MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fb58a5ee7ba44f8b9383496178c47aa4b47a304c128c403939bf0bf9aeb7b4b. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fb58a5ee7ba44f8b9383496178c47aa4b47a304c128c403939bf0bf9aeb7b4b
SHA3-384 hash: 2b5807d825834dac7ba5133bbdba2206259bdd7bccf10cfe4ae357aaaa7b088240d282a0fb83ea2ce5d2cf4b56884885
SHA1 hash: 6d851915cc95b22798a4519ac453cc2a4f48f021
MD5 hash: f6e5e2b98b02e12eb69ca996a0c2c8cb
humanhash: south-golf-maryland-apart
File name:SpotifyStartupTask.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:832'512 bytes
First seen:2024-01-21 20:42:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:7OTnUJ0dav2TeDefafT/dJJMA+PpW3Ari4VVyZC0+1cw2jINof85AZ6:7OTnneTT/nJMA+P3iE0nHx6
Threatray 55 similar samples on MalwareBazaar
TLSH T1B505D8282AEE153AF0B7AFB14BD57886D5AEF573771E954D08C103C68202B40DE9673B
TrID 59.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.6% (.SCR) Windows screen saver (13097/50/3)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adm1n_usa32
Tags:DCRat exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
308
Origin country :
RO RO
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/472108/
Detection(s):
Win.Packed.Uztuby-10015486-0
Create hunting rule

Win.Packed.Uztuby-10017372-0
Create hunting rule

Win.Packed.Uztuby-10017373-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a file in the Program Files subdirectories
Creating a file in the Windows subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Moving a file to the Program Files subdirectory
Creating a file in the %temp% subdirectories
Creating a process with a hidden window
Replacing executable files
Sending a custom TCP request
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm cmd lolbin
Link:
https://www.filescan.io/uploads/65ad81d63a0cf312d5188f4b/reports/c7b50410-3fef-46d1-82fd-d7cfd044343d/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/4fb58a5ee7ba44f8b9383496178c47aa4b47a304c128c403939bf0bf9aeb7b4b
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:
DCRat
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/90634398-761f-4c48-b4d4-c5acc00f0071
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1378371
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
Drops PE files with benign system names
Infects executable files (exe, dll, sys, html)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Dot net compiler compiles file from suspicious location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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 dnsIp2 2 Behavior Graph ID: 1378371 Sample: SpotifyStartupTask.exe Startdate: 21/01/2024 Architecture: WINDOWS Score: 100 67 691908cm.nyashtech.top 2->67 73 Snort IDS alert for network traffic 2->73 75 Multi AV Scanner detection for domain / URL 2->75 77 Antivirus detection for URL or domain 2->77 79 13 other signatures 2->79 8 SpotifyStartupTask.exe 10 39 2->8         started        12 bCNcPfZfBeGJAZqoUpalLgg.exe 14 56 2->12         started        15 csrss.exe 2->15         started        17 9 other processes 2->17 signatures3 process4 dnsIp5 51 C:\Windows\L2Schemas\csrss.exe, PE32 8->51 dropped 53 C:\Windows\...\bCNcPfZfBeGJAZqoUpalLgg.exe, PE32 8->53 dropped 55 C:\Users\user\Desktop\oThjxBca.log, PE32 8->55 dropped 63 8 other malicious files 8->63 dropped 89 Creates an undocumented autostart registry key 8->89 91 Creates multiple autostart registry keys 8->91 93 Drops PE files to the user root directory 8->93 99 6 other signatures 8->99 19 cmd.exe 8->19         started        22 csc.exe 4 8->22         started        25 csc.exe 4 8->25         started        27 20 other processes 8->27 69 691908cm.nyashtech.top 172.67.178.175, 49706, 49709, 49710 CLOUDFLARENETUS United States 12->69 57 C:\Users\user\Desktop\jRmTWuKy.log, PE32 12->57 dropped 59 C:\Users\user\Desktop\gPzlBLFD.log, PE32 12->59 dropped 61 C:\Users\user\Desktop\fjfvuhkK.log, PE32 12->61 dropped 65 2 other malicious files 12->65 dropped 95 Tries to harvest and steal browser information (history, passwords, etc) 12->95 97 Multi AV Scanner detection for dropped file 15->97 71 127.0.0.1 unknown unknown 17->71 file6 signatures7 process8 file9 81 Uses ping.exe to sleep 19->81 83 Drops executables to the windows directory (C:\Windows) and starts them 19->83 85 Uses ping.exe to check the status of other devices and networks 19->85 43 4 other processes 19->43 47 C:\Program Files (x86)\...\msedge.exe, PE32 22->47 dropped 87 Infects executable files (exe, dll, sys, html) 22->87 29 conhost.exe 22->29         started        31 cvtres.exe 1 22->31         started        49 C:\Windows\...\SecurityHealthSystray.exe, PE32 25->49 dropped 33 conhost.exe 25->33         started        35 cvtres.exe 1 25->35         started        37 conhost.exe 27->37         started        39 conhost.exe 27->39         started        41 conhost.exe 27->41         started        45 16 other processes 27->45 signatures10 process11
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4fb58a5ee7ba44f8b9383496178c47aa4b47a304c128c403939bf0bf9aeb7b4b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fb58a5ee7ba44f8b9383496178c47aa4b47a304c128c403939bf0bf9aeb7b4b/
Threat name:
ByteCode-MSIL.Trojan.DCRat
Create hunting rule
Status:
Malicious
First seen:
2024-01-21 09:27:30 UTC
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j62yuxxhxjcprojygslbpdchvjfupiyeyeumia4ttpyl7gxlpnfq._file
Verdict:
malicious
Similar samples:
23350615b3fc362fc7c8adcda2e78507a0bd912e0b48f0988058972e95eba22e
DCRat
3fb7af8c998cbcc414afa0dccb923bbe75e68b619eaa3198d8ee216ef48f76b0
DCRat
cb5019d7bc577467faf227fd6e878a9967b3f7e7437acaf5f619ad5c7817277d
DCRat
e9b6d574ea497a8831c6ae3f16d4542518d98b4ba16b5c191428c53a23018884
DCRat
eeb173614b06d5819dbb914b09c8c57b79b58ba7229904968f6dc7a6859e62c7
DCRat
+ 45 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer
Link:
https://tria.ge/reports/240121-zhj7wsade5/
Behaviour
Creates scheduled task(s)
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
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
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Modifies WinLogon for persistence
Process spawned unexpected child process
Unpacked files
SH256 hash:
e8daa5d9699964775d6b416cfa5d90fb084895a98b27d71af71aa9881c735397
MD5 hash:
dccd65c260b0b923e5dab79a82b56bbe
SHA1 hash:
3c29f0baf72d2c888993c0eaa0a141f0fd82e9a9
Link:
https://www.unpac.me/results/71bac9c7-5ee8-4ae2-bd79-f57938d318ae/
SH256 hash:
4fb58a5ee7ba44f8b9383496178c47aa4b47a304c128c403939bf0bf9aeb7b4b
MD5 hash:
f6e5e2b98b02e12eb69ca996a0c2c8cb
SHA1 hash:
6d851915cc95b22798a4519ac453cc2a4f48f021
Detections:
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
Link:
https://www.unpac.me/results/71bac9c7-5ee8-4ae2-bd79-f57938d318ae/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4fb58a5ee7ba/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/472108/

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