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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 703dfb12edc6da592e3dfb951ca2d84bf349e6a16ad3a2ab32b275349956e7c4. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 703dfb12edc6da592e3dfb951ca2d84bf349e6a16ad3a2ab32b275349956e7c4
SHA3-384 hash: ba613cd0c2e9a3d53761d29b5e6da3f63ebe9dbd4f86a9027e63d6dbf9f875d9060ad409d40a8051f97e0ce8478350d3
SHA1 hash: 814b299c6e4e4f5988aa98f3e9801d7e71a6cf78
MD5 hash: 5fa55b6b9a680cf8dbd6b3c837c3ef15
humanhash: aspen-friend-fourteen-crazy
File name:703dfb12edc6da592e3dfb951ca2d84bf349e6a16ad3a2ab32b275349956e7c4
Download: download sample
Signature RegPhantom
Create hunting rule
File size:41'984 bytes
First seen:2026-10-07 09:34:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 82cbb19dd1d560fa9292be39fd317e44 (2 x RegPhantom)
ssdeep 768:gCrvupRyaysThOq+C6IDMFqYv5+UUxcQapyvf:gCzup8a3TAq+wliDgX
TLSH T1BA130076694CCA83F754C1FEF01049C9443126582FA561D3EEBDAFA23E3F8B54A19368
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 :
177
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/90951/
Detection(s):
SecuriteInfo.com.Variant.GenericFCA.Agent.Mikey.7.19547994.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad03122f4e17c78f7156012
Tags:
malware
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm microsoft_visual_cc regphantom
Link:
https://www.filescan.io/uploads/6ac61260ca38d8a92af12efb/reports/c992b9e5-a3ac-44a7-b439-7cece7e8ef4c/overview
Verdict:
Malicious
Labled as:
Trojan[Rootkit]/Win64.RegPhantom
Link:
https://www.hybrid-analysis.com/sample/703dfb12edc6da592e3dfb951ca2d84bf349e6a16ad3a2ab32b275349956e7c4
Verdict:
Malicious
File Type:
sys x64
First seen:
2026-03-21T01:38:00Z UTC
Last seen:
2026-09-20T09:56:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/703dfb12edc6da592e3dfb951ca2d84bf349e6a16ad3a2ab32b275349956e7c4/results?tab=lookup
Malware family:
Regphantom
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/43ee6087-6776-43d2-ab8a-3a1ecad23813
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/703dfb12edc6da592e3dfb951ca2d84bf349e6a16ad3a2ab32b275349956e7c4
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/5fa55b6b9a680cf8dbd6b3c837c3ef15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/703dfb12edc6da592e3dfb951ca2d84bf349e6a16ad3a2ab32b275349956e7c4/
Threat name:
Win64.Rootkit.Regphantom
Create hunting rule
Status:
Suspicious
First seen:
2025-06-25 22:56:29 UTC
File Type:
PE+ (Sys)
AV detection:
18 of 23 (78.26%)
Threat level:
  4/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oa67wexny3nfslr57okrziwyjpzutzvbnlj2fkzswj2tjgkw47ca._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/261007-lkh6qaw13m/
Unpacked files
SH256 hash:
703dfb12edc6da592e3dfb951ca2d84bf349e6a16ad3a2ab32b275349956e7c4
MD5 hash:
5fa55b6b9a680cf8dbd6b3c837c3ef15
SHA1 hash:
814b299c6e4e4f5988aa98f3e9801d7e71a6cf78
Link:
https://www.unpac.me/results/77f4f361-90bc-4204-9b4f-ee8466c9291d/
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/703dfb12edc6da592e3dfb951ca2d84bf349e6a16ad3a2ab32b275349956e7c4

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.

  
Link
https://www.nextron-systems.com/2026/03/20/regphantom-backdoor-threat-analysis/
Cape
Cape
https://www.capesandbox.com/analysis/90951/

Comments