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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2bbdeb48f60e591d78ddc98fffc9504128e9b948fd58a54c2cfa927ff9db105. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2bbdeb48f60e591d78ddc98fffc9504128e9b948fd58a54c2cfa927ff9db105
SHA3-384 hash: c423ed8a0dbf86db23af56a3508372c7de5ead1f757054c76c17920cce95f1948f0d43812c0dbc1658bbd0a2708bb808
SHA1 hash: 5bae82e4ce39ba291b189d7c5f935ed0dc4c1fe0
MD5 hash: d504445b92af18bfb49cbe8b296abcc4
humanhash: wisconsin-mirror-blossom-golf
File name:b2bbdeb48f60e591d78ddc98fffc9504128e9b948fd58a54c2cfa927ff9db105
Download: download sample
Signature RegPhantom
Create hunting rule
File size:59'904 bytes
First seen:2026-10-07 09:37:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 793d5e12fbd00ed7abfa28e603970f75 (18 x RegPhantom)
ssdeep 768:nZkpmQeJExtHPcgIsOlBYmov9o2MNyg5P/93reBQX0vFjISupwP5utj+Z:nZkpmQLcsHFLMN95HtnaKk4Q
TLSH T1A8431E767E08CA47F75481FAF01009C5483166582FA561D3EEF9AFA63E2F8B10A59378
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 :
175
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/90958/
Detection(s):
SecuriteInfo.com.Trojan.NtRootKit.20663.5887.26406.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed regphantom
Link:
https://www.filescan.io/uploads/6ac6130a7e93bc678fa3a471/reports/ad163d82-bc99-4342-973f-3b3184cf70f5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b2bbdeb48f60e591d78ddc98fffc9504128e9b948fd58a54c2cfa927ff9db105
Verdict:
Malicious
File Type:
sys x64
First seen:
2026-03-21T01:38:00Z UTC
Last seen:
2026-08-03T04:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b2bbdeb48f60e591d78ddc98fffc9504128e9b948fd58a54c2cfa927ff9db105/results?tab=lookup
Malware family:
Regphantom
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df67b503-5bce-408d-8141-72c12d35844b
Score:
73%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b2bbdeb48f60e591d78ddc98fffc9504128e9b948fd58a54c2cfa927ff9db105
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/d504445b92af18bfb49cbe8b296abcc4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2bbdeb48f60e591d78ddc98fffc9504128e9b948fd58a54c2cfa927ff9db105/
Threat name:
Win64.Rootkit.Regphantom
Create hunting rule
Status:
Malicious
First seen:
2025-06-29 06:03:04 UTC
File Type:
PE+ (Sys)
AV detection:
23 of 36 (63.89%)
Threat level:
  4/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wk555nepmdszdv4n3smp77evaqji5g4ur7kyuvgcz6usp745wecq._file
Verdict:
malicious
Label(s):
RegPhantom
Create hunting rule
Link:
https://reports.threatray.com/28f48c8a-0c27-46ca-ae6e-0a5c123e41e9
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/261007-ll6neaez5t/
Unpacked files
SH256 hash:
b2bbdeb48f60e591d78ddc98fffc9504128e9b948fd58a54c2cfa927ff9db105
MD5 hash:
d504445b92af18bfb49cbe8b296abcc4
SHA1 hash:
5bae82e4ce39ba291b189d7c5f935ed0dc4c1fe0
Link:
https://www.unpac.me/results/83adf75e-5f94-4617-be27-079bd4c1e2ff/
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/b2bbdeb48f60e591d78ddc98fffc9504128e9b948fd58a54c2cfa927ff9db105

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/90958/

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