MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bab42842119d7d3edbfbd87244c85dc0ee8375868410a1b8a230b8b9097bdccd. 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 7 File information Comments

SHA256 hash: bab42842119d7d3edbfbd87244c85dc0ee8375868410a1b8a230b8b9097bdccd
SHA3-384 hash: af1b338337ff69c1552ff55dc888cb4b65403dc5b26d99501e69e58db1da07b498be186e113fb287effe78ccf6b8210e
SHA1 hash: 08fd0cdd74a7c267b363edb06947583169150493
MD5 hash: 565c33b6789900829817ba7646176d71
humanhash: papa-nine-beer-virginia
File name:SecuriteInfo.com.Win32.Evo-gen.7354.30121
Download: download sample
Signature UACModuleSmokeLoader
File size:585'728 bytes
First seen:2024-01-18 17:34:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c2ef8d3e41174217744d73a64eadb475 (2 x Stealc, 2 x Smoke Loader, 2 x GCleaner)
ssdeep 12288:bwQNYKIpFC/5GEbBEQfzw4GAfZprjBl+f3zsmmo6B:bH6KIC/gkEQhGABBjBl+fo5o
Threatray 1 similar samples on MalwareBazaar
TLSH T13DC4E12122E483F6E2F32A717572D6A1493B781E2931158F1BD5177D1F2CAE19E3832B
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 3370ccd2ccf033da (36 x Smoke Loader, 10 x Stealc, 8 x GCleaner)
Reporter SecuriteInfoCom
Tags:exe UACModuleSmokeLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
325
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Rewriting of the hard drive's master boot record
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
Contains functionality to infect the boot sector
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Injects a PE file into a foreign processes
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 17:35:08 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
20 of 22 (90.91%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
bootkit persistence
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Writes to the Master Boot Record (MBR)
Unpacked files
SH256 hash:
bab42842119d7d3edbfbd87244c85dc0ee8375868410a1b8a230b8b9097bdccd
MD5 hash:
565c33b6789900829817ba7646176d71
SHA1 hash:
08fd0cdd74a7c267b363edb06947583169150493
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)

File information


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

Web download

UACModuleSmokeLoader

Executable exe bab42842119d7d3edbfbd87244c85dc0ee8375868410a1b8a230b8b9097bdccd

(this sample)

  
Delivery method
Distributed via web download

Comments