MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef13b4403d966a6da0063c33e680a0215c7d238b5e573c57585e846398b1e21f. 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: 11


Maldoc score: 9


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: ef13b4403d966a6da0063c33e680a0215c7d238b5e573c57585e846398b1e21f
SHA3-384 hash: a9c4a137435e6a3bb6dde4f0abf2400f2b744a8897385c53f6295a331843c042143cba76be6f90bd8447c77d1e9b2ae1
SHA1 hash: af6cb1e3b1b6fc6022f1afd05a647dd84b68fe0d
MD5 hash: 5283a53467bb9cc58e9e6f410b30f69a
humanhash: one-foxtrot-venus-double
File name:Purchase order.xlsm
Download: download sample
Signature SnakeKeylogger
File size:43'459 bytes
First seen:2022-03-03 07:52:37 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 768:ivLuEvkssnL+BIJYfTH+niSpMvDHvvv+nWrFFiKk/fRqtzD5/Rf+n04sOBX:iv3vkTL+G1BETvvv+QFFi3/pqlt/M0js
TLSH T1F613E12CCFFA4E64CA4B9077591EB991815E9A819281DF7F0E2CD24E1485CC1132FDAF
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 9 sections in this file using oledump:

Section IDSection sizeSection name
A1590 bytesPROJECT
A2119 bytesPROJECTwm
A3173 bytesVBA/Learn more
A4168 bytesVBA/Start
A5404 bytesVBA/ThisWorkbook
A6171 bytesVBA/Workbook
A77 bytesVBA/_VBA_PROJECT
A8270 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_OpenRuns when the Excel Workbook is opened
IOCcertutil.exeExecutable file name
IOCLqohpshnd.exeExecutable file name
IOCRqmmcqpluzlffudaxshiExecutable file name
SuspiciousShellMay run an executable file or a system command
SuspiciousvbHideMay 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 :
177
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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Creating a file
Creating a process from a recently created file
Running batch commands
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
https://cdn.discordapp.com/attachments/948578823983726726/948721348170121296/Lqohpshnd.exe
ThisWorkbook
Document image
Document image
Label:
Malicious
Suspicious Score:
9.6/10
Score Malicious:
97%
Score Benign:
3%
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
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.
External Relationship Element
Document contains an externally hosted relationship, which fetches further content.
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 contains an embedded VBA with hexadecimal encoded strings
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 sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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 Costura Assembly Loader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 582211 Sample: Purchase order.xlsm Startdate: 03/03/2022 Architecture: WINDOWS Score: 100 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->63 65 12 other signatures 2->65 9 EXCEL.EXE 54 20 2->9         started        process3 file4 29 C:\Users\user\Desktop\~$Purchase order.xlsm, data 9->29 dropped 12 cmd.exe 9->12         started        process5 process6 14 Rqmmcqpluzlffudaxshi.exe.exe 13 3 12->14         started        19 certutil.exe 4 14 12->19         started        dnsIp7 31 C:\Users\user\AppData\Roaming\...\Fqglt.exe, PE32 14->31 dropped 49 Creates an undocumented autostart registry key 14->49 51 May check the online IP address of the machine 14->51 53 Injects a PE file into a foreign processes 14->53 21 Rqmmcqpluzlffudaxshi.exe.exe 14->21         started        25 cmd.exe 14->25         started        47 cdn.discordapp.com 162.159.129.233, 443, 49165, 49166 CLOUDFLARENETUS United States 19->47 33 C:\Users\...\Rqmmcqpluzlffudaxshi.exe.exe, PE32 19->33 dropped 35 C:\Users\...\F789FA44811215791C97A35B8A998768, data 19->35 dropped 37 C:\Users\user\AppData\...\Lqohpshnd[1].exe, PE32 19->37 dropped 39 C:\Users\...\F789FA44811215791C97A35B8A998768, PE32 19->39 dropped 55 System process connects to network (likely due to code injection or exploit) 19->55 57 Drops PE files to the document folder of the user 19->57 file8 signatures9 process10 dnsIp11 41 checkip.dyndns.org 21->41 43 checkip.dyndns.com 193.122.6.168, 49168, 80 ORACLE-BMC-31898US United States 21->43 45 freegeoip.app 188.114.97.7, 443, 49169 CLOUDFLARENETUS European Union 21->45 67 Tries to steal Mail credentials (via file / registry access) 21->67 69 Tries to harvest and steal ftp login credentials 21->69 71 Tries to harvest and steal browser information (history, passwords, etc) 21->71 27 timeout.exe 25->27         started        signatures12 process13
Threat name:
Script-Macro.Trojan.Heuristic
Status:
Malicious
First seen:
2022-03-03 07:53:12 UTC
File Type:
Document
Extracted files:
50
AV detection:
5 of 43 (11.63%)
Threat level:
  2/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger macro persistence spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
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
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Checks computer location settings
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
Downloads MZ/PE file
Executes dropped EXE
Modifies WinLogon for persistence
Process spawned unexpected child process
Snake Keylogger
Snake Keylogger Payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot2106150449:AAHIwsHmr23aQkTnyeD_XA0cTAX8yk2mXFM/sendMessage?chat_id=1990813371
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