MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f49d5afa516d56f39663428ff111295df5dbddf2bbe6c64c049c67348cbcedf. 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: 2f49d5afa516d56f39663428ff111295df5dbddf2bbe6c64c049c67348cbcedf
SHA3-384 hash: 3180cb77c79a49e1d55a2c2e18b754533439a37a1dc4499d77dafda4482317482d7c6a565d18dd2bf0899babc094fa6a
SHA1 hash: 685829b39898a12fcddb60625c528885033043a3
MD5 hash: 4f486217bd3e8bef8a8ba6c89f9f4ee3
humanhash: beryllium-colorado-louisiana-pennsylvania
File name:4f486217bd3e8bef8a8ba6c89f9f4ee3.exe
Download: download sample
Signature DCRat
File size:1'164'387 bytes
First seen:2024-08-16 12:50:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (880 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:U2G/nvxW3Ww0t0uNRedfgl+rRBPwFqemEUcg4:UbA3002BKjAq5Q
Threatray 824 similar samples on MalwareBazaar
TLSH T1E24549027E44CA12F0191673C2EF450847B4EC516BA6E72B7EBA776E5512393BC1CACB
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 (882 x DCRat, 479 x NirCmd, 172 x RedLineStealer)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://cg01126.tw1.ru/669c0d4c.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://cg01126.tw1.ru/669c0d4c.php https://threatfox.abuse.ch/ioc/1311776/

Intelligence


File Origin
# of uploads :
1
# of downloads :
413
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
4f486217bd3e8bef8a8ba6c89f9f4ee3.exe
Verdict:
Malicious activity
Analysis date:
2024-08-16 12:50:58 UTC
Tags:
rat dcrat remote darkcrystal stealer netreactor

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 Network Other Static Stealth Trojan Runner
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:
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
C2 URLs / IPs found in malware configuration
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 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: Execution from Suspicious Folder
Sigma detected: Suspicious Program Location with Network Connections
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: 1493850 Sample: SpGLjmw7Mh.exe Startdate: 16/08/2024 Architecture: WINDOWS Score: 100 49 cg01126.tw1.ru 2->49 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 Antivirus detection for URL or domain 2->59 61 14 other signatures 2->61 10 SpGLjmw7Mh.exe 3 6 2->10         started        13 EMwRFQpGqKIQP.exe 2 2->13         started        15 EMwRFQpGqKIQP.exe 3 2->15         started        signatures3 process4 file5 45 C:\ServerDhcp\blockproviderPerf.exe, PE32 10->45 dropped 47 C:\ServerDhcp\AQOMybq.vbe, data 10->47 dropped 17 wscript.exe 1 10->17         started        process6 signatures7 53 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->53 20 cmd.exe 1 17->20         started        process8 process9 22 blockproviderPerf.exe 1 16 20->22         started        26 conhost.exe 20->26         started        file10 37 C:\Windows\...MwRFQpGqKIQP.exe, PE32 22->37 dropped 39 C:\Users\Public\DocumentsMwRFQpGqKIQP.exe, PE32 22->39 dropped 41 C:\Users\Default\...MwRFQpGqKIQP.exe, PE32 22->41 dropped 43 3 other malicious files 22->43 dropped 63 Antivirus detection for dropped file 22->63 65 Multi AV Scanner detection for dropped file 22->65 67 Machine Learning detection for dropped file 22->67 69 3 other signatures 22->69 28 EMwRFQpGqKIQP.exe 22->28         started        31 schtasks.exe 22->31         started        33 schtasks.exe 22->33         started        35 16 other processes 22->35 signatures11 process12 dnsIp13 51 cg01126.tw1.ru 185.114.247.170, 49736, 49737, 49738 TIMEWEB-ASRU Russian Federation 28->51
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Status:
Malicious
First seen:
2024-08-13 14:44:03 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
27 of 38 (71.05%)
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 behavior: GetForegroundWindowSpam
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:
fce441edb227275c5380194cc7a96a95998de6d75cd601b73bce1be529a68bd6
MD5 hash:
73c1c41b9e71c48e752a5cd19fe808b6
SHA1 hash:
b8bd41a0b9dc7baef6eb01dfe6c852afdfaeed18
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
2f49d5afa516d56f39663428ff111295df5dbddf2bbe6c64c049c67348cbcedf
MD5 hash:
4f486217bd3e8bef8a8ba6c89f9f4ee3
SHA1 hash:
685829b39898a12fcddb60625c528885033043a3
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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