MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 341559cdf94886f8f52d9f0a9f68b86efe347c5f12f52feb3aab5fd207a27443. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 341559cdf94886f8f52d9f0a9f68b86efe347c5f12f52feb3aab5fd207a27443
SHA3-384 hash: 2f121e830c401239629cddba73367f77d8bdc68b0973de733f50a8aa0bb44ce9880a83de6c4eec0fff4127283072f564
SHA1 hash: a6fae4fcf053a324c7b12e1b264892549f2ceade
MD5 hash: 81168f96d9b17f0440cc86fb849517c5
humanhash: lion-juliet-skylark-missouri
File name:81168f96d9b17f0440cc86fb849517c5.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:258'048 bytes
First seen:2024-01-26 15:36:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b15701595e465ddbc3e7913a44ba0b8 (1 x Smoke Loader, 1 x CoinMiner)
ssdeep 3072:MY21LLg5DLwq9fkLIvr3g6fntE/bLFh20GZ8A5mUVgaHTGi0D3:ALUFLh+0QbqDqLduT4
Threatray 3'021 similar samples on MalwareBazaar
TLSH T150443A82D2D0BC55ED668A3FCE3EC9E8761EB5D18F49776A21145A9B0C702F2C263712
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 030b0b1311292300 (1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
351
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
341559cdf94886f8f52d9f0a9f68b86efe347c5f12f52feb3aab5fd207a27443.exe
Verdict:
Malicious activity
Analysis date:
2024-01-26 15:39:09 UTC
Tags:
loader smoke smokeloader
Link:
https://app.any.run/tasks/c7cc3248-a6de-43dd-a576-8f1fece1724f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/473079/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP GET request
Creating a process from a recently created file
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint mokes packed
Link:
https://www.filescan.io/uploads/65b3d19ebc91f83c8068ee83/reports/767db6a8-e8f7-4f88-ba8c-840cef6998fc/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/341559cdf94886f8f52d9f0a9f68b86efe347c5f12f52feb3aab5fd207a27443
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/e45cae93-fc16-44e6-a933-734c2b429a07
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1381764
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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 detect sleep reduction / modifications
Contains functionality to infect the boot sector
Creates a thread in another existing process (thread injection)
Delayed program exit found
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found malware configuration
Found stalling execution ending in API Sleep call
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 Group Policy settings
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Schedule system process
Snort IDS alert for network traffic
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)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Defender Control Hacktool
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1381764 Sample: FJ0WyOiV8B.exe Startdate: 26/01/2024 Architecture: WINDOWS Score: 100 102 gxutc2c.com 2->102 104 mmtplonline.com 2->104 112 Snort IDS alert for network traffic 2->112 114 Multi AV Scanner detection for domain / URL 2->114 116 Found malware configuration 2->116 118 14 other signatures 2->118 13 FJ0WyOiV8B.exe 2->13         started        16 hafdfht 2->16         started        18 hafdfht 2->18         started        20 2 other processes 2->20 signatures3 process4 signatures5 134 Detected unpacking (changes PE section rights) 13->134 136 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 13->136 138 Maps a DLL or memory area into another process 13->138 22 explorer.exe 11 7 13->22 injected 140 Antivirus detection for dropped file 16->140 142 Multi AV Scanner detection for dropped file 16->142 144 Machine Learning detection for dropped file 16->144 146 Checks if the current machine is a virtual machine (disk enumeration) 18->146 148 Creates a thread in another existing process (thread injection) 18->148 27 WerFault.exe 22 16 20->27         started        process6 dnsIp7 106 91.92.244.44, 80 THEZONEBG Bulgaria 22->106 108 gxutc2c.com 211.168.53.110, 49712, 49713, 49714 LGDACOMLGDACOMCorporationKR Korea Republic of 22->108 110 2 other IPs or domains 22->110 86 C:\Users\user\AppData\Roaming\hafdfht, PE32 22->86 dropped 88 C:\Users\user\AppData\Local\Temp\F000.exe, PE32+ 22->88 dropped 90 C:\Users\user\AppData\Local\Temp\B7D2.exe, PE32 22->90 dropped 92 C:\Users\user\...\hafdfht:Zone.Identifier, ASCII 22->92 dropped 120 System process connects to network (likely due to code injection or exploit) 22->120 122 Benign windows process drops PE files 22->122 124 Deletes itself after installation 22->124 126 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->126 29 F000.exe 43 22->29         started        33 B7D2.exe 22->33         started        file8 signatures9 process10 file11 98 C:\Windows \System32\WINMM.dll, PE32+ 29->98 dropped 100 C:\Windows \System32\winSAT.exe, PE32+ 29->100 dropped 150 Multi AV Scanner detection for dropped file 29->150 152 Detected unpacking (overwrites its own PE header) 29->152 154 Machine Learning detection for dropped file 29->154 160 6 other signatures 29->160 35 winSAT.exe 1 29->35         started        37 winSAT.exe 29->37         started        156 Antivirus detection for dropped file 33->156 158 Contains functionality to infect the boot sector 33->158 39 WerFault.exe 21 33->39         started        signatures12 process13 process14 41 F000.exe 83 35->41         started        45 conhost.exe 35->45         started        file15 94 C:\Windows\System\svchost.exe, PE32+ 41->94 dropped 96 C:\Windows\System\dc.exe, PE32 41->96 dropped 130 Drops executables to the windows directory (C:\Windows) and starts them 41->130 132 Adds a directory exclusion to Windows Defender 41->132 47 svchost.exe 41->47         started        50 dc.exe 41->50         started        53 netsh.exe 41->53         started        55 5 other processes 41->55 signatures16 process17 file18 162 System process connects to network (likely due to code injection or exploit) 47->162 164 Multi AV Scanner detection for dropped file 47->164 166 Detected unpacking (overwrites its own PE header) 47->166 176 3 other signatures 47->176 57 dc.exe 47->57         started        60 netsh.exe 47->60         started        62 netsh.exe 47->62         started        72 2 other processes 47->72 84 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 50->84 dropped 168 Found stalling execution ending in API Sleep call 50->168 170 Allocates memory in foreign processes 50->170 172 Modifies Group Policy settings 50->172 174 Contains functionality to detect sleep reduction / modifications 50->174 64 dc.exe 50->64         started        66 conhost.exe 53->66         started        68 conhost.exe 55->68         started        70 conhost.exe 55->70         started        74 3 other processes 55->74 signatures19 process20 signatures21 128 Allocates memory in foreign processes 57->128 76 conhost.exe 60->76         started        78 conhost.exe 62->78         started        80 conhost.exe 72->80         started        82 conhost.exe 72->82         started        process22
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/341559cdf94886f8f52d9f0a9f68b86efe347c5f12f52feb3aab5fd207a27443
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/341559cdf94886f8f52d9f0a9f68b86efe347c5f12f52feb3aab5fd207a27443/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2024-01-26 15:37:04 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gqkvttpzjcdpr5jnt4fj62fyn37di7c7cl2s72z2vnp5eb5corbq._file
Verdict:
malicious
Similar samples:
341559cdf94886f8f52d9f0a9f68b86efe347c5f12f52feb3aab5fd207a27443
Smoke Loader
404afd3c18b203aa9ce9f8f5f9b7a813fda0d2a322252cd28e002e142080a4f7
Smoke Loader
804f07bc39f1916a886c0ff54055641e124f198e66e79239bb7bf126ae1f96ae
Smoke Loader
c2c188e1268c54261a51deaee8c99af06ec604bf7e873c88e01e3b3d95e0d028
Smoke Loader
c444868d4cbbecd4c7083de14310fcc934d9e60a2c41de4a30057044acd9b962
Smoke Loader
ecfe89307878026257826ff9a3f994d0219099355bc019de45b85cda770d925d
Smoke Loader
f95b01b35d47756420ec9c626d56865c687323473b11e51f141277c746db03a0
Smoke Loader
+ 3'011 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor trojan
Link:
https://tria.ge/reports/240126-s2fv9aggh9/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Deletes itself
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://gxutc2c.com/tmp/index.php
http://proekt8.ru/tmp/index.php
http://mth.com.ua/tmp/index.php
http://pirateking.online/tmp/index.php
http://piratia.pw/tmp/index.php
http://go-piratia.ru/tmp/index.php
Unpacked files
SH256 hash:
ba2abe6e3486f21ddd1f30f96783879e086c3589a5fb8e12d925a3f994a91f62
MD5 hash:
137ced7ac62db40c3b2ea3661536d5ed
SHA1 hash:
e9a2554b90911985b4be4fb924e7290986818f02
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/24a76ad0-9259-438f-b5e6-b90e713e05ba/
Parent samples :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 hash:
341559cdf94886f8f52d9f0a9f68b86efe347c5f12f52feb3aab5fd207a27443
MD5 hash:
81168f96d9b17f0440cc86fb849517c5
SHA1 hash:
a6fae4fcf053a324c7b12e1b264892549f2ceade
Link:
https://www.unpac.me/results/24a76ad0-9259-438f-b5e6-b90e713e05ba/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/341559cdf948/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/341559cdf94886f8f52d9f0a9f68b86efe347c5f12f52feb3aab5fd207a27443

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

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 341559cdf94886f8f52d9f0a9f68b86efe347c5f12f52feb3aab5fd207a27443

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2749336/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/473079/

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