MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 715887c08884175f25445128937491a781f3ebc93c4f84e61017ed398a4455fe. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: 715887c08884175f25445128937491a781f3ebc93c4f84e61017ed398a4455fe
SHA3-384 hash: 3083efb45eae61c80c931149e581a6e7bce732a59113e77ee23bf57667a6c41dadb108d66508eb707365331b71bc3339
SHA1 hash: 1aba12b81cbb524ae447aa5f15729c4766eecf50
MD5 hash: caf878999c6d6096e0c573a658c5b981
humanhash: colorado-sixteen-failed-queen
File name:SecuriteInfo.com.Win32.BootkitX-gen.9518.19625
Download: download sample
Signature UACModuleSmokeLoader
File size:2'165'248 bytes
First seen:2025-02-14 16:28:55 UTC
Last seen:2025-02-14 17:38:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:Xi7pVQzLBQfSOpOG0iTSOuy7tcZvUbQ8hvrhOvE3tlr1FFnP:SWLbRKcGb5rWCLXnP
Threatray 1 similar samples on MalwareBazaar
TLSH T14CA5333C1F01B54ADE40DE369027866BC9F8AAFB001DE5CFD107A05D1A96E1F2D627B9
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe UACModuleSmokeLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
527
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.BootkitX-gen.9518.19625
Verdict:
Malicious activity
Analysis date:
2025-02-14 16:36:39 UTC
Tags:
themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
spoof virus zusy
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Rewriting of the hard drive's master boot record
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to infect the boot sector
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2025-02-14 16:27:54 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
bootkit defense_evasion discovery persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Writes to the Master Boot Record (MBR)
Checks BIOS information in registry
Identifies Wine through registry keys
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
715887c08884175f25445128937491a781f3ebc93c4f84e61017ed398a4455fe
MD5 hash:
caf878999c6d6096e0c573a658c5b981
SHA1 hash:
1aba12b81cbb524ae447aa5f15729c4766eecf50
SH256 hash:
54f9ec47449972f59faafd60fbc070e965398df7b21f5a522f209a3094a7fff4
MD5 hash:
d54bf06545246067299d7ceadcfb846d
SHA1 hash:
4b9b060eb46a5835601e6c9698e8577184de9b3f
Detections:
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
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:ICMLuaUtil_UACMe_M41
Author:Marius 'f0wL' Genheimer <hello@dissectingmalwa.re>
Description:A Yara rule for UACMe Method 41 -> ICMLuaUtil Elevated COM interface
Reference:https://github.com/hfiref0x/UACME
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:smokeloader_uac_module
Author:Nikolaos 'n0t' Totosis
Description:UAC bypass/file dropped by Smokeloader
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Generic_Threat_5fbf5680
Author:Elastic Security

File information


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

Web download

UACModuleSmokeLoader

Executable exe 715887c08884175f25445128937491a781f3ebc93c4f84e61017ed398a4455fe

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

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