MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 df8bec134952b484b17a72f1fc97428e3b458e117be44cd1c2e21ce88ee88649. 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: 15
| SHA256 hash: | df8bec134952b484b17a72f1fc97428e3b458e117be44cd1c2e21ce88ee88649 |
|---|---|
| SHA3-384 hash: | c7646ae28390346a8f1051606ee12891b7674f4daeb28b32b0de30d5b9e9a3ee727e00548af8013b21b0d83110265503 |
| SHA1 hash: | 6319c434bc8ee27a3c208b48f1efe1874bcb1f67 |
| MD5 hash: | 05917d9b0ffe115436bf532647a937c4 |
| humanhash: | magnesium-violet-twenty-louisiana |
| File name: | 05917d9b0ffe115436bf532647a937c4.exe |
| Download: | download sample |
| Signature | DCRat |
| File size: | 847'360 bytes |
| First seen: | 2024-07-02 03:30:23 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:JRiv9zBkcxw/UZkZntvtwDbd2jYGuLTdnvxqKI:vi11kcxwPZnSbL3Jq5 |
| Threatray | 386 similar samples on MalwareBazaar |
| TLSH | T17D05E6027E86CA11F0191233C2EF454C47B0AD516AA7E72B7DBA3BAD55123A73C1D9CB |
| TrID | 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 8.4% (.SCR) Windows screen saver (13097/50/3) 6.8% (.EXE) Win64 Executable (generic) (10523/12/4) 4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) |
| 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://a0995213.xsph.ru/4a2f3b5b.php | https://threatfox.abuse.ch/ioc/1292078/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
402
Origin country :
NLVendor Threat Intelligence
Malware family:
dcrat
ID:
1
File name:
df8bec134952b484b17a72f1fc97428e3b458e117be44cd1c2e21ce88ee88649.exe
Verdict:
Malicious activity
Analysis date:
2024-07-02 05:34:16 UTC
Tags:
rat dcrat remote darkcrystal netreactor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
99.1%
Link:
Tags:
Execution Network Static Stealth Heur
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a file
Sending a UDP request
Creating a process from a recently created file
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a window
Searching for synchronization primitives
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm cmd cscript explorer lolbin net_reactor obfuscated packed schtasks vbnet
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.
Verdict:
Malicious
Result
Threat name:
DCRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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 processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found malware configuration
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: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2024-06-28 10:23:41 UTC
File Type:
PE (.Net Exe)
AV detection:
31 of 38 (81.58%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 376 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Score:
10/10
Tags:
family:dcrat infostealer rat
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Checks computer location settings
Executes dropped EXE
DCRat payload
DcRat
Process spawned unexpected child process
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
df8bec134952b484b17a72f1fc97428e3b458e117be44cd1c2e21ce88ee88649
MD5 hash:
05917d9b0ffe115436bf532647a937c4
SHA1 hash:
6319c434bc8ee27a3c208b48f1efe1874bcb1f67
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | BAZT_B5_NOCEXInvalidStream |
|---|
| Rule name: | DotNet_Reactor |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on. |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | PureCrypter |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies PureCrypter, .NET loader and obfuscator. |
| Reference: | https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter |
| 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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