MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 73de80c3f4980c69b63095cd351680d970496296561274a6b06b3661c942b3ff. 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
NanoCore
Vendor detections: 12
Maldoc score: 52
| SHA256 hash: | 73de80c3f4980c69b63095cd351680d970496296561274a6b06b3661c942b3ff |
|---|---|
| SHA3-384 hash: | 7328b168e72172be69bceac6f01a6e2c6a589793792618a4d8107ee0aeee65999b0b6f0a477ace803935d5c177fdb4f6 |
| SHA1 hash: | ab16464715a18f04ddca374ea67f704902dda40d |
| MD5 hash: | c0e317095e3f44baeb6c6a5d671483e9 |
| humanhash: | uniform-one-hawaii-football |
| File name: | BL DOCUMENT&PL.docm |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 645'088 bytes |
| First seen: | 2022-07-19 04:05:44 UTC |
| Last seen: | Never |
| File type: |  docm |
| MIME type: | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| ssdeep | 12288:a/BjF8bqTtukI4DLk+N76BI7G+eDYYQgc6gID6ijVAm5vbZ82NHKLtO2I9:adWmukI6Y+N7uDgl6gI9VAm5vzsI9 |
| TLSH | T12FD423E7C015E7DFE86CBB7D2C86A06D6E041589ACBDB5082E96B4D74FD970B820381D |
| TrID | 53.0% (.DOCM) Word Microsoft Office Open XML Format document (with Macro) (52000/1/9) 23.9% (.DOCX) Word Microsoft Office Open XML Format document (23500/1/4) 17.8% (.ZIP) Open Packaging Conventions container (17500/1/4) 4.0% (.ZIP) ZIP compressed archive (4000/1) 1.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1) |
| Reporter |  abuse_ch |
| Tags: | docm NanoCore RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 193.233.187.19:555 | https://threatfox.abuse.ch/ioc/838635/ |
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: 52 |
OLE dump
MalwareBazaar was able to identify 6 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 365 bytes | PROJECT |
| A2 | 41 bytes | PROJECTwm |
| A3 | 39188 bytes | VBA/ThisDocument |
| A4 | 6604 bytes | VBA/_VBA_PROJECT |
| A5 | 512 bytes | VBA/dir |
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 |
| AutoExec | CmdCalc_Click | Runs when the file is opened and ActiveX objects trigger events |
| Hex String | powershell.exe | 706F7765727368656C6C2E657865202D4578656375746 96F6E506F6C69637920627970617373202D6E6F70726F 66696C65202D77696E646F777374796C6520686964646 56E202D636F6D6D616E6420284E65772D4F626A656374 E446F776E6C6F616446696C652827687474703A2F2F31 |
| Suspicious | Environ | May read system environment variables |
| Suspicious | Open | May open a file |
| Suspicious | Put | May write to a file (if combined with Open) |
| Suspicious | Output | May write to a file (if combined with Open) |
| Suspicious | Binary | May read or write a binary file (if combined with Open) |
| Suspicious | FileCopy | May copy a file |
| Suspicious | Kill | May delete a file |
| Suspicious | Shell | May run an executable file or a system command |
| Suspicious | create | May execute file or a system command through WMI |
| Suspicious | Command | May run PowerShell commands |
| Suspicious | MkDir | May create a directory |
| Suspicious | CreateObject | May create an OLE object |
| Suspicious | GetObject | May get an OLE object with a running instance |
| Suspicious | Lib | May run code from a DLL |
| Suspicious | SendKeys | May control another application by simulating user keystrokes |
| Suspicious | AppActivate | May control another application by simulating user keystrokes |
| Suspicious | chr | May attempt to obfuscate specific strings (use option --deobf to deobfuscate) |
| Suspicious | Xor | May attempt to obfuscate specific strings (use option --deobf to deobfuscate) Hex) Hex) Hex) Hex) |
| Suspicious | Start-Process | May run an executable file or a system |
| Suspicious | New-Object | May create an OLE object using PowerShell |
| Suspicious | Net.WebClient | May download files from the Internet using |
| Suspicious | DownloadFile | May download files from the Internet using |
| Suspicious | System | May run an executable file or a system command on a Mac (if combined with |
| 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 :
406
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
BL DOCUMENT&PL.docm
Verdict:
Malicious activity
Analysis date:
2022-07-19 01:34:51 UTC
Tags:
loader rat nanocore trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
MiscreantPunch.AOEXEPRIMEEXEDEC.180205.UNOFFICIAL
MiscreantPunch.DECPSHELL.180211.UNOFFICIAL
TwinWave.EvilDoc.DOCXRSTRGOOD.POWERSHELL.200302.UNOFFICIAL
TwinWave.EvilDoc.DOCXRSTRGOOD.NEW-OBJECT.200322.UNOFFICIAL
TwinWave.EvilDoc.DOCXSTRGOOD.HTTP
MiscreantPunch.EvilMacro.AADODSCST.1.UNOFFICIAL
SecuriteInfo.com.Office.Macro-13.UNOFFICIAL
TwinWave.EvilDoc.DOCXRSTRGOOD.POWERSHELL.211012.UNOFFICIAL
TwinWave.EvilDoc.DOCXSTRGOOD..WEBCLIENT.200112.UNOFFICIAL
MiscreantPunch.DECPSHELL.180211.UNOFFICIAL
TwinWave.EvilDoc.DOCXRSTRGOOD.POWERSHELL.200302.UNOFFICIAL
TwinWave.EvilDoc.DOCXRSTRGOOD.NEW-OBJECT.200322.UNOFFICIAL
TwinWave.EvilDoc.DOCXSTRGOOD.HTTP
MiscreantPunch.EvilMacro.AADODSCST.1.UNOFFICIAL
SecuriteInfo.com.Office.Macro-13.UNOFFICIAL
TwinWave.EvilDoc.DOCXRSTRGOOD.POWERSHELL.211012.UNOFFICIAL
TwinWave.EvilDoc.DOCXSTRGOOD..WEBCLIENT.200112.UNOFFICIAL
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Launching a process
Unauthorized injection to a recently created process
Launching a file downloaded from the Internet
Result
Verdict:
Malicious
File Type:
Word File with Macro
Payload URLs
URL
File name
http://www.allapi.net/
vbaProject.bin
Document image
Image:
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
fingerprint macros macros-on-open packed powershell stealer
Label:
Malicious
Suspicious Score:
9.4/10
Score Malicious:
94%
Score Benign:
6%
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.
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...
Suspicious Document Variables
Detected a macro that references a suspicious number of tersely named variables.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Bypasses PowerShell execution policy
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with functions possibly related to WSH operations (process, registry, environment, or keystrokes)
Document contains an embedded VBA with hexadecimal encoded strings
Document contains an embedded VBA with many string operations indicating source code obfuscation
Document contains VBA stomped code (only p-code) potentially bypassing AV detection
Document exploit detected (process start blacklist hit)
Drops executables to the windows directory (C:\Windows) and starts them
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Powershell drops PE file
Sigma detected: Powershell download and execute file
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Behaviour
Behavior Graph:
Threat name:
Script.Trojan.Valyria
Status:
Malicious
First seen:
2022-07-19 04:06:08 UTC
File Type:
Document
Extracted files:
21
AV detection:
10 of 39 (25.64%)
Threat level:
5/5
Detection(s):
Suspicious file
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: | malware_shellcode_hash |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect shellcode api hash value |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pdb_YARAify |
|---|---|
| Author: | @wowabiy314 |
| Description: | PDB |
| Rule name: | vbaproject_bin |
|---|---|
| Author: | CD_R0M_ |
| Description: | {76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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