MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf020108d0bb8147939fc917736a3110d829b7d59ade54f73a0e54bb1d7d8e37. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf020108d0bb8147939fc917736a3110d829b7d59ade54f73a0e54bb1d7d8e37
SHA3-384 hash: 2c549f662ab2fc9636b0b1d6421c08ebe769216daccb144a47e1e3541db72512a7cbee2506df6ef2bf7d9847bbdff7fe
SHA1 hash: 703a9a28c2e889124015e4e5599f5c28407a4a4e
MD5 hash: 3a4703b2586411b43790d581aa66f472
humanhash: bluebird-vegan-lactose-alanine
File name:minimal_enc.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:1'479'168 bytes
First seen:2025-12-06 17:30:30 UTC
Last seen:2025-12-06 19:32:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0e37c9d6bd6fe57a49b574a12dd7bfe6 (1 x RustyStealer)
ssdeep 24576:iQMeXk4T4SnsZh7UkvVdnQvh5rNVx8S3QSVG8yI//D:iQHlsZh7UkvLCX7x8SgSQ8yI
TLSH T125657D07F6A581EDD19EC0B443469E37B635B8890A20BDBF17D15A302EA6F520F1EB1D
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 :
78
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_bf020108d0bb8147939fc917736a3110d829b7d59ade54f73a0e54bb1d7d8e37.exe
Verdict:
No threats detected
Analysis date:
2025-12-06 17:44:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/96497c30-7668-430c-9e8b-d8c08e22f683

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/42798/
Detection(s):
SecuriteInfo.com.Trojan.Win64.Krypt.27218.26201.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6934691a920336450abc080e
Tags:
virus
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bf020108d0bb8147939fc917736a3110d829b7d59ade54f73a0e54bb1d7d8e37
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-06T15:01:00Z UTC
Last seen:
2025-12-07T15:56:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Ransom.Win64.Agent.gen
Link:
https://opentip.kaspersky.com/bf020108d0bb8147939fc917736a3110d829b7d59ade54f73a0e54bb1d7d8e37/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/60dee110-24e5-44d2-bcf8-ed888ff198f9
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bf020108d0bb8147939fc917736a3110d829b7d59ade54f73a0e54bb1d7d8e37
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/3a4703b2586411b43790d581aa66f472
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf020108d0bb8147939fc917736a3110d829b7d59ade54f73a0e54bb1d7d8e37/
Verdict:
Malicious
Threat:
Trojan-Ransom.Win64.Agent
Link:
https://tip.neiki.dev/file/bf020108d0bb8147939fc917736a3110d829b7d59ade54f73a0e54bb1d7d8e37
Threat name:
Win64.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-12-06 14:44:59 UTC
File Type:
PE+ (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4baccgqxoaupe47zelxg2rrcdmctn6vtlpfj5z2bzklwhl5ry3q._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/251206-v4nd8ags4e/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2e6e17d7-d501-4aba-8429-f4844ad0e408
Unpacked files
SH256 hash:
bf020108d0bb8147939fc917736a3110d829b7d59ade54f73a0e54bb1d7d8e37
MD5 hash:
3a4703b2586411b43790d581aa66f472
SHA1 hash:
703a9a28c2e889124015e4e5599f5c28407a4a4e
Link:
https://www.unpac.me/results/c86630a3-9a66-46a1-8cb3-35cdef077daa/
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/bf020108d0bb8147939fc917736a3110d829b7d59ade54f73a0e54bb1d7d8e37

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:Rustyloader_mem_loose
Create hunting rule
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

RustyStealer

Executable exe bf020108d0bb8147939fc917736a3110d829b7d59ade54f73a0e54bb1d7d8e37

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/42798/
  
URLhaus
https://urlhaus.abuse.ch/url/3727813/
  
Delivery method
Distributed via web download

Comments