MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a3834e9a1186d12d9fdc949b5cd6fb4c23394e0b977b29642059bd91518f5c9. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0a3834e9a1186d12d9fdc949b5cd6fb4c23394e0b977b29642059bd91518f5c9
SHA3-384 hash: 4b8d369389004bd5d6fc7344d4ecfe3acfe160bc26ba15fdbd4104564cf76bf7e01e6fd8de080400b9b499f328b3440f
SHA1 hash: 49d5faad1d308d342f4c31a98e01ae7d48b3baff
MD5 hash: fa46bcd158c03c235c552c9bc97b08c2
humanhash: cold-april-kansas-don
File name:0a3834e9a1186d12d9fdc949b5cd6fb4c23394e0b977b29642059bd91518f5c9
Download: download sample
Signature ConnectWise
Create hunting rule
File size:90'376 bytes
First seen:2024-07-17 08:03:42 UTC
Last seen:2024-07-24 11:03:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1273eaec87da7c0a308253f29e7857eb (21 x ConnectWise)
ssdeep 1536:BXn1JYSnExFkcgKKjxfmqshiKW5Xs/iYQqQJtsWFcdfRMvb+xWR75Pxm7H:BE3x5KBDYiKWm/iSw0fRMvygRZxS
TLSH T13A937C03B5D19C71E9721D3128B1C9615A3FB9211E748EBB239802AE5F341D1AE35FBB
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
Reporter JAMESWT_WT
Tags:ConnectWise exe signed sup2-sbk771-ru

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 :
2
# of downloads :
318
Origin country :
IT IT
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen19.64020.22381.20522.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66977af54de77648397b72d5
Tags:
Encryption Execution Infostealer Static Stealth
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
Sending an HTTP GET 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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc microsoft_visual_cc overlay
Link:
https://www.filescan.io/uploads/66977af7b030ea95279bf1a1/reports/a3faae57-7964-4c6f-bb7a-f157be3b008b/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/0a3834e9a1186d12d9fdc949b5cd6fb4c23394e0b977b29642059bd91518f5c9
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
ConnectWise
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/68d49845-f3f8-4394-9c8a-f5314266e309
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
69 / 100
Link:
https://www.joesandbox.com/analysis/1474735
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus detection for URL or domain
Contains functionality to hide user accounts
Creates files in the system32 config directory
Detected unpacking (creates a PE file in dynamic memory)
Enables network access during safeboot for specific services
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: 1474735 Sample: Dz39YDLS0I.exe Startdate: 17/07/2024 Architecture: WINDOWS Score: 69 40 windowsupdatebg.s.llnwi.net 2->40 42 sup2.sbk771.ru 2->42 44 2 other IPs or domains 2->44 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 .NET source code references suspicious native API functions 2->58 60 2 other signatures 2->60 9 ScreenConnect.ClientService.exe 2 4 2->9         started        12 Dz39YDLS0I.exe 2 2->12         started        14 svchost.exe 1 1 2->14         started        signatures3 process4 dnsIp5 62 Reads the Security eventlog 9->62 64 Reads the System eventlog 9->64 17 ScreenConnect.WindowsClient.exe 9->17         started        20 ScreenConnect.WindowsClient.exe 9->20         started        22 dfsvc.exe 132 115 12->22         started        48 127.0.0.1 unknown unknown 14->48 signatures6 process7 dnsIp8 50 Creates files in the system32 config directory 17->50 52 Contains functionality to hide user accounts 17->52 46 sup2.sbk771.ru 94.131.109.18, 443, 49702, 49707 NASSIST-ASGI Ukraine 22->46 32 C:\...\ScreenConnect.WindowsFileManager.exe, PE32 22->32 dropped 34 C:\Users\...\ScreenConnect.WindowsClient.exe, PE32 22->34 dropped 36 ScreenConnect.WindowsBackstageShell.exe, PE32 22->36 dropped 38 13 other files (none is malicious) 22->38 dropped 26 ScreenConnect.WindowsClient.exe 19 11 22->26         started        file9 signatures10 process11 signatures12 66 Detected unpacking (creates a PE file in dynamic memory) 26->66 68 Contains functionality to hide user accounts 26->68 29 ScreenConnect.ClientService.exe 1 3 26->29         started        process13 signatures14 70 Contains functionality to hide user accounts 29->70 72 Enables network access during safeboot for specific services 29->72
Score:
9%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/0a3834e9a1186d12d9fdc949b5cd6fb4c23394e0b977b29642059bd91518f5c9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0a3834e9a1186d12d9fdc949b5cd6fb4c23394e0b977b29642059bd91518f5c9/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bi4dj2nbdbwrfwp5zfe3ltlpwtbdhfhaxf33ffscawn5sfiy6xeq._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/240717-jx94vssanq/
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
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/836c64c9-ecbf-420c-af72-adb12fd8305f
Unpacked files
SH256 hash:
a665adf1acd014984b818f95699c2205e9e9f7cc10031d5fa52260154004ba9b
MD5 hash:
c7dd4bcf2bdb96e081db2941f13f8154
SHA1 hash:
d7044c4ef07e59cf5e304be00502ea8218cb9297
Link:
https://www.unpac.me/results/306afdd4-4dc0-498d-a29e-3c076888ed94/
SH256 hash:
0a3834e9a1186d12d9fdc949b5cd6fb4c23394e0b977b29642059bd91518f5c9
MD5 hash:
fa46bcd158c03c235c552c9bc97b08c2
SHA1 hash:
49d5faad1d308d342f4c31a98e01ae7d48b3baff
Link:
https://www.unpac.me/results/306afdd4-4dc0-498d-a29e-3c076888ed94/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.43
Link:
https://yomi.yoroi.company/submissions/0a3834e9a1186d12d9fdc949b5cd6fb4c23394e0b977b29642059bd91518f5c9

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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

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

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