MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f73c2ff7df05fca90c08e6ac7a30b97f56a5f62ddc1aed09e0970dc416f995aa. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f73c2ff7df05fca90c08e6ac7a30b97f56a5f62ddc1aed09e0970dc416f995aa
SHA3-384 hash: eac901327ec96862c5710a3ae5f75cf93ef603e54496fd12d01aa8eda24ac7803f65d4750066420dc92838fe80755959
SHA1 hash: 06335c12d2dc398efa4956674628debaf8a22b39
MD5 hash: 6bcbbfac4eb7dbecb5a44983645a75db
humanhash: nineteen-seven-artist-jupiter
File name:6bcbbfac4eb7dbecb5a44983645a75db
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:245'760 bytes
First seen:2024-05-12 19:29:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e2c2b55d2df3fb9f14086da4e39f3ab2 (1 x RiseProStealer, 1 x Smoke Loader, 1 x Stealc)
ssdeep 3072:SR9BalQW+4t/2Rxpw3qcBsWkW+Nm/WXdJgr5QbgaHbWk18tKbTD94nXU3XnSo1s:SQEe619WZLSbgaH780pyXUSo
TLSH T13734BE4235E1C076E4B306318970D9B0563EFCBA9E749A5733983F0F78736D09A66B62
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) (4504/4/1)
File icon (PE):PE icon
dhash icon 0002013103233b0b (1 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
409
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f73c2ff7df05fca90c08e6ac7a30b97f56a5f62ddc1aed09e0970dc416f995aa.exe
Verdict:
Malicious activity
Analysis date:
2024-05-12 19:30:36 UTC
Tags:
loader smokeloader discord
Link:
https://app.any.run/tasks/b2bec4bb-d587-4733-9ba2-742426b6f026

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
71%
Tags:
packed smokeloader
Link:
https://www.filescan.io/uploads/664118bba82a5106c5fd40d7/reports/c8aaa52e-1d21-4526-ac8b-b465cd1f6fe8/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f73c2ff7df05fca90c08e6ac7a30b97f56a5f62ddc1aed09e0970dc416f995aa
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/486ca893-462a-4a96-91b7-5d828eb81c4d
Result
Threat name:
Babuk, Djvu, PrivateLoader, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1440220
Signature
Antivirus / Scanner detection for submitted 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)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses cmd line tools excessively to alter registry or file data
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Yara detected PrivateLoader
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1440220 Sample: fx28wfnZ4J.exe Startdate: 12/05/2024 Architecture: WINDOWS Score: 100 76 www.safeautomationbd.com 2->76 78 trad-einmyus.com 2->78 80 9 other IPs or domains 2->80 92 Snort IDS alert for network traffic 2->92 94 Multi AV Scanner detection for domain / URL 2->94 96 Found malware configuration 2->96 98 11 other signatures 2->98 11 fx28wfnZ4J.exe 2->11         started        14 cfbvejf 2->14         started        16 483F.exe 2->16         started        18 explorer.exe 2->18         started        signatures3 process4 signatures5 112 Detected unpacking (changes PE section rights) 11->112 114 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 11->114 116 Maps a DLL or memory area into another process 11->116 132 2 other signatures 11->132 20 explorer.exe 31 18 11->20 injected 118 Antivirus detection for dropped file 14->118 120 Multi AV Scanner detection for dropped file 14->120 122 Machine Learning detection for dropped file 14->122 124 Detected unpacking (overwrites its own PE header) 16->124 126 Writes a notice file (html or txt) to demand a ransom 16->126 128 Injects a PE file into a foreign processes 16->128 25 483F.exe 16->25         started        130 Query firmware table information (likely to detect VMs) 18->130 process6 dnsIp7 82 nessotechbd.com 192.185.16.114, 443, 49741 UNIFIEDLAYER-AS-1US United States 20->82 84 sdfjhuz.com 186.182.55.44, 49737, 80 TechtelLMDSComunicacionesInteractivasSAAR Argentina 20->84 86 8 other IPs or domains 20->86 60 C:\Users\user\AppData\Roaming\cfbvejf, PE32 20->60 dropped 62 C:\Users\user\AppData\Local\Temp\483F.exe, PE32 20->62 dropped 64 C:\Users\user\...\cfbvejf:Zone.Identifier, ASCII 20->64 dropped 102 System process connects to network (likely due to code injection or exploit) 20->102 104 Benign windows process drops PE files 20->104 106 Deletes itself after installation 20->106 108 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->108 27 483F.exe 20->27         started        30 483F.exe 20->30         started        32 cmd.exe 1 20->32         started        34 3 other processes 20->34 file8 signatures9 process10 signatures11 134 Antivirus detection for dropped file 27->134 136 Multi AV Scanner detection for dropped file 27->136 138 Detected unpacking (changes PE section rights) 27->138 144 3 other signatures 27->144 36 483F.exe 1 16 27->36         started        140 Injects a PE file into a foreign processes 30->140 40 483F.exe 30->40         started        142 Uses cmd line tools excessively to alter registry or file data 32->142 43 conhost.exe 32->43         started        45 reg.exe 1 1 32->45         started        47 conhost.exe 34->47         started        49 483F.exe 13 34->49         started        51 reg.exe 1 34->51         started        process12 dnsIp13 88 api.2ip.ua 172.67.139.220, 443, 49740, 49744 CLOUDFLARENETUS United States 36->88 66 C:\Users\user\AppData\Local\...\483F.exe, PE32 36->66 dropped 53 483F.exe 36->53         started        56 icacls.exe 36->56         started        90 cajgtus.com 190.13.174.94, 49750, 80 TelefonicadelSurSACL Chile 40->90 68 C:\Users\user\_README.txt, ASCII 40->68 dropped 70 C:\Users\user\Desktop\ONBQCLYSPU.png, data 40->70 dropped 72 C:\Users\user\Desktop72WTVCDUMOB.mp3, data 40->72 dropped 74 2 other malicious files 40->74 dropped 110 Modifies existing user documents (likely ransomware behavior) 40->110 file14 signatures15 process16 signatures17 100 Injects a PE file into a foreign processes 53->100 58 483F.exe 13 53->58         started        process18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f73c2ff7df05fca90c08e6ac7a30b97f56a5f62ddc1aed09e0970dc416f995aa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f73c2ff7df05fca90c08e6ac7a30b97f56a5f62ddc1aed09e0970dc416f995aa/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2024-05-12 11:35:13 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=646c7567ax6ksdai42whumfzp5lkl5rn3qno2cpas4g4ifxzswva._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor persistence trojan
Link:
https://tria.ge/reports/240512-x7s5zscf7w/
Behaviour
Checks SCSI registry key(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Deletes itself
Modifies Installed Components in the registry
SmokeLoader
Malware Config
C2 Extraction:
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
Unpacked files
SH256 hash:
f73c2ff7df05fca90c08e6ac7a30b97f56a5f62ddc1aed09e0970dc416f995aa
MD5 hash:
6bcbbfac4eb7dbecb5a44983645a75db
SHA1 hash:
06335c12d2dc398efa4956674628debaf8a22b39
Link:
https://www.unpac.me/results/bae18a6d-c2ac-4eeb-a408-caad641748c8/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f73c2ff7df05/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/f73c2ff7df05fca90c08e6ac7a30b97f56a5f62ddc1aed09e0970dc416f995aa

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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Windows_Trojan_Generic_2993e5a5
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

Smoke Loader

Executable exe f73c2ff7df05fca90c08e6ac7a30b97f56a5f62ddc1aed09e0970dc416f995aa

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2847930/

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::FindFirstVolumeMountPointW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::RemoveDirectoryA
KERNEL32.dll::GetTempPathA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA

Comments


Avatar
zbet commented on 2024-05-12 19:29:09 UTC

url : hxxp://file-file-host6.com/downloads/toolspub1.exe