MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 356b186ef1508cbb135594e7a04fafdf69610176a75605cb1c81c818c062bc85. 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


CoffLoader


Vendor detections: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 356b186ef1508cbb135594e7a04fafdf69610176a75605cb1c81c818c062bc85
SHA3-384 hash: 8a345013b84e08d79c4daedbbbaa6a2d70007c65b891e441663ec2ae01aa65b162aaa4d391206333e13f510234d4d47c
SHA1 hash: e81ececfccedf42ead96d63c3595578304ad7e37
MD5 hash: ef5d7b40ae3b5d3ae6b81b65b961a742
humanhash: sad-oxygen-equal-summer
File name:qr2q4.exe
Download: download sample
Signature CoffLoader
Create hunting rule
File size:185'344 bytes
First seen:2026-03-31 18:43:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dbf059222d1ebab08383b60c600a0162 (1 x CoffLoader)
ssdeep 3072:Dk+xx1un9K/ymhFQSgwAjjfmDlbq1OUb9XeboI:QPtmwlmszObp
TLSH T16304525BE67660ECD1BBC03982527632F9A17C5C83356BA74B5187321734BE0BA7E720
TrID 56.8% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
22.4% (.EXE) Win64 Executable (generic) (6522/11/2)
6.9% (.EXE) OS/2 Executable (generic) (2029/13)
6.8% (.EXE) Generic Win/DOS Executable (2002/3)
6.8% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter KnownSpotter
Tags:CoffLoader exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
CA CA
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
356b186ef1508cbb135594e7a04fafdf69610176a75605cb1c81c818c062bc85.exe
Verdict:
No threats detected
Analysis date:
2026-03-21 14:00:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0db15883-10e1-4a07-8aef-03bf42da952f

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/59950/
Detection(s):
SecuriteInfo.com.Win64.Malware-gen.36411172.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69bea48baacb4c376b1275d1
Tags:
malware
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin nim rundll32
Link:
https://www.filescan.io/uploads/69cc15ff972c219c8d73bfc6/reports/d883a170-3de6-4955-87fc-ca6809a94009/overview
Verdict:
Malicious
Labled as:
CoffLoader.Marte.A.Generic
Link:
https://www.hybrid-analysis.com/sample/356b186ef1508cbb135594e7a04fafdf69610176a75605cb1c81c818c062bc85
Verdict:
Adware
File Type:
exe x64
First seen:
2026-03-21T12:13:00Z UTC
Last seen:
2026-03-25T00:54:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/356b186ef1508cbb135594e7a04fafdf69610176a75605cb1c81c818c062bc85/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4e32208a-faf7-48aa-88ab-3dd4ac4867e4
Score:
63%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/356b186ef1508cbb135594e7a04fafdf69610176a75605cb1c81c818c062bc85
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/ef5d7b40ae3b5d3ae6b81b65b961a742
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/356b186ef1508cbb135594e7a04fafdf69610176a75605cb1c81c818c062bc85/
Verdict:
Malicious
Threat:
Family.COFFLOADER
Link:
https://tip.neiki.dev/file/356b186ef1508cbb135594e7a04fafdf69610176a75605cb1c81c818c062bc85
Threat name:
Win64.Trojan.CoffLoaderMarte
Create hunting rule
Status:
Malicious
First seen:
2026-03-21 14:00:50 UTC
File Type:
PE+ (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gvvrq3xrkcglwe2vstt2at5p35uwcalwu5lalsy4qhebrqdcxscq._file
Result
Malware family:
coffloader
Create hunting rule
Score:
  10/10
Tags:
family:coffloader
Link:
https://tria.ge/reports/260331-xdkxhsgw61/
Unpacked files
SH256 hash:
356b186ef1508cbb135594e7a04fafdf69610176a75605cb1c81c818c062bc85
MD5 hash:
ef5d7b40ae3b5d3ae6b81b65b961a742
SHA1 hash:
e81ececfccedf42ead96d63c3595578304ad7e37
Link:
https://www.unpac.me/results/49f3e384-8213-4086-8bc1-6abb6f9be573/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/356b186ef1508cbb135594e7a04fafdf69610176a75605cb1c81c818c062bc85

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: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:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Hacktool_COFFLoader_81ba13b8
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/59950/

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