MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bd1aa5448b72cd1a06fbe59baba59597891b0a94aeaff8cf390db5608f48920. 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



GoProxy


Vendor detections: 9


Intelligence 9 IOCs YARA 28 File information Comments

SHA256 hash: 3bd1aa5448b72cd1a06fbe59baba59597891b0a94aeaff8cf390db5608f48920
SHA3-384 hash: 6286f0389031a780b47d78dc324a96bb6e5cba869c7b4e45de4373caf3925fe83dd10efc3fd12aefe997f7ca0fc5df72
SHA1 hash: 8a3753fe203f18835d9042e2f5e070bad41fd457
MD5 hash: 8258eb6e4614e63f606d1c164a2d9501
humanhash: black-cola-cat-robin
File name:file
Download: download sample
Signature GoProxy
File size:6'670'072 bytes
First seen:2026-02-08 15:58:01 UTC
Last seen:2026-02-08 16:21:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (155 x Vidar, 92 x Rhadamanthys, 74 x Stealc)
ssdeep 49152:zfNps4MsamT2q81uVAK3JVQUYGi65HpssogB649hcx0Fba02ujZMWK9oUKdfKiKA:z7WC/c6Z7Bn4luM9abb5Ew
TLSH T138664A03ECA155E9C0BAE2348A769362BA717C885B3123D72F50F7282F76BD06E75750
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 GoProxy


Avatar
Bitsight
url: http://130.12.180.43/files/748049926/GoU81HQ.exe

Intelligence


File Origin
# of uploads :
13
# of downloads :
100
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_3bd1aa5448b72cd1a06fbe59baba59597891b0a94aeaff8cf390db5608f48920.exe
Verdict:
Malicious activity
Analysis date:
2026-02-08 16:00:22 UTC
Tags:
goproxy golang

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
injection obfusc
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file
Restart of the analyzed sample
Сreating synchronization primitives
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 crypto expand go golang invalid-signature lolbin signed
Result
Gathering data
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Tedy
Status:
Malicious
First seen:
2026-02-08 15:58:39 UTC
File Type:
PE+ (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
GoLang User-Agent
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
3bd1aa5448b72cd1a06fbe59baba59597891b0a94aeaff8cf390db5608f48920
MD5 hash:
8258eb6e4614e63f606d1c164a2d9501
SHA1 hash:
8a3753fe203f18835d9042e2f5e070bad41fd457
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:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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: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:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
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:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:ThreadControl__Context
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

GoProxy

Executable exe 3bd1aa5448b72cd1a06fbe59baba59597891b0a94aeaff8cf390db5608f48920

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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