MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4500f0d2feadf7c3f582442aad4d48bdd61c5e915827b0212d528d720fe2cc6e. 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: 9


Intelligence 9 IOCs YARA 10 File information Comments

SHA256 hash: 4500f0d2feadf7c3f582442aad4d48bdd61c5e915827b0212d528d720fe2cc6e
SHA3-384 hash: 4b8a53f073884c78de9c53d0d71ea18f68f90005f868c0cd614544729963d631402b45d914912287715af236e7a24c7d
SHA1 hash: f7f617a2d48fc85b004b21f21e2807d341b41a53
MD5 hash: 5a48a6f9fe074f5092674c80b4038df0
humanhash: ack-aspen-venus-south
File name:5a48a6f9fe074f5092674c80b4038df0.exe
Download: download sample
Signature UACModuleSmokeLoader
File size:618'496 bytes
First seen:2023-10-06 14:12:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 17f811fb9fbb291d9e14d743b9df3fe7 (2 x Smoke Loader, 1 x Gozi, 1 x GCleaner)
ssdeep 12288:Vzqv/FttWebM83WjFB2K1fH+iUYQ3woF1BZBfwBLb/F2:Ve/jYeWjFPKV3woF1LBSL7A
Threatray 71 similar samples on MalwareBazaar
TLSH T1B4D4F11263A17C71D4769B369E3DC6E43A1EB8218FA8679A23285F2F0CB11E1D773351
TrID 52.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.5% (.EXE) Win32 Executable (generic) (4505/5/1)
3.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 70d0dcd0d0d8d2dd (3 x Smoke Loader, 2 x RedLineStealer, 1 x UACModuleSmokeLoader)
Reporter abuse_ch
Tags:exe UACModuleSmokeLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
271
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending a custom TCP request
Rewriting of the hard drive's master boot record
Gathering data
Gathering data
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.SmokeLoader
Status:
Malicious
First seen:
2023-10-06 14:13:05 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
21 of 38 (55.26%)
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:
4500f0d2feadf7c3f582442aad4d48bdd61c5e915827b0212d528d720fe2cc6e
MD5 hash:
5a48a6f9fe074f5092674c80b4038df0
SHA1 hash:
f7f617a2d48fc85b004b21f21e2807d341b41a53
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__ConsoleCtrl
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 4500f0d2feadf7c3f582442aad4d48bdd61c5e915827b0212d528d720fe2cc6e

(this sample)

  
Delivery method
Distributed via web download

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