MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4ab048f183a7269468b0cb8509668831e3d8f816e1be3162a0734c83c488c97. 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: 16


Intelligence 16 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4ab048f183a7269468b0cb8509668831e3d8f816e1be3162a0734c83c488c97
SHA3-384 hash: a593fccf9dd03b0c40c34e97227aa9997e9805fb316c2226222e816b0ff9a242e6f1107ad5d1eb8e98c6dcb6d8788127
SHA1 hash: 196c898abee483229f61342ac1f8248677f833da
MD5 hash: 829cab70d17eaedeabe77c32154d11f2
humanhash: victor-glucose-pasta-sad
File name:TRX2.0.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'165'406 bytes
First seen:2024-07-04 15:41:14 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:Y2G/nvxW3W4kqExbb2uM2bowf751JKeqkTsRPns:YbA34qQUwf75bz
Threatray 398 similar samples on MalwareBazaar
TLSH T1CC4549017E44CA11F0191633C2EF859457B4ED60AAA6E31B7EF93B6E65123933C1DACB
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter nickkuechel
Tags:DCRat exe

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://a0999723.xsph.ru/40db11be.php https://threatfox.abuse.ch/ioc/1294757/

Intelligence

File Origin
# of uploads :
1
# of downloads :
364
Origin country :
US US
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
TRX2.0.exe
Verdict:
Malicious activity
Analysis date:
2024-07-04 08:46:57 UTC
Tags:
dcrat netreactor rat remote darkcrystal
Link:
https://app.any.run/tasks/97656758-f9a3-480d-9daa-66eb4c51dacb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.VBS.Encrypted.Gen.UNOFFICIAL
Create hunting rule

Win.Packed.Msilmamut-9950860-0
Create hunting rule

Win.Packed.Uztuby-9963900-0
Create hunting rule

Win.Packed.Uztuby-9969968-0
Create hunting rule

Win.Malware.Uztuby-9972880-0
Create hunting rule

Win.Trojan.DarkKomet-9976180-0
Create hunting rule

Win.Trojan.Uztuby-10010740-0
Create hunting rule

SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6686c3721005591c3c2e95f0win10vpnfull_triage
Tags:
Encryption Execution Generic Network Other Static Stealth Trojan Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Program Files subdirectories
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
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Link:
https://www.hybrid-analysis.com/sample/f4ab048f183a7269468b0cb8509668831e3d8f816e1be3162a0734c83c488c97
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b74780ef-59a3-4db5-9d53-d418a8a0d58f
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1467757
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 an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops executable to a common third party application directory
Drops PE files with benign system names
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
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Schedule system process
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1467757 Sample: TRX2.0.exe Startdate: 04/07/2024 Architecture: WINDOWS Score: 100 50 a0999723.xsph.ru 2->50 52 Found malware configuration 2->52 54 Antivirus detection for URL or domain 2->54 56 Antivirus detection for dropped file 2->56 58 12 other signatures 2->58 10 TRX2.0.exe 3 6 2->10         started        13 ctfmon.exe 2 2->13         started        15 ctfmon.exe 2->15         started        17 2 other processes 2->17 signatures3 process4 file5 46 C:\intobroker\componentfontnet.exe, PE32 10->46 dropped 48 C:\intobroker\osry78APVO.vbe, data 10->48 dropped 19 wscript.exe 1 10->19         started        process6 signatures7 60 Windows Scripting host queries suspicious COM object (likely to drop second stage) 19->60 22 cmd.exe 1 19->22         started        process8 process9 24 componentfontnet.exe 12 36 22->24         started        28 conhost.exe 22->28         started        file10 38 C:\intobroker\conhost.exe, PE32 24->38 dropped 40 C:\intobroker\YmnvrNFgpHpkFCIJ.exe, PE32 24->40 dropped 42 C:\intobroker\Memory Compression.exe, PE32 24->42 dropped 44 13 other malicious files 24->44 dropped 62 Antivirus detection for dropped file 24->62 64 Multi AV Scanner detection for dropped file 24->64 66 Creates an undocumented autostart registry key 24->66 68 7 other signatures 24->68 30 schtasks.exe 24->30         started        32 schtasks.exe 24->32         started        34 schtasks.exe 24->34         started        36 29 other processes 24->36 signatures11 process12
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f4ab048f183a7269468b0cb8509668831e3d8f816e1be3162a0734c83c488c97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4ab048f183a7269468b0cb8509668831e3d8f816e1be3162a0734c83c488c97/
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-06-26 21:16:00 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6svqjdyyhjzgsrulbs4fbftiqmpd3d4bnyn6gfrka42mqpcirslq._file
Verdict:
malicious
Similar samples:
2f9bf1b8e047c1fa8ec80deccb3e9b575aaf5247f23c0fea81157b8b995562c9
DCRat
5455ab06af6d8592c4b197b724301336c3d93e41e3334efa86ea27ea2a622c81
DCRat
658b0a01404144b5da03574e2a05b6c02030baa2276b9e047174c6ccb3e8918d
DCRat
db317d9b98732a50a4270d412236f94ccd5ec868f9fd2d8ec3d7937cfcbe6671
DCRat
+ 388 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer persistence rat
Link:
https://tria.ge/reports/240704-s5bqps1bnc/
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
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
DCRat payload
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1ad0579d-777c-4fbb-9d56-2285dfb74ad2
Unpacked files
SH256 hash:
32e448e205263af7253fdb66af9e2349e18a6054c9a1d27e8c5264840ba1559e
MD5 hash:
0496185a6219652c72da3dc493b35853
SHA1 hash:
9060775977b6a917f8d513521ad1a327342d0eab
Link:
https://www.unpac.me/results/cf1b3172-a2e7-4562-83ba-f6621ecad170/
SH256 hash:
f4ab048f183a7269468b0cb8509668831e3d8f816e1be3162a0734c83c488c97
MD5 hash:
829cab70d17eaedeabe77c32154d11f2
SHA1 hash:
196c898abee483229f61342ac1f8248677f833da
Detections:
win_xorist_auto
Create hunting rule
Link:
https://www.unpac.me/results/cf1b3172-a2e7-4562-83ba-f6621ecad170/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f4ab048f183a7269468b0cb8509668831e3d8f816e1be3162a0734c83c488c97

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:win_xorist_auto
Create hunting rule
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.

Web download

DCRat

Executable exe f4ab048f183a7269468b0cb8509668831e3d8f816e1be3162a0734c83c488c97

(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
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)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