MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37f2c4607a1fad32eda76af2514588cd704b5d5ee83ceb93c14bf10b33c1c8f3. 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


RustyStealer


Vendor detections: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37f2c4607a1fad32eda76af2514588cd704b5d5ee83ceb93c14bf10b33c1c8f3
SHA3-384 hash: d4a659eab57837abfdc9465eb088ba036157cbaf6679af9086c82bf55ca5b76ea78dec008dfeb3642a36625a93999837
SHA1 hash: 1702b75976ef12eca324e341f91d90643bb3568e
MD5 hash: cfda340fa82d1b5f33cf82ae5070fbf4
humanhash: nine-march-mountain-river
File name:ZoomWorkspace.msi
Download: download sample
Signature RustyStealer
Create hunting rule
File size:5'105'152 bytes
First seen:2025-09-23 16:03:50 UTC
Last seen:2025-09-30 19:15:05 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 98304:iaI+R+g7rDoHeQufnPW/X423wED86HWKFIIKU5ctwAnlOAs2s6:iArDo+pfe/o2CKWKFRl5MW/6
Threatray 232 similar samples on MalwareBazaar
TLSH T1BD360115B6940CADD8E64235846EF115AE32380D273C86DB4E767DF83E26ED0A37A7C1
TrID 86.8% (.MSI) Microsoft Windows Installer (454500/1/170)
11.6% (.MST) Windows SDK Setup Transform script (61000/1/5)
1.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter Anonymous
Tags:msi RustyStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
41
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/28670/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68d2c52da8481b7a76abdac7
Tags:
spawn sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug expand expired-cert lolbin rundll32 signed wix
Link:
https://www.filescan.io/uploads/68d2c5d658f24ea0d229ed3e/reports/f3207971-37a7-4681-bb78-7dcb6006ddae/overview
Verdict:
Suspicious
Labled as:
Trojan.MSI.MalPDQCnt
Link:
https://www.hybrid-analysis.com/sample/37f2c4607a1fad32eda76af2514588cd704b5d5ee83ceb93c14bf10b33c1c8f3
Verdict:
Adware
File Type:
msi
First seen:
2025-09-15T00:25:00Z UTC
Last seen:
2025-09-15T00:25:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/37f2c4607a1fad32eda76af2514588cd704b5d5ee83ceb93c14bf10b33c1c8f3/results?tab=lookup
Score:
2%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/37f2c4607a1fad32eda76af2514588cd704b5d5ee83ceb93c14bf10b33c1c8f3
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
.Net CAB:COMPRESSION:LZX Executable Managed .NET Office Document PDB Path PE (Portable Executable) PE File Layout PE Memory-Mapped (Dump) SOS: 0.20 SOS: 0.21 SOS: 0.22
Link:
https://app.malva.re/file/cfda340fa82d1b5f33cf82ae5070fbf4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37f2c4607a1fad32eda76af2514588cd704b5d5ee83ceb93c14bf10b33c1c8f3/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7zmiyd2d6wtf3nhnlzfcrmizvyewxk65a6oxe6bjpyqwm6bzdzq._file
Verdict:
malicious
Label(s):
admintool_pdqconnectagent
Create hunting rule
Similar samples:
1337a268cbef02de9efecb3986e6f060dbb2e11ade32028da1e9528346a23e16
RustyStealer
37f2c4607a1fad32eda76af2514588cd704b5d5ee83ceb93c14bf10b33c1c8f3
RustyStealer
403434d869afa0f368e11273fafabdb34e6170267abbfbfc9e15d9fae1959417
RustyStealer
5fa31ba530a30c39f946ab8b152086c0c306a2c5aca232484c8a6d6dfe2815c5
RustyStealer
bca27bf22811258f9e707c8ba597663f4b8610a34398c64ac8eacd28cd1ff09e
RustyStealer
error
RustyStealer
+ 222 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
execution persistence privilege_escalation ransomware
Link:
https://tria.ge/reports/250923-tj73fscp9z/
Behaviour
Checks SCSI registry key(s)
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
Command and Scripting Interpreter: PowerShell
Event Triggered Execution: Installer Packages
Drops file in Program Files directory
Drops file in Windows directory
Executes dropped EXE
Launches sc.exe
Loads dropped DLL
Drops file in System32 directory
Badlisted process makes network request
Enumerates connected drives
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d69f70a8-44f0-4e9e-b75d-efb845ee0288
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/37f2c4607a1fad32eda76af2514588cd704b5d5ee83ceb93c14bf10b33c1c8f3

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:NET
Create hunting rule
Author:malware-lu

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/28670/

Comments