MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4e951bec6e8dfd80a8955601d72a40e02c098d78164d429dfc8e49dba5db46cc. 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
QuasarRAT
Vendor detections: 11
Maldoc score: 13
| SHA256 hash: | 4e951bec6e8dfd80a8955601d72a40e02c098d78164d429dfc8e49dba5db46cc |
|---|---|
| SHA3-384 hash: | 31680f1f85e0ced74d42970c853cc96bef6e0d8202424529070d71b8d401ec6545937c7a02b61f892933e706d6a2202b |
| SHA1 hash: | 809ad29add4f204db6975ee905108578264e15fa |
| MD5 hash: | 75428433de2d9ef3b81510e86fe9dcd5 |
| humanhash: | potato-earth-glucose-berlin |
| File name: | IN10011520134 WAVE ARMATURE WINDING.xlsm |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 44'094 bytes |
| First seen: | 2021-12-23 08:08:38 UTC |
| Last seen: | Never |
| File type: |  xlsm |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 768:Kvr2EvMssnb+BIJYfTH+niSpMvDHEk/v+nWbFFiKk/fBqtLzJnRH+n8YO+GBJA:Kv/vMTb+G1B8TEk/v+AFFi3/5qt1nE8o |
| TLSH | T18F13E02CCF8A4E58C94B8874D83EA9D1C455A9B183419F5B0E29E20F1485CF9D72BDAF |
| Reporter |  abuse_ch |
| Tags: | QuasarRAT RAT xlsm |
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: 13 |
OLE dump
MalwareBazaar was able to identify 9 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 586 bytes | PROJECT |
| A2 | 119 bytes | PROJECTwm |
| A3 | 173 bytes | VBA/Learn more |
| A4 | 168 bytes | VBA/Start |
| A5 | 1070 bytes | VBA/ThisWorkbook |
| A6 | 171 bytes | VBA/Workbook |
| A7 | 7 bytes | VBA/_VBA_PROJECT |
| A8 | 270 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 | Workbook_Activate | Runs when the Excel Workbook is opened |
| IOC | Ijmjtxt.bat | Executable file name |
| Suspicious | Open | May open a file |
| Suspicious | Output | May write to a file (if combined with Open) |
| Suspicious | Shell | May run an executable file or a system command |
| Suspicious | StrReverse | 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 :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IN10011520134 WAVE ARMATURE WINDING.xlsm
Verdict:
No threats detected
Analysis date:
2021-12-23 08:10:22 UTC
Tags:
macros macros-on-open
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.ms-excel.sheet.macroEnabled.12
Has a screenshot:
False
Contains macros:
True
Detection:
RDPWrap
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
DNS request
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Document image
Image:
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
cmd macros macros-on-open powershell
Result
Verdict:
MALICIOUS
Link:
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
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...
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
External Relationship Element
Document contains an externally hosted relationship, which fetches further content.
Result
Threat name:
AveMaria UACMe
Detection:
malicious
Classification:
phis.bank.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Contains functionality to inject threads in other processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal e-mail passwords
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Document contains an embedded VBA macro which may execute processes
Document contains VBA stomped code (only p-code) potentially bypassing AV detection
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Encrypted powershell cmdline option found
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious encrypted Powershell command line found
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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: Microsoft Office Product Spawning Windows Shell
Sigma detected: Powershell Defender Exclusion
Sigma detected: Powershell Used To Disable Windows Defender AV Security Monitoring
Sigma detected: Suspicious Encoded PowerShell Command Line
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Threat name:
Document-Excel.Trojan.Valyria
Status:
Malicious
First seen:
2021-12-23 08:09:08 UTC
File Type:
Document
Extracted files:
50
AV detection:
15 of 43 (34.88%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
warzonerat
Score:
10/10
Tags:
family:warzonerat infostealer macro rat
Behaviour
Checks processor information in registry
Enumerates system info in registry
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Nirsoft
Warzone RAT Payload
Process spawned unexpected child process
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
jerenyankipong.duckdns.org:5200
Dropper Extraction:
http://hata.co.za/iuy/JOKS.scr
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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
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