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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d472c895106cfebcb6eea8701416aed96b9770c256432ee7ee7a9b8a60a6d254. 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: 12


Maldoc score: 4


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: d472c895106cfebcb6eea8701416aed96b9770c256432ee7ee7a9b8a60a6d254
SHA3-384 hash: ce346a32e15a9e89c77ff5e0b915d3f8972e0e5338b3added5efaf6d595fb9d0ee96ce41c175d118943ce6e6d9da58dd
SHA1 hash: d55134055fb68cab73e32d6ed70d936399484a3d
MD5 hash: 15d90d6aa9eb2c890494884bdaff2e91
humanhash: sierra-william-montana-sierra
File name:Athnaton_ANP00224_Specification.xls
Download: download sample
Signature SnakeKeylogger
File size:961'536 bytes
First seen:2024-10-03 06:28:50 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 12288:xmzHJEjwWYSqD3DERnLRmF8Dl3PTKuG44G24rBedMPQr6eyCQSEB9:gcwHSqbARM8B3ugedV7Q
TLSH T1D515BE83EA5E4F61CD45427066F34B6A1724DC83D623472B12F437293AFBAD52982F8D
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika xls
Reporter JAMESWT_WT
Tags:172-245-123-9 SnakeKeylogger xls

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: 4
OLE dump

MalwareBazaar was able to identify 27 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
4114 bytesMBD00D836E5/CompObj
5244 bytesMBD00D836E5/DocumentSummaryInformation
690976 bytesMBD00D836E5/SummaryInformation
720 bytesMBD00D836E5/MBD0018D4CE/Ole
84 bytesMBD00D836E5/MBD0018D4CE/ObjInfo
9197671 bytesMBD00D836E5/MBD0018D4CE/Contents
10114 bytesMBD00D836E5/MBD00A75CAF/CompObj
11484 bytesMBD00D836E5/MBD00A75CAF/DocumentSummaryInformation
1219956 bytesMBD00D836E5/MBD00A75CAF/SummaryInformation
1395624 bytesMBD00D836E5/MBD00A75CAF/Workbook
1494 bytesMBD00D836E5/MBD00A75F6E/CompObj
1564 bytesMBD00D836E5/MBD00A75F6E/Ole
1621760 bytesMBD00D836E5/MBD00A75F6E/CONTENTS
17202295 bytesMBD00D836E5/Workbook
18402 bytesMBD00D836E6/Ole
19306800 bytesWorkbook
20529 bytes_VBA_PROJECT_CUR/PROJECT
21104 bytes_VBA_PROJECT_CUR/PROJECTwm
22977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
23977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
24977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
25985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
262644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
27553 bytes_VBA_PROJECT_CUR/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:

TypeKeywordDescription
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
383
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Athnaton_ANP00224_Specification.xls
Verdict:
No threats detected
Analysis date:
2024-10-03 06:30:36 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Powershell Snake
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a window
Searching for the window
Connection attempt to an infection source by exploiting the app vulnerability
Sending an HTTP GET request
Сreating synchronization primitives
Creating a process from a recently created file
Launching a process
Query of malicious DNS domain
Connection attempt by exploiting the app vulnerability
Sending a TCP request to an infection source by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
https://dealc.me/jH2Uht
Embedded Ole
Behaviour
SuspiciousRTF detected
Document image
Document image
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
macros
Gathering data
Result
Threat name:
Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Document exploit detected (process start blacklist hit)
Found malware configuration
Installs new ROOT certificates
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Microsoft Office drops suspicious files
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PowerShell case anomaly found
Powershell drops PE file
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: File With Uncommon Extension Created By An Office Application
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: Suspicious MSHTA Child Process
Suricata IDS alerts for network traffic
Suspicious command line found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1524729 Sample: Athnaton_ANP00224_Specifica... Startdate: 03/10/2024 Architecture: WINDOWS Score: 100 98 Suricata IDS alerts for network traffic 2->98 100 Found malware configuration 2->100 102 Malicious sample detected (through community Yara rule) 2->102 104 13 other signatures 2->104 10 EXCEL.EXE 59 31 2->10         started        process3 dnsIp4 66 172.245.123.9, 49162, 49164, 49165 AS-COLOCROSSINGUS United States 10->66 68 dealc.me 188.114.97.3, 443, 49161, 49163 CLOUDFLARENETUS European Union 10->68 62 Athnaton_ANP00224_...fication.xls (copy), Composite 10->62 dropped 64 C:\Users\...\netbooknewthingsforupdnow[1].hta, HTML 10->64 dropped 120 Microsoft Office drops suspicious files 10->120 15 mshta.exe 10 10->15         started        19 mshta.exe 10 10->19         started        file5 signatures6 process7 dnsIp8 80 dealc.me 15->80 84 Suspicious command line found 15->84 86 PowerShell case anomaly found 15->86 21 cmd.exe 15->21         started        82 dealc.me 19->82 24 cmd.exe 19->24         started        signatures9 process10 signatures11 106 Suspicious powershell command line found 21->106 108 PowerShell case anomaly found 21->108 26 powershell.exe 24 21->26         started        30 powershell.exe 24->30         started        process12 file13 56 C:\Users\user\AppData\Roaming\taskhostw.exe, PE32 26->56 dropped 58 C:\Users\user\AppData\...\taskhostw[1].exe, PE32 26->58 dropped 60 C:\Users\user\AppData\...\fg3zvqbp.cmdline, Unicode 26->60 dropped 110 Installs new ROOT certificates 26->110 112 Powershell drops PE file 26->112 32 taskhostw.exe 1 26->32         started        35 csc.exe 2 26->35         started        38 taskhostw.exe 30->38         started        40 csc.exe 30->40         started        signatures14 process15 file16 88 Multi AV Scanner detection for dropped file 32->88 90 Machine Learning detection for dropped file 32->90 92 Writes to foreign memory regions 32->92 96 2 other signatures 32->96 42 RegSvcs.exe 12 2 32->42         started        52 C:\Users\user\AppData\Local\...\fg3zvqbp.dll, PE32 35->52 dropped 46 cvtres.exe 35->46         started        94 Maps a DLL or memory area into another process 38->94 48 RegSvcs.exe 38->48         started        54 C:\Users\user\AppData\Local\...\nzzgp341.dll, PE32 40->54 dropped 50 cvtres.exe 40->50         started        signatures17 process18 dnsIp19 70 reallyfreegeoip.org 188.114.96.3, 443, 49172, 49173 CLOUDFLARENETUS European Union 42->70 72 checkip.dyndns.org 42->72 78 5 other IPs or domains 42->78 74 reallyfreegeoip.org 48->74 76 checkip.dyndns.org 48->76 114 Tries to steal Mail credentials (via file / registry access) 48->114 116 Tries to harvest and steal browser information (history, passwords, etc) 48->116 signatures20 118 Tries to detect the country of the analysis system (by using the IP) 74->118
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection defense_evasion discovery execution keylogger stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
AutoIT Executable
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Evasion via Device Credential Deployment
Process spawned unexpected child process
Snake Keylogger
Snake Keylogger payload
Malware Family:
n/a
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments