MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f38a56b8dc0e8a581999621eef65ef497f0ac0d35e953bd94335926f00e9464f. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments 1

SHA256 hash: f38a56b8dc0e8a581999621eef65ef497f0ac0d35e953bd94335926f00e9464f
SHA3-384 hash: f5fc6a312a9dbaae16210b6eb2af022bbf28993ddc0f91eb9adf0e7a749333408ac623361e9be3761f607837d0ed636f
SHA1 hash: b7e56f4b31f4fdbe844c3d4a4156f1d0e3b3ea97
MD5 hash: 3a95186019af1943a0ea0f8eb07a288f
humanhash: nebraska-spaghetti-freddie-johnny
File name:Cybersecurity.doc
Download: download sample
File size:2'923'520 bytes
First seen:2026-01-08 21:17:10 UTC
Last seen:Never
File type:Word file doc
MIME type:application/msword
ssdeep 24576:J97DkXCl6mchTj6QZ0sedNOX7Prm4M3fbVaVHqkP3O55+D1K:b76CQm
TLSH T16BD5C6D05AC54A81F157D844B494FFE2093A7A67FADC0CF2D37A2A09CF6E9221647E4C
TrID 52.6% (.DOC) Microsoft Word document (30000/1/2)
33.3% (.DOC) Microsoft Word document (old ver.) (19000/1/2)
14.0% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika doc
Reporter smica83
Tags:apt doc muddywater

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.

OLE dump

MalwareBazaar was able to identify 29 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2280 bytesDocumentSummaryInformation
3404 bytesSummaryInformation
48100 bytes1Table
519369 bytesData
6624 bytesMacros/PROJECT
771 bytesMacros/PROJECTwm
897 bytesMacros/UserForm1/CompObj
9292 bytesMacros/UserForm1/VBFrame
1090 bytesMacros/UserForm1/f
112576440 bytesMacros/UserForm1/o
129163 bytesMacros/VBA/ThisDocument
131470 bytesMacros/VBA/UserForm1
145340 bytesMacros/VBA/_VBA_PROJECT
154039 bytesMacros/VBA/__SRP_0
16416 bytesMacros/VBA/__SRP_1
174336 bytesMacros/VBA/__SRP_2
18308 bytesMacros/VBA/__SRP_3
19614 bytesMacros/VBA/__SRP_4
20106 bytesMacros/VBA/__SRP_5
21824 bytesMacros/VBA/dir
22303 bytesMsoDataStore/WBE02ORNE4UK5V==/Item
23341 bytesMsoDataStore/WBE02ORNE4UK5V==/Properties
24112 bytesObjectPool/_1829073733/CompObj
2516 bytesObjectPool/_1829073733/OCXNAME
266 bytesObjectPool/_1829073733/ObjInfo
27264 bytesObjectPool/_1829073733/PRINT
2864 bytesObjectPool/_1829073733/contents
29257769 bytesWordDocument

Intelligence


File Origin
# of uploads :
1
# of downloads :
159
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New rules for the General Administration of Pensions and Social Insurance.doc
Verdict:
Malicious activity
Analysis date:
2026-01-06 12:21:17 UTC
Tags:
macros macros-on-open rust

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%
Tags:
vmdetect office macro micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process with a hidden window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Running batch commands by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Legacy Word File with Macro
Behaviour
BlacklistAPI detected
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm base64 cmd dropper lolbin macros macros-on-open obfuscated packed
Verdict:
Malicious
Labled as:
Msoffice/malicious_confidence_100%
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Macro with File System Write
Detected macro logic that can write data to the file system.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Macro Execution Coercion in Image
Detected an image that appears to social engineer the user into activating embedded logic.
Verdict:
Malicious
File Type:
doc
First seen:
2026-01-05T09:01:00Z UTC
Last seen:
2026-01-09T00:20:00Z UTC
Hits:
~100
Detections:
Trojan.MSOffice.Agent.sb HEUR:Trojan-Dropper.MSOffice.SDrop.gen HEUR:Trojan.Script.Generic Trojan.APosT.UDP.C&C Trojan.Win32.APosT.blwz Trojan-Dropper.MSOffice.SDrop.sb Trojan-Downloader.MSOffice.SLoad.sb Trojan.MSOffice.SAgent.sb
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
88 / 100
Signature
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
Sigma detected: Suspicious Microsoft Office Child Process
Behaviour
Behavior Graph:
Verdict:
Malware
YARA:
7 match(es)
Tags:
Blacklist VBA Corrupted Office Document
Verdict:
Malicious
Threat:
Trojan-Dropper.MSOffice.SDrop
Threat name:
Document-Word.Trojan.Chartres
Status:
Malicious
First seen:
2026-01-06 07:50:58 UTC
File Type:
Document
Extracted files:
36
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
macro macro_on_action
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Executes dropped EXE
Process spawned unexpected child process
Verdict:
Malicious
Tags:
trojan TA505 Doc.Dropper.HexEncodedEXEHeader-9789587-1
YARA:
TA505_Maldoc_21Nov_2
Please note that we are no longer able to provide a coverage score for Virus Total.

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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:TA505_Maldoc_21Nov_2
Author:Arkbird_SOLG
Description:invitation (1).xls
Reference:https://twitter.com/58_158_177_102/status/1197432303057637377
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Comments



Avatar
Szabolcs Schmidt commented on 2026-01-08 21:25:08 UTC

https://www.cloudsek.com/blog/reborn-in-rust-muddywater-evolves-tooling-with-rustywater-implant