MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d01148808fbeefa22cd4541cdaaee8bc1f74e3045302115dc5b08b99ff93dc9c. 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



RustDesk


Vendor detections: 10


Intelligence 10 IOCs YARA 10 File information Comments

SHA256 hash: d01148808fbeefa22cd4541cdaaee8bc1f74e3045302115dc5b08b99ff93dc9c
SHA3-384 hash: 6ca2ff3fdcd4d1cbfaf6b07d342d27f5727677116ff5b1e1c71039eb437c46f01268140a85e03ba3813fa81cb5bbdb8b
SHA1 hash: 93aa31051cd1bac3bb2ffddb71f93330dcab9d89
MD5 hash: ff8505309831284bff66a1cfd5049dac
humanhash: lake-mockingbird-monkey-football
File name:MSTeamsSetup.exe
Download: download sample
Signature RustDesk
File size:14'058'976 bytes
First seen:2026-04-08 13:58:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6d5e13c0269946a5a10390c178d8e9a5 (5 x Gh0stRAT, 4 x ValleyRAT, 2 x CoinMiner)
ssdeep 393216:YaJ1HSHwSmh3UhzxrY+hyBGih0bRjDHfTczLcpyPjGm6hkDf2B73v:hJ1HSHwSmC+hERffTczLc+Vj2B73v
TLSH T134E6F121325EC42BD56109B05A2C9EEA912C6E351FF168C7B3DC6E6E17764D30633E2B
TrID 22.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
22.7% (.EXE) Win64 Executable (generic) (6522/11/2)
17.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.7% (.EXE) Win32 Executable (generic) (4504/4/1)
7.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon d8c8c8d8969692f8 (2 x RustyStealer, 1 x RustDesk)
Reporter smica83
Tags:exe rustdesk signed

Code Signing Certificate

Organisation:Zlatin Stamatov
Issuer:Certum Code Signing 2021 CA
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-14T10:18:47Z
Valid to:2027-03-14T10:18:46Z
Serial number: 0f971773c38e4b32acb121855151baa4
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 0c8bb17a1c27a39817f4e1bd74b6c616fba3faef909f94772e685e64fe34cef3
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
135
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
MSTeamsSetup.exe
Verdict:
Malicious activity
Analysis date:
2026-04-08 13:59:37 UTC
Tags:
advancedinstaller auto-startup

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Creating a file in the %temp% directory
Loading a suspicious library
Launching a process
Modifying a system file
DNS request
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Connection attempt
Possible injection to a system process
Enabling autorun by creating a file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm base64 expand fingerprint installer-heuristic lolbin microsoft_visual_cc msiexec overlay packed runonce signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-08T08:27:00Z UTC
Last seen:
2026-04-08T15:38:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic HEUR:Backdoor.Win64.Striker.a Backdoor.Win64.Striker.sb
Result
Threat name:
RUSTDESK
Detection:
malicious
Classification:
troj
Score:
48 / 100
Signature
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected RUSTDESK
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1895309 Sample: MSTeamsSetup.exe Startdate: 08/04/2026 Architecture: WINDOWS Score: 48 45 mon.systemautoupdater.com 2->45 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected RUSTDESK 2->55 8 msiexec.exe 96 59 2->8         started        11 MSTeamsSetup.exe 45 2->11         started        13 secure_browser.exe 13 2->13         started        signatures3 process4 file5 29 C:\Windows\Installer\MSIB779.tmp, PE32 8->29 dropped 31 C:\Windows\Installer\MSIB72A.tmp, PE32 8->31 dropped 33 C:\Windows\Installer\MSIA016.tmp, PE32 8->33 dropped 41 6 other malicious files 8->41 dropped 15 secure_browser.exe 13 8->15         started        19 msiexec.exe 8->19         started        21 msiexec.exe 8->21         started        35 C:\Users\user\...\systemautoupdater.exe, PE32+ 11->35 dropped 37 C:\Users\user\AppData\...\secure_browser.exe, PE32+ 11->37 dropped 39 C:\Users\user\AppData\Local\...\shi9256.tmp, PE32+ 11->39 dropped 43 4 other files (none is malicious) 11->43 dropped 23 msiexec.exe 2 11->23         started        25 conhost.exe 1 13->25         started        process6 dnsIp7 47 mon.systemautoupdater.com 23.27.141.44, 3003, 49701, 49705 EGIHOSTINGUS United States 15->47 49 Multi AV Scanner detection for dropped file 15->49 27 conhost.exe 15->27         started        signatures8 process9
Verdict:
inconclusive
YARA:
7 match(es)
Tags:
CAB:COMPRESSION:MSZIP Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-04-08 12:57:33 UTC
File Type:
PE (Exe)
Extracted files:
72
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Enumerates connected drives
Drops startup file
Unpacked files
SH256 hash:
d01148808fbeefa22cd4541cdaaee8bc1f74e3045302115dc5b08b99ff93dc9c
MD5 hash:
ff8505309831284bff66a1cfd5049dac
SHA1 hash:
93aa31051cd1bac3bb2ffddb71f93330dcab9d89
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:certum_issuer
Author:Certum
Description:Looks for files signed with certificate issued by Certum
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_certum_issuer
Author:Certum
Description:Looks for files signed with certificate issued by Certum
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/

File information


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

Comments