MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 347fbc30328ce8541c29cb8a8678c516a0894643c4531ab2b8f6ab8da2d8f1f3. 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: 14

Intelligence 14 IOCs YARA 2 File information Comments 1

SHA256 hash:	347fbc30328ce8541c29cb8a8678c516a0894643c4531ab2b8f6ab8da2d8f1f3
SHA3-384 hash:	c95be5566581dbffb3dfbf85ef08ec8c745c7956408537866e5a5443b0420c90e5f348a77830684c2cafb4cb12411ab7
SHA1 hash:	e7a4cea79458573c270af79f17fd614681ddfacc
MD5 hash:	daea4fd7fe83eb45d3d40c8ba0aef2dd
humanhash:	sierra-happy-beer-bacon
File name:	daea4fd7fe83eb45d3d40c8ba0aef2dd
Download:	download sample
Signature	SnakeKeylogger Create hunting rule
File size:	72'995 bytes
First seen:	2024-03-21 04:10:20 UTC
Last seen:	2024-03-21 05:23:59 UTC
File type:	rtf
MIME type:	text/rtf
ssdeep	1536:7rseiyMQLzxA5coxgtIlCZdtd8lEiSZMh0ynuy+p:nse6yZdXVih0yuyw
TLSH	T16163142EE70F0925DF55E6BB025A4B4A09FCB33D738540B139BC977437AD81E4A22978
Reporter	zbetcheckin
Tags:	CVE-2017-11882 rtf SnakeKeylogger

Intelligence

File Origin

# of uploads :

# of downloads :

145

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

347fbc30328ce8541c29cb8a8678c516a0894643c4531ab2b8f6ab8da2d8f1f3.rtf

Verdict:

Malicious activity

Analysis date:

2024-03-21 04:11:46 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/88d7335e-c70a-417c-84d5-f44f5cd2af97

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Legit

File type:

application/rtf

Has a screenshot:

False

Contains macros:

False

Detection(s):

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Searching for synchronization primitives

Launching a process

Using the Windows Management Instrumentation requests

Creating a window

Sending an HTTP GET request

Creating a file in the %AppData% directory

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Changing an executable file

Creating a process with a hidden window

Launching a service

Possible injection to a system process

Connection attempt by exploiting the app vulnerability

Infecting executable files

Launching a file downloaded from the Internet

Creating a process from a recently created file

Result

Verdict:

Malicious

File Type:

RTF File

Link:

https://app.docguard.net/347fbc30328ce8541c29cb8a8678c516a0894643c4531ab2b8f6ab8da2d8f1f3/results/dashboard

Behaviour

BlacklistAPI detected

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

embedequation exploit shellcode

Link:

https://www.filescan.io/uploads/65fbb357757c624818b4a7a5/reports/87284e45-1ee1-401e-8b5a-7e4506dcee4b/overview

Verdict:

Malicious

Labled as:

CVE-2017-11882

Link:

https://www.hybrid-analysis.com/sample/347fbc30328ce8541c29cb8a8678c516a0894643c4531ab2b8f6ab8da2d8f1f3

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1412857

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Connects to a pastebin service (likely for C&C)

Document exploit detected (process start blacklist hit)

Installs new ROOT certificates

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Office equation editor establishes network connection

Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)

Shellcode detected

Sigma detected: EQNEDT32.EXE connecting to internet

Sigma detected: Equation Editor Network Connection

Sigma detected: File Dropped By EQNEDT32EXE

Sigma detected: Script Initiated Connection to Non-Local Network

Sigma detected: Suspicious Microsoft Office Child Process

Sigma detected: WScript or CScript Dropper

System process connects to network (likely due to code injection or exploit)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/347fbc30328ce8541c29cb8a8678c516a0894643c4531ab2b8f6ab8da2d8f1f3

Detection:

cve-2017-11882-shellcode

Link:

https://mwdb.cert.pl/sample/347fbc30328ce8541c29cb8a8678c516a0894643c4531ab2b8f6ab8da2d8f1f3/

Threat name:

Document-RTF.Exploit.CVE-2017-11882

Status:

Malicious

First seen:

2024-03-20 06:46:34 UTC

File Type:

Document

Extracted files:

AV detection:

15 of 24 (62.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=gr73ymbsrtufihbjzofim6gfc2qisrsdyrjrvmvy62vy3iwy6hzq._file

Result

Malware family:

snakekeylogger

Score:

10/10

Tags:

family:snakekeylogger collection keylogger persistence spyware stealer

Link:

https://tria.ge/reports/240321-erx5wscg5w/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Launches Equation Editor

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

outlook_office_path

outlook_win_path

Office loads VBA resources, possible macro or embedded object present

Enumerates physical storage devices

Drops file in Windows directory

Drops file in System32 directory

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Adds Run key to start application

Looks up external IP address via web service

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Blocklisted process makes network request

Snake Keylogger

Snake Keylogger payload

Malware family:

SnakeKeylogger

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/347fbc30328c/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Password Stealer

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/347fbc30328ce8541c29cb8a8678c516a0894643c4531ab2b8f6ab8da2d8f1f3

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:	INDICATOR_RTF_MalVer_Objects Create hunting rule
Author:	ditekSHen
Description:	Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.

Rule name:	SUSP_INDICATOR_RTF_MalVer_Objects Create hunting rule
Author:	ditekSHen
Description:	Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:	https://github.com/ditekshen/detection

File information

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

Web download

SnakeKeylogger

rtf 347fbc30328ce8541c29cb8a8678c516a0894643c4531ab2b8f6ab8da2d8f1f3

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2788173/

Comments

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zbet commented on 2024-03-21 04:10:21 UTC

url : hxxp://207.32.219.82/7050/snk/snkisanewthingswhichhelovesornotireallynotknowwhathelookingbutshesloved___alotwiththisnewthingswhathetoldme.doc