MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b31cd6ff73ee1167c0c40bba43ce9b665160383d0c2714986b56bed241c9711a. 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: b31cd6ff73ee1167c0c40bba43ce9b665160383d0c2714986b56bed241c9711a
SHA3-384 hash: df3de719115777d8acb652dddaf3a9eed9921029da6720371fed7db9df422d5ef4d1fa6369c0c76353d069fda4789d7e
SHA1 hash: 3493e2e6fcea69f57bc6009b499daf4c72f3d291
MD5 hash: 320d22e3d94232bf94d984a3f58ff702
humanhash: july-sierra-moon-potato
File name:320d22e3d94232bf94d984a3f58ff702.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'163'420 bytes
First seen:2024-10-06 11:15:34 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:U2G/nvxW3Ww0t+aulBHlTvAX6+DL6wivgiYVK9uE4Jkx:UbA30+ZlBHGxDHgxL8Jc
Threatray 804 similar samples on MalwareBazaar
TLSH T1EF354A017E44CE11F0195233C2EF490447B4AE552AB6E72B7EB9376D66623A37C1CACB
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)
Magika pebin
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://a1022792.xsph.ru/L1nc0In.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://a1022792.xsph.ru/L1nc0In.php https://threatfox.abuse.ch/ioc/1334290/

Intelligence

File Origin
# of uploads :
1
# of downloads :
475
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
320d22e3d94232bf94d984a3f58ff702.exe
Verdict:
Malicious activity
Analysis date:
2024-10-06 11:18:01 UTC
Tags:
pastebin rat dcrat remote darkcrystal netreactor
Link:
https://app.any.run/tasks/16609a6b-1eb1-4fad-b7fa-99a97f5adb81

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.Trojan.Uztuby-9855059-0
Create hunting rule

Win.Ransomware.Clinix-9868408-0
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=67027174ebeac9e68050efb8
Tags:
Powershell Autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd cscript dcrat epmicrosoft_visual_cc explorer fingerprint installer lolbin microsoft_visual_cc overlay packed schtasks setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/67027172fbee69f7f550614e/reports/670c341d-16c4-49f5-bbb2-ad73655a94fb/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b31cd6ff73ee1167c0c40bba43ce9b665160383d0c2714986b56bed241c9711a
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/dfef4fe0-0c53-45b3-9620-be5e798fbeb5
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1526605
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
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: 1526605 Sample: Ym9pCkdQCN.exe Startdate: 06/10/2024 Architecture: WINDOWS Score: 100 48 206.23.85.13.in-addr.arpa 2->48 52 Found malware configuration 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 10 other signatures 2->58 10 Ym9pCkdQCN.exe 3 6 2->10         started        13 rxlSpmEkQUyDvxlFic.exe 3 2->13         started        15 rxlSpmEkQUyDvxlFic.exe 2->15         started        signatures3 process4 file5 44 C:\driverruntimeperfCommon\sessioncrt.exe, PE32 10->44 dropped 46 C:\...\APcholoL7ETBvvAkO3nQrcw9B.vbe, data 10->46 dropped 17 wscript.exe 1 10->17         started        process6 signatures7 50 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->50 20 cmd.exe 1 17->20         started        process8 process9 22 sessioncrt.exe 1 32 20->22         started        26 conhost.exe 20->26         started        file10 36 C:\driverruntimeperfCommon\wininit.exe, PE32 22->36 dropped 38 C:\...\rxlSpmEkQUyDvxlFic.exe, PE32 22->38 dropped 40 C:\driverruntimeperfCommon\dllhost.exe, PE32 22->40 dropped 42 11 other malicious files 22->42 dropped 60 Antivirus detection for dropped file 22->60 62 Multi AV Scanner detection for dropped file 22->62 64 Machine Learning detection for dropped file 22->64 66 4 other signatures 22->66 28 schtasks.exe 22->28         started        30 schtasks.exe 22->30         started        32 schtasks.exe 22->32         started        34 29 other processes 22->34 signatures11 process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b31cd6ff73ee1167c0c40bba43ce9b665160383d0c2714986b56bed241c9711a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b31cd6ff73ee1167c0c40bba43ce9b665160383d0c2714986b56bed241c9711a/
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-10-03 14:26:19 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmonn73t5yiwpqgebo5ehtu3mziwaob5bqtrjgdlk27neqojoena._file
Verdict:
malicious
Label(s):
dcrat
Create hunting rule
Similar samples:
284f083103d1c160d9e4721ecce515646ce451a1b7ddf9dd89817904e21a4a2d
DCRat
b61b1c4320db7f1ac101de2b059636b51896c2b2fae336febd59b62a2947a7fd
DCRat
d297f9df259ef55fa220e34eab0a5dfdfad7909775a7b04c09f3292627abf808
DCRat
error
DCRat
fad9c2f147e0559c2f483f0643c01a0120710b07b15e9c9773d6eab00f15e289
DCRat
+ 794 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat discovery infostealer rat
Link:
https://tria.ge/reports/241006-nc45bsvhja/
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
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
DCRat payload
DcRat
Process spawned unexpected child process
Verdict:
Malicious
Tags:
rat dcrat
YARA:
MAL_EXE_DCRat_Jul_08_2
Link:
https://app.threat.zone/submission/d44e9697-b16d-48e6-8419-e945801a5cb8
Unpacked files
SH256 hash:
70fabb0762aef63bc896af593821ffd3e37a3a9b6fa4e5492ea3e0525dd4f880
MD5 hash:
3bb547f1542863e0a6e80e2c6f330c0c
SHA1 hash:
8460779eb426ac7d14669c82b7752ece0b2e980a
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8ac93121-ad77-4ec0-8d3f-75d0a6ba0e48/
SH256 hash:
b31cd6ff73ee1167c0c40bba43ce9b665160383d0c2714986b56bed241c9711a
MD5 hash:
320d22e3d94232bf94d984a3f58ff702
SHA1 hash:
3493e2e6fcea69f57bc6009b499daf4c72f3d291
Detections:
win_xorist_auto
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8ac93121-ad77-4ec0-8d3f-75d0a6ba0e48/
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/b31cd6ff73ee1167c0c40bba43ce9b665160383d0c2714986b56bed241c9711a

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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: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.

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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