MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c3faa9c54a7d44226623afee69d63114957699330dd576092965999550dd19d. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments

SHA256 hash: 6c3faa9c54a7d44226623afee69d63114957699330dd576092965999550dd19d
SHA3-384 hash: 3f386dfd45342a18db3c3a9a26dd5982b19ec80dbda8bb43ec2e5a5dbdebafcc96410083c1bec69d87e81b5bfc678166
SHA1 hash: ca2e9eb5bb102c28df093a9df74b08b7736bb491
MD5 hash: 37125c296cafcfe190ceaaccba148aac
humanhash: ack-michigan-emma-spaghetti
File name:37125c296cafcfe190ceaaccba148aac.exe
Download: download sample
Signature UACModuleSmokeLoader
File size:586'752 bytes
First seen:2023-10-16 07:45:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 617dba27a346caba173e42b5405eeac8 (2 x Smoke Loader, 1 x Stealc, 1 x RedLineStealer)
ssdeep 12288:3zjPrQ1nt7j612+/yqvOvVAooi2z/9y+sH:3fMxtf612+JvOdjoXy+K
Threatray 72 similar samples on MalwareBazaar
TLSH T1EFC41222B1809033EAA78170EDB5E6E56F7FB87129A1884F77501F3E5E702D19F65382
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 70d0ded9c9c9d2dd (1 x UACModuleSmokeLoader)
Reporter abuse_ch
Tags:exe UACModuleSmokeLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
296
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
37125c296cafcfe190ceaaccba148aac.exe
Verdict:
Malicious activity
Analysis date:
2023-10-16 07:48:11 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Rewriting of the hard drive's master boot record
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
diskwriter greyware packed
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:
96 / 100
Signature
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:
Threat name:
Win32.Trojan.Vidar
Status:
Malicious
First seen:
2023-10-16 07:46:05 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
bootkit persistence
Behaviour
Writes to the Master Boot Record (MBR)
Unpacked files
SH256 hash:
6c3faa9c54a7d44226623afee69d63114957699330dd576092965999550dd19d
MD5 hash:
37125c296cafcfe190ceaaccba148aac
SHA1 hash:
ca2e9eb5bb102c28df093a9df74b08b7736bb491
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:smokeloader_uac_module
Author:Nikolaos 'n0t' Totosis
Description:UAC bypass/file dropped by Smokeloader
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_pitou_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.pitou.

File information


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

Web download

UACModuleSmokeLoader

Executable exe 6c3faa9c54a7d44226623afee69d63114957699330dd576092965999550dd19d

(this sample)

  
Delivery method
Distributed via web download

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