MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cdd0917d044e094cf8f67787668dabaa1a8b3cdbb08859bcec8246df2e3fa6cb. 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: 13
Maldoc score: 9
| SHA256 hash: | cdd0917d044e094cf8f67787668dabaa1a8b3cdbb08859bcec8246df2e3fa6cb |
|---|---|
| SHA3-384 hash: | 9522cf50a1aa7b63d4482178156686295719b643d45601470283d305a8c3a71522366468ad1823ebcfffd0821f9672fe |
| SHA1 hash: | 92e4a22e137ad9dc03f8de5e5255ed5263a653d2 |
| MD5 hash: | 207a140cd2449b22eb30a967c694bfa1 |
| humanhash: | zebra-berlin-papa-minnesota |
| File name: | 74403100002.xlsm |
| Download: | download sample |
| Signature | SnakeKeylogger |
| File size: | 441'469 bytes |
| First seen: | 2022-04-12 12:31:29 UTC |
| Last seen: | 2022-04-14 06:38:33 UTC |
| File type: |  xlsm |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 12288:zkXQu7SHOCZhSTIS2dGpeWpqivD1YxR25O8UX:BwarmMSAGMID1R5OtX |
| TLSH | T19E942300C7D15E2AAD8450F7EF24D7C840E37092A58F2D492B6CB96D70DBC6E916E9EC |
| 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: 9 |
OLE dump
MalwareBazaar was able to identify 8 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 535 bytes | PROJECT |
| A2 | 89 bytes | PROJECTwm |
| A3 | 169 bytes | VBA/Sheet1 |
| A4 | 359 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_Open | Runs when the Excel Workbook is opened |
| IOC | 20.40.97.94 | IPv4 address |
| IOC | certutil.exe | Executable file name |
| IOC | 74403100002.bat | Executable file name |
| IOC | Wsxlzkfgtcyyhe.exe | Executable file name |
| Suspicious | Shell | May run an executable file or a system command |
| Suspicious | vbHide | May run an executable file or a system command |
| 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 :
320
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
74403100002.xlsm
Verdict:
Malicious activity
Analysis date:
2022-04-13 03:40:01 UTC
Tags:
macros macros-on-open loader evasion trojan snake
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:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Unauthorized injection to a recently created process
Running batch commands by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Payload URLs
URL
File name
http://20.40.97.94/itl/loader/uploads/74403100002.bat
ThisWorkbook
Document image
Image:
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
certutil certutil.exe cmd control.exe macros macros-on-open
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
0%
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.
IPv4 Dotted Quad URL
A URL was detected referencing a direct IP address, as opposed to a domain name.
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...
InQuest Machine Learning
An InQuest machine-learning model classified this macro as potentially malicious.
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Creates an undocumented autostart registry key
Document contains an embedded VBA macro which may execute processes
Document exploit detected (process start blacklist hit)
Drops PE files to the document folder of the user
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Suspicious Certutil Command
Sigma detected: Windows Shell File Write to Suspicious Folder
System process connects to network (likely due to code injection or exploit)
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 / registry access)
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
Document-Excel.Downloader.Donoff
Status:
Malicious
First seen:
2022-04-12 09:53:43 UTC
File Type:
Document
Extracted files:
26
AV detection:
19 of 41 (46.34%)
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 registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Process spawned unexpected child process
Malware family:
SnakeKeylogger
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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