MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5933db4a297cbade801e22b01ccc290b279dcc3f69adb7f6898cd5b914553b0e. 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

UACModuleSmokeLoader

Vendor detections: 13

Intelligence 13 IOCs YARA 2 File information Comments 1

SHA256 hash:	5933db4a297cbade801e22b01ccc290b279dcc3f69adb7f6898cd5b914553b0e
SHA3-384 hash:	223f2a58f6629ff66a60a00282e75ff2d1d533fc0d08a4675a436e087ae5f8994afa03922203828b0261d2d20f843bba
SHA1 hash:	698ecd6246528661cc8c165f80ab1683f12a4a82
MD5 hash:	9d987b63de67acf038bf01bbcc04b841
humanhash:	skylark-zebra-social-butter
File name:	9d987b63de67acf038bf01bbcc04b841
Download:	download sample
Signature	UACModuleSmokeLoader Create hunting rule
File size:	644'096 bytes
First seen:	2024-10-12 00:03:04 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	237b17b2e4a814f3a0a6b82394c41992 (1 x UACModuleSmokeLoader)
ssdeep	12288:Iyrp+BMKJyLSGyFD3CRekI+vEe2DHdpEp42RIEmfvX3A:5rfMyLghSRe8v5u3Ee2ee
TLSH	T11FD4E112A2B0FDA1F416B672CD1AC6EC767DFDB08E456B5A321B9B2F08701A1D277311
TrID	39.5% (.EXE) InstallShield setup (43053/19/16) 28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 9.6% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	0603050b01213100 (1 x UACModuleSmokeLoader)
Reporter	zbetcheckin
Tags:	32 exe UACModuleSmokeLoader

Intelligence

File Origin

# of uploads :

# of downloads :

431

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

2.exe

Verdict:

Malicious activity

Analysis date:

2024-10-11 23:56:16 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/b64a1494-1e84-4ca6-8440-0c70f7cc5e0b

Note:

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

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6709bcf466161739f881b6fe

Tags:

Spoof

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc fingerprint lolbin microsoft_visual_cc packed shell32

Link:

https://www.filescan.io/uploads/6709bcf3a37e23bbf3cbb3eb/reports/0a948d7c-7a64-4f73-ac16-bf750c1e2202/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/5933db4a297cbade801e22b01ccc290b279dcc3f69adb7f6898cd5b914553b0e

Result

Verdict:

SUSPICIOUS

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:

Pitou

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2da24135-de0a-4702-ae35-3c43e5b9738e

Result

Threat name:

n/a

Detection:

malicious

Classification:

expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1531986

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Contains functionality to infect the boot sector

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/5933db4a297cbade801e22b01ccc290b279dcc3f69adb7f6898cd5b914553b0e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5933db4a297cbade801e22b01ccc290b279dcc3f69adb7f6898cd5b914553b0e/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lez5wsrjps5n5aa6ekybztbjbmtz3tb7ngw3p5ujrtk3sfcvhmha._file

Verdict:

malicious

Label(s):

shellcode_loader_002

pitou

Similar samples:

error

UACModuleSmokeLoader

Result

Malware family:

n/a

Score:

6/10

Tags:

bootkit discovery persistence

Link:

https://tria.ge/reports/241012-aclfbs1gjh/

Behaviour

System Location Discovery: System Language Discovery

Writes to the Master Boot Record (MBR)

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/c6144053-c5ad-4476-9dbb-aa0bd34cee7f

Unpacked files

SH256 hash:

b1272de3f0fc0785efa4c692b4a1471c9b419dd93b7dcd4c9dc4fb6c09abc549

MD5 hash:

9872fdbffbdb3145dc372df17ee4fdde

SHA1 hash:

595ddab28edeae1793481367e495e8db4c329446

Link:

https://www.unpac.me/results/374261a9-9031-4413-ae70-242fa364e11d/

SH256 hash:

5933db4a297cbade801e22b01ccc290b279dcc3f69adb7f6898cd5b914553b0e

MD5 hash:

9d987b63de67acf038bf01bbcc04b841

SHA1 hash:

698ecd6246528661cc8c165f80ab1683f12a4a82

Link:

https://www.unpac.me/results/374261a9-9031-4413-ae70-242fa364e11d/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5933db4a297c/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/5933db4a297cbade801e22b01ccc290b279dcc3f69adb7f6898cd5b914553b0e

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

File information

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

Web download

UACModuleSmokeLoader

exe 5933db4a297cbade801e22b01ccc290b279dcc3f69adb7f6898cd5b914553b0e

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3230704/

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
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
SHELL_API	Manipulates System Shell	SHELL32.dll::FindExecutableA
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetDiskFreeSpaceExA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasExesW KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateHardLinkW KERNEL32.dll::CreateFileA KERNEL32.dll::GetFileAttributesW KERNEL32.dll::GetTempPathA KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameA

Comments

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zbet commented on 2024-10-12 00:03:05 UTC

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