MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1. 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


FRP


Vendor detections: 13


Intelligence 13 IOCs YARA 33 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1
SHA3-384 hash: 9b19045949b66595121d141a551d8ecd6d6dcfb924ec3b60940a5153177813a94bbc471429d8d83285c0571896321b35
SHA1 hash: 13d8b44123e6f9f9a58a9359d0a772566f4eff3b
MD5 hash: 93996829b15b3cf1bb4bd79f2091d72f
humanhash: lemon-juliet-equal-hotel
File name:_frpc_upx_small.exe
Download: download sample
Signature FRP
Create hunting rule
File size:15'403'520 bytes
First seen:2026-06-11 19:40:46 UTC
Last seen:2026-06-11 19:45:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b196866f0bf37f1f128fa153413b744f (11 x FRP, 1 x Sliver)
ssdeep 98304:MtCB9kT0DOgSppogSn41ZbhqkE8E/k2qvPJzfN3KAlA2rWr:SUvSpppdqd8EK3/lAS
Threatray 7 similar samples on MalwareBazaar
TLSH T13EF66B57E8A201F4C1ADD234C5A68263BF317C495B3127D72B50F6283F76BD0AABA750
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 frp upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3d008cb4d346a95396868f786ec6d4fe7e12a0451768f957664abba7469f2cf0
File size (compressed) :4'410'880 bytes
File size (de-compressed) :15'403'520 bytes
Format:win64/pe
Packed file: 3d008cb4d346a95396868f786ec6d4fe7e12a0451768f957664abba7469f2cf0

Intelligence

File Origin
# of uploads :
2
# of downloads :
138
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1.exe
Verdict:
No threats detected
Analysis date:
2026-06-11 19:42:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ff39a9dd-3816-447e-9fe1-cd7f718c9d0e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Proxy.FRP-10059220-0
Create hunting rule

YARA.DITEKSHEN_INDICATOR_TOOL_Fastreverseproxy.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a2b0f7334eaf30d8ce4f7a5
Tags:
vmdetect
Result
Verdict:
Clean
Maliciousness:

Behaviour
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm crypto golang reverseproxy
Link:
https://www.filescan.io/uploads/6a2b0f6a554e843ff868af64/reports/0854aa66-3b29-4f86-82c3-1578b4ec1f90/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1
Verdict:
Adware
File Type:
exe x64
Detections:
not-a-virus:NetTool.Win64.FRP.sb not-a-virus:HEUR:NetTool.Win64.FRP.gen
Link:
https://opentip.kaspersky.com/73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1/results?tab=lookup
Malware family:
Fast Reverse Proxy
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a7aae34a-fcaa-4c5d-be6f-1207e85de79d
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1926857
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1926857 Sample: _frpc_upx_small.exe Startdate: 11/06/2026 Architecture: WINDOWS Score: 48 10 Multi AV Scanner detection for submitted file 2->10 6 _frpc_upx_small.exe 1 2->6         started        process3 process4 8 conhost.exe 6->8         started       
Score:
71%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1/
Verdict:
Malicious
Threat:
NetTool.Win64.FRP
Link:
https://tip.neiki.dev/file/73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oozmahfh6cbl6tmzsqtoa6egcrfxxtfoz2wzbynm6zqwsx62hgyq._file
Verdict:
malicious
Label(s):
wormfrp
Create hunting rule
Similar samples:
37e340f144e894e813c9a30612696e86dad22495ac59013db5317167ffbe7c0d
FRP
73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1
FRP
c9a44c6428fee879e59aa212a95c316e508b06775e2fccc690ae2acbc94493c7
FRP
error
FRP
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260611-yea95sdz3m/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1
MD5 hash:
93996829b15b3cf1bb4bd79f2091d72f
SHA1 hash:
13d8b44123e6f9f9a58a9359d0a772566f4eff3b
Detections:
triage_frp
Create hunting rule
Link:
https://www.unpac.me/results/7c0676a7-0f7d-41ed-ac43-cbb3d0039055/
Parent samples :
3d008cb4d346a95396868f786ec6d4fe7e12a0451768f957664abba7469f2cf0
73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1
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/73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1

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:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
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: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:Go_Malware_Yamux_Variant
Create hunting rule
Author:Gemini
Description:Detects a specific Go-based malware variant using the yamux library, with shared strings and constants across x86 and ARM architectures.
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_TOOL_FastReverseProxy
Create hunting rule
Author:ditekSHen
Description:Detects Fast Reverse Proxy (FRP) tool
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:RemusStealer_GoPayload
Create hunting rule
Author:burger
Description:Detects RemusStealer Go-compiled payload
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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:tool_frp_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Detect fast reverse proxy (frp)
Reference:https://github.com/fatedier/frp
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

FRP

Executable exe 3d008cb4d346a95396868f786ec6d4fe7e12a0451768f957664abba7469f2cf0

FRP

Executable exe 73b2c01ca7f082bf4d999426e07886144b7bccaecead90e1acf661695fda39b1

(this sample)

  
Dropped by
SHA256 3d008cb4d346a95396868f786ec6d4fe7e12a0451768f957664abba7469f2cf0
  
Dropped by
MD5 92bc3b1ba378c14e601c4e617ec7c422

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