MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 db172c894350988746804dfdc76f4448a3d246879640f2437db04bbf71345de2. 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
| SHA256 hash: | db172c894350988746804dfdc76f4448a3d246879640f2437db04bbf71345de2 |
|---|---|
| SHA3-384 hash: | df7779953d35cd17246d21513bd1a99305763d6f37ba3c64c7e4397cfe9e4fdd0daa7f5b5f6eb0c47957acc3d0a7781c |
| SHA1 hash: | 3f84663a78df8b185276dba0c96cab94ebc329ef |
| MD5 hash: | 27e18c081d952c45be45d784534d968f |
| humanhash: | ink-spring-sweet-seventeen |
| File name: | 27e18c081d952c45be45d784534d968f.exe |
| Download: | download sample |
| Signature | DCRat |
| File size: | 1'878'016 bytes |
| First seen: | 2024-08-02 03:55:28 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 24576:+62aHxKOTBxsgsrHbAH3BiBgysaI2mlUdAu0xrR9f+jqaFDkrhLdsnos:tDKkLsrhgyGsArBGos |
| TLSH | T12F955F342EEA502AB173FF798BE47596DA6FB7A33707585D00A1038A0723A42DDD153E |
| 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 |  abuse_ch |
| Tags: | DCRat exe |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://cr47539.tw1.ru/L1nc0In.php | https://threatfox.abuse.ch/ioc/1306208/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
365
Origin country :
NLVendor Threat Intelligence
Malware family:
dcrat
ID:
1
File name:
27e18c081d952c45be45d784534d968f.exe
Verdict:
Malicious activity
Analysis date:
2024-08-02 03:58:41 UTC
Tags:
dcrat rat remote darkcrystal
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Network Static Stealth Msil
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 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
Connection attempt
Sending an HTTP GET request
Connection attempt to an infection source
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Query of malicious DNS domain
Enabling autorun by creating a file
Enabling autorun
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm cmd cscript dcrat explorer infostealer lolbin schtasks vbnet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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:
DCRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Found malware configuration
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
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: Schedule system process
Sigma detected: System File Execution Location Anomaly
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2024-07-28 16:30:49 UTC
File Type:
PE (.Net Exe)
AV detection:
31 of 38 (81.58%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
dcrat
Score:
10/10
Tags:
family:dcrat infostealer persistence rat
Behaviour
Scheduled Task/Job: Scheduled Task
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
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
DCRat payload
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
db172c894350988746804dfdc76f4448a3d246879640f2437db04bbf71345de2
MD5 hash:
27e18c081d952c45be45d784534d968f
SHA1 hash:
3f84663a78df8b185276dba0c96cab94ebc329ef
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: | MALWARE_Win_DCRat |
|---|---|
| Author: | ditekSHen |
| Description: | DCRat payload |
| 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: | pe_imphash |
|---|
| 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.
No further information available
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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