MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4773ad3737fb318ec3750c33f15b48b0b0361f605ec1c725fcc9d2cc9280d961. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4773ad3737fb318ec3750c33f15b48b0b0361f605ec1c725fcc9d2cc9280d961
SHA3-384 hash: 100b8bd4177c35116c91021ebd4caea171b5c82d5915f9a7769a3b38e314468a2a14f9d9450f45e9669ce9324adbcbc9
SHA1 hash: fc9e1ec1a40487d0881db4d8ee1f3c10b0163f3a
MD5 hash: 8a6f27e36cd5ae5bf5e3ba51ac3c55d0
humanhash: texas-tennessee-mars-maine
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:356'864 bytes
First seen:2022-12-02 15:32:58 UTC
Last seen:2022-12-02 17:36:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash adf05e4ae4084c6bf3a2c6a5da309837 (25 x Smoke Loader, 15 x Amadey, 1 x RecordBreaker)
ssdeep 6144:l7nIhLGASAYpPBD2wRNO8UpsR+xZLlw5quRjMgU:lz2EAY3VUNmaZ0RQg
Threatray 14'110 similar samples on MalwareBazaar
TLSH T13874CF29F59C9432C44305FD4821CBACAA7FB8715A65D90F23881E5E6EF3FD096623C6
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 fcfc94b4b494d9c1 (16 x Amadey, 15 x Smoke Loader, 5 x RedLineStealer)
Reporter jstrosch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
No threats detected
Analysis date:
2022-12-02 15:37:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b6cecdce-d0a0-4536-8807-9d56e85fa1df

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/341938/
Detection(s):
SecuriteInfo.com.Win32.BotX-gen.15297.12934.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP POST request
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/638a1aafd4d7598ad9043c13/reports/5cb8fc20-45a9-4bce-a499-5801f06e5517/overview
Result
Verdict:
UNKNOWN
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e6b10fcf-58c9-42dc-b74d-786f98814272
Result
Threat name:
Amadey, SmokeLoader, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1126609
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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)
Creates an undocumented autostart registry key
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Amadey bot
Yara detected Amadeys stealer DLL
Yara detected SmokeLoader
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 759335 Sample: file.exe Startdate: 02/12/2022 Architecture: WINDOWS Score: 100 76 t.me 2->76 78 situla.bitbit.net 2->78 80 filebin.net 2->80 106 Multi AV Scanner detection for domain / URL 2->106 108 Malicious sample detected (through community Yara rule) 2->108 110 Antivirus detection for URL or domain 2->110 112 9 other signatures 2->112 11 file.exe 2->11         started        14 cwfgfrf 2->14         started        16 gntuud.exe 2->16         started        signatures3 process4 signatures5 144 Detected unpacking (changes PE section rights) 11->144 146 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 11->146 148 Maps a DLL or memory area into another process 11->148 150 Creates a thread in another existing process (thread injection) 11->150 18 explorer.exe 13 11->18 injected 152 Machine Learning detection for dropped file 14->152 154 Checks if the current machine is a virtual machine (disk enumeration) 14->154 process6 dnsIp7 82 agence-regionale-energetique.fr 185.98.131.146, 443, 49751 RMI-FITECHFR France 18->82 84 r3oidsofsios.com 185.246.221.151, 49705, 49706, 49708 LVLT-10753US Germany 18->84 86 5 other IPs or domains 18->86 64 C:\Users\user\AppData\Roaming\cwfgfrf, PE32 18->64 dropped 66 C:\Users\user\AppData\Local\TempE5E.exe, PE32 18->66 dropped 68 C:\Users\user\AppData\Local\Temp\D4E9.exe, PE32 18->68 dropped 70 4 other malicious files 18->70 dropped 114 System process connects to network (likely due to code injection or exploit) 18->114 116 Benign windows process drops PE files 18->116 118 Injects code into the Windows Explorer (explorer.exe) 18->118 120 3 other signatures 18->120 23 C519.exe 3 18->23         started        27 8FB.exe 3 18->27         started        29 D4E9.exe 18->29         started        31 11 other processes 18->31 file8 signatures9 process10 file11 72 C:\Users\user\AppData\Local\...\gntuud.exe, PE32 23->72 dropped 128 Multi AV Scanner detection for dropped file 23->128 130 Detected unpacking (changes PE section rights) 23->130 132 Detected unpacking (overwrites its own PE header) 23->132 134 Contains functionality to inject code into remote processes 23->134 33 gntuud.exe 4 23->33         started        74 C:\Users\user\AppData\Local\...\gntuud.exe, PE32 27->74 dropped 136 Machine Learning detection for dropped file 27->136 37 gntuud.exe 27->37         started        39 D4E9.exe 29->39         started        138 Writes to foreign memory regions 31->138 140 Allocates memory in foreign processes 31->140 142 Injects a PE file into a foreign processes 31->142 41 vbc.exe 31->41         started        43 conhost.exe 31->43         started        signatures12 process13 file14 56 C:\Users\user\AppData\Roaming\...\cred64.dll, PE32 33->56 dropped 58 C:\Users\user\AppData\Local\...\cred64[1].dll, PE32 33->58 dropped 94 Multi AV Scanner detection for dropped file 33->94 96 Detected unpacking (changes PE section rights) 33->96 98 Detected unpacking (overwrites its own PE header) 33->98 104 2 other signatures 33->104 45 schtasks.exe 33->45         started        60 C:\Users\user\AppData\Roaming\...\cred64.dll, PE32 37->60 dropped 62 C:\Users\user\AppData\Local\...\cred64[1].dll, PE32 37->62 dropped 100 Machine Learning detection for dropped file 37->100 47 D4E9.exe 39->47         started        102 Tries to harvest and steal browser information (history, passwords, etc) 41->102 signatures15 process16 signatures17 50 conhost.exe 45->50         started        156 Injects a PE file into a foreign processes 47->156 52 D4E9.exe 18 47->52         started        process18 dnsIp19 88 t.me 149.154.167.99, 443, 49758, 49884 TELEGRAMRU United Kingdom 52->88 90 168.119.167.188, 49763, 49885, 80 HETZNER-ASDE Germany 52->90 92 192.168.2.1 unknown unknown 52->92 122 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 52->122 124 Tries to harvest and steal browser information (history, passwords, etc) 52->124 126 Tries to steal Crypto Currency Wallets 52->126 signatures20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4773ad3737fb318ec3750c33f15b48b0b0361f605ec1c725fcc9d2cc9280d961/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2022-12-02 15:33:07 UTC
File Type:
PE (Exe)
Extracted files:
50
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i5z22nzx7myy5q3vbqz7cw2iwcydmh3al3a4ojp4zhjmzeua3fqq._file
Verdict:
malicious
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59213ee608a0e6d9e9ee16a78773560ba024e9e94b587dce6ab488fea45eb212
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Smoke Loader
+ 14'100 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/221202-sy76bsef3z/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Downloads MZ/PE file
Detects Smokeloader packer
SmokeLoader
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a91754ff-e63e-4586-95ba-692d445fef05
Unpacked files
SH256 hash:
e97028f53e2a5448ecf5b0ca744e94ca51ea272281d2c6494b74f46bc3c4d661
MD5 hash:
5763c7d74ab2d3df8b55cc762a7435d0
SHA1 hash:
4bc56a0e29f5af2cad1e984cab4580f575beda04
Detections:
win_smokeloader_a2
Create hunting rule
SmokeLoaderStage2
Create hunting rule
Link:
https://www.unpac.me/results/ba881775-a21d-45c1-82a6-f7483f569758/
Parent samples :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 hash:
4773ad3737fb318ec3750c33f15b48b0b0361f605ec1c725fcc9d2cc9280d961
MD5 hash:
8a6f27e36cd5ae5bf5e3ba51ac3c55d0
SHA1 hash:
fc9e1ec1a40487d0881db4d8ee1f3c10b0163f3a
Link:
https://www.unpac.me/results/ba881775-a21d-45c1-82a6-f7483f569758/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4773ad3737fb/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/4773ad3737fb318ec3750c33f15b48b0b0361f605ec1c725fcc9d2cc9280d961

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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

Smoke Loader

Executable exe 4773ad3737fb318ec3750c33f15b48b0b0361f605ec1c725fcc9d2cc9280d961

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2440828/
Cape
Cape
https://www.capesandbox.com/analysis/341938/

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