MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a7b7a57eba095cf41ef86faa906c39c7f26b7b09e8b2268d1e882ad8afb92a6. 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: 17

Intelligence 17 IOCs YARA 3 File information Comments 1

SHA256 hash:	5a7b7a57eba095cf41ef86faa906c39c7f26b7b09e8b2268d1e882ad8afb92a6
SHA3-384 hash:	c334347cb255129eaae30324230407cee547a0eb9eda1bd6a8b3bac2c901bb4003a032e3c71afad7b44eea88e07f35a9
SHA1 hash:	7e6887011b600858d5b0d2d59564b3e44c023965
MD5 hash:	64fe8dfa186f801847e6c710f30b2884
humanhash:	butter-carpet-alabama-georgia
File name:	64fe8dfa186f801847e6c710f30b2884
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	551'424 bytes
First seen:	2024-10-07 15:58:10 UTC
Last seen:	2024-10-07 16:22:11 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	d10af643340e1121562abe3e6bd5b0e1 (14 x Stealc, 13 x LummaStealer, 9 x Vidar)
ssdeep	12288:mxyHj9OPDUsb5J4VMrJhypkjvsoZMfG6jiHiprOTafN4S:mg9OJ4o4iLI+QiHipCTau
TLSH	T1A7C4F112B5C18033D57315324AF0DA719E3EBDB04B625E9F67980FBE4F30291D662A6B
TrID	32.2% (.EXE) Win64 Executable (generic) (10523/12/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4504/4/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	zbetcheckin
Tags:	32 exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

347

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

64fe8dfa186f801847e6c710f30b2884

Verdict:

Malicious activity

Analysis date:

2024-10-07 16:00:20 UTC

Tags:

phishing stealer

Link:

https://app.any.run/tasks/4fa7549f-af22-4294-bf0e-c8ccf10e44b8

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.20956.30223.UNOFFICIAL

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67040547b932c04ee8fddfb9

Tags:

Malware

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/670405484f53598f1492b380/reports/c9d77bf6-eb29-42f6-b076-30512dc510cf/overview

Verdict:

Malicious

Labled as:

Mikey.Generic

Link:

https://www.hybrid-analysis.com/sample/5a7b7a57eba095cf41ef86faa906c39c7f26b7b09e8b2268d1e882ad8afb92a6

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.

Malware family:

LummaC2 Stealer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/f608e4b7-d116-45ba-a3a7-b16fd80c4960

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1528265

Signature

AI detected suspicious sample

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Found malware configuration

Injects a PE file into a foreign processes

LummaC encrypted strings found

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Sigma detected: Silenttrinity Stager Msbuild Activity

Suricata IDS alerts for network traffic

Writes to foreign memory regions

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/5a7b7a57eba095cf41ef86faa906c39c7f26b7b09e8b2268d1e882ad8afb92a6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5a7b7a57eba095cf41ef86faa906c39c7f26b7b09e8b2268d1e882ad8afb92a6/

Threat name:

Win32.Trojan.Mikey

Status:

Malicious

First seen:

2024-10-07 15:59:09 UTC

File Type:

PE (Exe)

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lj5xuv7luck46qppq35ksbwdtr7snn5qt2fse2gr5cbk3cx3skta._file

Verdict:

malicious

Label(s):

lummastealer

Similar samples:

error

LummaStealer

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery stealer

Link:

https://tria.ge/reports/241007-te3beazdkn/

Behaviour

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Lumma Stealer, LummaC

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/a45702d8-dd09-49d9-a810-74fb624f6e5a

Unpacked files

SH256 hash:

edc3a74270d9373b65e9c1105afbfe6251ec41d9ccccbdce93b7fa0100f246e9

MD5 hash:

9a4ebd8fcc33788cf36624e463ef0394

SHA1 hash:

7619a2ac73df4f964b2317baad6fb0373aa5702d

Detections:

LummaStealer

Link:

https://www.unpac.me/results/e6befe58-3e2c-4224-a3fc-9a6cb3c67377/

Parent samples :

5a7b7a57eba095cf41ef86faa906c39c7f26b7b09e8b2268d1e882ad8afb92a6
6c7818a65f46711fbc89cd7b548829e98be247fab8b2c4766c85b64bc632e797
ead35a9130d317fb0a615969e9136596ef244092bffdd92ae05ef46e1bf63ce9
4167b003ef7a7a9120b73685d3b04acc8055e0ad8728a103a8a7fd08bdc3c142
1445f8dc16bf7f0e1c7b3d16bee14ef83e6170ab00a2381d509051c64617fbfd

SH256 hash:

5a7b7a57eba095cf41ef86faa906c39c7f26b7b09e8b2268d1e882ad8afb92a6

MD5 hash:

64fe8dfa186f801847e6c710f30b2884

SHA1 hash:

7e6887011b600858d5b0d2d59564b3e44c023965

Link:

https://www.unpac.me/results/e6befe58-3e2c-4224-a3fc-9a6cb3c67377/

Malware family:

Lumma

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5a7b7a57eba0/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/5a7b7a57eba095cf41ef86faa906c39c7f26b7b09e8b2268d1e882ad8afb92a6

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

File information

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

Web download

LummaStealer

exe 5a7b7a57eba095cf41ef86faa906c39c7f26b7b09e8b2268d1e882ad8afb92a6

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3211449/

URLhaus

https://urlhaus.abuse.ch/url/3212154/

URLhaus

https://urlhaus.abuse.ch/url/3210359/

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::AttachConsole KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW

Comments

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zbet commented on 2024-10-07 15:58:11 UTC

url : hxxp://nsdm.cumpar-auto-orice-tip.ro/ldms/a43486128347.exe