MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef7c5f38e6509d54282bef5877c88035277c816f727480dffde128d42a94df28. 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


RemusStealer


Vendor detections: 8


Intelligence 8 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef7c5f38e6509d54282bef5877c88035277c816f727480dffde128d42a94df28
SHA3-384 hash: 1411b0b26ea6f7a04751810f414bafa2beb864a50af33c17859bdadec0a52bb6f7e5fc6c8fd49ec9fc723bd99b244cdd
SHA1 hash: 1489993559ba5b9032aad0ada2ad0d7568d51239
MD5 hash: 79a72d55d643a0f62ca6313fc62c2e20
humanhash: minnesota-sad-vermont-oven
File name:file
Download: download sample
Signature RemusStealer
Create hunting rule
File size:2'731'376 bytes
First seen:2026-07-31 12:05:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (667 x Vidar, 266 x RemusStealer, 112 x Stealc)
ssdeep 49152:Equ2TQP9/egMjXHaLmxzjp/EmeMXB+pCYoPQ:EJ0x5heQBRw
TLSH T150C56B07BCD248E6C0AA933189B742567B35BC084B3627EB2E90B7782F727D05D36B55
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 MIX1.file RemusStealer signed

Code Signing Certificate

Organisation:gaskilot.biz
Issuer:gaskilot.biz
Algorithm:sha256WithRSAEncryption
Valid from:2026-07-31T11:48:41Z
Valid to:2027-07-31T11:48:41Z
Serial number: 5ebac3baf4224e9b
Thumbprint Algorithm:SHA256
Thumbprint: a89204a933585616c296efd780ce39f5869fb35b67734ce575c236a4dd719133
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://91.92.242.236/service

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection:
Remus
Create hunting rule
Link:
https://www.capesandbox.com/analysis/76940/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.44673856.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Sending an HTTP POST request
Launching a service
Query of malicious DNS domain
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm base64 crypto golang signed
Link:
https://www.filescan.io/uploads/6a6c8f9a19e2865c1e90253a/reports/78d1d7b3-7439-4cee-9cce-892ff36781ed/overview
Verdict:
Suspicious
Labled as:
Trojan/Loader.wi
Link:
https://www.hybrid-analysis.com/sample/ef7c5f38e6509d54282bef5877c88035277c816f727480dffde128d42a94df28
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1aa1f418-ff4d-44f3-bdbf-6cc8a39da976
Score:
74%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef7c5f38e6509d54282bef5877c88035277c816f727480dffde128d42a94df28
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/79a72d55d643a0f62ca6313fc62c2e20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef7c5f38e6509d54282bef5877c88035277c816f727480dffde128d42a94df28/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=556f6ohgkcovikbl55mhpseagutxzalpoj2ibx754eunikuu34ua._file
Verdict:
malicious
Label(s):
Remus
Create hunting rule
Link:
https://reports.threatray.com/7a181aa1-1307-414a-a378-1a78b27b3be4
Result
Malware family:
remus_stealer
Create hunting rule
Score:
  10/10
Tags:
family:remus_stealer discovery spyware stealer
Link:
https://tria.ge/reports/260731-n9krysab22/
Behaviour
Suspicious behavior: EnumeratesProcesses
Browser Information Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detects Remus stealer
Family: Remus
Malware Config
C2 Extraction:
http://zelpx.garden:9895
http://fimmora.surf:6504
http://tzpx.courses:4437
Unpacked files
SH256 hash:
ef7c5f38e6509d54282bef5877c88035277c816f727480dffde128d42a94df28
MD5 hash:
79a72d55d643a0f62ca6313fc62c2e20
SHA1 hash:
1489993559ba5b9032aad0ada2ad0d7568d51239
Link:
https://www.unpac.me/results/6d2ff105-19ab-4ab2-b4f5-74b63728c622/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef7c5f38e650/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/ef7c5f38e6509d54282bef5877c88035277c816f727480dffde128d42a94df28

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:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
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:RemusStealer_GoPayload
Create hunting rule
Author:burger
Description:Detects RemusStealer Go-compiled payload
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

RemusStealer

Executable exe ef7c5f38e6509d54282bef5877c88035277c816f727480dffde128d42a94df28

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/76940/

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