MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c310aca2959669fdb69fdec4c1336353d84b7ae9b8767a1086be3591b4af32f0. 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


DCRat


Vendor detections: 9


Intelligence 9 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c310aca2959669fdb69fdec4c1336353d84b7ae9b8767a1086be3591b4af32f0
SHA3-384 hash: 9bcd7cd685a4152b7828d6737fc60f36cdf5b2b44902f46e9b9e4d6cdfe44c2a45cdf761f8a01ea1fdfe6bbec4640249
SHA1 hash: bf1e6435222ce7a5cce1a77ec0153a776a27dc41
MD5 hash: dc474bd8579963cd63b40ec5e7bc2342
humanhash: florida-washington-one-finch
File name:dc474bd8579963cd63b40ec5e7bc2342
Download: download sample
Signature DCRat
Create hunting rule
File size:1'099'387 bytes
First seen:2021-07-06 18:02:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 12288:hRZ+IoG/n9IQxW3OBseuT9SbrqnOsRr7SNDBqG1ooEYGrhSvejXaDIX+nKJEaWTI:J2G/nvxW3Ws9kr+Os9mqGoWle5+nl6
TLSH 7F353C243EE9503AF17BAF7995E07596DB7EBA633703994E01A1038A0723B41DDD063B
Reporter zbetcheckin
Tags:32 exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dc474bd8579963cd63b40ec5e7bc2342
Verdict:
Malicious activity
Analysis date:
2021-07-06 18:06:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/29ef0ca3-feda-4d2f-b837-044205043c36

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/170063/
Detection(s):
Win.Packed.Uztuby-9853721-0
Create hunting rule

Win.Trojan.Uztuby-9855059-0
Create hunting rule

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

Win.Ransomware.Clinix-9868408-0
Create hunting rule

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

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

Win.Malware.Qshell-9875653-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d3a4d27b-805f-46bc-ba5c-5d8c04057cbd
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/812494
Signature
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Drops executable to a common third party application directory
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 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)
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
Sigma detected: WScript or CScript Dropper
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: 444905 Sample: Yl998AScon Startdate: 06/07/2021 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 6 other signatures 2->62 10 Yl998AScon.exe 3 11 2->10         started        process3 file4 50 C:\Users\user\AppData\...\RuntimeBroker.exe, PE32 10->50 dropped 52 C:\Users\user\AppData\Roaming\...\stnghNW.vbe, data 10->52 dropped 54 C:\Users\user\...\mhdd2cLTiGJitSSxBN.bat, ASCII 10->54 dropped 13 wscript.exe 1 10->13         started        process5 process6 15 cmd.exe 1 13->15         started        process7 17 RuntimeBroker.exe 9 13 15->17         started        21 conhost.exe 15->21         started        file8 44 C:\Windows\...\ShellExperienceHost.exe, PE32 17->44 dropped 46 C:\Windows\Microsoft.NET\...\UsoClient.exe, PE32 17->46 dropped 48 C:\...\backgroundTaskHost.exe, PE32 17->48 dropped 64 Multi AV Scanner detection for dropped file 17->64 66 Creates an undocumented autostart registry key 17->66 68 Machine Learning detection for dropped file 17->68 70 6 other signatures 17->70 23 cmd.exe 1 17->23         started        26 schtasks.exe 1 17->26         started        28 schtasks.exe 1 17->28         started        30 schtasks.exe 1 17->30         started        signatures9 process10 signatures11 72 Uses ping.exe to sleep 23->72 74 Uses ping.exe to check the status of other devices and networks 23->74 32 conhost.exe 23->32         started        34 PING.EXE 1 23->34         started        36 chcp.com 1 23->36         started        38 conhost.exe 26->38         started        40 conhost.exe 28->40         started        42 conhost.exe 30->42         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c310aca2959669fdb69fdec4c1336353d84b7ae9b8767a1086be3591b4af32f0/
Threat name:
ByteCode-MSIL.Backdoor.LightStone
Create hunting rule
Status:
Malicious
First seen:
2021-07-04 08:20:37 UTC
AV detection:
31 of 46 (67.39%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ymikziuvszu73nu733cmcm3dkpmew6xjxb3hueegxy2zdnfpglya._file
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat evasion infostealer persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/210706-ksza8r7azj/
Behaviour
Creates scheduled task(s)
Modifies registry class
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 System32 directory
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Windows security modification
Executes dropped EXE
DCRat Payload
Contains code to disable Windows Defender
DcRat
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Unpacked files
SH256 hash:
5974c922ec4bb5dc6db9a7e64c48c66224fcfa1cd6a26b9428a356054ce260ee
MD5 hash:
088e47e02ee751a8db1c290ceafe086a
SHA1 hash:
50be3b402bef1738c6dab958ef832b14f27ce569
Link:
https://www.unpac.me/results/7ccb9e4a-bf5d-4b0a-86f1-8d4d08db634a/
SH256 hash:
c310aca2959669fdb69fdec4c1336353d84b7ae9b8767a1086be3591b4af32f0
MD5 hash:
dc474bd8579963cd63b40ec5e7bc2342
SHA1 hash:
bf1e6435222ce7a5cce1a77ec0153a776a27dc41
Link:
https://www.unpac.me/results/7ccb9e4a-bf5d-4b0a-86f1-8d4d08db634a/
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/c310aca2959669fdb69fdec4c1336353d84b7ae9b8767a1086be3591b4af32f0

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_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
Create hunting rule
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:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
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: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

DCRat

Executable exe c310aca2959669fdb69fdec4c1336353d84b7ae9b8767a1086be3591b4af32f0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1431481/
Cape
Cape
https://www.capesandbox.com/analysis/170063/

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