MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5e38021db395b1101905f0ad3e548d3a7af3c4ca55c021953f062494ea8960e. 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: 14


Intelligence 14 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5e38021db395b1101905f0ad3e548d3a7af3c4ca55c021953f062494ea8960e
SHA3-384 hash: 91f6798dfcb0cc06a4933bce5a388e82fd251ee6714a89cfb1d6197e79b16377ad9f9de9f23e475c3315de876698da91
SHA1 hash: 6d0e2b6bd3af9218305b73b290f9da30b75f0ec1
MD5 hash: dd4b4495cb32a7bc52082c86d42e347f
humanhash: hotel-jersey-nevada-winner
File name:B5E38021DB395B1101905F0AD3E548D3A7AF3C4CA55C0.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'331'200 bytes
First seen:2022-04-10 23:21:30 UTC
Last seen:2022-04-10 23:35:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 113 x njrat, 80 x RedLineStealer)
ssdeep 24576:eMamzIazrSrdwFtwqnOFE0Jxak2oAVrM1s7Cgl+/CBBg1:1a+gCtwqn9C4kM61s7iyBg1
Threatray 373 similar samples on MalwareBazaar
TLSH T1035533155AF6BD46EB81A9FF897906F1B5632EB531D64D8F09B4000173EC98AC93CF22
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://play-varryal.online/Authprivate.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://play-varryal.online/Authprivate.php https://threatfox.abuse.ch/ioc/518499/

Intelligence

File Origin
# of uploads :
2
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
B5E38021DB395B1101905F0AD3E548D3A7AF3C4CA55C0.exe
Verdict:
Malicious activity
Analysis date:
2022-04-10 23:23:11 UTC
Tags:
trojan rat backdoor dcrat evasion stealer
Link:
https://app.any.run/tasks/1b1e778e-70e7-4c46-bf80-47a44e99738e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/262452/
Detection(s):
PUA.Win.Packer.EnigmaProtector-19
Create hunting rule

PUA.Win.Packer.EnigmaProtector-1
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Program Files subdirectories
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Sending a UDP request
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Creating a window
Reading critical registry keys
Sending a custom TCP request
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi enigma obfuscated packed quasar
Link:
https://www.filescan.io/uploads/6253669a04b81dabe2798fc0/reports/5bdaf90b-907e-463f-80b8-353dd3d75ebd/overview
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb45bc1f-1a8c-4774-b50e-59dbe018f1d5
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/974151
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates processes via WMI
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found malware configuration
Hides threads from debuggers
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
PE file has nameless sections
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: File Created with System Process Name
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: 606635 Sample: B5E38021DB395B1101905F0AD3E... Startdate: 11/04/2022 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for dropped file 2->51 53 14 other signatures 2->53 8 B5E38021DB395B1101905F0AD3E548D3A7AF3C4CA55C0.exe 9 27 2->8         started        12 WmiPrvSE.exe 3 2->12         started        14 PnOsUxdtMfeUezOax.exe 3 2->14         started        16 8 other processes 2->16 process3 file4 37 C:\Windows\SysWOW64\...\fontdrvhost.exe, PE32 8->37 dropped 39 C:\Windows\SysWOW64\wbem\tspkg\WmiPrvSE.exe, PE32 8->39 dropped 41 C:\Windows\SysWOW64\...\fontdrvhost.exe, PE32 8->41 dropped 43 9 other malicious files 8->43 dropped 65 Detected unpacking (changes PE section rights) 8->65 67 Detected unpacking (overwrites its own PE header) 8->67 69 Creates processes via WMI 8->69 71 Drops PE files with benign system names 8->71 18 cmd.exe 1 8->18         started        73 Antivirus detection for dropped file 12->73 75 Multi AV Scanner detection for dropped file 12->75 77 Machine Learning detection for dropped file 12->77 79 Hides threads from debuggers 14->79 signatures5 process6 signatures7 55 Drops executables to the windows directory (C:\Windows) and starts them 18->55 21 fontdrvhost.exe 15 4 18->21         started        25 w32tm.exe 1 18->25         started        27 conhost.exe 18->27         started        29 chcp.com 1 18->29         started        process8 dnsIp9 45 play-varryal.online 5.135.83.205, 49735, 49736, 80 OVHFR France 21->45 57 Antivirus detection for dropped file 21->57 59 Multi AV Scanner detection for dropped file 21->59 61 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 21->61 63 4 other signatures 21->63 31 WerFault.exe 21->31         started        33 WerFault.exe 21->33         started        35 w32tm.exe 1 25->35         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5e38021db395b1101905f0ad3e548d3a7af3c4ca55c021953f062494ea8960e/
Threat name:
Win32.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-04-08 23:37:00 UTC
File Type:
PE (Exe)
AV detection:
29 of 42 (69.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxryaio3hfnrcamql4fnhzki2ot26pcmuvoaegkt6brestvisyha._file
Verdict:
malicious
Similar samples:
49cfe3e8ec06fb6fc1616f2113eec3aed85ec58a24798690a493a23d0a85f7b0
DCRat
5574e0b5e404aa5bad86dd9aca033eb35421ec30dd91a9777bd6b053514010d7
DCRat
7023f35807e56aaf88350536ca380ac137d810958d6307e29454bf5336021a78
DCRat
7b0f445718f91d7d32669089ecf436c8cfc3639f756ef1d91f8ba5aa90c5145a
DCRat
992a54c553bf5b53990d181c24b9ba44b93bc9f02f5a3d42dbf4d1e1f57ead5f
DCRat
+ 363 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer persistence rat spyware stealer
Link:
https://tria.ge/reports/220410-3ch97ahad5/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
b5e38021db395b1101905f0ad3e548d3a7af3c4ca55c021953f062494ea8960e
MD5 hash:
dd4b4495cb32a7bc52082c86d42e347f
SHA1 hash:
6d0e2b6bd3af9218305b73b290f9da30b75f0ec1
Link:
https://www.unpac.me/results/37566ecd-d816-4005-b623-ea12d80853e9/
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/b5e38021db395b1101905f0ad3e548d3a7af3c4ca55c021953f062494ea8960e

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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
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:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_DCRat
Create hunting rule
Author:ditekSHen
Description:DCRat payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.smominru.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/262452/

Comments