MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54731e0a4e0abdfa8b535103880e8db2c1e85643c5b8ed59d7f1c724382afd0a. 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: 11


Intelligence 11 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54731e0a4e0abdfa8b535103880e8db2c1e85643c5b8ed59d7f1c724382afd0a
SHA3-384 hash: fe234fe2c8f81017a97cc843dd50461694c82fa6e61c795ab187c9e2a56469ff43e4bed1e3aeaa18787d4735e055696e
SHA1 hash: 95aa946e5b19aba557bef6b8139a004f02c41116
MD5 hash: 972560f13b51bfd638ff97a770711a04
humanhash: december-diet-william-cardinal
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:2'231'424 bytes
First seen:2026-04-14 09:34:55 UTC
Last seen:2026-04-14 14:00:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (279 x Vidar, 92 x Rhadamanthys, 89 x Stealc)
ssdeep 24576:JiyP6Mn7YdC9X1xRDuWZ8wYAg7sEP+yKn6PWecumZPJheleh2Km9qCPR:JiyN7YdC1xRlZ8zA8Gy4dnuDX3p
TLSH T130A55B4B6C9509FAC46997318CB652957B70BC480B3233D72E91BA783F727E06E38754
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Bitsight
Tags:dropped-by-gcleaner exe f MIX8.file signed Smoke Loader

Code Signing Certificate

Organisation:*.kark.com
Issuer:R13
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-24T00:03:21Z
Valid to:2026-06-22T00:03:20Z
Serial number: 056ed53a53de281170c36f3a2db47d7ade1c
Intelligence: 4 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: c201393bcfeb537c126967bf1623da7432fa70eb39589e62db65f280c8a2c728
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://158.94.209.95/service

Intelligence

File Origin
# of uploads :
5
# of downloads :
184
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_54731e0a4e0abdfa8b535103880e8db2c1e85643c5b8ed59d7f1c724382afd0a.exe
Verdict:
Malicious activity
Analysis date:
2026-04-14 09:37:47 UTC
Tags:
golang
Link:
https://app.any.run/tasks/7fef21fc-6e93-4a8e-84c2-00b6fc11716b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/61519/
Detection(s):
SecuriteInfo.com.UntrustedCertificate-9.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FileRepMalware.69446465.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69de0a6945787c53e5398602
Tags:
injection obfusc crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Connection attempt to an infection source
Query of malicious DNS domain
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-vm golang signed
Link:
https://www.filescan.io/uploads/69de0a665ea31bc68a290edf/reports/31ab8dc7-f248-4874-825e-94e6d5c0a7c2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/54731e0a4e0abdfa8b535103880e8db2c1e85643c5b8ed59d7f1c724382afd0a
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-14T06:54:00Z UTC
Last seen:
2026-04-16T04:51:00Z UTC
Hits:
~100
Detections:
Backdoor.Win64.Gsb.sb Backdoor.Win64.Gsb.gen Trojan.Win64.Agent.sb BSS:Trojan.Win32.Generic Backdoor.Win64.Gsb.lr Backdoor.Agent.HTTP.C&C
Link:
https://opentip.kaspersky.com/54731e0a4e0abdfa8b535103880e8db2c1e85643c5b8ed59d7f1c724382afd0a/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/57caaffa-8f1f-4e1c-96b0-a457e0754161
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/54731e0a4e0abdfa8b535103880e8db2c1e85643c5b8ed59d7f1c724382afd0a
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/54731e0a4e0abdfa8b535103880e8db2c1e85643c5b8ed59d7f1c724382afd0a/
Verdict:
Malicious
Threat:
Backdoor.Win64.Gsb
Link:
https://tip.neiki.dev/file/54731e0a4e0abdfa8b535103880e8db2c1e85643c5b8ed59d7f1c724382afd0a
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-04-14 09:35:33 UTC
File Type:
PE+ (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=krzr4csobk67vc2tkebyqdunwla6qvsdyw4o2wox6hdsiobk7ufa._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260414-lkmtxafz3n/
Unpacked files
SH256 hash:
54731e0a4e0abdfa8b535103880e8db2c1e85643c5b8ed59d7f1c724382afd0a
MD5 hash:
972560f13b51bfd638ff97a770711a04
SHA1 hash:
95aa946e5b19aba557bef6b8139a004f02c41116
Link:
https://www.unpac.me/results/adb69ed7-2bbe-4e66-b57c-e1534874176d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/54731e0a4e0a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/54731e0a4e0abdfa8b535103880e8db2c1e85643c5b8ed59d7f1c724382afd0a

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:ThreadControl__Context
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 54731e0a4e0abdfa8b535103880e8db2c1e85643c5b8ed59d7f1c724382afd0a

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/61519/

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