MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb870923c6ac61383177d3bb41726ea290a29a4a762fd681dec3d4f6cc19ed93. 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 7 File information Comments

SHA256 hash: bb870923c6ac61383177d3bb41726ea290a29a4a762fd681dec3d4f6cc19ed93
SHA3-384 hash: 96b0360f96e4f0b90df0105a63c66ca72b7325fbc315967d14c9781d1cd0b1ee5889a3e845222fe192020a4b90aff5f3
SHA1 hash: 795b3a9d225307e7662f3b4073ee830b661e5154
MD5 hash: 3875e3d17a0d70ec7fcaeddc071c3952
humanhash: charlie-speaker-vermont-mountain
File name:Bootstraper.exe
Download: download sample
Signature LummaStealer
File size:11'341'968 bytes
First seen:2024-09-16 11:39:49 UTC
Last seen:2024-09-16 11:50:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 40ab50289f7ef5fae60801f88d4541fc (59 x ValleyRAT, 49 x Gh0stRAT, 41 x OffLoader)
ssdeep 196608:6ksllkxxZpEO/aCSnivgeeykhxioQT4O7QVNOBdP3rpiLa+cVPlLTs:6kKlmZmO/aCVvgv2oQFsod/rQKPlLY
TLSH T194B62313B2CBE43EF4590B3B0972B258A4FB6A51A5227D579AF084ACCF251A01D3F747
TrID 46.7% (.EXE) Inno Setup installer (107240/4/30)
25.0% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
18.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
4.5% (.EXE) Win64 Executable (generic) (10523/12/4)
1.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 656141757169714f (1 x LummaStealer)
Reporter smica83
Tags:exe LummaStealer Paul Garner Consulting Limited signed

Code Signing Certificate

Organisation:Paul Garner Consulting Limited
Issuer:SSL.com EV Code Signing Intermediate CA RSA R3
Algorithm:sha256WithRSAEncryption
Valid from:2024-09-10T13:15:39Z
Valid to:2025-09-10T13:15:39Z
Serial number: 7a562978d709b11cac4d6fcba14954db
Intelligence: 3 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Central Blocklist:This certificate is on the Cert Central blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 57867dbdc09c94da591d6940b6df4e8fba8e2ea58d7aa2ebf4418274e8213b60
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
433
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
Discovery Execution Generic Network Stealth Trojan Wacapew
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
embarcadero_delphi fingerprint installer lolbin overlay packed setupapi shell32
Result
Verdict:
UNKNOWN
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
LummaC encrypted strings found
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to resolve many domain names, but no domain seems valid
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1511827 Sample: Bootstraper.exe Startdate: 16/09/2024 Architecture: WINDOWS Score: 100 79 tenntysjuxmz.shop 2->79 81 stitchmiscpaew.shop 2->81 83 10 other IPs or domains 2->83 95 Multi AV Scanner detection for domain / URL 2->95 97 Suricata IDS alerts for network traffic 2->97 99 Found malware configuration 2->99 101 7 other signatures 2->101 13 Bootstraper.exe 2 2->13         started        signatures3 process4 file5 77 C:\Users\user\AppData\...\Bootstraper.tmp, PE32 13->77 dropped 16 Bootstraper.tmp 3 5 13->16         started        process6 file7 63 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 16->63 dropped 65 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 16->65 dropped 19 Bootstraper.exe 2 16->19         started        process8 file9 67 C:\Users\user\AppData\...\Bootstraper.tmp, PE32 19->67 dropped 22 Bootstraper.tmp 5 60 19->22         started        process10 file11 69 C:\Users\user\AppData\Local\...\is-GPLRK.tmp, PE32 22->69 dropped 71 C:\Users\user\AppData\...\AutoIt3.exe (copy), PE32 22->71 dropped 73 C:\Users\user\...\wmfclearkey.dll (copy), PE32+ 22->73 dropped 75 39 other files (none is malicious) 22->75 dropped 25 AutoIt3.exe 2 22->25         started        27 cmd.exe 1 22->27         started        29 cmd.exe 1 22->29         started        31 4 other processes 22->31 process12 process13 33 cmd.exe 1 25->33         started        36 conhost.exe 27->36         started        46 2 other processes 27->46 38 conhost.exe 29->38         started        48 2 other processes 29->48 40 conhost.exe 31->40         started        42 conhost.exe 31->42         started        44 conhost.exe 31->44         started        50 9 other processes 31->50 signatures14 91 Uses ping.exe to sleep 33->91 93 Uses ping.exe to check the status of other devices and networks 33->93 52 AutoIt3.exe 1 33->52         started        55 PING.EXE 1 33->55         started        58 conhost.exe 33->58         started        process15 dnsIp16 103 LummaC encrypted strings found 52->103 60 cvtres.exe 52->60         started        85 127.0.0.1 unknown unknown 55->85 signatures17 process18 dnsIp19 87 murderryewowp.shop 188.114.97.3, 443, 63690 CLOUDFLARENETUS European Union 60->87 89 steamcommunity.com 23.197.127.21, 443, 63691 AKAMAI-ASN1EU United States 60->89
Threat name:
Win32.Spyware.Lummastealer
Status:
Malicious
First seen:
2024-09-11 20:53:56 UTC
File Type:
PE (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:lumma discovery stealer
Behaviour
Checks processor information in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Enumerates processes with tasklist
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Lumma Stealer, LummaC
Malware Config
C2 Extraction:
https://murderryewowp.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
07f7566f7065a0a196b146e2a1e6eebe38b9f834b07b28ee0b35813e59128008
MD5 hash:
48d47d3873ecd857bcc1045efd6d64cd
SHA1 hash:
04edfce38696a9fa68e9ce3d90590675b822821f
SH256 hash:
bb870923c6ac61383177d3bb41726ea290a29a4a762fd681dec3d4f6cc19ed93
MD5 hash:
3875e3d17a0d70ec7fcaeddc071c3952
SHA1 hash:
795b3a9d225307e7662f3b4073ee830b661e5154
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:Borland
Author:malware-lu
Rule name:Detect_APT29_WINELOADER_Backdoor
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
Rule name:Detect_Malicious_VBScript_Base64
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:shellcode
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_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

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