MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 24381937a49cc3d6d081aba897d8317b4a2d704b3a72d0cc088c29b243304e0a. 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
TrickBot
Vendor detections: 10
Maldoc score: 10
| SHA256 hash: | 24381937a49cc3d6d081aba897d8317b4a2d704b3a72d0cc088c29b243304e0a |
|---|---|
| SHA3-384 hash: | 121e68744af7c00f30bd75df01334d702a246e63bb0bedc4925f3830cb8ecc7f6147407274e28068457976cb024ee1e0 |
| SHA1 hash: | bab19112d4988b0ea40bcf8b85d50269faf4ddb7 |
| MD5 hash: | eb2023c5008a373142d5c3294b2ecccb |
| humanhash: | carbon-grey-arizona-cola |
| File name: | SecureMessage.doc |
| Download: | download sample |
| Signature | TrickBot |
| File size: | 58'880 bytes |
| First seen: | 2021-10-27 10:25:32 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | application/msword |
| ssdeep | 768:9DBgUoNJT+8bMU3cl1rI637yWzpx0pmEYAWp:bgUo/VMUsbI635IpC |
| TLSH | T12A435B0172A5C62BF24B45394DD7CAEB363CFC18AE41832F33507B5E2C747A48A65B66 |
| Reporter |  abuse_ch |
| Tags: | doc TrickBot |
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: 10 |
OLE dump
MalwareBazaar was able to identify 17 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| 1 | 121 bytes | CompObj |
| 2 | 4096 bytes | DocumentSummaryInformation |
| 3 | 4096 bytes | SummaryInformation |
| 4 | 7415 bytes | 1Table |
| 5 | 19691 bytes | Data |
| 6 | 97 bytes | Macros/Form/CompObj |
| 7 | 287 bytes | Macros/Form/VBFrame |
| 8 | 395 bytes | Macros/Form/f |
| 9 | 652 bytes | Macros/Form/o |
| 10 | 549 bytes | Macros/PROJECT |
| 11 | 80 bytes | Macros/PROJECTwm |
| 12 | 1324 bytes | Macros/VBA/Form |
| 13 | 3857 bytes | Macros/VBA/Module1 |
| 14 | 1083 bytes | Macros/VBA/ThisDocument |
| 15 | 3423 bytes | Macros/VBA/_VBA_PROJECT |
| 16 | 833 bytes | Macros/VBA/dir |
| 17 | 4142 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 | autoopen | Runs when the Word document is opened |
| AutoExec | Edit2_Change | Runs when the file is opened and ActiveX objects trigger events |
| Suspicious | Shell | May run an executable file or a system command |
| Suspicious | Chr | May attempt to obfuscate specific strings (use option --deobf to deobfuscate) |
| Suspicious | Hex Strings | Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
| Suspicious | Base64 Strings | Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
Intelligence
File Origin
# of uploads :
1
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Malicious
File Type:
Legacy Word File with Macro
Payload URLs
URL
File name
https://i.stack.imgur.com/h6viz.gif
Data
Document image
Image:
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
cmd macros macros-on-open powershell
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Detected unpacking (changes PE section rights)
Document exploit detected (process start blacklist hit)
Downloads files with wrong headers with respect to MIME Content-Type
Hijacks the control flow in another process
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Powershell download and execute file
Sigma detected: PowerShell DownloadFile
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Svchost Process
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Detection:
trickbot
Threat name:
Document-Word.Downloader.Donoff
Status:
Malicious
First seen:
2017-05-11 10:06:20 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
3/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Drops file in System32 directory
Looks up external IP address via web service
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://benwellgroup.co.uk/cuS5pV27ci8rvFuoBYYCU.png
Malware family:
BlackEnergy/Voodoo Bear
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: | INDICATOR_DOC_PhishingPatterns |
|---|---|
| Author: | ditekSHen |
| Description: | Detects OLE, RTF, PDF and OOXML (decompressed) documents with common phishing strings |
| Rule name: | SUSP_EnableContent_String_Gen |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious string that asks to enable active content in Office Doc |
| Reference: | Internal Research |
| Rule name: | SUSP_EnableContent_String_Gen_RID322C |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious string that asks to enable active content in Office Doc |
| Reference: | Internal Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
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