MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7aafbf827e31297c0db924982ede0bba7e3c22815b5fe07c65fdb46827915162. 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 7 File information Comments 1

SHA256 hash:	7aafbf827e31297c0db924982ede0bba7e3c22815b5fe07c65fdb46827915162
SHA3-384 hash:	4af8066d3bb2e986307f079ee5aa59265dc2094f5f17a487287a2c671193db9154682789a40d9458b0c0898c26d2f2f3
SHA1 hash:	55f35d313193819a77a0bd7f059f45c52f6a3927
MD5 hash:	fecb3521d2574fbadbe42baa640e1dee
humanhash:	west-floor-lima-september
File name:	fecb3521d2574fbadbe42baa640e1dee
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	811'008 bytes
First seen:	2024-08-05 06:23:45 UTC
Last seen:	2024-08-05 07:33:10 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep	12288:rGuNG8EZgBwp/E8nIO9KQ9P3+xqjYHSUPKweXP39caiKAOWpeH/9bwpcz4a9xvN0:rwr/jU+caKeNn
TLSH	T16205383439FA501AB173EFAA8BE475EADA6FB7733B06645D109003864723A81DDC153E
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	zbetcheckin
Tags:	32 exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

350

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

fecb3521d2574fbadbe42baa640e1dee

Verdict:

Malicious activity

Analysis date:

2024-08-05 06:28:15 UTC

Tags:

lumma stealer

Link:

https://app.any.run/tasks/8334cc86-c68d-49bb-b108-5f0f4192d3db

Note:

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

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66b07007037b02d0daeda7a4

Tags:

Generic Dropper

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

Creating a file

DNS request

Connection attempt

Sending a custom TCP request

Behavior that indicates a threat

Connection attempt to an infection source

Query of malicious DNS domain

Sending a TCP request to an infection source

Unauthorized injection to a system process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/66b070035743b16748e7e8bd/reports/c909a46f-359f-4fce-a965-f8f25eca7553/overview

Verdict:

Malicious

Labled as:

MSIL.Krypt.Generic

Link:

https://www.hybrid-analysis.com/sample/7aafbf827e31297c0db924982ede0bba7e3c22815b5fe07c65fdb46827915162

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7d857b6b-dc21-4991-85a9-de8686bc1863

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1487802

Signature

.NET source code contains very large strings

.NET source code references suspicious native API functions

AI detected suspicious sample

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

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

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/7aafbf827e31297c0db924982ede0bba7e3c22815b5fe07c65fdb46827915162

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/7aafbf827e31297c0db924982ede0bba7e3c22815b5fe07c65fdb46827915162/

Threat name:

ByteCode-MSIL.Trojan.PureLogStealer

Status:

Malicious

First seen:

2024-08-04 01:53:43 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=pkx37at6geuxydnzesmc5xqlxj7dyiublnp6a7df7w2gqj4rkfra._file

Verdict:

malicious

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery stealer

Link:

https://tria.ge/reports/240805-g52fkssgmc/

Behaviour

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Lumma Stealer, LummaC

Malware Config

C2 Extraction:

https://boattyownerwrv.shop/api
https://empiredzmwnx.shop/api
https://rainbowmynsjn.shop/api
https://definitonizmnx.shop/api
https://creepydxzoxmj.shop/api
https://budgetttysnzm.shop/api
https://chippyfroggsyhz.shop/api
https://assumedtribsosp.shop/api
https://tenntysjuxmz.shop/api

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/8c727a76-7198-4cd5-a0b8-3ee6673d6e33

Unpacked files

SH256 hash:

2393bd1b634a86b9a5ec37c05103b3db3c883a1d06c72e0bd86e9af1c7e707a4

MD5 hash:

d2666702dde336daa672e62b27fb0234

SHA1 hash:

d1f8b2d0da95e8dfb3bb16206df7a395c017d501

Detections:

LummaStealer

Link:

https://www.unpac.me/results/071179a4-41d6-4874-8039-622e4330c0e6/

SH256 hash:

7aafbf827e31297c0db924982ede0bba7e3c22815b5fe07c65fdb46827915162

MD5 hash:

fecb3521d2574fbadbe42baa640e1dee

SHA1 hash:

55f35d313193819a77a0bd7f059f45c52f6a3927

Link:

https://www.unpac.me/results/071179a4-41d6-4874-8039-622e4330c0e6/

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/7aafbf827e31297c0db924982ede0bba7e3c22815b5fe07c65fdb46827915162

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:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	ThreadControl__Context 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 7aafbf827e31297c0db924982ede0bba7e3c22815b5fe07c65fdb46827915162

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3089848/

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

Comments

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zbet commented on 2024-08-05 06:23:46 UTC

url : hxxp://147.45.44.131/files/3535.exe