MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dffd32ffe4b7ec1d4fde6b800f5db2879381c7d1e5db67d971879ccbdb9aeec9. 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:	dffd32ffe4b7ec1d4fde6b800f5db2879381c7d1e5db67d971879ccbdb9aeec9
SHA3-384 hash:	9823bfb67940a24b45b5b83313e64dfcad86f7989d8d07278926f68b4387628cdfdad3eab9f69d75cb444d943c50a33a
SHA1 hash:	9f0363fd60bcc59b83cdffe686ca2eeca6978b96
MD5 hash:	b2a1dd0b4250ffeaae035390188db4e8
humanhash:	fourteen-butter-mars-sink
File name:	Cryptofarm.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	17'805'631 bytes
First seen:	2024-09-03 14:21:46 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	72c4e339b7af8ab1ed2eb3821c98713a (51 x BlankGrabber, 27 x PythonStealer, 7 x LunaStealer)
ssdeep	393216:yTl82npW8o0f1+TtIiF0Y9Z8D8CclihBCbVhSbbyBEItu:clW8o0f1QtILa8DZcoCbK6BE
TLSH	T14507334663A234DCD9E9633586C686536BE1785507E0C28EFFFB04131AE72E9EE35B10
TrID	46.3% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 34.6% (.EXE) InstallShield setup (43053/19/16) 8.4% (.EXE) Win64 Executable (generic) (10523/12/4) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.6% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
File icon (PE):
dhash icon	b8b69696969292e2 (2 x LummaStealer)
Reporter	YAMalwareGuy
Tags:	exe lumma LummaStealer

YAMalwareGuy

Triage : https://tria.ge/240903-jawmyssckh

Intelligence

File Origin

# of uploads :

# of downloads :

419

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Cryptofarm.exe

Verdict:

Malicious activity

Analysis date:

2024-09-03 14:24:19 UTC

Tags:

pyinstaller python lumma stealer

Link:

https://app.any.run/tasks/9755576d-69f2-4c96-86eb-db3277aea027

Note:

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

Detection(s):

SecuriteInfo.com.Win64.Evo-gen.14957.29019.UNOFFICIAL

Verdict:

Malicious

Score:

81.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66d71b90f3d7ccf99f8fbf19

Tags:

Python

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for the window

Creating a file in the %temp% subdirectories

Restart of the analyzed sample

Creating a window

Using the Windows Management Instrumentation requests

Creating a file

Сreating synchronization primitives

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

expand lolbin microsoft_visual_cc overlay packed python

Link:

https://www.filescan.io/uploads/66d71b8b714ac3bd3e8534b9/reports/e8f12e1f-5dde-4813-b3f7-8c04ebde0a8d/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/dffd32ffe4b7ec1d4fde6b800f5db2879381c7d1e5db67d971879ccbdb9aeec9

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/81c78de4-f14a-4974-818e-20e58b4f3001

Result

Threat name:

n/a

Detection:

malicious

Classification:

n/a

Score:

48 / 100

Link:

https://www.joesandbox.com/analysis/1503522

Signature

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Score:

95%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/dffd32ffe4b7ec1d4fde6b800f5db2879381c7d1e5db67d971879ccbdb9aeec9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/dffd32ffe4b7ec1d4fde6b800f5db2879381c7d1e5db67d971879ccbdb9aeec9/

Threat name:

Win64.Trojan.LummaStealer

Status:

Malicious

First seen:

2024-08-30 01:50:44 UTC

File Type:

PE+ (Exe)

Extracted files:

2395

AV detection:

9 of 38 (23.68%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=376tf77ew7wb2t66noaa6xnsq6jydr6r4xnwpwlrq6omxw4253eq._file

Verdict:

unknown

Result

Malware family:

n/a

Score:

7/10

Tags:

pyinstaller

Link:

https://tria.ge/reports/240903-rpkg8szgmc/

Behaviour

Suspicious use of WriteProcessMemory

Loads dropped DLL

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/6acdb3fb-ad88-4253-8746-9c841fce3d2c

Unpacked files

SH256 hash:

dffd32ffe4b7ec1d4fde6b800f5db2879381c7d1e5db67d971879ccbdb9aeec9

MD5 hash:

b2a1dd0b4250ffeaae035390188db4e8

SHA1 hash:

9f0363fd60bcc59b83cdffe686ca2eeca6978b96

Detections:

PyInstaller

Link:

https://www.unpac.me/results/cc1b697f-9aa3-4e94-ac91-d51182cf5344/

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/dffd32ffe4b7ec1d4fde6b800f5db2879381c7d1e5db67d971879ccbdb9aeec9

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Detect_Malicious_VBScript_Base64 Create hunting rule
Author:	daniyyell
Description:	Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.

Rule name:	PyInstaller Create hunting rule
Author:	@bartblaze
Description:	Identifies executable converted using PyInstaller.

Rule name:	upxHook Create hunting rule
Author:	@r3dbU7z
Description:	Detect artifacts from 'upxHook' - modification of UPX packer
Reference:	https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information

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

Web download

LummaStealer

exe dffd32ffe4b7ec1d4fde6b800f5db2879381c7d1e5db67d971879ccbdb9aeec9

(this sample)

Dropping

Lumma

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

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

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::ConvertSidToStringSidW ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDriveTypeW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::FindFirstFileW KERNEL32.dll::RemoveDirectoryW KERNEL32.dll::SetDllDirectoryW
WIN_USER_API	Performs GUI Actions	USER32.dll::PeekMessageW USER32.dll::CreateWindowExW

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