MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5f83c66e93fc7e36cd7141ef14520ddeb95e90a8d86db4882fd9c04c68a1aa0. 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: 12


Intelligence 12 IOCs 1 YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e5f83c66e93fc7e36cd7141ef14520ddeb95e90a8d86db4882fd9c04c68a1aa0
SHA3-384 hash: c6ae15e926adb54564b8f20cc19f94170fd1b4736a8e210a97e9c91e389233987e3cfe6014b6fd6bb1d542e7572beb0a
SHA1 hash: 1ac1b65e8133560a7bc071d8593dc9d7b8156035
MD5 hash: 9c511884e8934dd95e4673647615a26d
humanhash: quebec-wisconsin-angel-bakerloo
File name:f12BhQB.exe
Download: download sample
Signature GoProxy
Create hunting rule
File size:7'783'808 bytes
First seen:2026-02-14 15:25:11 UTC
Last seen:2026-02-14 16:21:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (155 x Vidar, 92 x Rhadamanthys, 74 x Stealc)
ssdeep 49152:YQ+lcq00YZBSPoN709dHl/Fl7/UMIYWfqmdjY5tNmioyqmOG2ThJ9MfzQ8/I3ejG:YDJAYbFSL1Hs5yfXmSPdmFcvrrev8OEP
TLSH T151764903ECA545F9C0AAE23189639252BB71BC481B3123D73B50F7692F76BD06EB9750
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 abuse_ch
Tags:exe GoProxy


Avatar
abuse_ch
GoProxy C2:
http://endlessgrumbler.cc:8080/updater?for=365BCB25A26273DDB4F98D8D4B16A4C2

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://endlessgrumbler.cc:8080/updater?for=365BCB25A26273DDB4F98D8D4B16A4C2 https://threatfox.abuse.ch/ioc/1748257/

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
amadey
Create hunting rule
ID:
1
File name:
New Text Document.bin.exe
Verdict:
Malicious activity
Analysis date:
2026-02-13 18:15:58 UTC
Tags:
auto generic amadey botnet stealer evasion fileshare trustconnect rmm-tool remote xworm hausbomber anti-evasion goproxy telegram maskgram santastealer tightvnc teamviewer python masslogger github systembc sirkeira tinynuke pastebin discord coinminer miner winring0-sys vuln-driver purelogs purecrypter websocket sheet rat barys vidar wallstealer brat redline phishing stealc salatstealer quasar amaterastealer agenttesla xmrig powershell delphi ms-smartcard golang
Link:
https://app.any.run/tasks/e4ae14fd-51b6-49fe-8897-6d019690d59a

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/53334/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=699093ea0d0369ff9979594e
Tags:
phishing lien
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto go golang invalid-signature signed
Link:
https://www.filescan.io/uploads/699093e6981ff1d38a55dc22/reports/040fcaa3-4997-4ef1-8534-264c65a09f42/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e5f83c66e93fc7e36cd7141ef14520ddeb95e90a8d86db4882fd9c04c68a1aa0
Result
Gathering data
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-02-13T14:13:00Z UTC
Last seen:
2026-02-13T14:34:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.Win64.Agent.gen
Link:
https://opentip.kaspersky.com/e5f83c66e93fc7e36cd7141ef14520ddeb95e90a8d86db4882fd9c04c68a1aa0/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c60ec7a7-c004-4227-a1a9-f9e839961848
Result
Threat name:
GoProxy
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1869533
Signature
Antivirus detection for URL or domain
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Uses WMIC command to query system information (often done to detect virtual machines)
Yara detected GoProxy
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1869533 Sample: f12BhQB.exe Startdate: 14/02/2026 Architecture: WINDOWS Score: 84 53 endlessgrumbler.cc 2->53 59 Antivirus detection for URL or domain 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected GoProxy 2->63 65 Joe Sandbox ML detected suspicious sample 2->65 8 f12BhQB.exe 3 2->8         started        13 telegram.exe 2->13         started        signatures3 process4 dnsIp5 55 endlessgrumbler.cc 204.13.238.186, 49725, 49726, 49727 DATACATE-AS1US United States 8->55 51 C:\ProgramData\Telegram\telegram.exe, PE32+ 8->51 dropped 67 Uses WMIC command to query system information (often done to detect virtual machines) 8->67 15 cmd.exe 1 8->15         started        18 cmd.exe 1 8->18         started        20 cmd.exe 1 8->20         started        22 f12BhQB.exe 8->22         started        69 Multi AV Scanner detection for dropped file 13->69 24 cmd.exe 13->24         started        26 cmd.exe 13->26         started        28 cmd.exe 13->28         started        30 cmd.exe 1 13->30         started        file6 signatures7 process8 signatures9 71 Uses WMIC command to query system information (often done to detect virtual machines) 15->71 32 WMIC.exe 1 15->32         started        35 conhost.exe 15->35         started        43 2 other processes 18->43 45 2 other processes 20->45 37 WMIC.exe 1 24->37         started        39 conhost.exe 24->39         started        47 2 other processes 26->47 49 2 other processes 28->49 41 conhost.exe 30->41         started        process10 signatures11 57 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 32->57
Score:
20%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/e5f83c66e93fc7e36cd7141ef14520ddeb95e90a8d86db4882fd9c04c68a1aa0
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/9c511884e8934dd95e4673647615a26d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e5f83c66e93fc7e36cd7141ef14520ddeb95e90a8d86db4882fd9c04c68a1aa0/
Verdict:
Malicious
Threat:
Family.GOPROXY
Link:
https://tip.neiki.dev/file/e5f83c66e93fc7e36cd7141ef14520ddeb95e90a8d86db4882fd9c04c68a1aa0
Threat name:
Win64.Trojan.Tedy
Create hunting rule
Status:
Malicious
First seen:
2026-02-13 20:12:23 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4x4dyzxjh7d6g3gxcqppcrja3xvzl2ikrwdnwsec7woajrukdkqa._file
Result
Malware family:
goproxy
Create hunting rule
Score:
  10/10
Tags:
family:goproxy backdoor
Link:
https://tria.ge/reports/260214-sttgdahx6h/
Behaviour
GoLang User-Agent
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Detects GoProxy payload
GoProxy
Goproxy family
Unpacked files
SH256 hash:
e5f83c66e93fc7e36cd7141ef14520ddeb95e90a8d86db4882fd9c04c68a1aa0
MD5 hash:
9c511884e8934dd95e4673647615a26d
SHA1 hash:
1ac1b65e8133560a7bc071d8593dc9d7b8156035
Link:
https://www.unpac.me/results/065e68ae-a6d9-4b28-a4b1-2ff35aa1f62e/
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
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:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:telebot_framework
Create hunting rule
Author:vietdx.mb
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

GoProxy

Executable exe e5f83c66e93fc7e36cd7141ef14520ddeb95e90a8d86db4882fd9c04c68a1aa0

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/53334/
  
URLhaus
https://urlhaus.abuse.ch/url/3776572/
  
Delivery method
Distributed via web download

Comments