MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3c7a1b37fc4d3df3f7e4aa2d827eb8604888f0440f5c5f4b6b75fb46edfe52b. 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 1 YARA 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3c7a1b37fc4d3df3f7e4aa2d827eb8604888f0440f5c5f4b6b75fb46edfe52b
SHA3-384 hash: aa8a8296ea6d70980e826cb522a26f9c89075642bdc471e266b9565e97be8d9d70e5f2c4f95853b908e76de46eb5ed8c
SHA1 hash: 532cf0f7fb2046fb6955b11fdb731a991a575912
MD5 hash: 9ba61fb2a982729d7492e0dd9b1d4ffb
humanhash: speaker-eight-march-muppet
File name:file
Download: download sample
Signature GoProxy
Create hunting rule
File size:6'574'448 bytes
First seen:2026-01-06 16:28:45 UTC
Last seen:2026-01-06 17:31:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (128 x Vidar, 92 x Rhadamanthys, 51 x Stealc)
ssdeep 49152:AT3gIOjhoecmD827Osn6BsDVy8zwOHvGALijeju+dLV0JbMIeZgjsz9dUk1fKiK+:AkBaMNXAvgvtijepRrbz3dbHEO
TLSH T118665B43ECA555E9C0A9E23189A79212BB717C485F3123D72B90F7382F72BD0AEB5750
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/7782139129/l89Sfic.exe

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://bobrecurwarmumsworms.com:8080/updater?for=76AB501390D0C329C365C14CDD1C4CAA https://threatfox.abuse.ch/ioc/1692092/

Intelligence

File Origin
# of uploads :
3
# of downloads :
139
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2026-01-06 16:30:18 UTC
Tags:
goproxy golang
Link:
https://app.any.run/tasks/374adee6-ffa1-4fda-a1e6-2e512716fdda

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/47872/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695d385ce148d42004dfe0a0
Tags:
virus shell lien sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 crypto expand expired-cert golang invalid-signature lolbin signed
Link:
https://www.filescan.io/uploads/695d385b6c34f71773c3b32e/reports/d6b50e47-f72b-4e4d-963b-f70b184c45eb/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b3c7a1b37fc4d3df3f7e4aa2d827eb8604888f0440f5c5f4b6b75fb46edfe52b
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-01-06T13:37:00Z UTC
Last seen:
2026-01-07T18:23:00Z UTC
Hits:
~10
Detections:
VHO:Trojan.Win32.Agent.gen PDM:Trojan.Win32.Generic HEUR:Trojan.Win64.Agent.gen
Link:
https://opentip.kaspersky.com/b3c7a1b37fc4d3df3f7e4aa2d827eb8604888f0440f5c5f4b6b75fb46edfe52b/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/2a2bfac9-0c5b-4bc4-9204-7d13ccd06547
Score:
14%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/b3c7a1b37fc4d3df3f7e4aa2d827eb8604888f0440f5c5f4b6b75fb46edfe52b
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/9ba61fb2a982729d7492e0dd9b1d4ffb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3c7a1b37fc4d3df3f7e4aa2d827eb8604888f0440f5c5f4b6b75fb46edfe52b/
Verdict:
Malicious
Threat:
Trojan.Win64.Agent
Link:
https://tip.neiki.dev/file/b3c7a1b37fc4d3df3f7e4aa2d827eb8604888f0440f5c5f4b6b75fb46edfe52b
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpd2dm37ytj56p36jkrnqj7lqycirdyeid24l5fww5p3i3w74uvq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/260106-tzbn7abj5x/
Behaviour
GoLang User-Agent
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dbd5fbe9-285c-4ecd-a569-407287749bb1
Unpacked files
SH256 hash:
b3c7a1b37fc4d3df3f7e4aa2d827eb8604888f0440f5c5f4b6b75fb46edfe52b
MD5 hash:
9ba61fb2a982729d7492e0dd9b1d4ffb
SHA1 hash:
532cf0f7fb2046fb6955b11fdb731a991a575912
Link:
https://www.unpac.me/results/b91c8347-7cc9-4fad-93fe-4db7821a7bea/
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/b3c7a1b37fc4d3df3f7e4aa2d827eb8604888f0440f5c5f4b6b75fb46edfe52b

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: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 b3c7a1b37fc4d3df3f7e4aa2d827eb8604888f0440f5c5f4b6b75fb46edfe52b

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3751456/
Cape
Cape
https://www.capesandbox.com/analysis/47872/

Comments