MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a3f21b2f0b0c4d4e5d43cfdcd8fb800c95a4ad7ec582d714ccd9480df826e2c. 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


CoinMiner


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a3f21b2f0b0c4d4e5d43cfdcd8fb800c95a4ad7ec582d714ccd9480df826e2c
SHA3-384 hash: c2ddf0bc2e9b97684bcaa5d457c7856f5129210b94654797cf11ba49841feec49606f09ec055efdb1bb7c6f81a61f460
SHA1 hash: 2ef5d0d8492aa47d9074b6a24cdb67be51c5e2c9
MD5 hash: 9191668067d2e379c9bc471341021d02
humanhash: queen-artist-undress-mike
File name:bin.bin
Download: download sample
Signature CoinMiner
Create hunting rule
File size:13'312 bytes
First seen:2026-04-15 20:04:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4fd2ddf42f3df0a0865c6aa4fca0a5c5 (1 x CoinMiner)
ssdeep 192:qBDgiosjKyxBeX4hbStD0PInkXK4M6XoKcqcc6UV:QgiozyHeX4eD0AnIK4M6XyczV
TLSH T13352B74012C131EAE21E437E6473C8A6B96DF40283512DFF95A5DABB5E01EC2F93EB45
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter johnk3r
Tags:CoinMiner exe hmbr-org-br latam

Intelligence

File Origin
# of uploads :
1
# of downloads :
153
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Malware family:
xmrig
Create hunting rule
ID:
1
File name:
https://hmbr.org.br/downloads/PdfReader.zip
Verdict:
Malicious activity
Analysis date:
2026-04-15 13:40:38 UTC
Tags:
arch-exec github miner xmrig
Link:
https://app.any.run/tasks/fd846862-4f84-4416-a7fd-38536652bdd2

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/61790/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69dfef6845787c53e53a102b
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug hacktool masquerade microsoft_visual_cc
Link:
https://www.filescan.io/uploads/69dfef5a799d5bf325008e32/reports/cc69aa5b-6f8e-48e7-b991-8125b5ab21ab/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/4a3f21b2f0b0c4d4e5d43cfdcd8fb800c95a4ad7ec582d714ccd9480df826e2c
Verdict:
Unknown
File Type:
exe x64
Link:
https://opentip.kaspersky.com/4a3f21b2f0b0c4d4e5d43cfdcd8fb800c95a4ad7ec582d714ccd9480df826e2c/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/38099808-0ea2-4b3b-ad99-060b33970010
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
evad.mine
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1899076
Signature
Found potential dummy code loops (likely to delay analysis)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
Score:
90%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4a3f21b2f0b0c4d4e5d43cfdcd8fb800c95a4ad7ec582d714ccd9480df826e2c
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a3f21b2f0b0c4d4e5d43cfdcd8fb800c95a4ad7ec582d714ccd9480df826e2c/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ji7sdmxqwdcnjzouht643d5yadevuswx5rmc24kmzwkibx4cnywa._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260415-ytq9xahw2n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
4a3f21b2f0b0c4d4e5d43cfdcd8fb800c95a4ad7ec582d714ccd9480df826e2c
MD5 hash:
9191668067d2e379c9bc471341021d02
SHA1 hash:
2ef5d0d8492aa47d9074b6a24cdb67be51c5e2c9
Link:
https://www.unpac.me/results/5f2f8d80-b200-4929-a7c9-2059d1ec4189/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/4a3f21b2f0b0c4d4e5d43cfdcd8fb800c95a4ad7ec582d714ccd9480df826e2c

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: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.

File information

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

Malspam

CoinMiner

Executable exe 9333c323c3fe82695c58625412e5163cf0db4804e3740b941bde6aef4375999a

CoinMiner

Executable exe 4a3f21b2f0b0c4d4e5d43cfdcd8fb800c95a4ad7ec582d714ccd9480df826e2c

(this sample)

  
Dropped by
SHA256 9333c323c3fe82695c58625412e5163cf0db4804e3740b941bde6aef4375999a
Cape
Cape
https://www.capesandbox.com/analysis/61790/
  
Dropped by
MD5 cdafef0209c6ea580496f5f729f231fb

Comments