MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 685f3cc81518e0feccc03f7596b6f13a2f1e5342995bd5acaf6e3eb4936889c0. 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


LummaStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 685f3cc81518e0feccc03f7596b6f13a2f1e5342995bd5acaf6e3eb4936889c0
SHA3-384 hash: 4232353ddbeb952783b9692f8074e0bf6e5e9f552b93ef7ee2da55d0226724f3351314ddac487a7c8023ab272972aaed
SHA1 hash: 91c907fde2b89caddeabababd17e383a55b6db56
MD5 hash: 9157a0df4966b25e45271e8010de96f7
humanhash: spaghetti-pasta-nine-wolfram
File name:file
Download: download sample
Signature LummaStealer
Create hunting rule
File size:9'395'200 bytes
First seen:2024-08-27 16:32:36 UTC
Last seen:2024-08-27 17:34:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1aae8bf580c846f39c71c05898e57e88 (131 x LummaStealer, 11 x ValleyRAT, 9 x Stealc)
ssdeep 98304:5ZMf83VHCmQQj4JZA32G0eCGsn8WVYKJ8BBQA:283LO6uBnrc
TLSH T11B962900FACB45F5E9031934809BA23F27345E058B29DB9BFB54BB6AF8776D10937249
TrID 39.5% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 787ce6eecc30b0e2 (2 x LummaStealer)
Reporter Bitsight
Tags:exe LummaStealer


Avatar
Bitsight
url: http://147.45.44.104/revada/66cdff2bded74_Update.exe#update

Intelligence

File Origin
# of uploads :
2
# of downloads :
377
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
https://cinurl.com/2sMsnG
Verdict:
Malicious activity
Analysis date:
2024-08-27 16:32:40 UTC
Tags:
evasion privateloader stealer loader stealc themida vidar netreactor amadey
Link:
https://app.any.run/tasks/e12aa2c3-bf95-4c00-84a2-450f2def6674

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.30425.13920.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66cdffc4246b0f0e8b9cbd21
Tags:
Generic Network Stealth Agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Launching a process
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
golang packed
Link:
https://www.filescan.io/uploads/66cdffc969e831fcce7f5379/reports/37bcaaec-3abc-4be7-8d8d-6c280f7a2d38/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/685f3cc81518e0feccc03f7596b6f13a2f1e5342995bd5acaf6e3eb4936889c0
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/370dcfd1-da1a-4233-8c55-b6fb91193d62
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1499969
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Creates autostart registry keys with suspicious names
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1499969 Sample: file.exe Startdate: 27/08/2024 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Sigma detected: New RUN Key Pointing to Suspicious Folder 2->38 40 3 other signatures 2->40 7 file.exe 1 1 2->7         started        11 (9157a0df4966b25e45271e8010de96f7)file.exe 2->11         started        13 (9157a0df4966b25e45271e8010de96f7)file.exe 2->13         started        15 2 other processes 2->15 process3 file4 30 (9157a0df4966b25e4...8010de96f7)file.exe, PE32 7->30 dropped 42 Creates autostart registry keys with suspicious names 7->42 44 Writes to foreign memory regions 7->44 46 Allocates memory in foreign processes 7->46 17 BitLockerToGo.exe 1 7->17         started        48 Injects a PE file into a foreign processes 11->48 20 BitLockerToGo.exe 1 11->20         started        22 BitLockerToGo.exe 1 13->22         started        50 Multi AV Scanner detection for dropped file 15->50 52 Machine Learning detection for dropped file 15->52 signatures5 process6 dnsIp7 32 147.45.44.168, 3030, 49704, 49711 FREE-NET-ASFREEnetEU Russian Federation 17->32 24 conhost.exe 17->24         started        26 conhost.exe 20->26         started        28 conhost.exe 22->28         started        process8
Score:
65%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/685f3cc81518e0feccc03f7596b6f13a2f1e5342995bd5acaf6e3eb4936889c0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/685f3cc81518e0feccc03f7596b6f13a2f1e5342995bd5acaf6e3eb4936889c0/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nbptzsavddqp5tgah52znnxrhixr4u2ctfn5llfpny7lje3irhaa._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/240827-t2hwaasbln/
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
685f3cc81518e0feccc03f7596b6f13a2f1e5342995bd5acaf6e3eb4936889c0
MD5 hash:
9157a0df4966b25e45271e8010de96f7
SHA1 hash:
91c907fde2b89caddeabababd17e383a55b6db56
Link:
https://www.unpac.me/results/5d433fb4-b1ab-4cdc-b7c5-11ecf798ed57/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/685f3cc81518/report/overview.html
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/685f3cc81518e0feccc03f7596b6f13a2f1e5342995bd5acaf6e3eb4936889c0

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:Borland
Create hunting rule
Author:malware-lu
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

LummaStealer

Executable exe 685f3cc81518e0feccc03f7596b6f13a2f1e5342995bd5acaf6e3eb4936889c0

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3084900/
  
URLhaus
https://urlhaus.abuse.ch/url/2923981/
  
URLhaus
https://urlhaus.abuse.ch/url/3131106/

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
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryExW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::GetSystemDirectoryA

Comments