MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e36a724b91f0413fe07aed3c572a9084ba14811d339e8d312432bf11258926b9. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments

SHA256 hash: e36a724b91f0413fe07aed3c572a9084ba14811d339e8d312432bf11258926b9
SHA3-384 hash: bfbd50e78f01336b06b08991924b133e90ebaca4173d5637d180d2dc54effebb590ac4f4eee6a4ec341011d288674864
SHA1 hash: b9055d98e275ac990b0d2e269f6b4e1eb79847c2
MD5 hash: f08e702a47af088a494a1954c721e44c
humanhash: pip-carpet-cat-minnesota
File name:SecuriteInfo.com.Win32.TrojanX-gen.12542.9710
Download: download sample
Signature UACModuleSmokeLoader
File size:604'672 bytes
First seen:2024-01-18 09:41:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f8e2cfb7a56570f82711379d2e1b928 (2 x Stealc, 2 x GCleaner, 2 x UACModuleSmokeLoader)
ssdeep 12288:Ni/dmN0+vr3lloV0PArCRgfR8nh1Ry13dz4HfujotZg4Ea:g/ENbvrVJArCRgfeh3cz4Hbu4
TLSH T151D4E11062EC81F5E3F3A93C4A6493A14A2F7C55DA7091AF3AC8157A1F386E1DB21737
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 3370c4d2ccf033da (1 x UACModuleSmokeLoader, 1 x GCleaner, 1 x Stealc)
Reporter SecuriteInfoCom
Tags:exe UACModuleSmokeLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
323
Origin country :
FR FR
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
86%
Tags:
masquerade 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:
88 / 100
Signature
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:
2024-01-18 09:42:10 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  6/10
Tags:
bootkit persistence
Behaviour
Writes to the Master Boot Record (MBR)
Unpacked files
SH256 hash:
e36a724b91f0413fe07aed3c572a9084ba14811d339e8d312432bf11258926b9
MD5 hash:
f08e702a47af088a494a1954c721e44c
SHA1 hash:
b9055d98e275ac990b0d2e269f6b4e1eb79847c2
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:Windows_Trojan_Smokeloader_3687686f
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 e36a724b91f0413fe07aed3c572a9084ba14811d339e8d312432bf11258926b9

(this sample)

  
Delivery method
Distributed via web download

Comments