MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3a2a1eff040a79d603b1ac2609a423ad8beb46d2876aa959f60dc98477707c0f. 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: 12
Maldoc score: 5
| SHA256 hash: | 3a2a1eff040a79d603b1ac2609a423ad8beb46d2876aa959f60dc98477707c0f |
|---|---|
| SHA3-384 hash: | 6e608c09fc88d3d7034cfcd37c0764e2d09df985dc8e9a112a5ddd5ff31b20437b11392f7d9c47e770533a22f0f90a32 |
| SHA1 hash: | 15252272f8d6911731eef807a49f045ff97a8a46 |
| MD5 hash: | f994697106f7c6cef2f394a9429d9e67 |
| humanhash: | friend-bulldog-utah-seven |
| File name: | something.doc |
| Download: | download sample |
| File size: | 965'632 bytes |
| First seen: | 2022-03-21 16:45:24 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | application/msword |
| ssdeep | 24576:IFW1KECuoOpbodVYnRI50bl1n19X6cpALHKeZBdQm1Xbd:YECuoQb8Vf5ynfAzpT1Ld |
| TLSH | T12A252346FEC29F63E26B9974A9D7C56E622CFC496E96C007B3657B0C7078BB051E200D |
| Reporter |  James_inthe_box |
| 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.
OLE id
| Maldoc score: 5 |
OLE dump
MalwareBazaar was able to identify 15 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| 1 | 114 bytes | CompObj |
| 2 | 320 bytes | DocumentSummaryInformation |
| 3 | 408 bytes | SummaryInformation |
| 4 | 7718 bytes | 1Table |
| 5 | 67993 bytes | Data |
| 6 | 467 bytes | Macros/PROJECT |
| 7 | 89 bytes | Macros/PROJECTwm |
| 8 | 1682 bytes | Macros/VBA/Module1 |
| 9 | 1513 bytes | Macros/VBA/Module2 |
| 10 | 1136 bytes | Macros/VBA/ThisDocument |
| 11 | 3072 bytes | Macros/VBA/_VBA_PROJECT |
| 12 | 587 bytes | Macros/VBA/dir |
| 13 | 863511 bytes | ObjectPool/_1709415777/Ole10Native |
| 14 | 6 bytes | ObjectPool/_1709415777/ObjInfo |
| 15 | 4096 bytes | WordDocument |
OLE vba
MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:
| Type | Keyword | Description |
|---|---|---|
| AutoExec | Document_Open | Runs when the Word or Publisher document is opened |
| Suspicious | Open | May open a file |
| Suspicious | CreateObject | May create an OLE object |
Intelligence
File Origin
# of uploads :
1
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3a2a1eff040a79d603b1ac2609a423ad8beb46d2876aa959f60dc98477707c0f.doc
Verdict:
Malicious activity
Analysis date:
2022-03-22 01:22:48 UTC
Tags:
macros ole-embedded macros-on-open generated-doc encrypted evasion trojan
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Changing a file
Creating a file in the %temp% directory
Changing the Zone.Identifier stream
Launching a process
Searching for synchronization primitives
Moving a file to the %AppData% subdirectory
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Changing an executable file
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Word File with Macro
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
macros macros-on-open
Label:
Malicious
Suspicious Score:
7.4/10
Score Malicious:
75%
Score Benign:
25%
Result
Verdict:
MALICIOUS
Link:
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 Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
72 / 100
Signature
Document contains encrypted data (likely password protected)
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)
Behaviour
Behavior Graph:
Threat name:
Document-Office.Trojan.Heuristic
Status:
Malicious
First seen:
2022-03-21 16:45:20 UTC
File Type:
Document
Extracted files:
30
AV detection:
6 of 36 (16.67%)
Threat level:
2/5
Result
Malware family:
n/a
Score:
8/10
Tags:
macro macro_on_action
Behaviour
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Process spawned suspicious child process
Malware family:
CryptOne
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| Rule name: | Hancitor |
|---|---|
| Author: | Dhanunjaya |
| Description: | Yara Rule To Detect Hancitor |
| Rule name: | malware_shellcode_hash |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect shellcode api hash value |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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