MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efe55660216952e2848155b0b1aef49d07c33404d20b9ddcbe59838eda1a1570. 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

ConnectWise

Vendor detections: 12

Intelligence 12 IOCs YARA 12 File information Comments

SHA256 hash:	efe55660216952e2848155b0b1aef49d07c33404d20b9ddcbe59838eda1a1570
SHA3-384 hash:	5553b3ce4124b98215bd67802dddaa458668cd1b01456494dca039902b17811d44bf48cedb010a0ca94c7acb54fb1a17
SHA1 hash:	2b7812e4762b52b5919d12f68c3f58eb72ef8349
MD5 hash:	aa5cbca5a03ab1a19d0d9039c3ec7618
humanhash:	shade-music-juliet-freddie
File name:	RsvpInvitation087638827nbhdr3.exe
Download:	download sample
Signature	ConnectWise Create hunting rule
File size:	5'667'288 bytes
First seen:	2025-06-24 19:12:52 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	9771ee6344923fa220489ab01239bdfd (243 x ConnectWise)
ssdeep	49152:ufRBDtJkGYYpT0+TFiH7efP3nrGLq7FVsLBe+1GVxrKlsuwGenGwfZVkVjOi8if0:Kqs6efP3rn/TYGVxz3GBwRVkGuyXOM
Threatray	520 similar samples on MalwareBazaar
TLSH	T1AF46F141B3D695B5D0BF0638D87A52A65634BC108312CBFF57A4BD296D32BC08E7237A
TrID	40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	Anonymous
Tags:	ConnectWise exe signed

Code Signing Certificate

Organisation:	Connectwise, LLC
Issuer:	DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:	sha256WithRSAEncryption
Valid from:	2022-07-13T00:00:00Z
Valid to:	2025-07-12T23:59:59Z
Serial number:	0fc890218ebc1b3c4b8521f655979371
Intelligence:	6 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	d03556ae33727e478ea2791c72e0d18fd25da9d48446ebc6334df57d1148e5a6
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

446

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

RsvpInvitation087638827nbhdr3.exe

Verdict:

Malicious activity

Analysis date:

2025-06-24 19:18:17 UTC

Tags:

screenconnect rmm-tool remote rat

Link:

https://app.any.run/tasks/3d9060ee-09ee-4290-96be-a8ef8fba88d8

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/10961/

Detection(s):

Sanesecurity.Malware.29065.SC.UNOFFICIAL

SecuriteInfo.com.Trojan.Siggen26.37800.12014.29258.UNOFFICIAL

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=685af8e432ed47a3a8d6cccb

Tags:

connectwise shellcode dropper spawn

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% subdirectories

Сreating synchronization primitives

Launching a process

Creating a file

Creating a window

Searching for synchronization primitives

Loading a suspicious library

Modifying a system file

Creating a file in the Windows subdirectories

Creating a file in the Program Files subdirectories

Creating a service

Launching a service

Creating a process from a recently created file

Searching for the window

DNS request

Moving a file to the Windows subdirectory

Connecting to a non-recommended domain

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Possible injection to a system process

Enabling autorun with the shell\open\command registry branches

Enabling autorun

Enabling autorun for a service

Unauthorized injection to a recently created process

Verdict:

Malicious

Labled as:

RemoteAdmin.ConnectWiseControl

Link:

https://www.hybrid-analysis.com/sample/efe55660216952e2848155b0b1aef49d07c33404d20b9ddcbe59838eda1a1570

Malware family:

ScreenConnect Software

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/0c4b0b9b-a8fb-48cc-9f6b-745591aab714

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/efe55660216952e2848155b0b1aef49d07c33404d20b9ddcbe59838eda1a1570

Verdict:

inconclusive

YARA:

8 match(es)

Tags:

CAB:COMPRESSION:LZX Executable PE (Portable Executable) Win 32 Exe x86

Link:

https://app.malva.re/file/aa5cbca5a03ab1a19d0d9039c3ec7618

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/efe55660216952e2848155b0b1aef49d07c33404d20b9ddcbe59838eda1a1570/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=57svmybbnfjofbebkwyldlxutud4gnae2ifz3xf6lgby5wq2cvya._file

Verdict:

malicious

Label(s):

admintool_screenconnect

Result

Malware family:

n/a

Score:

8/10

Tags:

discovery persistence privilege_escalation

Link:

https://tria.ge/reports/250624-xxawnax1as/

Behaviour

Checks SCSI registry key(s)

Checks processor information in registry

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Uses Volume Shadow Copy service COM API

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Drops file in Windows directory

Executes dropped EXE

Loads dropped DLL

Boot or Logon Autostart Execution: Authentication Package

Checks computer location settings

Drops file in System32 directory

Event Triggered Execution: Component Object Model Hijacking

Enumerates connected drives

Sets service image path in registry

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/672c4bc6-2b3d-4208-a626-30547d6ae574

Unpacked files

SH256 hash:

efe55660216952e2848155b0b1aef49d07c33404d20b9ddcbe59838eda1a1570

MD5 hash:

aa5cbca5a03ab1a19d0d9039c3ec7618

SHA1 hash:

2b7812e4762b52b5919d12f68c3f58eb72ef8349

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

SH256 hash:

8a55c15cc76e31042e17458c479772aa95bc1b908016c85b1dc8b8e3eff23254

MD5 hash:

decb1fd20d75e6eade9289cc24605f29

SHA1 hash:

5169602d641c4f2ebd9ca0639622949e00c25566

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

SH256 hash:

289a4eea79baa4141744e44d60db713e18b5f23322663c63047962f51b467614

MD5 hash:

48979a1a6d3badea8124bce04b1e01a5

SHA1 hash:

06931bd96343ce167eda796112a30ca8d9fa536a

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

SH256 hash:

41300f9814fd488d532df42dff10c272f939dfd31f8d989d60c8f404c40c0860

MD5 hash:

9079ccb59d5cd1fbcc9c85d0b7b70813

SHA1 hash:

0c5fdf8478d50bff2a002f2852e6297a62018b65

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

SH256 hash:

cc5bbdaec0d18a976eb708ee88eb1d540273f90bc5734b20d8b8dbda7d5665a8

MD5 hash:

bc3ccfb217ada2444ca7d2262d60cda9

SHA1 hash:

209dc8f282f032cff1e0dd184644d642e7ffdae9

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

SH256 hash:

d9c664cfd3056aa7c523730460c975bfbd5ae41cdca4fd763d9671340a20bc1d

MD5 hash:

f498533c54f48973958f9ea2a46b1b4c

SHA1 hash:

2999637f67c7bae24defb3d558b33d55685a84f2

Detections:

INDICATOR_RMM_ConnectWise_ScreenConnect

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

Parent samples :

aecdb3797b26498f5b9938caf0f8d6f4ea0f59c7ca8327bfda067826c8768763
efe55660216952e2848155b0b1aef49d07c33404d20b9ddcbe59838eda1a1570
79334f591dff477735137892f04c94ac6de2f37e58ea2867f56862af81cef732
b538713f852bb850cf8e42c9d71f93e6c65654f77357a56d31ab184e2b79e299
e880ec28012419556fdde046ccb3e8665efa97e2722755f15cedbd54c6c31c51

SH256 hash:

1e9eacd3c680b18f3bfee12a835a49d63fed76056aedb2b2ef312999eb6b4033

MD5 hash:

d254a2107a0ede952aa99f5a8feb5a04

SHA1 hash:

322ddaf1cc80e5c392ae82ae9cb016cf0c5f01cf

Detections:

INDICATOR_RMM_ConnectWise_ScreenConnect

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

Parent samples :

SH256 hash:

f6e77233f0995581f3171ee92c5cab5b8052d177d333a4999e16e696616739a6

MD5 hash:

27d7995501d37a65912643493ec8f2c5

SHA1 hash:

3d3f37be1ff47568cf8b7ae3f28ceabbcdc1b009

Detections:

SUSP_NET_Shellcode_Loader_Indicators_Jan24

INDICATOR_RMM_ConnectWise_ScreenConnect

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

Parent samples :

SH256 hash:

6cb7ba058b19f1dd9d539cb53f8ae0246c2e51a0a96abcfde8c6e57b9cb9acb2

MD5 hash:

49c66f2db89797e2be7e35a995a4c27d

SHA1 hash:

85fbc7f856487d9eb3f42e17c02d67d7d1b29428

Detections:

INDICATOR_RMM_ConnectWise_ScreenConnect

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

Parent samples :

SH256 hash:

19ac323ca6eae2f8145cdc2bac865b32cd5a48ad6ff199d4ca7da214b056e1dc

MD5 hash:

5fb6074b08ac4709cf2f29fa5b49023e

SHA1 hash:

8bbb78a47c08867c50572f0bd2a27171f91e0454

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

SH256 hash:

ad6062215032ab58369403b1221562b5e7fb5ae7d52b29b7fad69eefb2d8455b

MD5 hash:

723f2aaeeda1d2bb2f49322da349ffc9

SHA1 hash:

ac6ab994beaff69adf8a2dc480a8a628175ff6c8

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

SH256 hash:

9342c7be8036a5f8dc3895d75e3314dce961fd3bc70ee59928c67fa04f0c7e08

MD5 hash:

5419ff27205d3e5affa3fc18b811b843

SHA1 hash:

cf49072c50456381cd26cd32cb97606c5f5cfd26

Link:

https://www.unpac.me/results/07777b0b-f309-4069-bb00-9dd3944a95b0/

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/efe55660216952e2848155b0b1aef49d07c33404d20b9ddcbe59838eda1a1570

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:	DebuggerCheck__API 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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_EXE_DotNET_Encrypted Create hunting rule
Author:	ditekSHen
Description:	Detects encrypted or obfuscated .NET executables

Rule name:	INDICATOR_RMM_ConnectWise_ScreenConnect Create hunting rule
Author:	ditekSHen
Description:	Detects ConnectWise Control (formerly ScreenConnect). Review RMM Inventory

Rule name:	INDICATOR_RMM_ConnectWise_ScreenConnect_CERT Create hunting rule
Author:	ditekSHen
Description:	Detects ConnectWise Control (formerly ScreenConnect) by (default) certificate. Review RMM Inventory

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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:	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)

File information

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

Delivery method

Distributed via e-mail link

Cape

https://www.capesandbox.com/analysis/10961/

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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_TRUST_INFO	Requires Elevated Execution (level:requireAdministrator)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample