MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 63ff4ab6e291cbbee220b4d184856258529935445474fddbbb94fa9382fde7da. 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
SnakeKeylogger
Vendor detections: 10
Maldoc score: 13
| SHA256 hash: | 63ff4ab6e291cbbee220b4d184856258529935445474fddbbb94fa9382fde7da |
|---|---|
| SHA3-384 hash: | 01fa932b5ca992aadee0a0efc7afa7ebfd19eff23baaf9906927de505fb1097a87aed86747e993e903c270b73401eb4a |
| SHA1 hash: | 83f8eedc1121b76d1b9ab5f6b6dbe55b74ac3b69 |
| MD5 hash: | 4a5e4dd69269a526967cfb552edad745 |
| humanhash: | iowa-nineteen-romeo-alpha |
| File name: | publications0001.xlsm |
| Download: | download sample |
| Signature | SnakeKeylogger |
| File size: | 105'405 bytes |
| First seen: | 2021-10-28 15:25:37 UTC |
| Last seen: | 2021-10-28 16:24:20 UTC |
| File type: |  xlsm |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 3072:0BOKZu86S3Roy9uFwZlsaFPOHYonHBxqPZPl:0UYuS/IwZltFPgYonHBxqPZ9 |
| TLSH | T126A3126636AF653FE28FCD39441A330FEB950942A8467CA65D99714F786C4E30303E9E |
| Reporter |  abuse_ch |
| Tags: | SnakeKeylogger 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 8 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 531 bytes | PROJECT |
| A2 | 89 bytes | PROJECTwm |
| A3 | 169 bytes | VBA/Sheet1 |
| A4 | 1160 bytes | VBA/ThisWorkbook |
| A5 | 171 bytes | VBA/Workbook |
| A6 | 7 bytes | VBA/_VBA_PROJECT |
| A7 | 228 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 | Bkcbyhanppaqrfw.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 :
2
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/vnd.ms-excel.sheet.macroEnabled.12
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Document image
Image:
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 Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
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.
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
Clipboard Hijacker Snake Keylogger
Detection:
malicious
Classification:
bank.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary or sample is protected by dotNetProtector
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious encrypted Powershell command line found
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
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)
Powershell drops PE file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Suspicious Encoded PowerShell Command Line
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Clipboard Hijacker
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
Document-Excel.Trojan.GenScript
Status:
Malicious
First seen:
2021-10-28 15:06:23 UTC
AV detection:
8 of 27 (29.63%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
snakekeylogger
Score:
10/10
Tags:
family:snakekeylogger collection keylogger macro persistence spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Deletes itself
Drops startup file
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Process spawned unexpected child process
Snake Keylogger
Malware Config
Dropper Extraction:
http://coachcarmenwilliams.com/15A87bomDlYqpH20367lj.exe
Malware family:
Phoenix
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
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
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