MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 738a31e7a0d96fe1b0ad6778db39425160835a80ac33ce8a84f26b71c00c26b9. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 738a31e7a0d96fe1b0ad6778db39425160835a80ac33ce8a84f26b71c00c26b9
SHA3-384 hash: 56da2270931f8b0882907a4e938d76be095d09e64a6c0a319cdf682101788b34213d375579d47e3c8598986f7d0f789b
SHA1 hash: 9cb9b595177529d4e1bad577fa618d3fff5fa894
MD5 hash: 7967156e138a66f3ee1bfce81836d8d0
humanhash: table-whiskey-twelve-enemy
File name:738a31e7a0d96fe1b0ad6778db39425160835a80ac33ce8a84f26b71c00c26b9
Download: download sample
Signature RustyStealer
Create hunting rule
File size:2'981'888 bytes
First seen:2025-12-07 08:15:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fc179ece906174d3ce03bc9402b11c7d (2 x RustyStealer)
ssdeep 49152:/uYrw0mDmPWBDjgKbo8yaeoHCxa5mpAMd4uCYK:M+LLC3
Threatray 11 similar samples on MalwareBazaar
TLSH T143D53A217A5A89EEC15AC074C2474A726A7130DB0F35BAFF45C49A383F69AF51F3C258
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Anonymous
Tags:CHILLYCHINO exe Rust Rustonotto RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
738a31e7a0d96fe1b0ad6778db39425160835a80ac33ce8a84f26b71c00c26b9
Verdict:
No threats detected
Analysis date:
2025-06-27 01:11:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b1e9ab4d-b08b-45cb-a843-43c75dd3a82a

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/42898/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693537d3920336450abc1182
Tags:
virus agent hype
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending an HTTP GET request
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/738a31e7a0d96fe1b0ad6778db39425160835a80ac33ce8a84f26b71c00c26b9
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-09-05T12:30:00Z UTC
Last seen:
2025-12-07T09:29:00Z UTC
Hits:
~100
Detections:
Backdoor.Win64.Agent.lox
Link:
https://opentip.kaspersky.com/738a31e7a0d96fe1b0ad6778db39425160835a80ac33ce8a84f26b71c00c26b9/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6d135ffa-41e4-4630-ab1a-00432b6f65a1
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/738a31e7a0d96fe1b0ad6778db39425160835a80ac33ce8a84f26b71c00c26b9
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/7967156e138a66f3ee1bfce81836d8d0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/738a31e7a0d96fe1b0ad6778db39425160835a80ac33ce8a84f26b71c00c26b9/
Verdict:
Malicious
Threat:
Backdoor.Win64.Agent
Link:
https://tip.neiki.dev/file/738a31e7a0d96fe1b0ad6778db39425160835a80ac33ce8a84f26b71c00c26b9
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-06-26 07:35:03 UTC
File Type:
PE+ (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oofddz5a3fx6dmfnm54nwokckfqigwuavqz45cue6jvxdqame24q._file
Verdict:
malicious
Label(s):
rustonotto
Create hunting rule
Similar samples:
b031b62b53bd1615778c9186c27f6232981d0176e0b6614dd57721f33874cad2
RustyStealer
c29e8a00bf199e573e102c902c9f208abfea04a98b2fbd13e2473d5c7aac32bc
RustyStealer
c6690dfbfe1f8655e706dfe3a10b418d554e8ad418e5fa1f46776aa979e86c59
RustyStealer
d2006af2d2fa0a5926f8547bb7531e897a9023929047a056a5e630ad532e2b6f
RustyStealer
+ 1 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/251207-j5p4nafv6h/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a05cf0ad-f51b-4ffb-a30e-9b6d535fa9e2
Unpacked files
SH256 hash:
738a31e7a0d96fe1b0ad6778db39425160835a80ac33ce8a84f26b71c00c26b9
MD5 hash:
7967156e138a66f3ee1bfce81836d8d0
SHA1 hash:
9cb9b595177529d4e1bad577fa618d3fff5fa894
Link:
https://www.unpac.me/results/a9024ab3-8be2-42cf-95fb-175c326c9285/
Malware family:
CHILLYCHINO
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/738a31e7a0d9/report/overview.html
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/738a31e7a0d96fe1b0ad6778db39425160835a80ac33ce8a84f26b71c00c26b9

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
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: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:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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.

Cape
Cape
https://www.capesandbox.com/analysis/42898/

Comments