac3274.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:673'280 bytes
First seen:2021-08-05 15:20:47 UTC
Last seen:2021-08-05 16:25:15 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:+pkB3o30fIc8/COiCw0UNtZHX8SVL0j2U:bo8IPriYUB3lVwj2U
Threatray 107 similar samples on MalwareBazaar
TLSH T1D6E459908EEFCEDEC2AF623FA41A0C8354DEC306075792D18B565E75B3912639C661E3
dhash icon 0cd2c1c4d0c1f20c (18 x AsyncRAT, 9 x QuasarRAT, 8 x RedLineStealer)
Reporter abuse_ch
Tags:exe QuasarRAT RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f7c54a5c6882bea791bad5bbbbac3274.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-05 15:29:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cfe1f903-1045-4f52-910f-82c8ce784621

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/176717/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37350711.21569.3727.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Sending a custom TCP request
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6698a688-5e82-4c96-aa28-5a18c5310090
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/827502
Signature
.NET source code contains potential unpacker
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 459930 Sample: ySlaQadExa.exe Startdate: 05/08/2021 Architecture: WINDOWS Score: 100 35 societyf500.ddns.net 2->35 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected Quasar RAT 2->49 51 3 other signatures 2->51 7 ySlaQadExa.exe 1 7 2->7         started        11 NVA.exe 5 2->11         started        13 NVA.exe 2 2->13         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\ySlaQadExa.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local25VA.exe, PE32 7->25 dropped 27 C:\Users\...\ySlaQadExa.exe:Zone.Identifier, ASCII 7->27 dropped 33 2 other malicious files 7->33 dropped 53 Writes to foreign memory regions 7->53 55 Injects a PE file into a foreign processes 7->55 15 ySlaQadExa.exe 2 7->15         started        29 C:\Users\user\AppData\Local\Temp29VA.exe, PE32 11->29 dropped 31 C:\Users\user\...31VA.exe:Zone.Identifier, ASCII 11->31 dropped 57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 19 NVA.exe 2 11->19         started        21 NVA.exe 2 13->21         started        signatures6 process7 dnsIp8 37 societyf500.ddns.net 91.109.180.3, 49719, 49720, 49725 IELOIELOMainNetworkFR France 15->37 39 Multi AV Scanner detection for dropped file 15->39 41 Machine Learning detection for dropped file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e5daabcee417a3138938c563a3bb420cf9817cac24ec380b7fbe00614aaa8e9a/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2021-08-05 15:21:10 UTC
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4xnkxtxec6rrhcjyyvr2ho2cbt4yc7fmetwdqc37xyagcsvkr2na._file
Verdict:
malicious
Similar samples:
004aa2f93dd0c4293f79b00218ff5c85fb99d15d5d6f13bdf6264011bf38dad5
QuasarRAT
1b7d7515f98891cf08164a7469bb9c9f3133e7834cfe99d55094594ca330e982
QuasarRAT
412b77a6a5c1b510f076d010e81749e9a13ebc9b33125d5caa764e78180a28a4
QuasarRAT
5c627ab23daa708e73eae534919c3f6494331df0dca30ab67047e0ec65182495
QuasarRAT
6aa2fe6952b62b82e1dfba07382351d3d29ba21838d7cc7ddaf131aa9ee445d0
QuasarRAT
92e66be0b7c24b96cfa89154c5ddf622ef8cfdf189fd7653c794ec03635f731c
QuasarRAT
a484efc646ba0e97435959b7f4e87cf9a716d69623b13bc490a41e140dd296b7
QuasarRAT
c0eee6869cb1d1b6c8309151b45795b8866f7171b365dc29f7610cf385264239
QuasarRAT
db7466bbf831febaf1b2e31c8bb3ddad1be83792f30392ef2c43394545ec9d81
QuasarRAT
+ 97 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04w persistence spyware trojan
Link:
https://tria.ge/reports/210805-jyyhpb17te/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
societyf500.ddns.net:5490
Unpacked files
SH256 hash:
651a98132b01eedbe863a27595510b260bef9440e5cfc4fe31a15df7985535a3
MD5 hash:
eec2fd4cc8d5c487cf796e4f1f691471
SHA1 hash:
ece151dc345150c4afa001be53c6cab37ae0f156
Link:
https://www.unpac.me/results/bbe6d4a4-ea33-4243-a50b-d7547b2ae4a7/
SH256 hash:
8cf6a7b913e716f665a595c3ec239cc43eb818c820ca3255355a73e1c1777750
MD5 hash:
0e5c92b04a97ab7861bad2952bcd840d
SHA1 hash:
9f7fe55e488d2a2a3155b72a64d7aaf1606ee244
Link:
https://www.unpac.me/results/bbe6d4a4-ea33-4243-a50b-d7547b2ae4a7/
SH256 hash:
ef97095f86ce47d1e6cc03e9a2f1efba9eb7d19f64adc6d52f24e5e5b35a2387
MD5 hash:
3861bf3d0ba10b08009aedc7d615bcf1
SHA1 hash:
65539eef4d7172dabfff82b79fef7bdbacb9ac5d
Link:
https://www.unpac.me/results/bbe6d4a4-ea33-4243-a50b-d7547b2ae4a7/
SH256 hash:
e5daabcee417a3138938c563a3bb420cf9817cac24ec380b7fbe00614aaa8e9a
MD5 hash:
f7c54a5c6882bea791bad5bbbbac3274
SHA1 hash:
7959dff5afdae4382a301dfa7ed10ac891369b0d
Link:
https://www.unpac.me/results/bbe6d4a4-ea33-4243-a50b-d7547b2ae4a7/
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/e5daabcee417a3138938c563a3bb420cf9817cac24ec380b7fbe00614aaa8e9a

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_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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:pe_imphash
Create hunting rule
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 e5daabcee417a3138938c563a3bb420cf9817cac24ec380b7fbe00614aaa8e9a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1392911/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/176717/

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