MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 821ea5d058f9e714847d05e2a864bf3e713eed145c3ba82fb5c80e3268fe0cd6. 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: 11
| SHA256 hash: | 821ea5d058f9e714847d05e2a864bf3e713eed145c3ba82fb5c80e3268fe0cd6 |
|---|---|
| SHA3-384 hash: | 90578b30370ccf954894084568a85cac6c361a27ee10f5e6fe383b27900cbc752178c187e3abef21813ae7b74bd94f75 |
| SHA1 hash: | 48b288f895d0b0a13073b4acb98b6ff8e4874423 |
| MD5 hash: | e440a3cb8c8b5bf20069ab4ed3f2439d |
| humanhash: | robin-georgia-green-august |
| File name: | test_pervictim.exe |
| Download: | download sample |
| Signature | RustyStealer |
| File size: | 1'715'712 bytes |
| First seen: | 2025-12-06 17:31:27 UTC |
| Last seen: | 2025-12-06 19:32:56 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | a0d042903cdca7ad69043e384147e80a (9 x RustyStealer) |
| ssdeep | 24576:ylM0DC71ke9DmrZERS4w8GSy5+BOmh5KisQQbFeqk4k8Ru/J:ylMOC7wERS4w8GSy5adkQQbFBkt8RuB |
| TLSH | T1EE857D07F2A581EDC0AEC1B48347AA37BA36B4890621BDBF17D59B702E65F514F1E708 |
| TrID | 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10522/11/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  juroots |
| Tags: | exe RustyStealer |
Intelligence
File Origin
# of uploads :
3
# of downloads :
82
Origin country :
CHVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
test_pervictim.exe
Verdict:
No threats detected
Analysis date:
2025-12-06 17:34:56 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
96.5%
Tags:
shellcode virus blic
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd expand fingerprint lolbin mingw obfuscated packed packed vmprotect
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-06T15:48:00Z UTC
Last seen:
2025-12-07T02:42:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan-Ransom.Win32.Gen.cezg
Verdict:
Unknown
Score:
96%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Trojan-Ransom.Win32.Gen
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-12-06 15:04:07 UTC
File Type:
PE+ (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
spyware stealer
Behaviour
Runs net.exe
Suspicious use of WriteProcessMemory
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
821ea5d058f9e714847d05e2a864bf3e713eed145c3ba82fb5c80e3268fe0cd6
MD5 hash:
e440a3cb8c8b5bf20069ab4ed3f2439d
SHA1 hash:
48b288f895d0b0a13073b4acb98b6ff8e4874423
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | dependsonpythonailib |
|---|---|
| Author: | Tim Brown |
| Description: | Hunts for dependencies on Python AI libraries |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | ProgramLanguage_Rust |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Rust programming language |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | Rustyloader_mem_loose |
|---|---|
| Author: | James_inthe_box |
| Description: | Corroded buerloader |
| Reference: | https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24 |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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