MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac455193c6badd59e8fc876cf2c81d3e9100d13361fa148ff2cf81b07c6cc6b5. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: ac455193c6badd59e8fc876cf2c81d3e9100d13361fa148ff2cf81b07c6cc6b5
SHA3-384 hash: 6643f733e606cc8cd7c042748c7d9d3519cb8e7d37abc8826c92d7afc1d04077b5469a74372b109f5212867b5d0769c1
SHA1 hash: 44c21402a6adb7f4a2fb5ee11a695b77192b0413
MD5 hash: f77d43b17e7f4a75490b494f7df74f3c
humanhash: stairway-undress-kitten-kansas
File name:f77d43b17e7f4a75490b494f7df74f3c.exe
Download: download sample
Signature LummaStealer
File size:357'888 bytes
First seen:2024-05-10 07:27:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7728fdfee954e106d39411e9e7e8ccc0 (2 x LummaStealer, 1 x Stealc)
ssdeep 6144:5EXJP4clsmJdyRQBkCa3eVT2ciyzF8mENeJK:5GuclsmJCQqCLyci0GCJK
TLSH T19474CF0166A1FC31CF5B47319A35C2A4566EBDA15E7A91BF72483B4F0973EF0A6D2302
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 64d29a9891b18981 (1 x LummaStealer)
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
311
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
New Text Document.bin.exe
Verdict:
Malicious activity
Analysis date:
2024-05-09 07:42:21 UTC
Tags:
opendir loader risepro formbook xloader stealer evasion spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
LummaC encrypted strings found
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-05-09 08:33:28 UTC
File Type:
PE (Exe)
Extracted files:
33
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:lumma stealer
Behaviour
Program crash
Lumma Stealer
Malware Config
C2 Extraction:
https://whispedwoodmoodsksl.shop/api
https://acceptabledcooeprs.shop/api
https://obsceneclassyjuwks.shop/api
https://zippyfinickysofwps.shop/api
https://miniaturefinerninewjs.shop/api
https://plaintediousidowsko.shop/api
https://sweetsquarediaslw.shop/api
https://holicisticscrarws.shop/api
https://boredimperissvieos.shop/api
Unpacked files
SH256 hash:
42a5b168f19d8e9d9750e2df8cec1c338844dc4e96adff016e66679ba14920c4
MD5 hash:
5ce67d8b5394c77e5ab3aa550d910e23
SHA1 hash:
3d9f6e7d84cebfc35e63442067e67234e522a86e
Detections:
LummaStealer
SH256 hash:
ac455193c6badd59e8fc876cf2c81d3e9100d13361fa148ff2cf81b07c6cc6b5
MD5 hash:
f77d43b17e7f4a75490b494f7df74f3c
SHA1 hash:
44c21402a6adb7f4a2fb5ee11a695b77192b0413
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
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
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 ac455193c6badd59e8fc876cf2c81d3e9100d13361fa148ff2cf81b07c6cc6b5

(this sample)

  
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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleScreenBufferSize
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments