MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b13ae2e374c71ac7e76cdee5faa5cbdca0238e086aa2aa5b98ee18475e81d8e. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b13ae2e374c71ac7e76cdee5faa5cbdca0238e086aa2aa5b98ee18475e81d8e
SHA3-384 hash: 4162ae92ae35abd3f8f7c9213af80dd85375e1787d456496b6bf735650d8f57e25161bf422f88a1cbbbf4f3f9b0c5004
SHA1 hash: 262044db958fd8ea35c36ae8dfc6c9a3e0e5bd9f
MD5 hash: 578796b33df94c61b99812e51fd580fe
humanhash: sad-enemy-princess-helium
File name:01B79c72a52c2f.PDF.exe
Download: download sample
Signature ConnectWise
Create hunting rule
File size:5'478'168 bytes
First seen:2025-04-16 05:55:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9771ee6344923fa220489ab01239bdfd (243 x ConnectWise)
ssdeep 98304:Ups6efPfBOPvLtabi4X0MV+dYdcGt7VIb4:mfefPJws3V+a
TLSH T15546E001F3D695B5D1BF1678D87A526A9734BC048312C7BF6390BD692D32BC08E327A6
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 abuse_ch
Tags:ConnectWise exe screenconnect 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 :
463
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
connectwise
Create hunting rule
ID:
1
File name:
01B79c72a52c2f.PDF.exe
Verdict:
Malicious activity
Analysis date:
2025-04-16 05:58:08 UTC
Tags:
connectwise rmm-tool screenconnect remote
Link:
https://app.any.run/tasks/af34daa5-3140-4241-a4a6-f068d58c0fd8

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/2410/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ff4d4c954c9c53de0b86fa
Tags:
connectwise phishing
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
DNS request
Moving a file to the Windows subdirectory
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the shell\open\command registry branches
Enabling autorun for a service
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd lolbin lolbin masquerade microsoft_visual_cc msiexec net obfuscated packed packed packer_detected reconnaissance rundll32 signed
Link:
https://www.filescan.io/uploads/67ff467890767142c3d68bf6/reports/82ae2f2d-dc2b-444d-b959-845a54981106/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/8b13ae2e374c71ac7e76cdee5faa5cbdca0238e086aa2aa5b98ee18475e81d8e
Malware family:
ConnectWise
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/aebb99ee-2e14-4fd8-aac0-849db2d161b7
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1666068
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Creates files in the system32 config directory
Detected potential unwanted application
Enables network access during safeboot for specific services
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Possible COM Object hijacking
Reads the Security eventlog
Reads the System eventlog
Sigma detected: Remote Access Tool - ScreenConnect Suspicious Execution
Sigma detected: Suspicious Double Extension File Execution
Uses an obfuscated file name to hide its real file extension (double extension)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1666068 Sample: 01B79c72a52c2f.PDF.exe Startdate: 16/04/2025 Architecture: WINDOWS Score: 56 61 ctaccs.devhelp.top 2->61 67 Multi AV Scanner detection for submitted file 2->67 69 Sigma detected: Suspicious Double Extension File Execution 2->69 71 .NET source code contains potential unpacker 2->71 73 8 other signatures 2->73 8 ScreenConnect.ClientService.exe 2 5 2->8         started        12 msiexec.exe 93 51 2->12         started        15 01B79c72a52c2f.PDF.exe 5 2->15         started        17 7 other processes 2->17 signatures3 process4 dnsIp5 63 ctaccs.devhelp.top 37.221.67.201, 49714, 8880 FIRSTDC-ASRU Russian Federation 8->63 81 Reads the Security eventlog 8->81 83 Reads the System eventlog 8->83 19 ScreenConnect.WindowsClient.exe 8->19         started        22 ScreenConnect.WindowsClient.exe 2 8->22         started        49 ScreenConnect.Wind...dentialProvider.dll, PE32+ 12->49 dropped 51 C:\...\ScreenConnect.WindowsClient.exe, PE32 12->51 dropped 53 C:\...\ScreenConnect.ClientService.exe, PE32 12->53 dropped 57 9 other files (1 malicious) 12->57 dropped 85 Enables network access during safeboot for specific services 12->85 24 msiexec.exe 12->24         started        26 msiexec.exe 1 12->26         started        28 msiexec.exe 12->28         started        55 C:\Users\user\...\01B79c72a52c2f.PDF.exe.log, CSV 15->55 dropped 87 Contains functionality to hide user accounts 15->87 30 msiexec.exe 6 15->30         started        65 127.0.0.1 unknown unknown 17->65 89 Changes security center settings (notifications, updates, antivirus, firewall) 17->89 33 MpCmdRun.exe 17->33         started        file6 signatures7 process8 file9 75 Creates files in the system32 config directory 19->75 77 Contains functionality to hide user accounts 19->77 35 rundll32.exe 8 24->35         started        59 C:\Users\user\AppData\Local\...\MSI8D5C.tmp, PE32 30->59 dropped 39 conhost.exe 33->39         started        signatures10 process11 file12 41 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 35->41 dropped 43 C:\...\ScreenConnect.InstallerActions.dll, PE32 35->43 dropped 45 C:\Users\user\...\ScreenConnect.Core.dll, PE32 35->45 dropped 47 Microsoft.Deployme...indowsInstaller.dll, PE32 35->47 dropped 79 Contains functionality to hide user accounts 35->79 signatures13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8b13ae2e374c71ac7e76cdee5faa5cbdca0238e086aa2aa5b98ee18475e81d8e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b13ae2e374c71ac7e76cdee5faa5cbdca0238e086aa2aa5b98ee18475e81d8e/
Threat name:
Win32.PUA.ConnectWise
Create hunting rule
Status:
Malicious
First seen:
2025-03-26 13:26:24 UTC
File Type:
PE (Exe)
Extracted files:
168
AV detection:
11 of 38 (28.95%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rmj24lrxjry2y7twzxxf7ks4xxfaeohaq2vcvjnzr3qyi5pidwha._file
Verdict:
malicious
Label(s):
admintool_screenconnect
Create hunting rule
Similar samples:
error
ConnectWise
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence privilege_escalation
Link:
https://tria.ge/reports/250416-gm3kxstkw5/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
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
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:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f8937b8e-600b-4260-ba0b-ee626d9bcc15
Unpacked files
SH256 hash:
8b13ae2e374c71ac7e76cdee5faa5cbdca0238e086aa2aa5b98ee18475e81d8e
MD5 hash:
578796b33df94c61b99812e51fd580fe
SHA1 hash:
262044db958fd8ea35c36ae8dfc6c9a3e0e5bd9f
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
SH256 hash:
9342c7be8036a5f8dc3895d75e3314dce961fd3bc70ee59928c67fa04f0c7e08
MD5 hash:
5419ff27205d3e5affa3fc18b811b843
SHA1 hash:
cf49072c50456381cd26cd32cb97606c5f5cfd26
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
SH256 hash:
8a55c15cc76e31042e17458c479772aa95bc1b908016c85b1dc8b8e3eff23254
MD5 hash:
decb1fd20d75e6eade9289cc24605f29
SHA1 hash:
5169602d641c4f2ebd9ca0639622949e00c25566
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
SH256 hash:
ad6062215032ab58369403b1221562b5e7fb5ae7d52b29b7fad69eefb2d8455b
MD5 hash:
723f2aaeeda1d2bb2f49322da349ffc9
SHA1 hash:
ac6ab994beaff69adf8a2dc480a8a628175ff6c8
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
SH256 hash:
289a4eea79baa4141744e44d60db713e18b5f23322663c63047962f51b467614
MD5 hash:
48979a1a6d3badea8124bce04b1e01a5
SHA1 hash:
06931bd96343ce167eda796112a30ca8d9fa536a
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
SH256 hash:
998cc3f9af5bd41ccf0f9be86192bbe20cdec08a6ff73c1199e1364195a83e14
MD5 hash:
29454a0cb83f28c24805e9a70e53444a
SHA1 hash:
334202965b07ab69f08b16fed0ee6c7274463556
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
SUSP_NET_Shellcode_Loader_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
Parent samples :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 hash:
babd635dcfe7e897c20c8969765eb8f12c1b9a503f1a6a698c2ca3b0d36e473d
MD5 hash:
07fc73751551b7847f165f7d3f8a5a26
SHA1 hash:
26fad122130c98f06ea6829a6c6bb3c88cc16217
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
SH256 hash:
69584e78cd0403d3320aae4b4fa5f2f93f022c2102f78e18949896d9c9b6bae6
MD5 hash:
0fd707fa38e1f11dbcc6b0c5b1e10e5d
SHA1 hash:
5b32da77809e0dd6d57b749770f7ad324640b58b
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
SH256 hash:
19ac323ca6eae2f8145cdc2bac865b32cd5a48ad6ff199d4ca7da214b056e1dc
MD5 hash:
5fb6074b08ac4709cf2f29fa5b49023e
SHA1 hash:
8bbb78a47c08867c50572f0bd2a27171f91e0454
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
SH256 hash:
761b7e50baa229e8afcd9a50990d7f776ddb5ed1ea5fbb131c802e57cf918742
MD5 hash:
b319407e807be1a49e366f7f8ea7ee2a
SHA1 hash:
b12197a877fb7e33b1cb5ba11b0da5ca706581ba
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
Parent samples :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 hash:
3c0bc91f81715c5466b3d63d2413a900b76fff420a352af7521c2283b6903429
MD5 hash:
8aef04fbf9accf0dde3bc8d997228905
SHA1 hash:
bd9a3afe2eb01ccfe20fe1b0106837a21acf976a
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
Parent samples :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 hash:
b5f144f53b76b4fabde1415d2e6957407d7c6807659a3d112f2a95c886e4e6ce
MD5 hash:
9ddea777526ab76c6f5fba0401a1749a
SHA1 hash:
c9916503f5f075fb67c1f1c7fcc7f62ba3a89de7
Link:
https://www.unpac.me/results/c3bf68d9-a5ae-4874-9bfc-0a9a54143c87/
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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_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.

Web download

ConnectWise

Executable exe 8b13ae2e374c71ac7e76cdee5faa5cbdca0238e086aa2aa5b98ee18475e81d8e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3513010/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/2410/

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
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
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::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments