MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 537cf4c7a0688ea50090c6da3856aac3209b3e4ce3a446b46bec798930e4ab93. 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: 14

Intelligence 14 IOCs YARA 29 File information Comments

SHA256 hash:	537cf4c7a0688ea50090c6da3856aac3209b3e4ce3a446b46bec798930e4ab93
SHA3-384 hash:	087efefd80190d01890f5c184c4d26bee6a6d3b2bff3df41c740d3462f56baa8f57bbe085e6c1d22a74d077b6be3d8c3
SHA1 hash:	c3a71ba3919c29189b04fac15cb0ef774adf475b
MD5 hash:	d2dfe32f67b5fc8e6c53aae8f6b5d919
humanhash:	zulu-minnesota-london-nine
File name:	0OfficeSuite Premium.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	13'845'504 bytes
First seen:	2024-08-26 17:19:17 UTC
Last seen:	2024-08-26 18:32:00 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	1aae8bf580c846f39c71c05898e57e88 (131 x LummaStealer, 11 x ValleyRAT, 10 x SalatStealer)
ssdeep	98304:Jgh2FJiI+8uYq/zjeuPWAmgCcKFHms9iCf4cF:DnPUGueAmg5sf
TLSH	T1FCD62950FE9745F1D817593280AB623F6B345D068B2DCB9BEB007FAAF8376D21836245
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)
Magika	pebin
File icon (PE):
dhash icon	f0c4f2e9e8b0dcf0 (2 x AsyncRAT, 1 x njrat, 1 x LummaStealer)
Reporter	aachum
Tags:	exe LummaStealer

iamaachum

https://bidvertiser.b-cdn.net/alpha.zip

Lumma C2:
https://onionoowzwqm.shop/api
https://locatedblsoqp.shop/api

Intelligence

File Origin

# of uploads :

# of downloads :

414

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

human-verify.b-cdn.net.ps1

Verdict:

Malicious activity

Analysis date:

2024-08-26 17:24:36 UTC

Tags:

stealer lumma

Link:

https://app.any.run/tasks/c02d390f-faa9-4ed0-bc1e-29da6e441bd1

Note:

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

Detection(s):

SecuriteInfo.com.Malware.Win32.Antis.28434.8801.UNOFFICIAL

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66ccb947e7ff3f5a063c04e6

Tags:

Stealth Heur

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

DNS request

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm golang

Link:

https://www.filescan.io/uploads/66ccb943eb26ed7f73c4cdd5/reports/b18bf85f-5667-4387-8fe0-043485836aab/overview

Verdict:

Suspicious

Labled as:

Infostealer/LummaC2

Link:

https://www.hybrid-analysis.com/sample/537cf4c7a0688ea50090c6da3856aac3209b3e4ce3a446b46bec798930e4ab93

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:

Suspicious

Link:

https://analyze.intezer.com/analyses/a6e436e5-ff3d-4ea8-b740-383a052ff19e

Result

Threat name:

LummaC

Detection:

malicious

Classification:

evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/1499237

Signature

AI detected suspicious sample

Allocates memory in foreign processes

Antivirus detection for URL or domain

Injects a PE file into a foreign processes

LummaC encrypted strings found

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Writes to foreign memory regions

Behaviour

Behavior Graph:

Download SVG

Score:

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/537cf4c7a0688ea50090c6da3856aac3209b3e4ce3a446b46bec798930e4ab93

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/537cf4c7a0688ea50090c6da3856aac3209b3e4ce3a446b46bec798930e4ab93/

Threat name:

Win32.Spyware.Lummastealer

Status:

Malicious

First seen:

2024-08-26 17:20:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

14 of 24 (58.33%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kn6pjr5anchkkaeqy3ndqvvkymqjwpsm4osenndl5r4ysmhevojq._file

Verdict:

unknown

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery stealer

Link:

https://tria.ge/reports/240826-vwegcawbjh/

Behaviour

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Lumma Stealer, LummaC

Malware Config

C2 Extraction:

https://onionoowzwqm.shop/api
https://locatedblsoqp.shop/api

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/697094ed-a17a-4c80-b17f-9633daa48d91

Unpacked files

SH256 hash:

537cf4c7a0688ea50090c6da3856aac3209b3e4ce3a446b46bec798930e4ab93

MD5 hash:

d2dfe32f67b5fc8e6c53aae8f6b5d919

SHA1 hash:

c3a71ba3919c29189b04fac15cb0ef774adf475b

Link:

https://www.unpac.me/results/b3bb5fac-fc61-4e8c-9f81-a92d8862b945/

Malware family:

Lumma

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/537cf4c7a068/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/537cf4c7a0688ea50090c6da3856aac3209b3e4ce3a446b46bec798930e4ab93

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:	APT_Bitter_ZxxZ_Downloader Create hunting rule
Author:	SECUINFRA Falcon Team (@SI_FalconTeam)
Description:	Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:	https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh

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

Rule name:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

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

Rule name:	DebuggerException__ConsoleCtrl 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:	dsc Create hunting rule
Author:	Aaron DeVera
Description:	Discord domains

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	grakate_stealer_nov_2021 Create hunting rule

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	reverse_http Create hunting rule
Author:	CD_R0M_
Description:	Identify strings with http reversed (ptth)

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

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

Web download

LummaStealer

ps1 a1846e8f852ea3dbc958fddcd1a8f8a4c2888e3e1f5603d8b95e9c18afe90477

LummaStealer

exe 174124a205687b4b9fc490fb15a8028ffdd7ecb1096d8251001f98eeaecdbedb

LummaStealer

exe 537cf4c7a0688ea50090c6da3856aac3209b3e4ce3a446b46bec798930e4ab93

(this sample)

Link

https://tria.ge/240826-vp2cjavgrb

Dropped by

SHA256 174124a205687b4b9fc490fb15a8028ffdd7ecb1096d8251001f98eeaecdbedb

Delivery method

Distributed via web download

Dropped by

MD5 ce1e2d9b81faa9bb57bc6813544c89db

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 kernel32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryW kernel32.dll::LoadLibraryExW kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_API	Can Execute other programs	kernel32.dll::WriteConsoleW kernel32.dll::SetConsoleCtrlHandler kernel32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	kernel32.dll::GetSystemDirectoryA

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample