MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4e6fdd393c8a8768621713667c5e239b0df92cff2741513bdc2b03e3b453082. 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


CobaltStrike


Vendor detections: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4e6fdd393c8a8768621713667c5e239b0df92cff2741513bdc2b03e3b453082
SHA3-384 hash: 4edd22687862d60478e99079b8273e84ab4a1f085007336351d664ec70c53e18465db0673fbed78675a1fa3bbde467c6
SHA1 hash: f014e26cf76e6f150f10faeb0267f25b37c1a2c1
MD5 hash: c3813c8c95ef773ce23be6f12e495eab
humanhash: wolfram-network-potato-eleven
File name:8.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:594'954 bytes
First seen:2025-09-17 16:07:16 UTC
Last seen:2025-09-17 18:19:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8892181748c61660b1283058a8498a12 (5 x CobaltStrike, 3 x Cobalt Strike)
ssdeep 12288:3cr7dw8wtHEyZHMzwk3Ta77Hp0fWAUmBJm5djLvYFL1qoMN:3qa8wtS4TLvYFL1qoMN
TLSH T15FC44B86E7D0ADEBC61503754DEB0355373AF6A46347EB672A28B2301E47BD0FE86205
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 Anonymous
Tags:CobaltStrike exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
121
Origin country :
AE AE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8.exe
Verdict:
No threats detected
Analysis date:
2025-09-17 16:09:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ec74b181-8c76-49b9-acbd-47bbaaed87ad

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/27964/
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68cadcde88b9544392474eb9
Tags:
injection
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug mingw obfuscated overlay
Link:
https://www.filescan.io/uploads/68cadcde73287948292d8a6f/reports/71eb4648-bb37-4d19-b666-7eb0667a3ecf/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/b4e6fdd393c8a8768621713667c5e239b0df92cff2741513bdc2b03e3b453082
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-09-17T13:08:00Z UTC
Last seen:
2025-09-17T13:08:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b4e6fdd393c8a8768621713667c5e239b0df92cff2741513bdc2b03e3b453082/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/df6db5d5-af0a-4956-bf17-99412d3e292c
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b4e6fdd393c8a8768621713667c5e239b0df92cff2741513bdc2b03e3b453082
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/c3813c8c95ef773ce23be6f12e495eab
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4e6fdd393c8a8768621713667c5e239b0df92cff2741513bdc2b03e3b453082/
Threat name:
Win64.Trojan.Rozena
Create hunting rule
Status:
Malicious
First seen:
2025-09-17 15:46:57 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wttp3u4tzcuhnbrboe3gprpchgyn7ewp6j2bke55ykyd4o2fgcba._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/250917-tk3jcszjv3/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9b15443f-e48b-4cd6-805f-a6dd7522cf48
Unpacked files
SH256 hash:
b4e6fdd393c8a8768621713667c5e239b0df92cff2741513bdc2b03e3b453082
MD5 hash:
c3813c8c95ef773ce23be6f12e495eab
SHA1 hash:
f014e26cf76e6f150f10faeb0267f25b37c1a2c1
Link:
https://www.unpac.me/results/aea8e64c-4b5f-49eb-a38d-f1351c53dd00/
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/b4e6fdd393c8a8768621713667c5e239b0df92cff2741513bdc2b03e3b453082

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:Check_OutputDebugStringA_iat
Create hunting rule
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:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
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

CobaltStrike

Executable exe b4e6fdd393c8a8768621713667c5e239b0df92cff2741513bdc2b03e3b453082

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3625749/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/27964/

Comments