MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3fda3bcd8fcd0f69bc9bf73acf8c7f4bc467efaed40b593826acfe7f2a370c9. 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: 11


Intelligence 11 IOCs 1 YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3fda3bcd8fcd0f69bc9bf73acf8c7f4bc467efaed40b593826acfe7f2a370c9
SHA3-384 hash: 246e64104abc339b02b23fd30f2832930a10be265d708f746a8f91da0e63c53776fe5432c7c073f273ad85daa94a9646
SHA1 hash: 861a245c080c58413aea3d2940b3afe3121e4015
MD5 hash: 1f43b0ef7c4b5f62fb32f6b787d811c2
humanhash: georgia-wolfram-william-cola
File name:1f43b0ef7c4b5f62fb32f6b787d811c2.exe
Download: download sample
Signature GoProxy
Create hunting rule
File size:6'877'188 bytes
First seen:2025-12-12 22:10:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (110 x Vidar, 92 x Rhadamanthys, 45 x Stealc)
ssdeep 49152:DPEzDUQpC4PTZQ4t+Q+OuYj9mNmqtb2Cx5GNRgdSQnYzM6UbjZ2ea5wKeK9KpvG9:D7Rixmlx5gKSv+vGEE
TLSH T1D8664B03EC9515E9C0EAE2318A66C153BB717C486B3523DB2B90F7782F76BD0AA75710
TrID 50.0% (.EXE) Generic Win/DOS Executable (2002/3)
49.9% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe GoProxy


Avatar
abuse_ch
GoProxy C2:
http://towerbingobongoboom.com:8080/updater?for=81D1B730207B50BC16231686B723B33F

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://towerbingobongoboom.com:8080/updater?for=81D1B730207B50BC16231686B723B33F https://threatfox.abuse.ch/ioc/1677529/

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
36840986-73e1-414d-8957-2074d2f87e26
Verdict:
No threats detected
Analysis date:
2025-12-12 22:11:04 UTC
Tags:
golang
Link:
https://app.any.run/tasks/36840986-73e1-414d-8957-2074d2f87e26

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/44487/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693c92d2a675b653bd109f73
Tags:
spam lien
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b3fda3bcd8fcd0f69bc9bf73acf8c7f4bc467efaed40b593826acfe7f2a370c9
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-06T03:29:00Z UTC
Last seen:
2025-12-08T21:08:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan.Win32.Agent.xcbhhv
Link:
https://opentip.kaspersky.com/b3fda3bcd8fcd0f69bc9bf73acf8c7f4bc467efaed40b593826acfe7f2a370c9/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/9f679bee-0dfb-4a2a-b606-cb48c199b23c
Result
Threat name:
GoProxy
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1831903
Signature
Antivirus detection for URL or domain
Connects to many IPs within the same subnet mask (likely port scanning)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries the IP of a very long domain name
Send many emails (e-Mail Spam)
Uses dynamic DNS services
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: 1831903 Sample: Sij3jhOj9p.exe Startdate: 12/12/2025 Architecture: WINDOWS Score: 96 46 secure.badschoole.xyz 2->46 48 qge3ro6wh3xfr3lez22uc24qkkk4aldvqpqubndqdeuw43phmkmq.mx-verification.google.com 2->48 50 2551 other IPs or domains 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected GoProxy 2->56 62 4 other signatures 2->62 8 Sij3jhOj9p.exe 1 2->8         started        signatures3 58 Performs DNS queries to domains with low reputation 46->58 60 Queries the IP of a very long domain name 48->60 process4 signatures5 66 Performs DNS queries to domains with low reputation 8->66 68 Uses WMIC command to query system information (often done to detect virtual machines) 8->68 11 cmd.exe 1 8->11         started        14 cmd.exe 1 8->14         started        16 Sij3jhOj9p.exe 8->16         started        19 5 other processes 8->19 process6 dnsIp7 70 Uses WMIC command to query system information (often done to detect virtual machines) 11->70 21 WMIC.exe 1 11->21         started        24 conhost.exe 11->24         started        26 WMIC.exe 1 14->26         started        28 conhost.exe 14->28         started        34 youtubepk.xyz 16->34 36 secure.alek.xyz 16->36 42 1250 other IPs or domains 16->42 38 out.plombierkesh.xyz 19->38 40 77.88.21.249 YANDEXRU Russian Federation 19->40 44 389 other IPs or domains 19->44 30 WMIC.exe 1 19->30         started        32 conhost.exe 19->32         started        signatures8 72 Performs DNS queries to domains with low reputation 38->72 process9 signatures10 64 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 21->64
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3fda3bcd8fcd0f69bc9bf73acf8c7f4bc467efaed40b593826acfe7f2a370c9
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/1f43b0ef7c4b5f62fb32f6b787d811c2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3fda3bcd8fcd0f69bc9bf73acf8c7f4bc467efaed40b593826acfe7f2a370c9/
Verdict:
Malicious
Threat:
Trojan.Win32.Agent
Link:
https://tip.neiki.dev/file/b3fda3bcd8fcd0f69bc9bf73acf8c7f4bc467efaed40b593826acfe7f2a370c9
Threat name:
Win64.Adware.RedCap
Create hunting rule
Status:
Malicious
First seen:
2025-12-06 06:09:36 UTC
File Type:
PE+ (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wp62hpgy7tipng6jx5z2z6gh6s6em7x25valle4cnlh6p4vdodeq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery
Link:
https://tria.ge/reports/251212-13l3nawkcv/
Behaviour
GoLang User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Contacts a large (1157) amount of remote hosts
Creates a large amount of network flows
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b2645a05-b29d-437e-a149-8e6741ba0aaa
Unpacked files
SH256 hash:
b3fda3bcd8fcd0f69bc9bf73acf8c7f4bc467efaed40b593826acfe7f2a370c9
MD5 hash:
1f43b0ef7c4b5f62fb32f6b787d811c2
SHA1 hash:
861a245c080c58413aea3d2940b3afe3121e4015
Link:
https://www.unpac.me/results/9d1ef60e-a681-45fa-b0bc-b6597d451249/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b3fda3bcd8fcd0f69bc9bf73acf8c7f4bc467efaed40b593826acfe7f2a370c9

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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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: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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/44487/

Comments