MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8370368e6591b9ed6ac037144d54a070b169057f5f761cc9ecb0d395712e7d39. 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


Intelligence 15 IOCs 1 YARA 10 File information Comments

SHA256 hash: 8370368e6591b9ed6ac037144d54a070b169057f5f761cc9ecb0d395712e7d39
SHA3-384 hash: d3237734338203b71a1b127a622fe233a976a83c25e4bbf70a2b9c15249406dbdc326f31ea1e079f955061bc665a8f28
SHA1 hash: 1ba1790a2f5ff5f9838223dd1867c3787036fe62
MD5 hash: 6e57d9369ffc5204d19477954c5daa61
humanhash: venus-equal-hot-alabama
File name:6e57d9369ffc5204d19477954c5daa61.exe
Download: download sample
Signature DCRat
File size:2'269'003 bytes
First seen:2024-07-01 18:45:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (390 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 49152:hBAdUp6UEgB0VYupU2bGbwvuiLQdYA8E/yyF:rCUprEgB0SupUfcQdYAV9F
Threatray 1'438 similar samples on MalwareBazaar
TLSH T1A1B5BF4276D24E33C2701B31466B423E8290D7222656EF5B765F24A2AC57BF58F722F3
TrID 74.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
2.9% (.EXE) Win64 Executable (generic) (10523/12/4)
1.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 62f8de6b63c761f3 (1 x DCRat)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://000366cm.nyashka.top/phpflowergenerator.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://000366cm.nyashka.top/phpflowergenerator.php https://threatfox.abuse.ch/ioc/1291309/

Intelligence


File Origin
# of uploads :
1
# of downloads :
405
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
8370368e6591b9ed6ac037144d54a070b169057f5f761cc9ecb0d395712e7d39.exe
Verdict:
Malicious activity
Analysis date:
2024-07-02 06:17:20 UTC
Tags:
dcrat rat remote darkcrystal netreactor susp-powershell amsi-bypass

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
Searching for the window
Creating a 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
Launching a process
Loading a suspicious library
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm epmicrosoft_visual_cc fingerprint installer lolbin microsoft_visual_cc overlay packed 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:
DCRat, PureLog Stealer, zgRAT
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Disable Task Manager(disabletaskmgr)
Disables the Windows task manager (taskmgr)
Infects executable files (exe, dll, sys, html)
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)
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Suspicious Program Location with Network Connections
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1465599 Sample: Vg46FzGtNo.exe Startdate: 01/07/2024 Architecture: WINDOWS Score: 100 79 000366cm.nyashka.top 2->79 83 Snort IDS alert for network traffic 2->83 85 Antivirus detection for URL or domain 2->85 87 Antivirus detection for dropped file 2->87 89 16 other signatures 2->89 11 Vg46FzGtNo.exe 3 6 2->11         started        14 sihost.exe 14 31 2->14         started        18 sihost.exe 3 2->18         started        20 7 other processes 2->20 signatures3 process4 dnsIp5 59 C:\PortContainerdhcp\AgentmonitorSvc.exe, PE32 11->59 dropped 61 C:\...\Hl6YMMEJPZzoqubafAfqAVgAKkCr5ZGrw.vbe, data 11->61 dropped 22 wscript.exe 1 11->22         started        81 000366cm.nyashka.top 188.114.96.3, 49730, 49735, 49736 CLOUDFLARENETUS European Union 14->81 63 C:\Users\user\Desktop\gIcgEdUd.log, PE32 14->63 dropped 65 C:\Users\user\Desktop\UpdANnED.log, PE32 14->65 dropped 67 C:\Users\user\Desktop\TuSAZXAP.log, PE32 14->67 dropped 69 C:\Users\user\Desktop\JBzKdbJV.log, PE32 14->69 dropped 107 Tries to harvest and steal browser information (history, passwords, etc) 14->107 109 Antivirus detection for dropped file 18->109 111 Multi AV Scanner detection for dropped file 18->111 113 Machine Learning detection for dropped file 18->113 115 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 18->115 file6 signatures7 process8 signatures9 93 Windows Scripting host queries suspicious COM object (likely to drop second stage) 22->93 25 cmd.exe 1 22->25         started        process10 process11 27 AgentmonitorSvc.exe 11 27 25->27         started        31 reg.exe 1 1 25->31         started        33 conhost.exe 25->33         started        file12 71 C:\Users\user\Desktop\vXvwkdHi.log, PE32 27->71 dropped 73 C:\Users\user\Desktop\YQSZKbwZ.log, PE32 27->73 dropped 75 C:\Users\user\Desktop\OhyJazrr.log, PE32 27->75 dropped 77 8 other malicious files 27->77 dropped 95 Antivirus detection for dropped file 27->95 97 Multi AV Scanner detection for dropped file 27->97 99 Creates an undocumented autostart registry key 27->99 105 4 other signatures 27->105 35 csc.exe 4 27->35         started        39 cmd.exe 27->39         started        41 schtasks.exe 27->41         started        43 17 other processes 27->43 101 Disable Task Manager(disabletaskmgr) 31->101 103 Disables the Windows task manager (taskmgr) 31->103 signatures13 process14 file15 57 C:\Windows\...\SecurityHealthSystray.exe, PE32 35->57 dropped 91 Infects executable files (exe, dll, sys, html) 35->91 45 conhost.exe 35->45         started        47 cvtres.exe 35->47         started        49 conhost.exe 39->49         started        51 chcp.com 39->51         started        53 w32tm.exe 39->53         started        55 WmiPrvSE.exe 39->55         started        signatures16 process17
Threat name:
ByteCode-MSIL.Trojan.DCRat
Status:
Malicious
First seen:
2024-06-26 06:55:21 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence spyware stealer
Behaviour
Modifies registry class
Modifies registry key
Runs ping.exe
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
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Modifies WinLogon for persistence
Process spawned unexpected child process
Unpacked files
SH256 hash:
c7a0df6f79b6d9fe2e08a2f1ab8c4cade9a24b2e61413a904d644e9f49c70b7b
MD5 hash:
8297e82ea587f35fc4f297b3d222f9f4
SHA1 hash:
c5e1656372cc8c679359a96fd5fad36fc84a0962
Detections:
INDICATOR_EXE_Packed_DotNetReactor
SH256 hash:
8370368e6591b9ed6ac037144d54a070b169057f5f761cc9ecb0d395712e7d39
MD5 hash:
6e57d9369ffc5204d19477954c5daa61
SHA1 hash:
1ba1790a2f5ff5f9838223dd1867c3787036fe62
Detections:
INDICATOR_EXE_Packed_DotNetReactor
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:INDICATOR_EXE_Packed_DotNetReactor
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
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

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