MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3bea79ec05b068c75b2b0d0f6fb3169d54670b5dbdf84d06a3360ff89b2fef3. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3bea79ec05b068c75b2b0d0f6fb3169d54670b5dbdf84d06a3360ff89b2fef3
SHA3-384 hash: 1c8e437387fd54356c7267265483b933556782655818dd6b133317a024494c692d4f24261d01fbf8e7224a0e7dd82102
SHA1 hash: 8caa897908c370729284dcea12b2f5bdc5bf429a
MD5 hash: f9976012b87cf3666b77e58de7cdb580
humanhash: golf-west-apart-virginia
File name:f9976012b87cf3666b77e58de7cdb580.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:515'584 bytes
First seen:2024-04-30 05:15:35 UTC
Last seen:2024-04-30 06:37:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 319c5a7bfce453072d64c94ea7770db9 (3 x Vidar, 2 x LummaStealer, 1 x RedLineStealer)
ssdeep 12288:D4SkTUGRODeUhK78ropoBdzyj79FZzi2oveqSr:D44GSRzQJFZzi/veT
TLSH T1B8B4F11475C18032DA331A3205F4CAB49A7DFDB00F615D9FA7984F7F4F35682E622A6A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
315
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c3bea79ec05b068c75b2b0d0f6fb3169d54670b5dbdf84d06a3360ff89b2fef3.exe
Verdict:
Malicious activity
Analysis date:
2024-04-30 05:16:20 UTC
Tags:
lumma stealer
Link:
https://app.any.run/tasks/db1b86a0-f9b3-4dba-8f20-4a0ea3b8c124

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

Behaviour
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Connection attempt to an infection source
Sending an HTTP GET request
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint lumma packed
Link:
https://www.filescan.io/uploads/66307e9375339da04fa75984/reports/af223f31-6ea4-46ff-bd99-250fe7e176f9/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/c3bea79ec05b068c75b2b0d0f6fb3169d54670b5dbdf84d06a3360ff89b2fef3
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c3c82cd-5e2c-41ac-b9e2-58d855ac1c42
Result
Threat name:
LummaC
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433815
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
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
Writes to foreign memory regions
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c3bea79ec05b068c75b2b0d0f6fb3169d54670b5dbdf84d06a3360ff89b2fef3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3bea79ec05b068c75b2b0d0f6fb3169d54670b5dbdf84d06a3360ff89b2fef3/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-30 00:16:50 UTC
File Type:
PE (Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yo7kphwalmdiy5nswdipn6zrnhkum4fv3ppyjudkgnqp7cns73zq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240430-fx5mladc58/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
6bf4c95cf4718d85535d82f722ac0fa3e44ef10287f6b2e5903c27629c2dc048
MD5 hash:
973bde1d67cb6450c38d7dcdcd177393
SHA1 hash:
6b752373855539892e453aba3d9a527b7b53c2a7
Detections:
LummaStealer
Create hunting rule
Link:
https://www.unpac.me/results/e6ce4d0f-9daf-4ee5-88cf-0574160f36fe/
SH256 hash:
c3bea79ec05b068c75b2b0d0f6fb3169d54670b5dbdf84d06a3360ff89b2fef3
MD5 hash:
f9976012b87cf3666b77e58de7cdb580
SHA1 hash:
8caa897908c370729284dcea12b2f5bdc5bf429a
Link:
https://www.unpac.me/results/e6ce4d0f-9daf-4ee5-88cf-0574160f36fe/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c3bea79ec05b/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/c3bea79ec05b068c75b2b0d0f6fb3169d54670b5dbdf84d06a3360ff89b2fef3

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)

File information

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

Web download

LummaStealer

Executable exe c3bea79ec05b068c75b2b0d0f6fb3169d54670b5dbdf84d06a3360ff89b2fef3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2829479/
  
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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateRemoteThread
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments