MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34bb7de68ae7f7ce9202f28f66c7b8b205bbaacb05d0ac565527f55117e04682. 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: 13


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 34bb7de68ae7f7ce9202f28f66c7b8b205bbaacb05d0ac565527f55117e04682
SHA3-384 hash: 14bd30943cfe423d1d6ade933a68fc6f2744f58b12ebe951c459c86a7f5e060c315db517aedc0e00b7ee45cbc9c0111d
SHA1 hash: 2859e2cb0dcd3100a32f8da04f751ba9f7e6fc21
MD5 hash: 9c4a5c1d8911a46ea1695d6f1a7c577a
humanhash: equal-fish-virginia-uncle
File name:29338258452.xlsm
Download: download sample
Signature SnakeKeylogger
File size:105'296 bytes
First seen:2022-01-13 12:53:48 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:RrOKZu86S3Roy9uFwZlsaFPOHYonHBxqPZAC:RqYuS/IwZltFPgYonHBxqPZn
TLSH T1A2A302D526BB65BBF28F8D38441E330BEBD1054199066CA60DEDB54F785C8E30742EAE
Reporter abuse_ch
Tags:SnakeKeylogger xlsm


Avatar
abuse_ch
SnakeKeylogger payload URLs:
https://srotoswinisubarnarekha.com/wp-content/29338258452.exe
https://srotoswinisubarnarekha.com/wp-content/Whecti.png

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 IDSection sizeSection name
A1531 bytesPROJECT
A289 bytesPROJECTwm
A3169 bytesVBA/Sheet1
A41072 bytesVBA/ThisWorkbook
A5171 bytesVBA/Workbook
A67 bytesVBA/_VBA_PROJECT
A7228 bytesVBA/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
AutoExecWorkbook_ActivateRuns when the Excel Workbook is opened
IOCPtznfxewpo.batExecutable file name
SuspiciousOpenMay open a file
SuspiciousOutputMay write to a file (if combined with Open)
SuspiciousShellMay run an executable file or a system command
SuspiciousStrReverseMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
29338258452.xlsm
Verdict:
Malicious activity
Analysis date:
2022-01-13 13:01:40 UTC
Tags:
macros macros-on-open trojan evasion snakekeylogger keylogger

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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Сreating synchronization primitives
Creating a file
Creating a process with a hidden window
Running batch commands by exploiting the app vulnerability
Launching a file downloaded from the Internet
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd excel.exe macros macros-on-open powershell replace.exe
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
0%
Result
Threat name:
Unknown
Detection:
malicious
Classification:
bank.troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious encrypted Powershell command line found
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)
Potential dropper URLs found in powershell memory
Powershell drops PE file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Suspicious Encoded PowerShell Command Line
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 552541 Sample: 29338258452.xlsm Startdate: 13/01/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 9 other signatures 2->48 9 EXCEL.EXE 76 18 2->9         started        process3 file4 34 C:\Users\user\Documents\Ptznfxewpo.bat, ASCII 9->34 dropped 36 C:\Users\user\Desktop\~$29338258452.xlsm, data 9->36 dropped 38 C:\Users\user\...\29338258452.xlsm (copy), Microsoft 9->38 dropped 58 Document exploit detected (creates forbidden files) 9->58 13 cmd.exe 9->13         started        signatures5 process6 signatures7 60 Malicious encrypted Powershell command line found 13->60 62 Encrypted powershell cmdline option found 13->62 16 powershell.exe 16 7 13->16         started        process8 dnsIp9 40 srotoswinisubarnarekha.com 104.21.47.72, 443, 49165, 49166 CLOUDFLARENETUS United States 16->40 32 C:\Users\user\AppData\...\Asxdbusgvlmpsvz.exe, PE32 16->32 dropped 50 Powershell drops PE file 16->50 21 Asxdbusgvlmpsvz.exe 1 16->21         started        file10 signatures11 process12 signatures13 52 Multi AV Scanner detection for dropped file 21->52 54 Machine Learning detection for dropped file 21->54 56 Encrypted powershell cmdline option found 21->56 24 powershell.exe 6 21->24         started        26 powershell.exe 7 21->26         started        28 powershell.exe 7 21->28         started        30 powershell.exe 21->30         started        process14
Threat name:
Document-Excel.Trojan.Valyria
Status:
Malicious
First seen:
2022-01-13 12:54:10 UTC
File Type:
Document
Extracted files:
28
AV detection:
14 of 41 (34.15%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger macro spyware stealer
Behaviour
Checks processor information in registry
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
Looks up external IP address via web service
Deletes itself
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
Snake Keylogger Payload
Malware Config
Dropper Extraction:
http://srotoswinisubarnarekha.com/wp-content/29338258452.exe
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

SnakeKeylogger

Excel file xlsm 34bb7de68ae7f7ce9202f28f66c7b8b205bbaacb05d0ac565527f55117e04682

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments