MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 284976dbbde20179b25f21bca81ec823e9376ab19edc6e166dc614af01035f3a. 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 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 284976dbbde20179b25f21bca81ec823e9376ab19edc6e166dc614af01035f3a
SHA3-384 hash: 08138a513f423d2fa0705f302a6990194a2170ab222c7fab59b07ec9f706b2220dfd6b13830fcad90af327b95e206667
SHA1 hash: c9d1d4652aa54efa2dba513c9ea3846c321fb410
MD5 hash: 4f81b91dd50f04cc130b13546d4020ec
humanhash: venus-crazy-enemy-lemon
File name:4f81b91dd50f04cc130b13546d4020ec.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:639'685 bytes
First seen:2024-06-24 15:25:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 12288:aRZ+IoG/n9IQxW3OBsee2X+t4Rb9q2N7kxmTf99sIzDOOtKBdxUZP:U2G/nvxW3Ww0t9q2P37OOKxUF
TLSH T157D4AD0077EC4A31E1BE2B72D4B756519778BC22AB39DB4F5B80559E19323C0DE20BA7
TrID 76.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.0% (.EXE) Win64 Executable (generic) (10523/12/4)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.2% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://a0997621.xsph.ru/4474e3be.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://a0997621.xsph.ru/4474e3be.php https://threatfox.abuse.ch/ioc/1288169/

Intelligence

File Origin
# of uploads :
1
# of downloads :
399
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
284976dbbde20179b25f21bca81ec823e9376ab19edc6e166dc614af01035f3a.exe
Verdict:
Malicious activity
Analysis date:
2024-06-24 15:28:12 UTC
Tags:
rat dcrat remote darkcrystal
Link:
https://app.any.run/tasks/57d23361-d1a1-489b-905a-4924dd0e2dca

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.VBS.Encrypted.Gen.UNOFFICIAL
Create hunting rule

Win.Trojan.Uztuby-9855059-0
Create hunting rule

Win.Ransomware.Clinix-9868408-0
Create hunting rule

Win.Malware.Uztuby-9972880-0
Create hunting rule

Win.Packed.Msilmamut-9987799-0
Create hunting rule

Win.Packed.Basic-10013043-0
Create hunting rule

SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6679900c8bee61523c5d1b5cwin7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Other Static Stealth Runner Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd cscript epmicrosoft_visual_cc explorer fingerprint installer lolbin microsoft_visual_cc overlay packed schtasks setupapi sfx shdocvw shell32 stealer
Link:
https://www.filescan.io/uploads/66799012ef9fdf64aa6e88c6/reports/c43afdd6-3c94-41e0-81e7-d72c0e800c43/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Link:
https://www.hybrid-analysis.com/sample/284976dbbde20179b25f21bca81ec823e9376ab19edc6e166dc614af01035f3a
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/464712d5-431c-4f05-9a6a-78e9b7ba08e4
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1461792
Signature
.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
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
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/284976dbbde20179b25f21bca81ec823e9376ab19edc6e166dc614af01035f3a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/284976dbbde20179b25f21bca81ec823e9376ab19edc6e166dc614af01035f3a/
Threat name:
Win32.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-06-19 17:52:21 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fbexnw554iaxtms7eg6kqhwieputo2vrt3og4ftnyykk6aidl45a._file
Verdict:
malicious
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat
Link:
https://tria.ge/reports/240624-st63gasepq/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
DCRat payload
DcRat
Unpacked files
SH256 hash:
d820bda591d57907bce80d4eb8a403956eaa78b6d7611c5da16c6fdc5a81f93b
MD5 hash:
eec98caf07126c7ae1c52992d26e457f
SHA1 hash:
d9c60b5b36d5501afef989ea198651641226c9ca
Detections:
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
MALWARE_Win_DCRat
Create hunting rule
Link:
https://www.unpac.me/results/70210a5e-5d50-4db5-95aa-38b0e93ede7a/
SH256 hash:
284976dbbde20179b25f21bca81ec823e9376ab19edc6e166dc614af01035f3a
MD5 hash:
4f81b91dd50f04cc130b13546d4020ec
SHA1 hash:
c9d1d4652aa54efa2dba513c9ea3846c321fb410
Detections:
win_xorist_auto
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
MALWARE_Win_DCRat
Create hunting rule
Link:
https://www.unpac.me/results/70210a5e-5d50-4db5-95aa-38b0e93ede7a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/284976dbbde20179b25f21bca81ec823e9376ab19edc6e166dc614af01035f3a

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_DCRat
Create hunting rule
Author:ditekSHen
Description:DCRat payload
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:win_xorist_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xorist.

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
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments