MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2672e6fd55b129125a19c7837943c0844c03ec02dcf165af183f9e4df4dccbc. 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: 9


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: c2672e6fd55b129125a19c7837943c0844c03ec02dcf165af183f9e4df4dccbc
SHA3-384 hash: 50d346d600d4fbc6386485a16fb577a2efc3288f9eb63e392c64c0d7b6cead86a858008e17b2be4eded60139c083b367
SHA1 hash: d39323be0e24ee5b72b798e77913509321dcd805
MD5 hash: 6903940ad6060424129a81364b2e2e97
humanhash: utah-winter-steak-mississippi
File name:7845120000.xlsm
Download: download sample
Signature SnakeKeylogger
File size:104'605 bytes
First seen:2022-02-08 17:09:40 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:iZOKZu86S3Roy9uFwZlsaFPOHYonHBxqPZJyD:icYuS/IwZltFPgYonHBxqPZc
TLSH T1D3A31295366E667FE28FCD3D441A330FEB91054299066CAA0DADB54F785C8E30702E9F
Reporter abuse_ch
Tags:SnakeKeylogger xlsm


Avatar
abuse_ch
SnakeKeylogger payload URLs:
http://3.112.243.28/net/Ugrfa.bat
http://3.112.243.28/net/Ugrfa.log

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 IDSection sizeSection name
A1535 bytesPROJECT
A289 bytesPROJECTwm
A3169 bytesVBA/Sheet1
A4335 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_OpenRuns when the Excel Workbook is opened
IOC3.112.243.28IPv4 address
IOCcertutil.exeExecutable file name
IOCUgrfa.batExecutable file name
IOCOpcbuyjhg.exeExecutable 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 :
172
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
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Creating a process from a recently created file
Running batch commands
Searching for the window
DNS request
Creating a window
Running batch commands by exploiting the app vulnerability
Sending an HTTP GET request to an infection source
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Payload URLs
URL
File name
http://3.112.243.28/net/Ugrfa.bat
ThisWorkbook
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
certutil certutil.exe cmd macros macros-on-open
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
0%
Result
Verdict:
MALICIOUS
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
Behaviour
Behavior Graph:
n/a
Threat name:
Script-Macro.Downloader.Powdow
Status:
Malicious
First seen:
2022-02-08 17:10:14 UTC
File Type:
Document
Extracted files:
28
AV detection:
15 of 27 (55.56%)
Threat level:
  3/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger keylogger macro persistence 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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Process spawned unexpected child process
Snake Keylogger
Snake Keylogger Payload
Malware family:
Phoenix
Verdict:
Malicious
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value

File information


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

Comments