MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3690441d255e923934221ee1e394f3536a11ce793d34c6466ce7a29e2577857. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3690441d255e923934221ee1e394f3536a11ce793d34c6466ce7a29e2577857
SHA3-384 hash: fcab2be125c691a5e15cc1dfb4f35da7fc2f7bbf0eaa490e15a9d5560eff7a2fbcd308a441be9f2a5cafa85949f0a2b6
SHA1 hash: 2b879c1f5a76c40207125d7d804703576f68e70c
MD5 hash: 2a31f0b1adaedf380035dc18c27e9438
humanhash: montana-fifteen-alpha-idaho
File name:2a31f0b1adaedf380035dc18c27e9438.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:301'568 bytes
First seen:2023-10-11 19:31:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c0a3c238d9ecfd3e9ab3d94bcbfed84e (2 x LummaStealer, 1 x Tofsee, 1 x Smoke Loader)
ssdeep 3072:wvNXfrYz6tXkzdabVOYchPp1M297RUFKlCM54Q9CL1630:CNzYz6tXUyVe39RJlCM6Qyg
TLSH T146547D03B3A17C67E5624B329D2DC6A4362EFDD28F18669A22547B3F4C711A1C672B13
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 70d0dcd0d8d8d2dd (2 x Smoke Loader, 1 x RedLineStealer)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
277
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2a31f0b1adaedf380035dc18c27e9438.exe
Verdict:
Malicious activity
Analysis date:
2023-10-11 19:58:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3843f644-08df-4ab1-887e-03dfd02d4592

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/453486/
Detection(s):
SecuriteInfo.com.Win32.BotX-gen.22024.12668.UNOFFICIAL
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 POST request
Sending a custom TCP request
Searching for synchronization primitives
Unauthorized injection to a system process
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware xpack
Link:
https://www.filescan.io/uploads/6526f8328d16e62970c18b9a/reports/fca183e2-04c8-40d5-8680-539b5ff640b7/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f3690441d255e923934221ee1e394f3536a11ce793d34c6466ce7a29e2577857
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/a2b1d4e3-cfd7-43e2-81ec-4af4d51bdf5b
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1324098
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)
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)
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
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 dnsIp2 2 Behavior Graph ID: 1324098 Sample: aZI2bRnRGN.exe Startdate: 11/10/2023 Architecture: WINDOWS Score: 100 23 wirtshauspost.at 2->23 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 4 other signatures 2->41 7 aZI2bRnRGN.exe 2->7         started        10 gsruwti 2->10         started        12 gsruwti 2->12         started        signatures3 process4 signatures5 43 Detected unpacking (changes PE section rights) 7->43 45 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->45 47 Maps a DLL or memory area into another process 7->47 55 2 other signatures 7->55 14 explorer.exe 38 3 7->14 injected 49 Antivirus detection for dropped file 10->49 51 Machine Learning detection for dropped file 10->51 53 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->53 process6 dnsIp7 25 wirtshauspost.at 123.140.161.243, 49711, 49712, 49713 LGDACOMLGDACOMCorporationKR Korea Republic of 14->25 27 5.226.141.207, 49728, 80 BANDWIDTH-ASGB United Kingdom 14->27 19 C:\Users\user\AppData\Roaming\gsruwti, PE32 14->19 dropped 21 C:\Users\user\...\gsruwti:Zone.Identifier, ASCII 14->21 dropped 29 Benign windows process drops PE files 14->29 31 Deletes itself after installation 14->31 33 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->33 file8 signatures9
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f3690441d255e923934221ee1e394f3536a11ce793d34c6466ce7a29e2577857/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-11 04:58:26 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6nuqiqoskxushe2cehxb4okpgu3kchhhspjuyzdgzz5ctysxpblq._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub4 backdoor trojan
Link:
https://tria.ge/reports/231011-x8ezraaf47/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://wirtshauspost.at/tmp/
http://msktk.ru/tmp/
http://soetegem.com/tmp/
http://gromograd.ru/tmp/
http://talesofpirates.net/tmp/
Unpacked files
SH256 hash:
1841ba0efee1c1739a985c5ce8ba50499b1d9a3998179f8c60cad37de06e94cf
MD5 hash:
e160632d3059af565697d32002485b5a
SHA1 hash:
b3a5839301c9cd4fefec03d8468bf84cb61451a3
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/544cc0d0-7754-4806-befc-a47966b52729/
Parent samples :
ed3d3c7ea2def6256c7c068239abf27ad41589859675386a391dbb30b07eb57c
6a302e65ae3cd7ceb6a94b2753f1a3223b189355eecbe443b0fd45722a495f48
661619bee5d7b2c990720d645d7def09c3de41a964acc6ddc77866b8e283a37b
f3690441d255e923934221ee1e394f3536a11ce793d34c6466ce7a29e2577857
19119a6c77015d4648fb38250614b86fd3f6ffd5e1b4ebc457eef2f90db46e6a
99063294db6384dbe30caa07b0dccca9a8c62276f2987d0c643d0ea7bb8b4ff2
ed5858af8476036c1914ff346745b794c74a98bbb2fa8edba77bfc497a6471a8
35416fc3b1be5d63574fab368830e544a73a1dd15a6b68f0859f85f2097d7355
212f3f74cd96e2e08855fabc350bd0e96af86c025eebfcec8a9b78d153b70985
359c7a9295f5c54a78cde6981f6637e134fc7a23819e80f928ea805bcf98430f
898a57544bdfbaac62372f1b7bc63610750c0f377c66c372e34909e6c5f474c5
SH256 hash:
f3690441d255e923934221ee1e394f3536a11ce793d34c6466ce7a29e2577857
MD5 hash:
2a31f0b1adaedf380035dc18c27e9438
SHA1 hash:
2b879c1f5a76c40207125d7d804703576f68e70c
Link:
https://www.unpac.me/results/544cc0d0-7754-4806-befc-a47966b52729/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f3690441d255/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/f3690441d255e923934221ee1e394f3536a11ce793d34c6466ce7a29e2577857

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 f3690441d255e923934221ee1e394f3536a11ce793d34c6466ce7a29e2577857

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2712503/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/453486/

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