MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a539cf912da1307e901cb90312df5273b8702492e6a0f4e4802cd4004919b3e4. 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: 17


Intelligence 17 IOCs YARA 26 File information Comments

SHA256 hash: a539cf912da1307e901cb90312df5273b8702492e6a0f4e4802cd4004919b3e4
SHA3-384 hash: 489d682d474f62593d2485729042052219a49c9785e6672fb812cb7774549326fad2a8bd8f553ed58d60966c7b220b9a
SHA1 hash: aaf40e152a63229732b66581840bc2cb7b86eab0
MD5 hash: 2d41eca3ec808efb425bdc7ea84d67bb
humanhash: ack-ten-cola-magazine
File name:2d41eca3ec808efb425bdc7ea84d67bb.exe
Download: download sample
Signature DCRat
File size:18'889'216 bytes
First seen:2024-05-29 20:50:09 UTC
Last seen:2024-05-29 21:20:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 393216:/BeVnrj1rhDY+kPskzQsFBkw5/XPZ3w/okY3VoOTWOL7E7:UVrj1Fc+Xy/NCwVoOTe
TLSH T1B11733FC635D025FCFA90979285DDC79101EDD8631F5289881E6BB2CCB7D1C98B86B88
TrID 75.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.9% (.EXE) Win64 Executable (generic) (10523/12/4)
4.6% (.EXE) Win32 Executable (generic) (4504/4/1)
2.1% (.ICL) Windows Icons Library (generic) (2059/9)
2.1% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon e0cae4b9f9c4bac0 (1 x DCRat, 1 x AsyncRAT)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://a0986534.xsph.ru/283479bd.php

Intelligence


File Origin
# of uploads :
2
# of downloads :
356
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
a539cf912da1307e901cb90312df5273b8702492e6a0f4e4802cd4004919b3e4.exe
Verdict:
Malicious activity
Analysis date:
2024-05-29 20:52:12 UTC
Tags:
discord evasion python rat dcrat remote darkcrystal

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Banker Encryption Execution Generic Network Other Stealth Dropper Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Searching for the window
Searching for synchronization primitives
Running batch commands
Creating a process with a hidden window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the Program Files subdirectories
Creating a file in the Windows subdirectories
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Malware family:
Dark Crystal RAT
Verdict:
Malicious
Result
Threat name:
DCRat, Discord Token Stealer, Empyrean
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
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 PE files with benign system names
Found malware configuration
Found pyInstaller with non standard icon
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
Potentially malicious time measurement code found
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Schedule system process
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: System File Execution Location Anomaly
Sigma detected: Windows Binaries Write Suspicious Extensions
Sigma detected: WScript or CScript Dropper
Tries to harvest and steal browser information (history, passwords, etc)
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Yara detected Discord Token Stealer
Yara detected Empyrean
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1449202 Sample: J54GP6x3r4.exe Startdate: 29/05/2024 Architecture: WINDOWS Score: 100 126 www.cloudflare.com 2->126 128 raw.githubusercontent.com 2->128 130 2 other IPs or domains 2->130 138 Found malware configuration 2->138 140 Malicious sample detected (through community Yara rule) 2->140 142 Antivirus detection for dropped file 2->142 144 20 other signatures 2->144 12 J54GP6x3r4.exe 4 2->12         started        16 cmd.exe 2->16         started        18 winlogon.exe 2->18         started        20 3 other processes 2->20 signatures3 process4 file5 122 C:\Users\user\AppData\Local\...\svchost.exe, PE32 12->122 dropped 124 C:\Users\user\AppData\...\@AXEOMENDERS.exe, PE32+ 12->124 dropped 170 Drops PE files with benign system names 12->170 22 @AXEOMENDERS.exe 136 12->22         started        26 svchost.exe 3 11 12->26         started        28 schtasks.exe 12->28         started        30 dat.txt 16->30         started        32 conhost.exe 16->32         started        172 Antivirus detection for dropped file 18->172 174 Multi AV Scanner detection for dropped file 18->174 176 Machine Learning detection for dropped file 18->176 34 Conhost.exe 20->34         started        signatures6 process7 file8 104 C:\Users\...\_quoting_c.cp310-win_amd64.pyd, PE32+ 22->104 dropped 106 C:\Users\user\AppData\Local\...\win32ui.pyd, PE32+ 22->106 dropped 108 C:\Users\user\AppData\...\win32trace.pyd, PE32+ 22->108 dropped 116 86 other malicious files 22->116 dropped 146 Antivirus detection for dropped file 22->146 148 Multi AV Scanner detection for dropped file 22->148 150 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->150 156 2 other signatures 22->156 36 @AXEOMENDERS.exe 22 22->36         started        110 C:\Users\user\AppData\Local\...\svchost.exe, PE32 26->110 dropped 118 2 other malicious files 26->118 dropped 152 Drops PE files with benign system names 26->152 40 wscript.exe 1 26->40         started        112 C:\Users\...\_quoting_c.cp310-win_amd64.pyd, PE32+ 30->112 dropped 114 C:\Users\user\AppData\Local\...\win32ui.pyd, PE32+ 30->114 dropped 120 87 other malicious files 30->120 dropped 154 Found pyInstaller with non standard icon 30->154 43 dat.txt 30->43         started        signatures9 process10 dnsIp11 132 raw.githubusercontent.com 185.199.108.133, 443, 49715, 49727 FASTLYUS Netherlands 36->132 134 www.cloudflare.com 104.16.123.96, 443, 49721, 49728 CLOUDFLARENETUS United States 36->134 136 discord.com 162.159.128.233, 443, 49713, 49726 CLOUDFLARENETUS United States 36->136 102 C:\Users\user\AppData\Roaming\...\dat.txt, PE32+ 36->102 dropped 45 cmd.exe 36->45         started        48 cmd.exe 1 36->48         started        50 cmd.exe 1 36->50         started        56 4 other processes 36->56 158 Windows Scripting host queries suspicious COM object (likely to drop second stage) 40->158 52 cmd.exe 40->52         started        160 Tries to harvest and steal browser information (history, passwords, etc) 43->160 54 cmd.exe 43->54         started        file12 signatures13 process14 signatures15 178 Uses cmd line tools excessively to alter registry or file data 45->178 58 reg.exe 45->58         started        61 conhost.exe 45->61         started        74 2 other processes 48->74 63 conhost.exe 50->63         started        65 svchost.exe 52->65         started        68 conhost.exe 52->68         started        70 conhost.exe 54->70         started        72 conhost.exe 56->72         started        76 5 other processes 56->76 process16 file17 94 C:\Users\Public\Desktop\winlogon.exe, PE32 65->94 dropped 96 C:\Recovery\SgrmBroker.exe, PE32 65->96 dropped 98 C:\Program Files\...\XTGcJkNFLFxpAqXQ.exe, PE32 65->98 dropped 100 2 other malicious files 65->100 dropped 162 Benign windows process drops PE files 65->162 164 Creates an undocumented autostart registry key 65->164 166 Creates multiple autostart registry keys 65->166 168 3 other signatures 65->168 78 cmd.exe 65->78         started        80 schtasks.exe 65->80         started        82 schtasks.exe 65->82         started        86 9 other processes 65->86 84 Conhost.exe 72->84         started        signatures18 process19 process20 88 conhost.exe 78->88         started        90 w32tm.exe 78->90         started        92 XTGcJkNFLFxpAqXQ.exe 78->92         started       
Threat name:
ByteCode-MSIL.Trojan.XWormRAT
Status:
Malicious
First seen:
2024-05-24 20:40:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat infostealer persistence pyinstaller rat spyware stealer upx
Behaviour
Creates scheduled task(s)
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Detects Pyinstaller
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
DCRat payload
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
Unpacked files
SH256 hash:
66ebe251f8bd343f906e26b788c5e3e24a967f876ff7007a24fd40c427752872
MD5 hash:
424c6a907442c498dc37e7cfab9e62b0
SHA1 hash:
086872176d32cb129e68f4b3548ac4faa6f6780a
Detections:
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File MALWARE_Win_DCRat
SH256 hash:
e19da0f604b3104831a0b13df1ad8024d5dfab2f6a8ce664d16ffdd109b7cbb9
MD5 hash:
efc99d6f3af193f2fbbda325602a7377
SHA1 hash:
c6fa6e55c376989d9d06e24c9b9547a13e01dc96
Detections:
PyInstaller
SH256 hash:
a539cf912da1307e901cb90312df5273b8702492e6a0f4e4802cd4004919b3e4
MD5 hash:
2d41eca3ec808efb425bdc7ea84d67bb
SHA1 hash:
aaf40e152a63229732b66581840bc2cb7b86eab0
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Glasses
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Author:Seth Hardy
Description:Glasses code features
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MALWARE_Win_DCRat
Author:ditekSHen
Description:DCRat payload
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:shad0w_beacon_16June
Author:SBousseaden
Description:Shad0w beacon compressed
Reference:https://github.com/bats3c/shad0w
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments