MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9
SHA3-384 hash: 7d43af6b820000af3b7830043e44ddc5f9f640c6f8aca086bb89b1a28ede26508e762674377f79d69a3f9557ea8d883b
SHA1 hash: fb404a7a85d5fb617436f73832e4716556756d6a
MD5 hash: 289f27e7a02f8e76ebf39d2c0c3f09e4
humanhash: lima-alaska-fanta-twenty
File name:289f27e7a02f8e76ebf39d2c0c3f09e4.bin
Download: download sample
Signature DCRat
Create hunting rule
File size:1'939'559 bytes
First seen:2024-06-23 04:52:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b1c5b1beabd90d9fdabd1df0779ea832 (11 x CoinMiner, 10 x QuasarRAT, 8 x AsyncRAT)
ssdeep 24576:KuDXTIGaPhEYzUzA0Dz46fMR/6Y/M3pPux8KVzVvu9JDcEL0NLpgjdyWhPOePTnK:9Djlabwz9PHMf/M3BuxbzuDQyBPXam0H
TLSH T1E2950209F39508F8D0F6E2788956C973E7757C4A03619A8F23E56D673E37360AE2A311
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter nickkuechel
Tags:DCRat exe lumma

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://ck66916.tw1.ru/L1nc0In.php https://threatfox.abuse.ch/ioc/1287947/

Intelligence

File Origin
# of uploads :
1
# of downloads :
464
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9.exe
Verdict:
Malicious activity
Analysis date:
2024-06-23 04:54:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/32a1d512-9845-4956-8bb5-2e050ac40ae8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Bladabindi-10017056-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6677aa2f2321b2855acdb8aawin7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Other Static Stealth Heur Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Running batch commands
Launching a process
Creating a file
Launching cmd.exe command interpreter
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Forced shutdown of a system process
Unauthorized injection to a recently created process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cacls.exe fingerprint installer lolbin masquerade microsoft_visual_cc overlay packed packed powershell setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/6677aa2f6b8dba248b44507e/reports/ef6aa4b6-146b-4cb1-9178-ed199f3f91b7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9
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.
Malware family:
Dark Crystal RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3de92b24-a603-4a29-a94e-b7d18d76d05d
Result
Threat name:
LummaC, DCRat, LummaC Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1461211
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Creates an undocumented autostart registry key
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected DCRat
Yara detected Generic Downloader
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1461211 Sample: bFZYRLnRIz.exe Startdate: 23/06/2024 Architecture: WINDOWS Score: 100 57 ck66916.tw1.ru 2->57 59 backcreammykiel.shop 2->59 61 ipinfo.io 2->61 83 Snort IDS alert for network traffic 2->83 85 Multi AV Scanner detection for domain / URL 2->85 87 Found malware configuration 2->87 89 16 other signatures 2->89 10 bFZYRLnRIz.exe 13 2->10         started        signatures3 process4 file5 41 C:\Users\user\AppData\Local\...\Loader.exe, PE32 10->41 dropped 43 C:\Users\user\AppData\...\572stuOQ0pZG2Xj.exe, PE32+ 10->43 dropped 45 C:\Users\user\AppData\...\vO7REz65fRBWcJa.vbs, ASCII 10->45 dropped 47 C:\Users\user\...\AntiCheatBypasss.bat, Unicode 10->47 dropped 13 cmd.exe 1 10->13         started        process6 signatures7 103 Uses cmd line tools excessively to alter registry or file data 13->103 105 Adds a directory exclusion to Windows Defender 13->105 16 cmd.exe 3 2 13->16         started        19 conhost.exe 13->19         started        21 cacls.exe 1 13->21         started        process8 signatures9 63 Uses cmd line tools excessively to alter registry or file data 16->63 65 Adds a directory exclusion to Windows Defender 16->65 23 Loader.exe 16->23         started        26 572stuOQ0pZG2Xj.exe 5 16->26         started        29 powershell.exe 23 16->29         started        31 5 other processes 16->31 process10 file11 91 Multi AV Scanner detection for dropped file 23->91 93 Machine Learning detection for dropped file 23->93 95 Contains functionality to inject code into remote processes 23->95 101 3 other signatures 23->101 33 RegAsm.exe 23->33         started        49 C:\ProgramData\...\Bypass.exe, PE32 26->49 dropped 37 Bypass.exe 26->37         started        97 Loading BitLocker PowerShell Module 29->97 39 WmiPrvSE.exe 29->39         started        99 Creates an undocumented autostart registry key 31->99 signatures12 process13 dnsIp14 51 backcreammykiel.shop 104.21.90.18, 443, 49731, 49732 CLOUDFLARENETUS United States 33->51 67 Query firmware table information (likely to detect VMs) 33->67 69 Found many strings related to Crypto-Wallets (likely being stolen) 33->69 71 Tries to harvest and steal ftp login credentials 33->71 73 Tries to steal Crypto Currency Wallets 33->73 53 ck66916.tw1.ru 92.53.96.121, 49741, 49745, 49748 TIMEWEB-ASRU Russian Federation 37->53 55 ipinfo.io 34.117.186.192, 443, 49744 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 37->55 75 Antivirus detection for dropped file 37->75 77 Multi AV Scanner detection for dropped file 37->77 79 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 37->79 81 3 other signatures 37->81 signatures15
Score:
87%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9/
Threat name:
Win64.Spyware.Lummastealer
Create hunting rule
Status:
Malicious
First seen:
2024-06-21 23:04:57 UTC
File Type:
PE+ (Exe)
Extracted files:
29
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qvgsm6xkgpunzaacdlaehmadvn6g7gigdzlogzlszorvjdtiqleq._file
Verdict:
malicious
Result
Malware family:
lumma
Create hunting rule
Score:
  10/10
Tags:
family:dcrat family:lumma execution infostealer persistence rat spyware stealer
Link:
https://tria.ge/reports/240623-fhywhazhqg/
Behaviour
Modifies registry class
Modifies system certificate store
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
DCRat payload
DcRat
Lumma Stealer
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
https://backcreammykiel.shop/api
https://publicitycharetew.shop/api
https://computerexcudesp.shop/api
https://leafcalfconflcitw.shop/api
https://injurypiggyoewirog.shop/api
https://bargainnygroandjwk.shop/api
https://disappointcredisotw.shop/api
https://doughtdrillyksow.shop/api
https://facilitycoursedw.shop/api
Unpacked files
SH256 hash:
8cf7a779191a6b146749de10a52303201d4c72621f04d1336d51f400256d662e
MD5 hash:
93e99fb34ac2cd9d6e867e24dcafb2ab
SHA1 hash:
c6ee148abc972494c2912e68534512160372f4a6
Detections:
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
MALWARE_Win_DCRat
Create hunting rule
Link:
https://www.unpac.me/results/4b637a8d-45f8-4be8-b1f0-dddca1d879a8/
SH256 hash:
37493d6b5fd0f186bb2e70edfafe91f28b43938293965461a7eefb5cca4c36bf
MD5 hash:
43af303e1f32ce8c477abbfb07887ea2
SHA1 hash:
c69b0f73b6219d05cec8258c445af5f39d3313c9
Link:
https://www.unpac.me/results/4b637a8d-45f8-4be8-b1f0-dddca1d879a8/
SH256 hash:
0021b20ecb3a2d562118bae38f00d1bdffc8facda49c8e1d1995966e1cd7957c
MD5 hash:
b6c3c00d7cf6d8d13f20dbc590a675ad
SHA1 hash:
a36e5c3c94f7abe3cbdfd3418e3ae03e66aa5323
Link:
https://www.unpac.me/results/4b637a8d-45f8-4be8-b1f0-dddca1d879a8/
SH256 hash:
854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9
MD5 hash:
289f27e7a02f8e76ebf39d2c0c3f09e4
SHA1 hash:
fb404a7a85d5fb617436f73832e4716556756d6a
Link:
https://www.unpac.me/results/4b637a8d-45f8-4be8-b1f0-dddca1d879a8/
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/854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9

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: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 (FORCE_INTEGRITY)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