MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbbc1a7666a2a94c6e00769562db238fa6fb5e1902e19d73f114751d2d467e06. 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: 8

Intelligence 8 IOCs YARA 10 File information Comments

SHA256 hash:	dbbc1a7666a2a94c6e00769562db238fa6fb5e1902e19d73f114751d2d467e06
SHA3-384 hash:	085be0c8e844151b6aab39409682aef48c62baf9b23b0f1b7e982dacfd351ffdaefdc9cc21d1beb4aa00cb3a9ce7e1ca
SHA1 hash:	6554dd782cbab4e35948c2d9cc4ce96012f50bac
MD5 hash:	dad92b05221350478efe5e49cf4dc799
humanhash:	colorado-neptune-blossom-north
File name:	msvc.mp4
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	1'417'860 bytes
First seen:	2025-01-27 09:38:12 UTC
Last seen:	2025-01-28 08:21:37 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	994f18cb9978574a2203372470f204bc (7 x LummaStealer, 6 x Emmenhtal)
ssdeep	24576:sU7LpZrGd9HQvRU7LpZrGd9HQvGU7LpZrGd9HQveU7LpZrGd9HQv:sUmd9HQpUmd9HQ+Umd9HQmUmd9HQ
TLSH	T13C657C316B408D71EDF321F919ADB17A557DE5A28F2040C75BC027EEA9766C3AA30387
TrID	46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 8.5% (.EXE) Win64 Executable (generic) (10522/11/4) 5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	10f079f892ea78b0 (18 x Emmenhtal, 7 x LummaStealer, 4 x CoinMiner)
Reporter	lontze7
Tags:	Emmenhtal EmmenhtalLoader exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

655

Origin country :

Vendor Threat Intelligence

Detection(s):

ditekSHen.MALWARE.Win.Trojan.FakeCaptcha-Downloader.UNOFFICIAL

Gathering data

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for the window

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-vm fingerprint masquerade microsoft_visual_cc overlay packed packed packer_detected

Link:

https://www.filescan.io/uploads/6797543785aac483f388d048/reports/90bd9214-25e3-46af-9a8b-3cd543c74399/overview

Verdict:

Malicious

Labled as:

Trojan_Win32_Wacatac_B_ml

Link:

https://www.hybrid-analysis.com/sample/dbbc1a7666a2a94c6e00769562db238fa6fb5e1902e19d73f114751d2d467e06

Result

Verdict:

UNKNOWN

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:

MustardSandwich

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/c02641d8-6f80-4dcc-ad49-cbe87683fc65

Result

Threat name:

Emmenhtal Loader

Detection:

malicious

Classification:

troj

Score:

64 / 100

Link:

https://www.joesandbox.com/analysis/1600249

Signature

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected Emmenhtal Loader

Behaviour

Behavior Graph:

Download SVG

Score:

14%

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/dbbc1a7666a2a94c6e00769562db238fa6fb5e1902e19d73f114751d2d467e06

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/dbbc1a7666a2a94c6e00769562db238fa6fb5e1902e19d73f114751d2d467e06/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=3o6bu5tgukuuy3qao2kwfwzdr6tpwxqzalqz247rcr2r2lkgpyda._file

Result

Malware family:

n/a

Score:

3/10

Tags:

discovery

Link:

https://tria.ge/reports/250127-lml1dstmar/

Behaviour

System Location Discovery: System Language Discovery

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/8c5d7ffb-f33a-4465-937d-440ea6dfa0e6

Unpacked files

SH256 hash:

dbbc1a7666a2a94c6e00769562db238fa6fb5e1902e19d73f114751d2d467e06

MD5 hash:

dad92b05221350478efe5e49cf4dc799

SHA1 hash:

6554dd782cbab4e35948c2d9cc4ce96012f50bac

Detections:

Emmenhtal

win_Emmenhtal_w0

Link:

https://www.unpac.me/results/cd60767f-2912-4aa2-9d22-38a288999a3e/

Please note that we are no longer able to provide a coverage score for Virus Total.

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

Rule name:	EmmenHTAl Create hunting rule

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	IDATDropper Create hunting rule
Author:	NDA0E
Description:	Detects files containing embedded JavaScript; the JS executes a PowerShell command which either downloads IDATLoader in an archive, or an executable (not IDATLoader) which is loaded into memory. The modified PE will only run if it's executed as an HTML Application (.hta).

Rule name:	MALWARE_Win_FakeCaptcha_Downloader Create hunting rule
Author:	ditekshen
Description:	Detects downloader executables dropped by fake captcha

Rule name:	pe_detect_tls_callbacks Create hunting rule

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

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	win_Emmenhtal_w0 Create hunting rule
Author:	cert-orangecyberdefense

File information

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

Web download

LummaStealer

exe dbbc1a7666a2a94c6e00769562db238fa6fb5e1902e19d73f114751d2d467e06

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3416583/

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
AUTH_API	Manipulates User Authorization	api-ms-win-security-sddl-l1-1-0.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW api-ms-win-security-sddl-l1-1-0.dll::ConvertStringSidToSidW api-ms-win-security-base-l1-1-0.dll::CopySid api-ms-win-security-base-l1-1-0.dll::CreateWellKnownSid api-ms-win-security-base-l1-1-0.dll::EqualPrefixSid api-ms-win-security-base-l1-1-0.dll::GetLengthSid
COM_BASE_API	Can Download & Execute components	api-ms-win-core-com-l1-1-0.dll::CLSIDFromProgID api-ms-win-core-com-l1-1-0.dll::CoCreateInstance api-ms-win-core-com-l1-1-0.dll::CoInitializeSecurity
SECURITY_BASE_API	Uses Security Base API	api-ms-win-security-base-l1-1-0.dll::AddAccessAllowedAce api-ms-win-security-base-l1-1-0.dll::AddAce api-ms-win-security-base-l1-1-0.dll::AdjustTokenPrivileges api-ms-win-security-base-l1-1-0.dll::GetAclInformation api-ms-win-security-base-l1-1-0.dll::GetTokenInformation api-ms-win-security-base-l1-1-0.dll::ImpersonateLoggedOnUser
WIN32_PROCESS_API	Can Create Process and Threads	api-ms-win-core-processthreads-l1-1-0.dll::OpenProcessToken api-ms-win-core-processthreads-l1-1-0.dll::OpenThreadToken api-ms-win-core-processthreads-l1-1-1.dll::SetProcessMitigationPolicy api-ms-win-core-synch-l1-1-0.dll::OpenSemaphoreW api-ms-win-core-memory-l1-1-0.dll::WriteProcessMemory api-ms-win-core-handle-l1-1-0.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	api-ms-win-core-processthreads-l1-1-0.dll::TerminateProcess ntdll.dll::NtQueryInformationProcess api-ms-win-core-libraryloader-l1-2-0.dll::LoadLibraryExW api-ms-win-core-libraryloader-l1-2-1.dll::LoadLibraryW
WIN_BASE_IO_API	Can Create Files	api-ms-win-core-memory-l1-1-0.dll::CreateFileMappingW ntdll.dll::NtCreateFile api-ms-win-core-file-l1-1-0.dll::CreateFileW api-ms-win-core-file-l1-1-0.dll::DeleteFileW
WIN_BASE_USER_API	Retrieves Account Information	api-ms-win-security-lsalookup-l2-1-0.dll::LookupAccountNameW api-ms-win-security-lsalookup-l2-1-0.dll::LookupAccountSidW api-ms-win-security-lsalookup-l2-1-0.dll::LookupPrivilegeValueW
WIN_REG_API	Can Manipulate Windows Registry	api-ms-win-core-registry-l1-1-0.dll::RegCreateKeyExW api-ms-win-core-registry-l1-1-0.dll::RegDeleteKeyExW api-ms-win-core-registry-l1-1-0.dll::RegGetValueW api-ms-win-core-registry-l1-1-0.dll::RegOpenKeyExW api-ms-win-core-registry-l1-1-0.dll::RegQueryInfoKeyW api-ms-win-core-registry-l1-1-0.dll::RegQueryValueExW

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