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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a5a29309d0957d46b7d59faa7aaa2ea13b99138183f02d284dac6a4c63a1bb1. 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


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a5a29309d0957d46b7d59faa7aaa2ea13b99138183f02d284dac6a4c63a1bb1
SHA3-384 hash: 6433b35ad4ec360285678046925f9acd7954a7323e56d5d04c4bb53b32a0821d733f8c189aca4e55eae448c33bfff79a
SHA1 hash: 7444213c2dd57ef7ad8c7fbe4ab97deb50332da0
MD5 hash: 3b76316810d61e114015af617c5d0408
humanhash: low-virginia-white-jig
File name:2025-08-11_3b76316810d61e114015af617c5d0408_akira_cobalt-strike
Download: download sample
Signature RustyStealer
Create hunting rule
File size:506'368 bytes
First seen:2025-10-08 04:50:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f6782d32109b7fb5809a2e8033aad130 (1 x RustyStealer)
ssdeep 6144:RZzU5xOnKJ7aeR+N2cTGUDvVA9hoXROACxEPtMtq47JubGav5p/7bkC2CKkHAnTI:RZka2cT9DdAmtMtq4kt7bkeTqHQRB/
TLSH T198B4AE17B2A593BCC15AC078834B9273B673B88E15257EBF07D486702F5AE152F2DB18
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 KodaDr
Tags:APT41 exe injector RustyStealer trojan

Intelligence

File Origin
# of uploads :
1
# of downloads :
336
Origin country :
RU RU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2025-08-11_3b76316810d61e114015af617c5d0408_akira_cobalt-strike
Verdict:
No threats detected
Analysis date:
2025-10-08 04:51:09 UTC
Tags:
anti-evasion
Link:
https://app.any.run/tasks/a1f552cd-6c76-405b-ac06-3eb8f1f3d81e

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/31091/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.76214736.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e5edda7f305fa2545d80d6
Tags:
injector virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm fingerprint havoc horse krypt obfuscated packed packed unsafe vmprotect windows
Link:
https://www.filescan.io/uploads/68e5edd05a3bccf09ebca481/reports/4daef4f3-03fe-4472-b6a0-3695e221cd99/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/2a5a29309d0957d46b7d59faa7aaa2ea13b99138183f02d284dac6a4c63a1bb1
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-08-10T07:44:00Z UTC
Last seen:
2025-10-07T18:49:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/2a5a29309d0957d46b7d59faa7aaa2ea13b99138183f02d284dac6a4c63a1bb1/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f5d09d67-559e-4260-b011-658c161a26df
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2a5a29309d0957d46b7d59faa7aaa2ea13b99138183f02d284dac6a4c63a1bb1
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2a5a29309d0957d46b7d59faa7aaa2ea13b99138183f02d284dac6a4c63a1bb1/
Verdict:
Malicious
Threat:
Trojan.Win64.Agent
Link:
https://tip.neiki.dev/file/2a5a29309d0957d46b7d59faa7aaa2ea13b99138183f02d284dac6a4c63a1bb1
Threat name:
Win64.Trojan.Etset
Create hunting rule
Status:
Malicious
First seen:
2025-08-11 02:54:00 UTC
File Type:
PE+ (Exe)
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fjncsme5bfl5i235lh5kpkvc5ij3tejyda7qfuue3ldkjrr2doyq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://tria.ge/reports/251008-fgp7zawpt3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Enumerates connected drives
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2dd3791f-92c6-479f-9525-14afc08e76d3
Unpacked files
SH256 hash:
2a5a29309d0957d46b7d59faa7aaa2ea13b99138183f02d284dac6a4c63a1bb1
MD5 hash:
3b76316810d61e114015af617c5d0408
SHA1 hash:
7444213c2dd57ef7ad8c7fbe4ab97deb50332da0
Link:
https://www.unpac.me/results/d2f8c22f-9ef4-41bb-9ad5-46abd580d096/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2a5a29309d09/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/2a5a29309d0957d46b7d59faa7aaa2ea13b99138183f02d284dac6a4c63a1bb1

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
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: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
Rule name:Windows_Trojan_Generic_9997489c
Create hunting rule
Author:Elastic Security

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/31091/

Comments