MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caf48e2a81a7b6acd412fef11fac9b5b4d716236ba23044bca21681b46511922. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: caf48e2a81a7b6acd412fef11fac9b5b4d716236ba23044bca21681b46511922
SHA3-384 hash: fffd1e8d7683600464783c54954a50f76c3e365b5a3538dd5c56c6a8d4adfde5f247d228ba0abc8019834da262cb94c9
SHA1 hash: 53a2dbb00055671102adcb652efa2edc49f9dd70
MD5 hash: 5173347488356a41587a61cca698ccc6
humanhash: oranges-robert-sad-purple
File name:caf48e2a81a7b6acd412fef11fac9b5b4d716236ba23044bca21681b46511922
Download: download sample
Signature ConnectWise
Create hunting rule
File size:86'304 bytes
First seen:2024-11-16 13:43:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7631a79a9071099fa4803e1c4c5df207 (83 x ConnectWise)
ssdeep 1536:+azWlKzJVcNp++yQNS6xNNCT2l8NE8llbpTaCJRpsWr6cdaQTJSvYYS7Q8xXsJ:yFNpo6rIKlUE8fbkqRfbaQlaYYSXY
Threatray 208 similar samples on MalwareBazaar
TLSH T1F3836C13B5D18475E9B30D3118B1D9B4993F7E120E548EAB2398427E0F352D1AE3AE7B
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter JAMESWT_WT
Tags:cloud-signdoc-cloud ConnectWise exe signed

Code Signing Certificate

Organisation:Connectwise, LLC
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2022-08-17T00:00:00Z
Valid to:2025-08-15T23:59:59Z
Serial number: 0b9360051bccf66642998998d5ba97ce
Intelligence: 444 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 82b4e7924d5bed84fb16ddf8391936eb301479cec707dc14e23bc22b8cdeae28
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
465
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eFax-sign.Client.exe
Verdict:
Suspicious activity
Analysis date:
2024-11-15 19:24:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cbd30bf8-ec6b-4a8d-9fd3-c58e551934b1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.PUA.ConnectWise-1.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6738a3594ca0f9db40c49f52
Tags:
connectwise dropper virus click
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Creating a file in the %AppData% subdirectories
Loading a suspicious library
Creating a file
Creating a service
Launching a service
Moving a recently created file
Creating a file in the system32 directory
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun for a service
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
RiskWare[RemoteAdmin]/ConnectWise
Link:
https://www.hybrid-analysis.com/sample/caf48e2a81a7b6acd412fef11fac9b5b4d716236ba23044bca21681b46511922
Malware family:
ConnectWise
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/07e05e43-f5ea-465e-977a-1cf108745155
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1556915
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Contains functionality to hide user accounts
Detected potential unwanted application
Enables network access during safeboot for specific services
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Reads the Security eventlog
Reads the System eventlog
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1556915 Sample: q1M9Xfi0yC.exe Startdate: 16/11/2024 Architecture: WINDOWS Score: 60 40 yourrldns22.hopto.org 2->40 42 windowsupdatebg.s.llnwi.net 2->42 44 5 other IPs or domains 2->44 48 Multi AV Scanner detection for submitted file 2->48 50 .NET source code references suspicious native API functions 2->50 52 Detected potential unwanted application 2->52 54 3 other signatures 2->54 9 q1M9Xfi0yC.exe 2 2->9         started        11 ScreenConnect.ClientService.exe 2 4 2->11         started        14 svchost.exe 1 1 2->14         started        signatures3 process4 dnsIp5 17 dfsvc.exe 129 114 9->17         started        60 Reads the Security eventlog 11->60 62 Reads the System eventlog 11->62 21 ScreenConnect.WindowsClient.exe 11->21         started        46 127.0.0.1 unknown unknown 14->46 signatures6 process7 dnsIp8 38 yourrldns22.hopto.org 173.46.80.52, 443, 49705, 49709 QUICKPACKETUS United States 17->38 30 C:\...\ScreenConnect.WindowsFileManager.exe, PE32 17->30 dropped 32 C:\Users\...\ScreenConnect.WindowsClient.exe, PE32 17->32 dropped 34 ScreenConnect.WindowsBackstageShell.exe, PE32 17->34 dropped 36 13 other files (none is malicious) 17->36 dropped 24 ScreenConnect.WindowsClient.exe 19 11 17->24         started        56 Contains functionality to hide user accounts 21->56 file9 signatures10 process11 signatures12 58 Contains functionality to hide user accounts 24->58 27 ScreenConnect.ClientService.exe 1 3 24->27         started        process13 signatures14 64 Contains functionality to hide user accounts 27->64 66 Enables network access during safeboot for specific services 27->66
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/caf48e2a81a7b6acd412fef11fac9b5b4d716236ba23044bca21681b46511922
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/caf48e2a81a7b6acd412fef11fac9b5b4d716236ba23044bca21681b46511922/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-11-16 13:41:59 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
9 of 38 (23.68%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zl2i4kubu63kzvas73yr7le3lngxcyrwxirqis6kefubwrsrdera._file
Verdict:
malicious
Label(s):
admintool_screenconnect
Create hunting rule
Similar samples:
0a3834e9a1186d12d9fdc949b5cd6fb4c23394e0b977b29642059bd91518f5c9
ConnectWise
4add51cd45b7fd60dbbd612c464438ae9a0a80e0f7f40b5b6cc4a00a10b916ea
ConnectWise
4b42e0cb9fee4a9a95dd76888babec401b5631f056d53ce45e7fe5b0ff8ecbb4
ConnectWise
6120b3d36f09400c48bf3d134a18bb59d6f123875f9add5726c7909bb18722ee
ConnectWise
62206c6dd37f38c9b0362171642c6dd0ef0ef32afec28e885047552bc0567afb
ConnectWise
77a4f959f19592757a9c5f50c0f6187370d35fec575de6c034c94ce88042823b
ConnectWise
907c9622a195e844295a42ae436b1429f616a257d9dad6490bb6ea79c24a7e68
ConnectWise
caf48e2a81a7b6acd412fef11fac9b5b4d716236ba23044bca21681b46511922
ConnectWise
error
ConnectWise
f1d7330c15225788a2d9b7a18d9dd9d92ffd971f7e3689fd6ab9d0739a75b01a
ConnectWise
+ 198 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/241116-q1tdvaxfrj/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in System32 directory
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Manipulates Digital Signatures
Sets service image path in registry
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b447859a-a0a0-4545-aa3e-fe0950b8b566
Unpacked files
SH256 hash:
a665adf1acd014984b818f95699c2205e9e9f7cc10031d5fa52260154004ba9b
MD5 hash:
c7dd4bcf2bdb96e081db2941f13f8154
SHA1 hash:
d7044c4ef07e59cf5e304be00502ea8218cb9297
Link:
https://www.unpac.me/results/fa581c0f-22a4-448a-a35a-abc09eda6610/
SH256 hash:
caf48e2a81a7b6acd412fef11fac9b5b4d716236ba23044bca21681b46511922
MD5 hash:
5173347488356a41587a61cca698ccc6
SHA1 hash:
53a2dbb00055671102adcb652efa2edc49f9dd70
Link:
https://www.unpac.me/results/fa581c0f-22a4-448a-a35a-abc09eda6610/
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/caf48e2a81a7b6acd412fef11fac9b5b4d716236ba23044bca21681b46511922

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:INDICATOR_RMM_ConnectWise_ScreenConnect_CERT
Create hunting rule
Author:ditekSHen
Description:Detects ConnectWise Control (formerly ScreenConnect) by (default) certificate. Review RMM Inventory
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for malicious import combination that ransomware mostly use(can create FP)

File information

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

  
X
https://x.com/malwrhunterteam/status/1857696062703808782

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
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_CRYPT_APIUses Windows Crypt APICRYPT32.dll::CertAddCertificateContextToStore
CRYPT32.dll::CertDeleteCertificateFromStore
CRYPT32.dll::CertFreeCertificateContext
CRYPT32.dll::CertOpenSystemStoreA

Comments