MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0266dc2bf6eb73b5ef4770bedecadbffb0c35cd3b17c9a97e39712d92f17d199. 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 YARA 9 File information Comments

SHA256 hash: 0266dc2bf6eb73b5ef4770bedecadbffb0c35cd3b17c9a97e39712d92f17d199
SHA3-384 hash: 39646f661554c83d0d6cc48b82ee65e0549d4932f7ea09ee94a7df08199b3c3061a58f796733ba0d5733b79e50f4782f
SHA1 hash: 40b6d4224504f1f0dfea827c8c853dce79a77287
MD5 hash: 33c53419f5450d013fd20a76468d43d2
humanhash: fix-green-eighteen-south
File name:33c53419f5450d013fd20a76468d43d2.exe
Download: download sample
Signature DCRat
File size:3'866'011 bytes
First seen:2024-03-28 07:05:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 98304:ypcjyoyOglp/VanCJgUEIvX8jMrbL7589kE9PQqP:8s7glp/VaCJAIQs7m9kERQc
TLSH T197063340FDE7E4B2D4B628318719AB10493EBD212FA18EFB73A4660DC932695CD31767
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 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://531995cl.nyashtop.top/baseuniversaluploads.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
313
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
0266dc2bf6eb73b5ef4770bedecadbffb0c35cd3b17c9a97e39712d92f17d199.exe
Verdict:
Malicious activity
Analysis date:
2024-03-28 07:07:19 UTC
Tags:
evasion dcrat rat backdoor remote stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Loading a suspicious library
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
91%
Tags:
anti-vm dcrat fingerprint installer lolbin overlay packed setupapi sfx shdocvw shell32
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
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:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates processes via WMI
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Suspicious execution chain found
Tries to harvest and steal browser information (history, passwords, etc)
Uses the Telegram API (likely for C&C communication)
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: 1416850 Sample: iY40ylvr5y.exe Startdate: 28/03/2024 Architecture: WINDOWS Score: 100 80 api.telegram.org 2->80 82 531995cl.nyashtop.top 2->82 84 ipinfo.io 2->84 94 Snort IDS alert for network traffic 2->94 96 Multi AV Scanner detection for domain / URL 2->96 98 Antivirus detection for URL or domain 2->98 102 12 other signatures 2->102 11 iY40ylvr5y.exe 3 6 2->11         started        14 svchost.exe 2->14         started        17 btjEWTAiShypbqBmzhF.exe 3 2->17         started        19 5 other processes 2->19 signatures3 100 Uses the Telegram API (likely for C&C communication) 80->100 process4 dnsIp5 70 C:\msComwin\serverDriver.exe, MS-DOS 11->70 dropped 21 wscript.exe 1 11->21         started        92 127.0.0.1 unknown unknown 14->92 file6 process7 signatures8 104 Windows Scripting host queries suspicious COM object (likely to drop second stage) 21->104 106 Suspicious execution chain found 21->106 24 cmd.exe 1 21->24         started        process9 process10 26 serverDriver.exe 17 45 24->26         started        31 conhost.exe 24->31         started        dnsIp11 88 api.telegram.org 149.154.167.220, 443, 49707, 49776 TELEGRAMRU United Kingdom 26->88 90 ipinfo.io 34.117.186.192, 443, 49705, 49706 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 26->90 72 C:\msComwin\btjEWTAiShypbqBmzhF.exe, MS-DOS 26->72 dropped 74 C:\msComwin\WmiPrvSE.exe, MS-DOS 26->74 dropped 76 C:\msComwin\Memory Compression.exe, MS-DOS 26->76 dropped 78 30 other malicious files 26->78 dropped 116 Adds a directory exclusion to Windows Defender 26->116 118 Creates processes via WMI 26->118 33 cmd.exe 26->33         started        35 powershell.exe 26->35         started        37 powershell.exe 26->37         started        39 17 other processes 26->39 file12 signatures13 process14 process15 41 btjEWTAiShypbqBmzhF.exe 33->41         started        58 3 other processes 33->58 46 conhost.exe 35->46         started        48 WmiPrvSE.exe 35->48         started        50 conhost.exe 37->50         started        52 conhost.exe 39->52         started        54 conhost.exe 39->54         started        56 conhost.exe 39->56         started        60 14 other processes 39->60 dnsIp16 86 531995cl.nyashtop.top 104.21.55.183, 49713, 49714, 49715 CLOUDFLARENETUS United States 41->86 62 C:\Users\user\Desktop\xaGTbgpB.log, PE32 41->62 dropped 64 C:\Users\user\Desktop\vOxlVKSJ.log, PE32 41->64 dropped 66 C:\Users\user\Desktop\sPjuebyT.log, PE32 41->66 dropped 68 25 other malicious files 41->68 dropped 108 Antivirus detection for dropped file 41->108 110 Multi AV Scanner detection for dropped file 41->110 112 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 41->112 114 3 other signatures 41->114 file17 signatures18
Threat name:
ByteCode-MSIL.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-03-24 10:58:31 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat rat spyware stealer
Behaviour
Creates scheduled task(s)
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Detect ZGRat V1
Process spawned unexpected child process
ZGRat
Unpacked files
SH256 hash:
d6dcaea699ac9b2950b38dd2595a605aacf2241cf961c533fa22ff7681eec86f
MD5 hash:
9f2f3b485979590b2d77b05806352d54
SHA1 hash:
86d5a01d9400e49e7e4f7d05f50575a1ee0b0b3f
Detections:
INDICATOR_EXE_Packed_DotNetReactor
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
SH256 hash:
cb1635caffbfb28a5132d064046120207091dac1e374c5d984401173cd56f0fb
MD5 hash:
3da41978b6a4e6573953fed951d5422e
SHA1 hash:
6ccad503654da9460cbc19c82560749f58b227f0
SH256 hash:
d0102ec13b810c20f1a43950ac1aab7afc636b94ad13d15d1e6eaef49c3c1d6f
MD5 hash:
9cc469fa3ae795c1eeaa6e7c14deae67
SHA1 hash:
04e52f4a475271e9d4b617a65e41b83b4b866703
SH256 hash:
0266dc2bf6eb73b5ef4770bedecadbffb0c35cd3b17c9a97e39712d92f17d199
MD5 hash:
33c53419f5450d013fd20a76468d43d2
SHA1 hash:
40b6d4224504f1f0dfea827c8c853dce79a77287
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: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:mpress_2_xx_net
Author:Kevin Falcoz
Description:MPRESS v2.XX .NET
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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.

Web download

DCRat

Executable exe 0266dc2bf6eb73b5ef4770bedecadbffb0c35cd3b17c9a97e39712d92f17d199

(this sample)

  
Delivery method
Distributed via web download

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