MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a047e637307490e4d86e73e6c2caa0fc429438907b63756c7ca5cbe020143d46. 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

Meterpreter

Vendor detections: 14

Intelligence 14 IOCs YARA 30 File information Comments

SHA256 hash:	a047e637307490e4d86e73e6c2caa0fc429438907b63756c7ca5cbe020143d46
SHA3-384 hash:	472b4b022bf7797daef482ed62e958cd6eaa807bffb4371bdc67beaa4587086cc150fa905ecf20b506aa921ca529590e
SHA1 hash:	04962006c27c5061ae125825973ac22dcaa39b64
MD5 hash:	7f5cbba19756bab023fc18bb5c677a78
humanhash:	apart-lemon-magazine-rugby
File name:	vmwaref.exe
Download:	download sample
Signature	Meterpreter Create hunting rule
File size:	2'030'592 bytes
First seen:	2025-04-28 18:04:18 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	c2d457ad8ac36fc9f18d45bffcd450c2 (24 x CobaltStrike, 8 x Sliver, 5 x Lazarus)
ssdeep	24576:rT/GhoYYNc15P9e2kxj5ccuhkA0J+CTqm3ilMFjqJ3jy/IBz:nQLYNE5P9e2mjog
Threatray	115 similar samples on MalwareBazaar
TLSH	T1A1955A5A7C8418A6D0A7A631A99D75E13532BC054FF52FD327A4F7381FBAAE06E34304
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	LuRisa798
Tags:	exe Meterpreter

Intelligence

File Origin

# of uploads :

# of downloads :

407

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

vmwaref.exe

Verdict:

Malicious activity

Analysis date:

2025-04-28 13:04:26 UTC

Tags:

golang

Link:

https://app.any.run/tasks/882d287c-4b24-4335-9562-a98be5b854c4

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

Meterpreter

Link:

https://www.capesandbox.com/analysis/4769/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=680fc5dfcc5fb3600cc40a7f

Tags:

shellcode emotet beacon virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm golang

Link:

https://www.filescan.io/uploads/680fc35ca8d43a4dd6124c7c/reports/5ddb841c-ee16-4ed9-b8f6-09580b76f26f/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/a047e637307490e4d86e73e6c2caa0fc429438907b63756c7ca5cbe020143d46

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/16cb8a43-27dd-4ee3-8942-db05098230a2

Result

Threat name:

CobaltStrike, Meterpreter

Detection:

malicious

Classification:

troj.evad.mine

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/1676556

Signature

Contains functionality to inject threads in other processes

Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)

Found direct / indirect Syscall (likely to bypass EDR)

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Potentially malicious time measurement code found

Switches to a custom stack to bypass stack traces

Yara detected CobaltStrike Stager

Yara detected Meterpreter

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a047e637307490e4d86e73e6c2caa0fc429438907b63756c7ca5cbe020143d46

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a047e637307490e4d86e73e6c2caa0fc429438907b63756c7ca5cbe020143d46/

Threat name:

Win64.Backdoor.Cobeacon

Status:

Suspicious

First seen:

2025-04-28 18:05:19 UTC

File Type:

PE+ (Exe)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ubd6mnzqosiojwdooptmfsva7rbjioeqpnrxk3d4uxf6aiauhvda._file

Verdict:

malicious

Label(s):

meterpreter

metasploit

Meterpreter

49d14c84d0bc31632505801ad374b96238f5a3b9b7c40dac0a27de8483e3a355

Meterpreter

56bfd939cc96e073fab263387b3088b200e63e6f61dba88f3cddc21e63a67cd2

Meterpreter

892178251f83482008477ccaa954fab33b711b5ef48377de57b69a2d266be916

Meterpreter

8a93cdc65705c26823e6224e067ecf833f2f81a6d61e2ad415e9aac4f706eb16

Meterpreter

a047e637307490e4d86e73e6c2caa0fc429438907b63756c7ca5cbe020143d46

Meterpreter

d87a6bd9df4c47a98929367f5fff171baf3256be9860d26add8d4a59b854b689

Meterpreter

error

Meterpreter

+ 105 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/250428-wn94qaxlv3/

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/51170bb6-1785-449c-9866-7a5bda87ad93

Unpacked files

SH256 hash:

a047e637307490e4d86e73e6c2caa0fc429438907b63756c7ca5cbe020143d46

MD5 hash:

7f5cbba19756bab023fc18bb5c677a78

SHA1 hash:

04962006c27c5061ae125825973ac22dcaa39b64

Link:

https://www.unpac.me/results/755c1996-a69b-4ea4-9cd0-5704010db171/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Metasploit

Score:

0.70

Link:

https://yomi.yoroi.company/submissions/a047e637307490e4d86e73e6c2caa0fc429438907b63756c7ca5cbe020143d46

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:	APT_Lazarus_Loader_Dec_2020_1 Create hunting rule
Author:	Arkbird_SOLG
Description:	Detect loader used by Lazarus group in december 2020
Reference:	Internal Research

Rule name:	APT_PatchWork_BADNEWS_20211105 Create hunting rule
Description:	Detects PatchWork Group RTF or BADNEWS

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

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:	MALWARE_Win_Meterpreter Create hunting rule
Author:	ditekSHen
Description:	Detects Meterpreter payload

Rule name:	meth_peb_parsing Create hunting rule
Author:	Willi Ballenthin

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Windows_Trojan_Metasploit_38b8ceec Create hunting rule
Description:	Identifies the API address lookup function used by metasploit. Also used by other tools (like beacon).

Rule name:	Windows_Trojan_Metasploit_7bc0f998 Create hunting rule
Description:	Identifies the API address lookup function leverage by metasploit shellcode

Rule name:	Windows_Trojan_Metasploit_c9773203 Create hunting rule
Description:	Identifies the 64 bit API hashing function used by Metasploit. This has been re-used by many other malware families.
Reference:	https://github.com/rapid7/metasploit-framework/blob/04e8752b9b74cbaad7cb0ea6129c90e3172580a2/external/source/shellcode/windows/x64/src/block/block_api.asm

File information

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

Cape

https://www.capesandbox.com/analysis/4769/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	kernel32.dll::CloseHandle kernel32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryW kernel32.dll::LoadLibraryExW kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_API	Can Execute other programs	kernel32.dll::WriteConsoleW kernel32.dll::SetConsoleCtrlHandler kernel32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	kernel32.dll::CreateFileA kernel32.dll::GetSystemDirectoryA

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