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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0c291e8942c8c7fecccff3fbdb65f65c76312d384a73d3748042a319209c91c. 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


RegPhantom


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0c291e8942c8c7fecccff3fbdb65f65c76312d384a73d3748042a319209c91c
SHA3-384 hash: 5c508d6996c4d1d481219c75d432e51e4c4ae3dfa46efcd4f57b6ef81299647540faccb95fbe986f41a1b3498215bb2a
SHA1 hash: f7caffb52926d7513a444b148779b933abfea178
MD5 hash: cdf2f76525ad09669316f8933183a071
humanhash: friend-speaker-four-bluebird
File name:a0c291e8942c8c7fecccff3fbdb65f65c76312d384a73d3748042a319209c91c
Download: download sample
Signature RegPhantom
Create hunting rule
File size:59'904 bytes
First seen:2026-10-07 09:41:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 793d5e12fbd00ed7abfa28e603970f75 (18 x RegPhantom)
ssdeep 768:PrzNHlBhjSnBITlwtcH9MJS0SqHq9K4+ChBQIEQEduOxhFE8bvESKPj6L1b9MkK1:PrzNH5SBIhjHgCaT4JhKIHEdBd6d
TLSH T1E1431E763D4CCA43F74480FAF01149C5483167582FA561E3EEF9AFA63E2F8A14A59378
TrID 44.6% (.EXE) Win64 Executable (generic) (6522/11/2)
14.0% (.ICL) Windows Icons Library (generic) (2059/9)
13.8% (.EXE) OS/2 Executable (generic) (2029/13)
13.7% (.EXE) Generic Win/DOS Executable (2002/3)
13.6% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter pierrehpezier
Tags:exe RegPhantom

Intelligence

File Origin
# of uploads :
1
# of downloads :
189
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/90969/
Detection(s):
SecuriteInfo.com.Variant.GenericFCA.Agent.Zusy.23.92939473.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed rootkit
Link:
https://www.filescan.io/uploads/6ac613fd7e93bc678fa3ad41/reports/2f28e356-0efd-4b9b-a979-22236802b9df/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a0c291e8942c8c7fecccff3fbdb65f65c76312d384a73d3748042a319209c91c
Malware family:
Regphantom
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3a4e7393-158a-41b9-a084-e5d5e3205656
Score:
74%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a0c291e8942c8c7fecccff3fbdb65f65c76312d384a73d3748042a319209c91c
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/cdf2f76525ad09669316f8933183a071
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a0c291e8942c8c7fecccff3fbdb65f65c76312d384a73d3748042a319209c91c/
Threat name:
Win64.Rootkit.Regphantom
Create hunting rule
Status:
Malicious
First seen:
2025-07-17 13:49:20 UTC
File Type:
PE+ (Sys)
AV detection:
22 of 36 (61.11%)
Threat level:
  4/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=udbjd2eufsgh73gm74733ns7mxdwgewtqstt2n2iaqvddeqjzeoa._file
Verdict:
malicious
Label(s):
RegPhantom
Create hunting rule
Link:
https://reports.threatray.com/a5b1f433-193c-4324-991e-66702c0e473f
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/261007-lsbfvaxs4n/
Unpacked files
SH256 hash:
a0c291e8942c8c7fecccff3fbdb65f65c76312d384a73d3748042a319209c91c
MD5 hash:
cdf2f76525ad09669316f8933183a071
SHA1 hash:
f7caffb52926d7513a444b148779b933abfea178
Link:
https://www.unpac.me/results/f0e1ea01-a0b1-4f79-bf5e-da977d8d4eb0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
DriveBy Activity
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a0c291e8942c8c7fecccff3fbdb65f65c76312d384a73d3748042a319209c91c

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:MAL_Kernel_RegPhantom_Mar26
Create hunting rule
Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects RegPhantom, a kernel-mode rootkit that allow attacker to inject arbitrary code from unprivileged user-mode into kernel-mode and execute it.
Reference:Internal Research
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.

Cape
Cape
https://www.capesandbox.com/analysis/90969/

Comments