MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7bcd3b53be8e948a373b5552ebfafebaf90f9257cfde38a90c73092aa07574b. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7bcd3b53be8e948a373b5552ebfafebaf90f9257cfde38a90c73092aa07574b
SHA3-384 hash: 84dafb793fe47a925574c6c60750aeaf2bfa27e55cdd39dc7ce32818324fbab10a8edf5e7c249576731474a1a80a8827
SHA1 hash: 8fec4ebbccd04bcb3ee5f1509af14fddf269f56c
MD5 hash: 11940208eae9fc4c53ccd847f75974b7
humanhash: carbon-uncle-asparagus-fillet
File name:SecuriteInfo.com.BScope.Malware-Cryptor.Win32.313.2936.29403
Download: download sample
Signature UACModuleSmokeLoader
Create hunting rule
File size:585'728 bytes
First seen:2024-01-18 19:26:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eca83d04a8476bcc568e22f1bc0330c0 (2 x UACModuleSmokeLoader, 2 x Stealc, 2 x GCleaner)
ssdeep 12288:nCtNCI/R1EzaHlTDq3J4hfgaeMEf39mYmlQXWrsJH/zZcz5XDXDEyd311f8OhVGL:C7rlTuYRe/ELGfiRDXb35h3T
TLSH T159C4E01132E1B336E7F36E708571E6958AFBB8626971618F16C51A7E1E246F0CF2031B
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 :
317
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/471557/
Detection(s):
SecuriteInfo.com.BScope.Malware-Cryptor.Win32.313.2936.29403.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Rewriting of the hard drive's master boot record
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
diskwriter packed redcap
Link:
https://www.filescan.io/uploads/65a97b8894d1aebfb2a5e2ad/reports/472d8d0d-ba10-48d2-a705-0b533bfcdee4/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b7bcd3b53be8e948a373b5552ebfafebaf90f9257cfde38a90c73092aa07574b
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.
Malware family:
Pitou
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e1fd2209-c3f1-497c-be7a-1e10168fcd41
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1376999
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:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b7bcd3b53be8e948a373b5552ebfafebaf90f9257cfde38a90c73092aa07574b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7bcd3b53be8e948a373b5552ebfafebaf90f9257cfde38a90c73092aa07574b/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-01-18 19:27:04 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w66nhnj35duuri3twvks5p5p5oxzb6jfpt66hcuqy4yjfkqhk5fq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  6/10
Tags:
bootkit persistence
Link:
https://tria.ge/reports/240118-x53lmsfgfn/
Behaviour
Writes to the Master Boot Record (MBR)
Unpacked files
SH256 hash:
34214083ce60696dc171d58c3152856c1a0eb661a4741e22a340bdd52258b130
MD5 hash:
a88a0c4d6e13fae0fe18355522632341
SHA1 hash:
7efeee839a564461fdafc79a3c22d490137a6ef7
Link:
https://www.unpac.me/results/92c987f7-cacb-498b-ab9e-a2fb28309775/
Parent samples :
6c3faa9c54a7d44226623afee69d63114957699330dd576092965999550dd19d
f5ab502850f557c78d1ad09eb855a47ff25ce8aa00e8d67b4144a88228ebca3c
8a4eddeda8fecb5a816a28f0760ee4d0d8bf23edbda384a5913d631d676c7438
6a9ed12c03ce93c32945020a180464af9589be469a9193160f6eb7b45e4ede04
e92de9eadeef273bd294c6eceb92f750768766a79c215843e948f37b95bb6723
b565fe1734ee581763ff75a4e26f262d8268333f675d0a5bc2681950bc4ff6cc
66e164f2a4ea3b37586ceb2d699aa89e8a9475e9cd25c51476fd0a7d307df76a
SH256 hash:
b7bcd3b53be8e948a373b5552ebfafebaf90f9257cfde38a90c73092aa07574b
MD5 hash:
11940208eae9fc4c53ccd847f75974b7
SHA1 hash:
8fec4ebbccd04bcb3ee5f1509af14fddf269f56c
Link:
https://www.unpac.me/results/92c987f7-cacb-498b-ab9e-a2fb28309775/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b7bcd3b53be8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b7bcd3b53be8e948a373b5552ebfafebaf90f9257cfde38a90c73092aa07574b

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ICMLuaUtil_UACMe_M41
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
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 b7bcd3b53be8e948a373b5552ebfafebaf90f9257cfde38a90c73092aa07574b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2749165/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/471557/

Comments