MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51aaa8846bd3bcb529cfc6f868add40c19839d692d9ed218c97fb58be39fcc7b. 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


Threat unknown


Vendor detections: 16


Intelligence 16 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51aaa8846bd3bcb529cfc6f868add40c19839d692d9ed218c97fb58be39fcc7b
SHA3-384 hash: be6c08a872fcf95e2314af09f6dc5c32c9a780cfffdbf8acfcffebf37f2619523232dfd58b843592ecb1a2d60af4e76b
SHA1 hash: 07399729d3533a76936c6101918797765f9716ef
MD5 hash: 5bfbfe8380fed6b81af7e1a2c51d5fb4
humanhash: iowa-sierra-blossom-fifteen
File name:aaaa.docx
Download: download sample
File size:320'490 bytes
First seen:2025-10-22 08:17:36 UTC
Last seen:Never
File type:Word file doc
MIME type:application/vnd.openxmlformats-officedocument.wordprocessingml.document
ssdeep 6144:zJf9KPuThcPhAeXsiz6Q6lFmlLU8WhM2LWq4YHP8QNB/1wMs/x5hLJziD:P2tsiilF4LUTJLFHUa/+MspfgD
TLSH T16E6423680BCB6247D3D382FC866C9961BBFA3703505B2275F7B4C24DDE5836A1237649
TrID 52.2% (.DOCX) Word Microsoft Office Open XML Format document (23500/1/4)
38.8% (.ZIP) Open Packaging Conventions container (17500/1/4)
8.8% (.ZIP) ZIP compressed archive (4000/1)
Magika docx
Reporter Anonymous
Tags:doc

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

Embedded Images

MalwareBazaar found the following images embedded in this file:

MD5 hashdc.creator# of relations
ebf4e8a0c6da09ba161131f7efbf2d0d919744
OLE dump

MalwareBazaar was able to identify 5 sections in this file using oledump:

Section IDSection sizeSection name
A194 bytesCompObj
A220 bytesOle
A36 bytesObjInfo
A4211508 bytesCONTENTS

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aaaa.docx
Verdict:
Malicious activity
Analysis date:
2025-10-22 08:20:43 UTC
Tags:
qrcode qr-redirect
Link:
https://app.any.run/tasks/eb70f36c-a70f-4a4b-89dc-a45b707dc3aa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f8932ead6ce0f5ad409891
Tags:
office spawn remo
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Creating a window
Searching for synchronization primitives
Сreating synchronization primitives
Creating a file
Connection attempt
Sending a custom TCP request
Result
Verdict:
Malicious
File Type:
OOXML Word File with Embedding Objects
Link:
https://app.docguard.net/51aaa8846bd3bcb529cfc6f868add40c19839d692d9ed218c97fb58be39fcc7b/results/dashboard
Document image
Image:
Download PNG
Document image
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/68f89335c85c5c569731f5e2/reports/3aba6b76-dbea-40a4-8bbb-7f78c4116f27/overview
Verdict:
Malicious
Labled as:
CVE-2017-0199
Link:
https://www.hybrid-analysis.com/sample/51aaa8846bd3bcb529cfc6f868add40c19839d692d9ed218c97fb58be39fcc7b
Label:
Benign
Suspicious Score:
/10
Score Malicious:
%
Score Benign:
1%
Link:
https://www.malware.ai/gui/files/?id=0a529902-e9dd-4587-80ff-863aed68c9e8
Verdict:
Malicious
File Type:
docx
First seen:
2025-10-22T03:59:00Z UTC
Last seen:
2025-10-24T06:05:00Z UTC
Hits:
~1000
Detections:
BSS:Exploit.Win32.Generic Trojan-Downloader.MSOffice.Agent.sb Trojan-Downloader.Agent.HTTP.ServerRequest Trojan-Downloader.Agent.HTTP.C&C HEUR:Trojan-Downloader.MSOffice.Agent.gen
Link:
https://opentip.kaspersky.com/51aaa8846bd3bcb529cfc6f868add40c19839d692d9ed218c97fb58be39fcc7b/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
phis.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1799861
Signature
AI detected landing page (webpage, office document or email)
Contains an external reference to another file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
OFFICE
Link:
https://malprob.io/report/51aaa8846bd3bcb529cfc6f868add40c19839d692d9ed218c97fb58be39fcc7b
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Office Document
Link:
https://app.malva.re/file/5bfbfe8380fed6b81af7e1a2c51d5fb4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51aaa8846bd3bcb529cfc6f868add40c19839d692d9ed218c97fb58be39fcc7b/
Verdict:
Malicious
Threat:
Trojan-Downloader.Agent.HTTP
Link:
https://tip.neiki.dev/file/51aaa8846bd3bcb529cfc6f868add40c19839d692d9ed218c97fb58be39fcc7b
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-10-22 07:02:54 UTC
File Type:
Document
Extracted files:
67
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgvkrbdl2o6lkkopy34grloubqmyhhljfwpneggjp62yxy47zr5q._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
katzstealer
Create hunting rule
Similar samples:
error
Result
Malware family:
n/a
Score:
  1/10
Tags:
persistence ransomware
Link:
https://tria.ge/reports/251022-j671vsxmbt/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/14c1e5d6-e248-4dae-8750-24afc12b2f10
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51aaa8846bd3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/51aaa8846bd3bcb529cfc6f868add40c19839d692d9ed218c97fb58be39fcc7b

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXPL_Office_TemplateInjection_Aug19
Create hunting rule
Author:Florian Roth
Description:Detects possible template injections in Office documents, particularly those that load content from external sources
Reference:https://attack.mitre.org/techniques/T1221/
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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Comments