MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87. 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: 16


Intelligence 16 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87
SHA3-384 hash: 6611a6e0aef1f79b67a9e7ff1933b9e142cd195b11332c09237cd2b1f16feed7d12e4408d0067d3f9f8d2aeaed3bb705
SHA1 hash: 97997862c73cfe301af43c355ffa4b2d8b1e7d7f
MD5 hash: bc219ea52e5d250b689bfb0203eb9e4e
humanhash: diet-hot-jersey-coffee
File name:US_SocialStatmet_ID544124.exe
Download: download sample
Signature ConnectWise
Create hunting rule
File size:5'861'712 bytes
First seen:2025-05-06 19:18:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9771ee6344923fa220489ab01239bdfd (239 x ConnectWise)
ssdeep 98304:nzuCs6efPNyO+tCFkPPBcrmJDsqGhGzj9unj/74ir:nDfefPNQtw06rYIU0nj/
Threatray 689 similar samples on MalwareBazaar
TLSH T10046E011B3D295B6D5BF0678D87A92A56634BC008711CBAF53A0BD7D6E32BC04E32376
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:2022-08-17T00:00:00Z
Valid to:2025-08-15T23:59:59Z
Serial number: 0b9360051bccf66642998998d5ba97ce
Intelligence: 443 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


Avatar
Anonymous
masquerading as the US Social Security Administration (SSA)

Intelligence

File Origin
# of uploads :
1
# of downloads :
440
Origin country :
US US
Vendor Threat Intelligence
Malware family:
connectwise
Create hunting rule
ID:
1
File name:
https://bazaar.abuse.ch/download/1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87/
Verdict:
Malicious activity
Analysis date:
2025-05-06 19:45:54 UTC
Tags:
arch-exec connectwise rmm-tool screenconnect remote
Link:
https://app.any.run/tasks/45f2b640-6ecc-4c8c-8af8-23126c5adfa7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.29065.SC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Siggen26.37800.12014.29258.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681a616b8474cc94a4e48670
Tags:
connectwise dropper virus spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Possible injection to a system process
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
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
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd fingerprint lolbin lolbin microsoft_visual_cc msiexec net obfuscated overlay packed packed packer_detected reconnaissance rundll32 signed
Link:
https://www.filescan.io/uploads/681a60bad95f3e34e9623515/reports/c7d9fb28-4ae2-44b4-a09a-2443595344e3/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87
Malware family:
ScreenConnect Software
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/2b529a8d-f8a4-4907-bca7-3679ec11a056
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1682622
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
Detected potential unwanted application
Enables network access during safeboot for specific services
Joe Sandbox ML detected suspicious sample
Modifies security policies related information
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1682622 Sample: US_SocialStatmet_ID544124.exe Startdate: 06/05/2025 Architecture: WINDOWS Score: 48 61 secure.ratoscbom.com 2->61 67 Multi AV Scanner detection for submitted file 2->67 69 .NET source code contains potential unpacker 2->69 71 .NET source code references suspicious native API functions 2->71 73 5 other signatures 2->73 8 msiexec.exe 94 51 2->8         started        12 ScreenConnect.ClientService.exe 2 5 2->12         started        15 US_SocialStatmet_ID544124.exe 6 2->15         started        17 7 other processes 2->17 signatures3 process4 dnsIp5 49 ScreenConnect.Wind...dentialProvider.dll, PE32+ 8->49 dropped 51 C:\...\ScreenConnect.ClientService.exe, PE32 8->51 dropped 53 C:\Windows\Installer\MSI44ED.tmp, PE32 8->53 dropped 57 9 other files (none is malicious) 8->57 dropped 77 Enables network access during safeboot for specific services 8->77 79 Modifies security policies related information 8->79 19 msiexec.exe 8->19         started        21 msiexec.exe 1 8->21         started        23 msiexec.exe 8->23         started        63 secure.ratoscbom.com 45.81.23.30, 49682, 8041 AS49870-BVNL Netherlands 12->63 81 Reads the Security eventlog 12->81 83 Reads the System eventlog 12->83 25 ScreenConnect.WindowsClient.exe 2 12->25         started        28 ScreenConnect.WindowsClient.exe 2 12->28         started        55 C:\...\US_SocialStatmet_ID544124.exe.log, ASCII 15->55 dropped 85 Contains functionality to hide user accounts 15->85 30 msiexec.exe 6 15->30         started        65 127.0.0.1 unknown unknown 17->65 87 Changes security center settings (notifications, updates, antivirus, firewall) 17->87 33 MpCmdRun.exe 17->33         started        file6 signatures7 process8 file9 35 rundll32.exe 11 19->35         started        89 Contains functionality to hide user accounts 25->89 59 C:\Users\user\AppData\Local\...\MSI37BC.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 4 other files (none is malicious) 35->47 dropped 75 Contains functionality to hide user accounts 35->75 signatures13
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-05-06 15:20:06 UTC
File Type:
PE (Exe)
Extracted files:
174
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dsjzkukffmqtpmv5oj7rh6vybwqzf4lu2ayr2i74hqofghhp3sdq._file
Verdict:
malicious
Label(s):
admintool_screenconnect
Create hunting rule
Similar samples:
552d6bc9dd165279c330cf381ceab185b407878ea81393cf2bae437ebecd9dbe
ConnectWise
64adb568ceb1d4abb36113bde0ca9bffa423be366262f8a4ec75b1e23aef50ad
ConnectWise
6d9442ae6ba5a9f34a47e234b6047f61d8ac129e269199793ebb0bed1ad7e3ba
ConnectWise
a0c8f8770fffd941b3e123023432e275aea210a7ab71a6bce5be890861f054c2
ConnectWise
error
ConnectWise
f93d6ef0b54b5e882d1420339c3083315cc2104ea73c95fea0dca9594913e282
ConnectWise
+ 679 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence privilege_escalation
Link:
https://tria.ge/reports/250506-x1jb7stshx/
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:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f2a6fbaf-d1f5-4172-9a2e-7a89fdc83cee
Unpacked files
SH256 hash:
1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87
MD5 hash:
bc219ea52e5d250b689bfb0203eb9e4e
SHA1 hash:
97997862c73cfe301af43c355ffa4b2d8b1e7d7f
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
SH256 hash:
8a55c15cc76e31042e17458c479772aa95bc1b908016c85b1dc8b8e3eff23254
MD5 hash:
decb1fd20d75e6eade9289cc24605f29
SHA1 hash:
5169602d641c4f2ebd9ca0639622949e00c25566
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
SH256 hash:
676c530cb41fce9efe2493e3e6d36ac133b739e6496ece39c70ff8d6e8ff4f34
MD5 hash:
32406a6df56e3ed19ab5b03e5af3d1d5
SHA1 hash:
067c1c69da584f30c5460da02b4adc324d6d3990
Detections:
SUSP_NET_Shellcode_Loader_Indicators_Jan24
Create hunting rule
INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
Parent samples :
bd070bc8300e370d7f7018f38e7f282444248b5240b75504507be5013ea45e77
1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87
9a3494bd12edf13aee7018aa2c06e42b016c03988d3a5678813898a655e1af9c
5c40c617e8e767609ed91229717a144d505e991665e21d7b6dda35ac7b1c9cbc
3bd2c159d71f34414f6c5eeaf6e48f9d77d613882e0ac5f0c2cdeb3150d018d4
SH256 hash:
289a4eea79baa4141744e44d60db713e18b5f23322663c63047962f51b467614
MD5 hash:
48979a1a6d3badea8124bce04b1e01a5
SHA1 hash:
06931bd96343ce167eda796112a30ca8d9fa536a
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
SH256 hash:
784a3fc099e1d4fd6a67a77e4cc8b835223025297a0155470e1b559b6ebee0f1
MD5 hash:
36addf7f8a2288b90bc90cf1a9bc4e76
SHA1 hash:
29dd17c36f3b992afc3eb8960ba6f6d17b577e0b
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
SH256 hash:
d7ddee6243efbebfc0178bc521fac27ee199e9075ca2500627a1f3a69c42abd3
MD5 hash:
055fe429b4f234c3667e4b3f18dcd142
SHA1 hash:
3bad4a8c251b4754a5d4ea5b62edb0519996cc43
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
SH256 hash:
8926f53b6f9b04f8ca13e5f8155a8da6fa31fe6b5d844b222dc0e8bfaddbc33c
MD5 hash:
9c8103ac47517668d37762b77245c843
SHA1 hash:
7f67d17cc218f023fc044fc9ced377597405a400
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
Parent samples :
bd070bc8300e370d7f7018f38e7f282444248b5240b75504507be5013ea45e77
1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87
9a3494bd12edf13aee7018aa2c06e42b016c03988d3a5678813898a655e1af9c
5c40c617e8e767609ed91229717a144d505e991665e21d7b6dda35ac7b1c9cbc
3bd2c159d71f34414f6c5eeaf6e48f9d77d613882e0ac5f0c2cdeb3150d018d4
SH256 hash:
27811db9219dc1ebdafec0875bd7d2369a82b19d02987ffc529159650a59d9c3
MD5 hash:
e3247329c818dc88dddfc6a949cb610e
SHA1 hash:
88bee0601931d53df248f7c1013147e004621992
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
Parent samples :
bd070bc8300e370d7f7018f38e7f282444248b5240b75504507be5013ea45e77
1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87
9a3494bd12edf13aee7018aa2c06e42b016c03988d3a5678813898a655e1af9c
5c40c617e8e767609ed91229717a144d505e991665e21d7b6dda35ac7b1c9cbc
3bd2c159d71f34414f6c5eeaf6e48f9d77d613882e0ac5f0c2cdeb3150d018d4
SH256 hash:
19ac323ca6eae2f8145cdc2bac865b32cd5a48ad6ff199d4ca7da214b056e1dc
MD5 hash:
5fb6074b08ac4709cf2f29fa5b49023e
SHA1 hash:
8bbb78a47c08867c50572f0bd2a27171f91e0454
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
SH256 hash:
ad6062215032ab58369403b1221562b5e7fb5ae7d52b29b7fad69eefb2d8455b
MD5 hash:
723f2aaeeda1d2bb2f49322da349ffc9
SHA1 hash:
ac6ab994beaff69adf8a2dc480a8a628175ff6c8
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
SH256 hash:
61835eae421a05d1fa55cfef20f187d806b37e643cea609ce4f929644aec99df
MD5 hash:
f39f55f4d09dc2bd90928f55b7751476
SHA1 hash:
af365404625826e9160c92e0067fa969f1a1b667
Detections:
INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
Parent samples :
bd070bc8300e370d7f7018f38e7f282444248b5240b75504507be5013ea45e77
1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87
9a3494bd12edf13aee7018aa2c06e42b016c03988d3a5678813898a655e1af9c
5c40c617e8e767609ed91229717a144d505e991665e21d7b6dda35ac7b1c9cbc
3bd2c159d71f34414f6c5eeaf6e48f9d77d613882e0ac5f0c2cdeb3150d018d4
SH256 hash:
9342c7be8036a5f8dc3895d75e3314dce961fd3bc70ee59928c67fa04f0c7e08
MD5 hash:
5419ff27205d3e5affa3fc18b811b843
SHA1 hash:
cf49072c50456381cd26cd32cb97606c5f5cfd26
Link:
https://www.unpac.me/results/433a2d73-9c9a-4845-8ce9-2765f5096ddb/
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/1c939551452b2137b2bd727f13fab80da192f174d0311d23fc3c1c531cefdc87

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.

  
Delivery method
Distributed via e-mail link
  
URLhaus
https://urlhaus.abuse.ch/url/3537574/

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