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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1ef45d8c541d231f01558960ffaa2d14cc6f6bdcf3218edd1bbd0244571ce58. 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



Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 29 File information Comments

SHA256 hash: f1ef45d8c541d231f01558960ffaa2d14cc6f6bdcf3218edd1bbd0244571ce58
SHA3-384 hash: b5b67380066c426d28e3977f2994d58ed2d847d2434552749997e2e817847b950cfc8a57646f22571cad24181d22f634
SHA1 hash: c36df980d0225999a6d92567913684a11bff135a
MD5 hash: 6b3153e85969a5301f46084f87df2a32
humanhash: two-pasta-sixteen-eighteen
File name:file
Download: download sample
File size:6'158'768 bytes
First seen:2026-09-27 08:50:39 UTC
Last seen:2026-09-28 07:49:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f2f006e2ecf7172ad368f8289dc96c1 (184 x SalatStealer, 74 x Vidar, 46 x RemusStealer)
ssdeep 49152:e41xkd+oR+VWKu32mGp/GMqmfhDqLthr4XfMA9p6kDGJxUb1mp40ZE:PmtR29ql+Q6gmH
TLSH T140563A1359944254DA4AD375E1BF6203EAB5BC19DB3572E36E006E306F3A3D23AF6B04
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

Code Signing Certificate

Organisation:Onyx Bridge Solutions
Issuer:Onyx Bridge Solutions
Algorithm:sha256WithRSAEncryption
Valid from:2026-09-17T21:24:06Z
Valid to:2027-09-24T21:24:06Z
Serial number: 71654250624c637fc76e1c25be433997
Thumbprint Algorithm:SHA256
Thumbprint: 70a0c3461081e30a209308bcb3035e5c50d3eacaab61eed8d69c2e47fc295bdc
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 :
4
# of downloads :
173
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-27 08:58:26 UTC
Tags:
susp-attachments attachments attc-unc golang stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
injection obfusc spoof virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP POST request
Running batch commands
Creating a process with a hidden window
Launching a process
Moving of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm crypto golang invalid-signature self-signed-cert signed
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-09-27T06:38:00Z UTC
Last seen:
2026-09-28T18:06:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2026-09-27 08:51:57 UTC
File Type:
PE+ (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
defense_evasion discovery execution
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
Checks system information in the registry
Drops file in System32 directory
Unpacked files
SH256 hash:
f1ef45d8c541d231f01558960ffaa2d14cc6f6bdcf3218edd1bbd0244571ce58
MD5 hash:
6b3153e85969a5301f46084f87df2a32
SHA1 hash:
c36df980d0225999a6d92567913684a11bff135a
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:grakate_stealer_nov_2021
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RemusStealer_GoPayload
Author:burger
Description:Detects RemusStealer Go-compiled payload
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:SUSP_ENV_Folder_Root_File_Jan23_1
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious file path pointing to the root of a folder easily accessible via environment variables
Reference:Internal Research
Rule name:telebot_framework
Author:vietdx.mb
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Executable exe f1ef45d8c541d231f01558960ffaa2d14cc6f6bdcf3218edd1bbd0244571ce58

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download

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