MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c849031f8576f268c802695c5c6d87a8ba88c4a7abbdd66a6f0582d06eaca41e. 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 18 File information Comments

SHA256 hash: c849031f8576f268c802695c5c6d87a8ba88c4a7abbdd66a6f0582d06eaca41e
SHA3-384 hash: a6bcfab1ad26b8ac0da89181c5960cf38ab28693e55df62e759e3a95fd4d227ab2b8ff7f1591772aec557722ef038fb2
SHA1 hash: 08cec1bf0999c2d72a35cabee19ba74d08e483fe
MD5 hash: 15fe08f3e2834cc840ccb90234656f2b
humanhash: white-triple-xray-equal
File name:15fe08f3e2834cc840ccb90234656f2b.exe
Download: download sample
Signature DCRat
File size:2'198'016 bytes
First seen:2024-05-09 01:10:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d59a4a699610169663a929d37c90be43 (75 x DCRat, 22 x njrat, 15 x SalatStealer)
ssdeep 49152:tbA3j4XFe78ERXQEfGe1fMRVXDpQnSbN7ta:tbxX4783Eu4URVDtO
TLSH T187A5BE017F44CA11F0191233C2FF49044BB4AC51AAA6E72B7EBA376D65223973C5DADB
TrID 56.4% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
12.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
9.1% (.EXE) InstallShield setup (43053/19/16)
5.7% (.EXE) UPX compressed Win32 Executable (27066/9/6)
5.6% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://a0951137.xsph.ru/967d93f7.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
352
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c849031f8576f268c802695c5c6d87a8ba88c4a7abbdd66a6f0582d06eaca41e.exe
Verdict:
Malicious activity
Analysis date:
2024-05-09 01:11:26 UTC
Tags:
rat backdoor dcrat 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 file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Searching for synchronization primitives
Launching a service
Creating a file in the Windows subdirectories
Launching a process
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file
Creating a file in the Program Files subdirectories
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd cscript dcrat defender explorer fingerprint lolbin packed packed packed prometheus risepro schtasks setupapi shdocvw shell32
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 to the user root directory
Drops PE files with benign system names
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
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: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Schedule system process
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 Defender Control Hacktool
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1438702 Sample: WVswy22Yv1.exe Startdate: 09/05/2024 Architecture: WINDOWS Score: 100 67 a0951137.xsph.ru 2->67 71 Snort IDS alert for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 15 other signatures 2->77 11 WVswy22Yv1.exe 3 2->11         started        15 MUjLTjnaphbzWETsIXOZNzrvYUS.exe 2->15         started        17 MUjLTjnaphbzWETsIXOZNzrvYUS.exe 2->17         started        signatures3 process4 file5 63 C:\Users\user\AppData\Local\Temp\file.exe, PE32 11->63 dropped 65 C:\Users\user\AppData\Local\...\dControl.exe, PE32 11->65 dropped 103 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->103 105 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 11->105 19 file.exe 3 7 11->19         started        23 dControl.exe 4 11->23         started        107 Multi AV Scanner detection for dropped file 15->107 signatures6 process7 file8 51 C:\Windows\SysWOW64\Mbr.exe, PE32 19->51 dropped 53 C:\Windows\SysWOW64\4RFpGVbRBEIkuj1Kqd.vbe, data 19->53 dropped 79 Antivirus detection for dropped file 19->79 81 Multi AV Scanner detection for dropped file 19->81 83 Machine Learning detection for dropped file 19->83 25 wscript.exe 1 19->25         started        28 dControl.exe 4 23->28         started        signatures9 process10 signatures11 93 Windows Scripting host queries suspicious COM object (likely to drop second stage) 25->93 30 cmd.exe 1 25->30         started        33 dControl.exe 5 28->33         started        process12 signatures13 109 Drops executables to the windows directory (C:\Windows) and starts them 30->109 35 Mbr.exe 1 16 30->35         started        39 conhost.exe 30->39         started        process14 file15 55 C:\Windows\System\csrss.exe, PE32 35->55 dropped 57 C:\...\MUjLTjnaphbzWETsIXOZNzrvYUS.exe, PE32 35->57 dropped 59 C:\...\MUjLTjnaphbzWETsIXOZNzrvYUS.exe, PE32 35->59 dropped 61 3 other malicious files 35->61 dropped 85 Antivirus detection for dropped file 35->85 87 Multi AV Scanner detection for dropped file 35->87 89 Machine Learning detection for dropped file 35->89 91 5 other signatures 35->91 41 MUjLTjnaphbzWETsIXOZNzrvYUS.exe 35->41         started        45 schtasks.exe 35->45         started        47 schtasks.exe 35->47         started        49 19 other processes 35->49 signatures16 process17 dnsIp18 69 a0951137.xsph.ru 141.8.192.169, 49730, 49731, 49732 SPRINTHOSTRU Russian Federation 41->69 95 Multi AV Scanner detection for dropped file 41->95 97 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 41->97 99 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 41->99 101 Tries to harvest and steal browser information (history, passwords, etc) 41->101 signatures19
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-05-03 23:33:19 UTC
File Type:
PE (Exe)
Extracted files:
75
AV detection:
36 of 38 (94.74%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat infostealer rat spyware stealer upx
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
AutoIT Executable
Drops file in System32 directory
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
a4efc4f1226a66426dc28084248614190bc64444ac2624d1d5cb55ea09457443
MD5 hash:
25203676ab8bf062368b7179709b3db9
SHA1 hash:
c17b47650d3872da653cc926b577b9e57dd5a918
Detections:
AutoIT_Compiled
SH256 hash:
2bfabc20b89c042309661f5f0204d39aab5e08bda3157fe0966367abfac3d224
MD5 hash:
36377fe77a04fc485e2a89408c0a755c
SHA1 hash:
7e233e67a96145d9e02d1b0813e96beaa074d19b
SH256 hash:
c849031f8576f268c802695c5c6d87a8ba88c4a7abbdd66a6f0582d06eaca41e
MD5 hash:
15fe08f3e2834cc840ccb90234656f2b
SHA1 hash:
08cec1bf0999c2d72a35cabee19ba74d08e483fe
Detections:
DefenderControl INDICATOR_TOOL_PET_DefenderControl DefenderControl
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:AutoIt
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DefenderControl
Author:@bartblaze
Description:Identifies Defender Control, used by attackers to disable Windows Defender.
Reference:https://www.sordum.org/9480/defender-control-v1-8/
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_TOOL_PET_DefenderControl
Author:ditekSHen
Description:Detects Defender Control
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
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:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Author:malware-lu

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetSystemDirectoryA
kernel32.dll::GetTempPathA

Comments