MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52c0ab85a8a632f6caed9798e18fc7d1c2563f0d1d226261c18a62eed44955b2. 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: 8


Intelligence 8 IOCs YARA 15 File information Comments
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SHA256 hash: 52c0ab85a8a632f6caed9798e18fc7d1c2563f0d1d226261c18a62eed44955b2
SHA3-384 hash: 4e0b7d9307f089977a85488b2ab673d855b3b72dbc164a4da6c3400b7c871a3b9982e3a290068bdd29c76e8506c972e0
SHA1 hash: f2ba755f0136e47c9baa04e318dd72d9270a4211
MD5 hash: b2757995363d7a89c62dc90cdc384e64
humanhash: lamp-friend-nevada-rugby
File name:b2757995363d7a89c62dc90cdc384e64
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:878'592 bytes
First seen:2021-06-24 00:06:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:LdyBniU9o8RcX73s7tPHkPK1PoT1ylNBpZeiFZ9a4ziwbug2WRNCE5rGtK3:8niUn48tPHkPK1PkylNvfFZRc83lGt8
Threatray 1 similar samples on MalwareBazaar
TLSH CC159D243BE95529F1F3EB3CA9F866A69D3EFA52B637C64E006543490E13741CE80739
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b2757995363d7a89c62dc90cdc384e64
Verdict:
Malicious activity
Analysis date:
2021-06-24 00:10:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fbf0bc32-fb57-48f1-9419-311ffbd47cf1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Uztuby-9853721-0
Create hunting rule

Win.Packed.Uztuby-9864800-0
Create hunting rule

Win.Packed.Uztuby-9869253-0
Create hunting rule

Win.Packed.CoinMiner-9870654-1
Create hunting rule

Win.Packed.Uztuby-9873584-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
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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:
Dark Crystal RAT
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/001c01fd-a991-4b64-b547-77880218e264
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/806968
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Detected VMProtect packer
Drops executables to the windows directory (C:\Windows) and starts them
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 submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 439378 Sample: 5lvsAq3xUW Startdate: 24/06/2021 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 8 other signatures 2->63 7 5lvsAq3xUW.exe 14 28 2->7         started        11 WmiPrvSE.exe 3 2->11         started        14 RuntimeBroker.exe 2->14         started        16 14 other processes 2->16 process3 dnsIp4 45 C:\Windows\System32\wbem\...\WmiPrvSE.exe, PE32 7->45 dropped 47 C:\Users\Default\AppData\...\LCpbXYZfhdL.exe, PE32 7->47 dropped 49 C:\Program Files\...\conhost.exe, PE32 7->49 dropped 51 13 other malicious files 7->51 dropped 69 Creates an undocumented autostart registry key 7->69 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->71 73 Creates multiple autostart registry keys 7->73 75 4 other signatures 7->75 18 cmd.exe 7->18         started        21 schtasks.exe 1 7->21         started        23 schtasks.exe 1 7->23         started        25 5 other processes 7->25 53 192.168.2.1 unknown unknown 11->53 55 62.109.23.37, 80 THEFIRST-ASRU Russian Federation 16->55 file5 signatures6 process7 signatures8 65 Uses ping.exe to sleep 18->65 67 Uses ping.exe to check the status of other devices and networks 18->67 27 conhost.exe 18->27         started        29 chcp.com 18->29         started        41 2 other processes 18->41 31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        35 conhost.exe 25->35         started        37 conhost.exe 25->37         started        39 conhost.exe 25->39         started        43 2 other processes 25->43 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/52c0ab85a8a632f6caed9798e18fc7d1c2563f0d1d226261c18a62eed44955b2/
Threat name:
ByteCode-MSIL.Trojan.Tasker
Create hunting rule
Status:
Malicious
First seen:
2021-06-24 00:07:15 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=klakxbniuyzpnsxns6modd6h2hbfmpyndurgeyobrjro5vcjkwza._file
Verdict:
unknown
Similar samples:
4daba398d1d338f7eb29eef55e1afa4595dde813b27b33dcfb48ceff27e7e8b0
QuasarRAT
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer vmprotect
Link:
https://tria.ge/reports/210624-aj9n5hncps/
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of web browsers
Executes dropped EXE
VMProtect packed file
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
52c0ab85a8a632f6caed9798e18fc7d1c2563f0d1d226261c18a62eed44955b2
MD5 hash:
b2757995363d7a89c62dc90cdc384e64
SHA1 hash:
f2ba755f0136e47c9baa04e318dd72d9270a4211
Link:
https://www.unpac.me/results/4e770492-0b11-42be-93ba-b07fcca9aa24/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/52c0ab85a8a632f6caed9798e18fc7d1c2563f0d1d226261c18a62eed44955b2

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:Glasses
Create hunting rule
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Create hunting rule
Author:Seth Hardy
Description:Glasses code features
Rule name:INDICATOR_EXE_Packed_VMProtect
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with VMProtect.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:Keylog_bin_mem
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Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
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:Stealer_word_in_memory
Create hunting rule
Author:James_inthe_box
Description:The actual word stealer in memory
Rule name:Steam_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Steam in files like avemaria
Rule name:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:Telegram_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Telegram in files like avemaria

File information

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

Web download

QuasarRAT

Executable exe 52c0ab85a8a632f6caed9798e18fc7d1c2563f0d1d226261c18a62eed44955b2

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1393000/

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