MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2cc06da4ded75a02683e73536f3a0af671b55bc28c9a2627d7afdaac66b9e32. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2cc06da4ded75a02683e73536f3a0af671b55bc28c9a2627d7afdaac66b9e32
SHA3-384 hash: 9460717200232486b99e4f04df63c517ba79632276438c284bddf1d1564c6c37fc979d10cb85f1e0486c1b0a7c58a576
SHA1 hash: d4bf2328f373a4c303a93d616f819b7158e25364
MD5 hash: 026c6ed9154e7cfa7329ef6d006f162a
humanhash: sweet-rugby-purple-fruit
File name:026c6ed9154e7cfa7329ef6d006f162a
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:818'248 bytes
First seen:2021-12-23 08:38:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:fRoeUz2RKfmnC18kfWO6TBVG6zrFDIefOnT:Z4918kfaBZFDI4OnT
Threatray 1'280 similar samples on MalwareBazaar
TLSH T1DB054CEEE7A35383F8355E36DB7217306131BED5A8D09DB512C8763C49342EEA60992C
File icon (PE):PE icon
dhash icon 31f0c0b2b2c0f071 (8 x Formbook, 7 x AgentTesla, 4 x AsyncRAT)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
026c6ed9154e7cfa7329ef6d006f162a
Verdict:
Suspicious activity
Analysis date:
2021-12-23 08:42:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fd693a98-0ea1-4b86-9196-ac4d71ea2bc6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/215911/
Detection(s):
Win.Dropper.Generic-7113183-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a service
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Creating a window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/61c435a84ab5c44cbf4dcbd2/reports/190b2a23-e06a-40bd-babf-cee33be21a0e/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8c79283a-da1e-4862-afb1-d99fde737f7a
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/911908
Signature
.NET source code contains potential unpacker
.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
Creates an undocumented autostart registry key
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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 submitted file
Sigma detected: Powershell Used To Disable Windows Defender AV Security Monitoring
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 544382 Sample: ok3MTqjZhx Startdate: 23/12/2021 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 10 other signatures 2->45 7 ok3MTqjZhx.exe 8 2->7         started        process3 file4 27 C:\Users\user\AppData\...\TeamViewer.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\...\ok3MTqjZhx.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 7->31 dropped 33 3 other malicious files 7->33 dropped 47 Creates an undocumented autostart registry key 7->47 11 ok3MTqjZhx.exe 15 4 7->11         started        15 ok3MTqjZhx.exe 7->15         started        17 powershell.exe 18 7->17         started        19 2 other processes 7->19 signatures5 process6 dnsIp7 35 jerenyankipong.duckdns.org 129.232.17.6, 4782 TELECOM-LESOTHOLS Lesotho 11->35 37 ip-api.com 208.95.112.1, 49795, 80 TUT-ASUS United States 11->37 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->49 51 Installs a global keyboard hook 11->51 53 Antivirus detection for dropped file 15->53 55 May check the online IP address of the machine 15->55 21 conhost.exe 17->21         started        23 AdvancedRun.exe 19->23         started        25 AdvancedRun.exe 19->25         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2cc06da4ded75a02683e73536f3a0af671b55bc28c9a2627d7afdaac66b9e32/
Threat name:
ByteCode-MSIL.Backdoor.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2021-12-23 08:39:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wlganwsn5v22ajud442tn45av5trwvn4fde2eyt5pl62vrtltyza._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
0294e192621b21d5c8f2288496930fe5e947fd66cdff1a119ca2f8bbdd8a537e
QuasarRAT
0eaa5bbea25ef06214bc21deab41eb7f5bdcdd4c24b0297a28607d30edf65ae1
QuasarRAT
189dfc7eca70dc08e242e9079d35198826b189f27e919aaf13c4482a763ae1a3
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2801e23864a2d65490e0ef7663d0d0e4292242f84d8368f0cdeefa868c375521
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99a6c8e156dba4fda6e2b6ca0802cc08d49556b489e97618e565768329521413
QuasarRAT
b31fb3832c2f366796fcc9165c60c58da5c866973377ab0d43f71586c461b8fb
QuasarRAT
d478602bac8b8f334f06644dd92fbe60cbba6815ced96503c7aab4df6f305e77
QuasarRAT
e690896d7f40d40a1cdbeb6348a72207af6cd5e150d036a729760e23ac575816
QuasarRAT
e73cf978acde72a0ec094a6fe4302cd7e369624fe183057d01a1c47fd878324f
QuasarRAT
fec56ffb3c5a61bffba235044da127eae17d9772dbd3817b8a5ce8cad0e93cb1
QuasarRAT
+ 1'270 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:u.n.i.a spyware trojan
Link:
https://tria.ge/reports/211223-kkanxahdb5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
Nirsoft
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
jerenyankipong.duckdns.org:4782
Unpacked files
SH256 hash:
2d7adca0e92fac7cc1910287714fb825190898294566216223c7eb1e1b943f87
MD5 hash:
b7987c85071e1894780fb4c9ca9461ee
SHA1 hash:
f8c7be2add5a2929e3f10298f5a8b8ca523df481
Link:
https://www.unpac.me/results/6e6d0b24-c88d-4efe-9ce6-440ec8015197/
SH256 hash:
b5bc187614242f4d2a392dfe93212730248e7754c299695168581f80e9dbd1d8
MD5 hash:
b34f3036334fb428c8984e19a43e91c7
SHA1 hash:
ac58e32bb108527f214eea907d49d2157910a5da
Link:
https://www.unpac.me/results/6e6d0b24-c88d-4efe-9ce6-440ec8015197/
SH256 hash:
3da80bd8e18bf2ef5e28f5e2e0d2095b0d4e65391800ce18f9a18859d7beb220
MD5 hash:
5dbed7594d4c8d71c1882692e6776bf0
SHA1 hash:
8552a2f2afca501945fe57c1875970b6f777f709
Link:
https://www.unpac.me/results/6e6d0b24-c88d-4efe-9ce6-440ec8015197/
SH256 hash:
8116e6aa25f6ae3e1ed75a1fa3c43ad5f1a8ef06d5a25ffa4bfc234207d63196
MD5 hash:
c797e6a91e571f86588afc17d7a4a806
SHA1 hash:
2f4eec7397457f17cd0b5792fce7330ca04b1a88
Link:
https://www.unpac.me/results/6e6d0b24-c88d-4efe-9ce6-440ec8015197/
SH256 hash:
b2cc06da4ded75a02683e73536f3a0af671b55bc28c9a2627d7afdaac66b9e32
MD5 hash:
026c6ed9154e7cfa7329ef6d006f162a
SHA1 hash:
d4bf2328f373a4c303a93d616f819b7158e25364
Link:
https://www.unpac.me/results/6e6d0b24-c88d-4efe-9ce6-440ec8015197/
Malware family:
Quasar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b2cc06da4ded/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/b2cc06da4ded75a02683e73536f3a0af671b55bc28c9a2627d7afdaac66b9e32

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

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

Web download

QuasarRAT

Executable exe b2cc06da4ded75a02683e73536f3a0af671b55bc28c9a2627d7afdaac66b9e32

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1913443/
Cape
Cape
https://www.capesandbox.com/analysis/215911/

Comments


Avatar
zbet commented on 2021-12-23 08:38:24 UTC

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