MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec97ac4f877f3b09bd07231f37f4d86b035c1cb1502880de86e737fca732d116. 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 10 File information Comments

SHA256 hash: ec97ac4f877f3b09bd07231f37f4d86b035c1cb1502880de86e737fca732d116
SHA3-384 hash: 6c8640b14fb39c6605e1e6bd2a4f8e79911edf68a919bb4956246584b9e16676189573230bb0712967474a69bea5873a
SHA1 hash: f2882f8254f0e88819a0e82fac47957b0426bdc4
MD5 hash: 130d411ba060c9257a577137b710c210
humanhash: gee-winner-steak-wisconsin
File name:130d411ba060c9257a577137b710c210.exe
Download: download sample
Signature DCRat
File size:1'165'464 bytes
First seen:2024-08-27 03:40:16 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 24576:U2G/nvxW3Ww0t5mYNdzYYzP5tk7l/Q+mEML0JL9:UbA3055NNxEl+c
Threatray 941 similar samples on MalwareBazaar
TLSH T1094539017E44CA12F0191633C2EF494847B4AC516AE6E72B7EBA37BE55123937C1DACB
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)
Magika pebin
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://a1021235.xsph.ru/L1nc0In.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://a1021235.xsph.ru/L1nc0In.php https://threatfox.abuse.ch/ioc/1316520/

Intelligence


File Origin
# of uploads :
1
# of downloads :
411
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
130d411ba060c9257a577137b710c210.exe
Verdict:
Malicious activity
Analysis date:
2024-08-27 03:42:13 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:
99.1%
Tags:
Encryption Execution Generic Network Other Static Stealth Trojan Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
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
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd cscript dcrat epmicrosoft_visual_cc explorer fingerprint installer lolbin microsoft_visual_cc overlay packed schtasks setupapi sfx shdocvw shell32
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.
Result
Threat name:
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
Creates processes via WMI
Drops executable to a common third party application directory
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
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Schedule system process
Suricata IDS alerts for network traffic
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1499513 Sample: YMtjYvZX2i.exe Startdate: 27/08/2024 Architecture: WINDOWS Score: 100 59 a1021235.xsph.ru 2->59 63 Multi AV Scanner detection for domain / URL 2->63 65 Suricata IDS alerts for network traffic 2->65 67 Found malware configuration 2->67 69 13 other signatures 2->69 11 YMtjYvZX2i.exe 3 6 2->11         started        14 fontdrvhost.exe 14 3 2->14         started        18 fontdrvhost.exe 2->18         started        20 2 other processes 2->20 signatures3 process4 dnsIp5 47 C:\mssessionbrokerdllsvc\browserreview.exe, PE32 11->47 dropped 49 C:\mssessionbrokerdllsvc\pO06v5VIlWhm.vbe, data 11->49 dropped 22 wscript.exe 1 11->22         started        61 a1021235.xsph.ru 141.8.197.42, 49730, 49731, 80 SPRINTHOSTRU Russian Federation 14->61 81 Antivirus detection for dropped file 14->81 83 Multi AV Scanner detection for dropped file 14->83 85 Machine Learning detection for dropped file 14->85 file6 signatures7 process8 signatures9 71 Windows Scripting host queries suspicious COM object (likely to drop second stage) 22->71 25 cmd.exe 1 22->25         started        process10 process11 27 browserreview.exe 3 16 25->27         started        31 conhost.exe 25->31         started        file12 51 C:\Users\...\FqpcyzQNejjmbFGAxweeqhLiI.exe, PE32 27->51 dropped 53 C:\Recovery\fontdrvhost.exe, PE32 27->53 dropped 55 C:\Recovery\RuntimeBroker.exe, PE32 27->55 dropped 57 3 other malicious files 27->57 dropped 73 Antivirus detection for dropped file 27->73 75 Multi AV Scanner detection for dropped file 27->75 77 Machine Learning detection for dropped file 27->77 79 3 other signatures 27->79 33 cmd.exe 1 27->33         started        35 schtasks.exe 27->35         started        37 schtasks.exe 27->37         started        39 13 other processes 27->39 signatures13 process14 process15 41 w32tm.exe 1 33->41         started        43 conhost.exe 33->43         started        45 browserreview.exe 33->45         started       
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Status:
Malicious
First seen:
2024-08-24 14:04:56 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat discovery infostealer rat
Behaviour
Modifies registry class
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
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
2a239545d917309ceb16776ff10db56c2a2ff685a3c5c0eca6f33f77f09342a3
MD5 hash:
4bbfa173cd7d052552687049ad013b07
SHA1 hash:
be00434cd7bdce8f804338858453181c06b4493f
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
ec97ac4f877f3b09bd07231f37f4d86b035c1cb1502880de86e737fca732d116
MD5 hash:
130d411ba060c9257a577137b710c210
SHA1 hash:
f2882f8254f0e88819a0e82fac47957b0426bdc4
Detections:
win_xorist_auto SUSP_OBF_NET_Reactor_Indicators_Jan24
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:win_xorist_auto
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

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