MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8321fa59fc7b3285732e5534eb9d3af4dd4e96d7c6b8bcf84e76768a907c4df. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: b8321fa59fc7b3285732e5534eb9d3af4dd4e96d7c6b8bcf84e76768a907c4df
SHA3-384 hash: 2b94c99c3302899cc3753446e8da42166ba8a90a56258cf3924af2badb4d9e9ca62d20d5ccbbbc3c7aeb4808903da60e
SHA1 hash: 4e41bd37858af91d6e70ae34bd90b0262e2a0a67
MD5 hash: eb0830efaf21e7e426eb602118f70c62
humanhash: whiskey-hamper-foxtrot-tango
File name:file
Download: download sample
Signature LummaStealer
File size:3'336'840 bytes
First seen:2024-08-27 22:35:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f6baa5eaa8231d4fe8e922a2e6d240ea (36 x CoinMiner, 22 x DCRat, 15 x LummaStealer)
ssdeep 98304:5G5sHKwyfyvX9TQHk1tfMiXC9A5MKeC4HkKActX9xo:5G+IavXaHCtPXCMF4PtNu
TLSH T1E6F533123BF850F1E1736B70688463145AFDE66B1F59C9CB8FA005434D29BC6B63ABC9
TrID 38.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
24.6% (.EXE) Win64 Executable (generic) (10523/12/4)
11.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.5% (.EXE) Win32 Executable (generic) (4504/4/1)
4.7% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon fc8c8cb8b4a4b498 (1 x LummaStealer)
Reporter Bitsight
Tags:exe LummaStealer signed

Code Signing Certificate

Organisation:INTER COMPANY
Issuer:INTER COMPANY
Algorithm:sha256WithRSAEncryption
Valid from:2024-08-27T00:00:00Z
Valid to:2026-08-27T00:00:00Z
Serial number: 45988c9e5115f369
Intelligence: 2 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: b6a4608897a53ec7c380e78e9ec26c27a6d45fa9aba478afccc2fdf96532a59d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://147.45.44.104/yuop/66ce1679b8344_Main.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
382
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-27 22:37:41 UTC
Tags:
stealer loader xmrig pastebin susp-powershell

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Encryption Execution Generic Network Static Stealth Trojan Redcap
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Moving a file to the %temp% subdirectory
Creating a process from a recently created file
Replacing files
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint hook installer keylogger lolbin microsoft_visual_cc overlay packed redcap shell32
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Contains functionality to register a low level keyboard hook
Drops password protected ZIP file
Found malware configuration
Injects a PE file into a foreign processes
LummaC encrypted strings found
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1500169 Sample: file.exe Startdate: 28/08/2024 Architecture: WINDOWS Score: 100 40 locatedblsoqp.shop 2->40 42 awwardwiqi.shop 2->42 44 joxi.net 2->44 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Antivirus detection for URL or domain 2->60 62 6 other signatures 2->62 10 file.exe 8 2->10         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\...\7z.exe, PE32+ 10->34 dropped 36 C:\Users\user\AppData\Local\Temp\...\7z.dll, PE32+ 10->36 dropped 64 Contains functionality to register a low level keyboard hook 10->64 14 cmd.exe 2 10->14         started        signatures6 process7 process8 16 VqWCu47ZmpWwk3BMjc3JRpWcUlwcupf9XAenB.exe 13 14->16         started        20 7z.exe 2 14->20         started        23 7z.exe 3 14->23         started        25 6 other processes 14->25 dnsIp9 38 joxi.net 188.114.97.3, 49710, 80 CLOUDFLARENETUS European Union 16->38 48 Writes to foreign memory regions 16->48 50 Allocates memory in foreign processes 16->50 52 Injects a PE file into a foreign processes 16->52 54 2 other signatures 16->54 27 RegSvcs.exe 16->27         started        32 VqWCu47ZmpWwk3BMjc...WcUlwcupf9XAenB.exe, PE32 20->32 dropped file10 signatures11 process12 dnsIp13 46 awwardwiqi.shop 188.114.96.3, 443, 49711, 49712 CLOUDFLARENETUS European Union 27->46 30 WerFault.exe 22 16 27->30         started        process14
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:lumma discovery stealer
Behaviour
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Lumma Stealer, LummaC
Malware Config
C2 Extraction:
https://awwardwiqi.shop/api
https://locatedblsoqp.shop/api
Unpacked files
SH256 hash:
1bb59781855b41edea1c3b6c28b3465ca3e02d878cae22781b06f4931c6e6247
MD5 hash:
951acc61e573f4e3b2ba8d722bdc9706
SHA1 hash:
596f697708d1b93fd073b5a8931e35d9d3c426d4
SH256 hash:
b8321fa59fc7b3285732e5534eb9d3af4dd4e96d7c6b8bcf84e76768a907c4df
MD5 hash:
eb0830efaf21e7e426eb602118f70c62
SHA1 hash:
4e41bd37858af91d6e70ae34bd90b0262e2a0a67
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

Web download

LummaStealer

Executable exe b8321fa59fc7b3285732e5534eb9d3af4dd4e96d7c6b8bcf84e76768a907c4df

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::FreeSid
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CreateStreamOnHGlobal
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::CheckTokenMembership
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::ShellExecuteExW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceExW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AssignProcessToJobObject
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::FindFirstFileW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExA
USER32.dll::CreateWindowExW

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