MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af23c349efcf3595bffd59c6104cd6d1f2026b0a300d85fb2fe0e0248448bf5f. 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: 12


Intelligence 12 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af23c349efcf3595bffd59c6104cd6d1f2026b0a300d85fb2fe0e0248448bf5f
SHA3-384 hash: 033652180942133eab0e9573120f79167e800baa8377c40dacf71bf1cc2d7168dcda646cf2753d0b548b38c87d2c235a
SHA1 hash: 3af0c38ae1370a80b748a2abc4bc37d2f42a843c
MD5 hash: a1cd1cc2f2155222328051820f31886e
humanhash: massachusetts-massachusetts-spring-coffee
File name:af23c349efcf3595bffd59c6104cd6d1f2026b0a300d85fb2fe0e0248448bf5f
Download: download sample
Signature LummaStealer
Create hunting rule
File size:13'036'984 bytes
First seen:2024-08-02 09:11:52 UTC
Last seen:2024-09-03 14:16:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 40ab50289f7ef5fae60801f88d4541fc (59 x ValleyRAT, 49 x Gh0stRAT, 41 x OffLoader)
ssdeep 393216:vdtAFtHITkxEcrqN31gn/2CuuegmdBXpEXjGD6ApgMyx708OK:qHekxi8x
TLSH T13ED69B11A7D34469F0B2463555BDE0B099BB6D629D638D0A35DC3E4F3F380E688B9B23
TrID 45.4% (.EXE) Inno Setup installer (107240/4/30)
24.3% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
17.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
4.4% (.EXE) Win64 Executable (generic) (10523/12/4)
2.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon e9e2eae6b696c6ec (11 x LummaStealer, 4 x Vidar, 2 x FickerStealer)
Reporter adrian__luca
Tags:exe LummaStealer

Intelligence

File Origin
# of uploads :
3
# of downloads :
323
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://mega.nz/file/NF5D0C5Y#7JzLZGkpS5PEGFacTzzL1B_Y5gF-ZF2k6w8SjJkMAXA
Verdict:
Malicious activity
Analysis date:
2024-07-26 19:41:06 UTC
Tags:
lumma stealer
Link:
https://app.any.run/tasks/c640a986-a554-4401-8de8-697c7f8ca117

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66aca2e8037b02d0daed13d7
Tags:
Execution Generic Network Stealth Trojan Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Moving a recently created file
Moving a file to the %temp% subdirectory
Creating a file in the %AppData% subdirectories
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/grayware_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/af23c349efcf3595bffd59c6104cd6d1f2026b0a300d85fb2fe0e0248448bf5f
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/1404ed42-e832-44bb-bcd2-6d64bf809fad
Result
Threat name:
LummaC
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1486763
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
LummaC encrypted strings found
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1486763 Sample: QvbimOZ2Ww.exe Startdate: 02/08/2024 Architecture: WINDOWS Score: 100 88 Found malware configuration 2->88 90 Antivirus detection for URL or domain 2->90 92 Antivirus detection for dropped file 2->92 94 6 other signatures 2->94 13 QvbimOZ2Ww.exe 2 2->13         started        process3 file4 86 C:\Users\user\AppData\...\QvbimOZ2Ww.tmp, PE32 13->86 dropped 16 QvbimOZ2Ww.tmp 3 5 13->16         started        process5 file6 52 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 16->52 dropped 54 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 16->54 dropped 19 QvbimOZ2Ww.exe 2 16->19         started        process7 file8 58 C:\Users\user\AppData\...\QvbimOZ2Ww.tmp, PE32 19->58 dropped 22 QvbimOZ2Ww.tmp 5 8 19->22         started        process9 file10 60 C:\Users\user\AppData\Local\...\is-8SVG5.tmp, PE32 22->60 dropped 62 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 22->62 dropped 64 C:\Users\user\...\DuetUpdater.exe (copy), PE32 22->64 dropped 66 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 22->66 dropped 25 SendBugReportNew.exe 7 22->25         started        29 DuetUpdater.exe 8 22->29         started        31 conhost.exe 22->31         started        process11 file12 70 C:\Users\user\AppData\Roaming\...\vclx120.bpl, PE32 25->70 dropped 72 C:\Users\user\AppData\Roaming\...\vcl120.bpl, PE32 25->72 dropped 74 C:\Users\user\AppData\Roaming\...\rtl120.bpl, PE32 25->74 dropped 76 C:\Users\user\...\SendBugReportNew.exe, PE32 25->76 dropped 110 Switches to a custom stack to bypass stack traces 25->110 112 Found direct / indirect Syscall (likely to bypass EDR) 25->112 33 SendBugReportNew.exe 3 25->33         started        78 C:\Users\user\AppData\Local\...\vclx120.bpl, PE32 29->78 dropped 80 C:\Users\user\AppData\Local\...\vcl120.bpl, PE32 29->80 dropped 82 C:\Users\user\AppData\Local\...\rtl120.bpl, PE32 29->82 dropped 84 C:\Users\user\...\SendBugReportNew.exe, PE32 29->84 dropped 37 conhost.exe 29->37         started        signatures13 process14 file15 56 C:\Users\user\AppData\Roaming\...\StrCmp.exe, PE32 33->56 dropped 96 Maps a DLL or memory area into another process 33->96 98 Switches to a custom stack to bypass stack traces 33->98 100 Found direct / indirect Syscall (likely to bypass EDR) 33->100 39 more.com 2 33->39         started        43 StrCmp.exe 37 33->43         started        signatures16 process17 file18 68 C:\Users\user\AppData\Local\...\tlprcrhfkrft, PE32 39->68 dropped 102 Writes to foreign memory regions 39->102 104 Found hidden mapped module (file has been removed from disk) 39->104 106 Switches to a custom stack to bypass stack traces 39->106 108 LummaC encrypted strings found 39->108 45 SearchIndexer.exe 39->45         started        48 conhost.exe 39->48         started        signatures19 process20 signatures21 114 Switches to a custom stack to bypass stack traces 45->114 50 WerFault.exe 22 16 45->50         started        process22
Score:
8%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/af23c349efcf3595bffd59c6104cd6d1f2026b0a300d85fb2fe0e0248448bf5f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af23c349efcf3595bffd59c6104cd6d1f2026b0a300d85fb2fe0e0248448bf5f/
Threat name:
Win32.Spyware.Lummastealer
Create hunting rule
Status:
Suspicious
First seen:
2024-07-25 16:00:38 UTC
File Type:
PE (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v4r4gsppz42zlp75lhdbatgw2hzae2ykgagyl6zp4dqcjbcix5pq._file
Verdict:
malicious
Result
Malware family:
lumma
Create hunting rule
Score:
  10/10
Tags:
family:lumma discovery stealer
Link:
https://tria.ge/reports/240802-k56xvatfnm/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Lumma Stealer, LummaC
Malware Config
C2 Extraction:
https://advertisedszp.shop/api
https://horizonvxjis.shop/api
https://effectivedoxzj.shop/api
https://parntorpkxzlp.shop/api
https://stimultaionsppzv.shop/api
https://grassytaisol.shop/api
https://broccoltisop.shop/api
https://shellfyyousdjz.shop/api
https://bravedreacisopm.shop/api
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e5af8c2a-262d-4a24-aa63-a480b14b3f8c
Unpacked files
SH256 hash:
ea85560fa2faab0caacd28cd5e190d245893e8e554f7328435fb97b45c96f9f3
MD5 hash:
7c7c650efbdf3a68eb6ce55024e9154f
SHA1 hash:
c96b2b5b2b6527a90b321875baadf6865649bbb5
Link:
https://www.unpac.me/results/a586f1af-70c8-4e0d-a539-406cf5312ee2/
SH256 hash:
af23c349efcf3595bffd59c6104cd6d1f2026b0a300d85fb2fe0e0248448bf5f
MD5 hash:
a1cd1cc2f2155222328051820f31886e
SHA1 hash:
3af0c38ae1370a80b748a2abc4bc37d2f42a843c
Link:
https://www.unpac.me/results/a586f1af-70c8-4e0d-a539-406cf5312ee2/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:html_auto_download_b64
Create hunting rule
Author:Tdawg
Description:html auto download
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

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
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::ConvertSidToStringSidW
advapi32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
advapi32.dll::EqualSid
advapi32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
advapi32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
advapi32.dll::OpenThreadToken
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetDriveTypeW
kernel32.dll::GetVolumeInformationW
kernel32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
kernel32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageW
user32.dll::CreateWindowExW

Comments