MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35bf9dfd223e02da2ee3d57ec493156787a3c2cecb8b655a583985a2f14cc6e3. 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


Smoke Loader


Vendor detections: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35bf9dfd223e02da2ee3d57ec493156787a3c2cecb8b655a583985a2f14cc6e3
SHA3-384 hash: 18c92c9d48ac798ae5ec8818da2a3d7efb78703e975bcc96a47272964730a5df736a67eb19cc84f847d5f2dd91e273bf
SHA1 hash: 9fec1f659f9fec54d920a0a73c66dfa99d80ef57
MD5 hash: ac6a932b599565bdc10acfecf938c41d
humanhash: cup-fifteen-grey-thirteen
File name:ac6a932b599565bdc10acfecf938c41d.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:283'648 bytes
First seen:2024-06-28 10:47:49 UTC
Last seen:2024-06-28 11:41:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ece384bb259d83e8bf9a2ff95ccbe4a5 (1 x Smoke Loader)
ssdeep 3072:uKf5LPigdxK34S+wt79duyt4J5QJ1+ZtQXGKKXvHAddkxrj:/hLPiILSTBLRt4cuZtQ2Xvnrj
TLSH T1CF54F55275F1B815F2B38B305F3896DC3B3FB8A26D704369A1102F1A5B756A1E90B723
TrID 34.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.8% (.EXE) InstallShield setup (43053/19/16)
18.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
6.3% (.EXE) Win64 Executable (generic) (10523/12/4)
3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 000a130149030404 (1 x Smoke Loader)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader SmokeLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
433
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.BootkitX-gen.22291.23219.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667e951b17db6c2841b20e59win10vpnfull_triage
Tags:
Network Stealth Zpack
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc
Link:
https://www.filescan.io/uploads/667e94e3eae3878d8f3bd38a/reports/2a74ef48-965b-4a6a-9241-9e63daa09228/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/35bf9dfd223e02da2ee3d57ec493156787a3c2cecb8b655a583985a2f14cc6e3
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ae1161e2-d560-4f53-84ce-8b48327040b0
Result
Threat name:
LummaC, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1464108
Signature
AI detected suspicious sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential thread-based time evasion detected
Query firmware table information (likely to detect VMs)
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1464108 Sample: MMNSxD2fJ3.exe Startdate: 28/06/2024 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 9 other signatures 2->60 7 MMNSxD2fJ3.exe 2->7         started        10 crevrdc 2->10         started        12 crevrdc 2->12         started        14 explorer.exe 3 139 2->14         started        process3 dnsIp4 80 Detected unpacking (changes PE section rights) 7->80 82 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->82 84 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->84 86 Switches to a custom stack to bypass stack traces 7->86 17 explorer.exe 33 7 7->17 injected 88 Multi AV Scanner detection for dropped file 10->88 90 Machine Learning detection for dropped file 10->90 92 Maps a DLL or memory area into another process 10->92 94 Checks if the current machine is a virtual machine (disk enumeration) 12->94 96 Creates a thread in another existing process (thread injection) 12->96 52 204.79.197.203 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 14->52 98 System process connects to network (likely due to code injection or exploit) 14->98 100 Query firmware table information (likely to detect VMs) 14->100 signatures5 process6 dnsIp7 46 186.101.193.110 TelconetSAEC Ecuador 17->46 48 141.8.192.31 SPRINTHOSTRU Russian Federation 17->48 50 188.114.96.3 CLOUDFLARENETUS European Union 17->50 30 C:\Users\user\AppData\Roaming\crevrdc, PE32 17->30 dropped 32 C:\Users\user\AppData\Local\Temp\FE62.exe, PE32 17->32 dropped 34 C:\Users\user\AppData\Local\Temp\21F9.exe, PE32 17->34 dropped 36 C:\Users\user\...\crevrdc:Zone.Identifier, ASCII 17->36 dropped 62 System process connects to network (likely due to code injection or exploit) 17->62 64 Benign windows process drops PE files 17->64 66 Deletes itself after installation 17->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->68 22 FE62.exe 17->22         started        25 21F9.exe 3 34 17->25         started        28 WerFault.exe 21 17->28         started        file8 signatures9 process10 file11 70 Multi AV Scanner detection for dropped file 22->70 72 Machine Learning detection for dropped file 22->72 74 Switches to a custom stack to bypass stack traces 22->74 76 LummaC encrypted strings found 22->76 38 C:\Users\user\AppData\Local\Temp\setup.exe, PE32 25->38 dropped 40 C:\Users\user\AppData\Local\...\blowfish.dll, PE32 25->40 dropped 42 C:\Users\user\AppData\Local\...\huge[1].dat, PE32 25->42 dropped 44 2 other files (none is malicious) 25->44 dropped 78 Antivirus detection for dropped file 25->78 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/35bf9dfd223e02da2ee3d57ec493156787a3c2cecb8b655a583985a2f14cc6e3
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/35bf9dfd223e02da2ee3d57ec493156787a3c2cecb8b655a583985a2f14cc6e3/
Threat name:
Win32.Trojan.Operaloader
Create hunting rule
Status:
Malicious
First seen:
2024-06-28 03:25:15 UTC
File Type:
PE (Exe)
Extracted files:
61
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gw7z37jchybnulxd2v7mjeyvm6d2hqwozofwkwsyhgc2f4kmy3rq._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor trojan
Link:
https://tria.ge/reports/240628-mv4qvavgmh/
Behaviour
Checks SCSI registry key(s)
Program crash
SmokeLoader
Unpacked files
SH256 hash:
2cc940134648a7d14de2460c85b0768f2a860507fbb15d3c65f8dece6bb929fd
MD5 hash:
8bece6b91c676aa9a13c7e12ae9ec686
SHA1 hash:
ef8c157e0fa7ac9291bce8162150d9d1b533c023
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/9b982c67-e5f3-46aa-b391-6a5ea6650e4d/
Parent samples :
87e8777acbbe49a81ccb388001948768d3884e8314841fdfa1bc168613f35926
8d1408497beef3ce8d61f4d749d8986e53851bcc7c99343a3d279d367c2614ca
dc01209e1da385103d7a5f9e993b1e079bedfdb6d4df02165724fee01962bb5f
35bf9dfd223e02da2ee3d57ec493156787a3c2cecb8b655a583985a2f14cc6e3
7fc4847438a3867ab9380525626d0cece5f31bd4d148864e4168616c182f7b6e
SH256 hash:
35bf9dfd223e02da2ee3d57ec493156787a3c2cecb8b655a583985a2f14cc6e3
MD5 hash:
ac6a932b599565bdc10acfecf938c41d
SHA1 hash:
9fec1f659f9fec54d920a0a73c66dfa99d80ef57
Detections:
win_zhmimikatz_auto
Create hunting rule
Link:
https://www.unpac.me/results/9b982c67-e5f3-46aa-b391-6a5ea6650e4d/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/35bf9dfd223e/report/overview.html
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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Smoke Loader

Executable exe 35bf9dfd223e02da2ee3d57ec493156787a3c2cecb8b655a583985a2f14cc6e3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2877963/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleAliasesW
KERNEL32.dll::GetConsoleTitleW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::SetVolumeMountPointW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpAddRequestHeaders
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::EnumDependentServicesW

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