MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8951d8fa63b74c94f6a063e42ad94f5a495da2e8f3a1b9fbf40a0e48f77d561e. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8951d8fa63b74c94f6a063e42ad94f5a495da2e8f3a1b9fbf40a0e48f77d561e
SHA3-384 hash: 8bbe1d4e7e4689e3df965fa29166a2c68b996b88ee4df0a7b40af92ab1e6a25bf1b2cfaceab455728b00e49395510fd3
SHA1 hash: 1b63489cc3f2a38079b1da5d0afbdd61a5cd535d
MD5 hash: 88c4c7bd77a595f0b0b09c8ba78b5061
humanhash: winner-earth-foxtrot-lion
File name:88c4c7bd77a595f0b0b09c8ba78b5061.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'486'596 bytes
First seen:2024-08-21 06:55:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (864 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:u2G/nvxW3WieCl9CwRt8HL7LJXzSmeSaT3VBdcFW2Xx37tOyp+g:ubA3jl0wRt8zJAywypp
Threatray 5 similar samples on MalwareBazaar
TLSH T1AB657B417E44CA21F0591633C2EF490447B4AC906AA6E72B7EBE777D65123A37C0DACB
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 (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://a0929423.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://a0929423.xsph.ru/L1nc0In.php https://threatfox.abuse.ch/ioc/1314115/

Intelligence

File Origin
# of uploads :
1
# of downloads :
382
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
88c4c7bd77a595f0b0b09c8ba78b5061.exe
Verdict:
Malicious activity
Analysis date:
2024-08-21 06:57:33 UTC
Tags:
rat dcrat remote darkcrystal
Link:
https://app.any.run/tasks/b9caf76c-4f8d-4203-9503-dae80bb8a048

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=66c58f85b2a4681a7296695d
Tags:
Encryption Execution Generic Network Other Static Stealth Trojan Variant
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dcrat epmicrosoft_visual_cc fingerprint installer microsoft_visual_cc prometheus sfx
Link:
https://www.filescan.io/uploads/66c58f830b7912dbe110043f/reports/2f6c406f-24eb-432c-b9d8-fe6453fd0e31/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/8951d8fa63b74c94f6a063e42ad94f5a495da2e8f3a1b9fbf40a0e48f77d561e
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/2eee2a2f-1259-4cb4-abeb-d5895682a44f
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1496367
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
Disable Task Manager(disabletaskmgr)
Disables the Windows task manager (taskmgr)
Drops executables to the windows directory (C:\Windows) and starts them
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 signatures2 2 Behavior Graph ID: 1496367 Sample: AD1g9P8f1O.exe Startdate: 21/08/2024 Architecture: WINDOWS Score: 100 60 Found malware configuration 2->60 62 Antivirus detection for dropped file 2->62 64 Antivirus / Scanner detection for submitted sample 2->64 66 11 other signatures 2->66 10 AD1g9P8f1O.exe 3 6 2->10         started        13 YTtMlUNOwMxW.exe 3 2->13         started        16 YTtMlUNOwMxW.exe 2->16         started        process3 file4 48 C:\ComContainerhostSvc\chainweb.exe, PE32 10->48 dropped 50 C:\...\Z7NMnT4fAPzQP7qAmK0j.vbe, data 10->50 dropped 18 wscript.exe 1 10->18         started        82 Antivirus detection for dropped file 13->82 84 Multi AV Scanner detection for dropped file 13->84 86 Machine Learning detection for dropped file 13->86 signatures5 process6 signatures7 68 Windows Scripting host queries suspicious COM object (likely to drop second stage) 18->68 21 cmd.exe 1 18->21         started        process8 process9 23 chainweb.exe 1 10 21->23         started        27 reg.exe 21->27         started        29 conhost.exe 21->29         started        file10 42 C:\Windows\assembly\...\YTtMlUNOwMxW.exe, PE32 23->42 dropped 44 C:\Users\user\Downloads\winlogon.exe, PE32 23->44 dropped 46 C:\Program Files (x86)\...\upfc.exe, PE32 23->46 dropped 70 Antivirus detection for dropped file 23->70 72 Multi AV Scanner detection for dropped file 23->72 74 Machine Learning detection for dropped file 23->74 80 2 other signatures 23->80 31 chainweb.exe 33 23->31         started        76 Disable Task Manager(disabletaskmgr) 27->76 78 Disables the Windows task manager (taskmgr) 27->78 signatures11 process12 file13 52 C:\Windows\Cursors\RuntimeBroker.exe, PE32 31->52 dropped 54 C:\Users\user\Searches\YTtMlUNOwMxW.exe, PE32 31->54 dropped 56 C:\Users\user\...\ApplicationFrameHost.exe, PE32 31->56 dropped 58 12 other malicious files 31->58 dropped 34 schtasks.exe 31->34         started        36 schtasks.exe 31->36         started        38 schtasks.exe 31->38         started        40 16 other processes 31->40 process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8951d8fa63b74c94f6a063e42ad94f5a495da2e8f3a1b9fbf40a0e48f77d561e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8951d8fa63b74c94f6a063e42ad94f5a495da2e8f3a1b9fbf40a0e48f77d561e/
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-08-18 14:22:06 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfi5r6tdw5gjj5vampscvwkpljev3ixi6oq3t67ubiher535kypa._file
Verdict:
malicious
Similar samples:
7ba95476622ca5f8425317a34bbab2b33755bcdb37bb9dcc5d933fc5859ca81f
DCRat
c729d915ac96ff25722e76303e87e67c8ed51f776992724fa89fedbb77fc8a28
DCRat
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat discovery evasion infostealer rat
Link:
https://tria.ge/reports/240821-hqcdksvdpg/
Behaviour
Modifies registry class
Modifies registry key
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
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Disables Task Manager via registry modification
DCRat payload
DcRat
Process spawned unexpected child process
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9f7466e7-4770-4cba-8f89-319d847d51f8
Unpacked files
SH256 hash:
4e7559a9539caf9238081cc71ca062ac4b5cf35c132ab2cff639f96f71878bb6
MD5 hash:
eee2cbc8116cf91009dcd705456753f4
SHA1 hash:
7119a961d3556cb1c912dec91e40b098b6b57f8e
Link:
https://www.unpac.me/results/606716d6-d47f-4ee1-b359-0af58f95bb1c/
SH256 hash:
a6961717611d5e276dc288c7a79e4b53db54326e46ca7b6c516247aaf1539071
MD5 hash:
8372644a8f15ad1bacabfdd948d22c02
SHA1 hash:
590024c7af62c018a8f123b3ee4000da9c76bb57
Link:
https://www.unpac.me/results/606716d6-d47f-4ee1-b359-0af58f95bb1c/
SH256 hash:
7ba95476622ca5f8425317a34bbab2b33755bcdb37bb9dcc5d933fc5859ca81f
MD5 hash:
198ba25ee66096e8560faa512dea17ce
SHA1 hash:
c2eb2e7f10b7d690b83193016f822780a073fcb3
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/606716d6-d47f-4ee1-b359-0af58f95bb1c/
Parent samples :
7ba95476622ca5f8425317a34bbab2b33755bcdb37bb9dcc5d933fc5859ca81f
8951d8fa63b74c94f6a063e42ad94f5a495da2e8f3a1b9fbf40a0e48f77d561e
SH256 hash:
8951d8fa63b74c94f6a063e42ad94f5a495da2e8f3a1b9fbf40a0e48f77d561e
MD5 hash:
88c4c7bd77a595f0b0b09c8ba78b5061
SHA1 hash:
1b63489cc3f2a38079b1da5d0afbdd61a5cd535d
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/606716d6-d47f-4ee1-b359-0af58f95bb1c/
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/8951d8fa63b74c94f6a063e42ad94f5a495da2e8f3a1b9fbf40a0e48f77d561e

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: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

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
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