MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b098af90111bbf857fe2e5f615e0abfccc2409c74db981096a5a5020778d691e. 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: 11


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: b098af90111bbf857fe2e5f615e0abfccc2409c74db981096a5a5020778d691e
SHA3-384 hash: 272ebf13159290b510f44e65c33225861787fa3b7b5aca65603a7095fce763a46ae1d27f5b1445a59618f2a8386c3d07
SHA1 hash: 5fcf68528a41687c3dc3a814ee1bfa3deb924e35
MD5 hash: 01177a296864371c4d21f4552a209513
humanhash: coffee-connecticut-harry-sodium
File name:BLF_001307855100008.xlsm
Download: download sample
Signature SnakeKeylogger
File size:399'220 bytes
First seen:2021-10-11 13:29:16 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 12288:mjOwMMJqQ7kM6YbK7AdckNNT4NouWhaZKxLSWV:mjgMJ/7kM6Yu74c4eNd/Kxm4
TLSH T1B48412DACF664482C38BA2709349D452C0297801A54DEBEF2B655B0D89C7AD4D36FFCE
Reporter abuse_ch
Tags:SnakeKeylogger xlsm


Avatar
abuse_ch
Payload URL:
http://18.195.143.183/6/7/BLF_001307855100008.exe

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: 11
OLE dump

MalwareBazaar was able to identify 19 sections in this file using oledump:

Section IDSection sizeSection name
A11100 bytesPROJECT
A2335 bytesPROJECTwm
A3173 bytesVBA/Learn more
A4172 bytesVBA/Sheet10
A5178 bytesVBA/Sheet11
A6169 bytesVBA/Sheet2
A7170 bytesVBA/Sheet3
A8171 bytesVBA/Sheet4
A9173 bytesVBA/Sheet5
A10180 bytesVBA/Sheet6
A11171 bytesVBA/Sheet7
A12177 bytesVBA/Sheet8
A13173 bytesVBA/Sheet9
A14168 bytesVBA/Start
A151147 bytesVBA/ThisWorkbook
A16171 bytesVBA/Workbook
A177 bytesVBA/_VBA_PROJECT
A18452 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
IOCershell.exeExecutable file name
IOCTjioaebdctjqppgblugzExecutable file name
SuspiciousOpenMay open a file
SuspiciousOutputMay write to a file (if combined with Open)
SuspiciousShellMay run an executable file or a system command
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 :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BLF_001307855100008.xlsm
Verdict:
No threats detected
Analysis date:
2021-10-11 17:36:24 UTC
Tags:
macros macros-on-open

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd macros macros-on-open powershell
Result
Threat name:
Snake Keylogger
Detection:
malicious
Classification:
bank.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
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 exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 500341 Sample: BLF_001307855100008.xlsm Startdate: 11/10/2021 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 10 other signatures 2->50 9 EXCEL.EXE 54 46 2->9         started        process3 file4 30 C:\Users\user\...\Tjioaebdctjqppgblugzdq.bat, ASCII 9->30 dropped 32 C:\Users\user\...\~$BLF_001307855100008.xlsm, data 9->32 dropped 34 C:\Users\...\BLF_001307855100008.xlsm (copy), data 9->34 dropped 68 Document exploit detected (creates forbidden files) 9->68 13 cmd.exe 9->13         started        signatures5 process6 signatures7 70 Malicious encrypted Powershell command line found 13->70 72 Encrypted powershell cmdline option found 13->72 16 powershell.exe 12 7 13->16         started        process8 dnsIp9 36 18.195.143.183, 49165, 80 AMAZON-02US United States 16->36 28 C:\Users\user\AppData\...\Cnmgfrnpquy.exe, PE32 16->28 dropped 52 Powershell drops PE file 16->52 21 Cnmgfrnpquy.exe 3 16->21         started        file10 signatures11 process12 signatures13 54 Multi AV Scanner detection for dropped file 21->54 56 May check the online IP address of the machine 21->56 58 Machine Learning detection for dropped file 21->58 60 2 other signatures 21->60 24 Cnmgfrnpquy.exe 12 21->24         started        process14 dnsIp15 38 checkip.dyndns.org 24->38 40 checkip.dyndns.com 158.101.44.242, 49166, 80 ORACLE-BMC-31898US United States 24->40 42 freegeoip.app 104.21.19.200, 443, 49167 CLOUDFLARENETUS United States 24->42 62 Tries to steal Mail credentials (via file access) 24->62 64 Tries to harvest and steal ftp login credentials 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 signatures16
Threat name:
Script-Macro.Downloader.Heuristic
Status:
Malicious
First seen:
2021-10-11 13:30:08 UTC
AV detection:
3 of 45 (6.67%)
Threat level:
  2/5
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
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
Program crash
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
Malware Config
Dropper Extraction:
http://18.195.143.183/6/7/BLF_001307855100008.exe
Malware family:
Phoenix
Verdict:
Malicious
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.

Comments