MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18e83d9fabe142a751c644f12d223e6c4825912573a352551361abde977d753f. 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: 16


Intelligence 16 IOCs 1 YARA 8 File information Comments

SHA256 hash: 18e83d9fabe142a751c644f12d223e6c4825912573a352551361abde977d753f
SHA3-384 hash: 00e1ad490baf92bf43b9f12123df9c6c7aa0be0a180345a4784ccca9a769936bfc2caf2e6193c4a95db30fefaf67e91a
SHA1 hash: 8fc82929941d67a20c76976e796feab701795c2f
MD5 hash: a26ed7dc21bc77f20c0251fa25738d02
humanhash: yellow-magazine-autumn-oregon
File name:A26ED7DC21BC77F20C0251FA25738D02.exe
Download: download sample
Signature DCRat
File size:2'670'080 bytes
First seen:2024-12-13 13:30:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 24576:eRDNakc4BcCw7sUL/4cIG5IuUe1QdcqTHmdbBs3eJCZrCsjOEKka+wlFlett6t1:yDNu4BaMcQmQmqyHM6sslnE
Threatray 163 similar samples on MalwareBazaar
TLSH T1F8C57D3439EB502AB173EFB58AE4749ADA6FF6B33B07585E205103864713A81DDC163E
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://45.88.91.89/Process2Dump3/Geo3Game/Windowsjs_/7/linePacketprocessorauthSqlBasewindowsWordpressTemporary.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://45.88.91.89/Process2Dump3/Geo3Game/Windowsjs_/7/linePacketprocessorauthSqlBasewindowsWordpressTemporary.php https://threatfox.abuse.ch/ioc/1356529/

Intelligence


File Origin
# of uploads :
1
# of downloads :
469
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
A26ED7DC21BC77F20C0251FA25738D02.exe
Verdict:
Malicious activity
Analysis date:
2024-12-13 13:39:06 UTC
Tags:
rat dcrat remote darkcrystal

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd dcrat lolbin smb
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
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files with benign system names
Found malware configuration
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Program Location with Network Connections
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1574710 Sample: CPNSQusnwC.exe Startdate: 13/12/2024 Architecture: WINDOWS Score: 100 83 Suricata IDS alerts for network traffic 2->83 85 Found malware configuration 2->85 87 Antivirus detection for dropped file 2->87 89 15 other signatures 2->89 9 CPNSQusnwC.exe 4 46 2->9         started        process3 file4 73 C:\Users\user\Desktop\zJHvHEBf.log, PE32 9->73 dropped 75 C:\Users\user\Desktop\xQsMWHQg.log, PE32 9->75 dropped 77 C:\Users\user\Desktop\vEieQmso.log, PE32 9->77 dropped 79 32 other malicious files 9->79 dropped 99 Adds a directory exclusion to Windows Defender 9->99 101 Drops PE files with benign system names 9->101 13 cmd.exe 9->13         started        16 powershell.exe 23 9->16         started        18 powershell.exe 23 9->18         started        20 11 other processes 9->20 signatures5 process6 signatures7 103 Uses ping.exe to sleep 13->103 105 Uses ping.exe to check the status of other devices and networks 13->105 22 explorer.exe 13->22         started        27 conhost.exe 13->27         started        39 2 other processes 13->39 107 Loading BitLocker PowerShell Module 16->107 29 conhost.exe 16->29         started        31 conhost.exe 18->31         started        33 conhost.exe 20->33         started        35 conhost.exe 20->35         started        37 conhost.exe 20->37         started        41 7 other processes 20->41 process8 dnsIp9 81 45.88.91.89, 49753, 49758, 49763 LVLT-10753US Bulgaria 22->81 65 C:\Users\user\Desktop\ySVMqwBm.log, PE32 22->65 dropped 67 C:\Users\user\Desktop\wdeWzfMx.log, PE32 22->67 dropped 69 C:\Users\user\Desktop\uaPNCQpm.log, PE32 22->69 dropped 71 22 other malicious files 22->71 dropped 91 Antivirus detection for dropped file 22->91 93 System process connects to network (likely due to code injection or exploit) 22->93 95 Multi AV Scanner detection for dropped file 22->95 97 4 other signatures 22->97 43 powershell.exe 22->43         started        45 powershell.exe 22->45         started        47 powershell.exe 22->47         started        49 9 other processes 22->49 file10 signatures11 process12 process13 51 conhost.exe 43->51         started        53 conhost.exe 45->53         started        55 conhost.exe 47->55         started        57 conhost.exe 49->57         started        59 conhost.exe 49->59         started        61 conhost.exe 49->61         started        63 5 other processes 49->63
Threat name:
ByteCode-MSIL.Trojan.Mardom
Status:
Malicious
First seen:
2024-12-05 14:31:58 UTC
File Type:
PE (.Net Exe)
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat discovery execution infostealer rat
Behaviour
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
DCRat payload
DcRat
Dcrat family
Verdict:
Malicious
Tags:
rat dcrat Win.Packed.Uztuby-10015799-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Unpacked files
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
SH256 hash:
7a080d8bd178ec02c7f39f7f941479074c450c4fdd8e963c993d2fb5537c7708
MD5 hash:
16b480082780cc1d8c23fb05468f64e7
SHA1 hash:
6fddf86f9f0fbaa189f5cb79e44999a3f1ac2b26
SH256 hash:
18e83d9fabe142a751c644f12d223e6c4825912573a352551361abde977d753f
MD5 hash:
a26ed7dc21bc77f20c0251fa25738d02
SHA1 hash:
8fc82929941d67a20c76976e796feab701795c2f
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:DCRat
Author:Nikolaos 'n0t' Totosis
Description:DCRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

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

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