MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5742fd195588b7a63f141d1881468123c63eb56579a800537f5b4693d8ab5e6f. 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


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5742fd195588b7a63f141d1881468123c63eb56579a800537f5b4693d8ab5e6f
SHA3-384 hash: 7861705c7c8dc8d0fae8459952434afbc32b4613e12383e314749c055b57639ba1125d4e4e9cdb8eb33924e61733a08a
SHA1 hash: 58ce93422e5464b219bfd06306caa6acb0c2b7fd
MD5 hash: eb62dc8fce0b5428ed16937d6693d438
humanhash: eleven-football-oxygen-princess
File name:shipping.doc
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:21'136 bytes
First seen:2022-08-15 14:19:56 UTC
Last seen:Never
File type:Word file doc
MIME type:application/octet-stream
ssdeep 384:RL+4GPFxcGDPEZ5QHKLd7trq0NytzdBUKCq+lHwEah/kTO:RiFPFqGDPcKHOh8zdBUKCq+lHwEa+TO
TLSH T19192663DF28B8F9CCB47D294110A3F861665F94C93C984C2B7BCFB386A5595BD722520
Reporter TeamDreier
Tags:CVE-2017-11882 doc SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
shipping.doc
Verdict:
Malicious activity
Analysis date:
2022-08-15 15:24:37 UTC
Tags:
trojan opendir exploit CVE-2017-11882 loader evasion snake
Link:
https://app.any.run/tasks/7e5a639c-04d8-4975-a0f2-832e733aed94

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
SecuriteInfo.com.Spam-473.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27333.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26244.RtfHeur.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.EvilRTF.CVE-2017-0199-Obfus.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Sending a custom TCP request
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/5742fd195588b7a63f141d1881468123c63eb56579a800537f5b4693d8ab5e6f/results/dashboard
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
javascript
Link:
https://www.filescan.io/uploads/62fa56a0e456f39ac94c6a19/reports/02521624-2fa8-48ae-9ea1-c7ad682cdfdb/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051640
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the user root directory
Initial sample is an obfuscated RTF file
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Office equation editor drops PE 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: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 684151 Sample: shipping.doc Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 42 Initial sample is an obfuscated RTF file 2->42 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 16 other signatures 2->48 7 EQNEDT32.EXE 12 2->7         started        12 WINWORD.EXE 291 21 2->12         started        process3 dnsIp4 40 23.95.122.90, 49171, 80 AS-COLOCROSSINGUS United States 7->40 26 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 7->26 dropped 28 C:\Users\Public\vbc.exe, PE32 7->28 dropped 56 Office equation editor establishes network connection 7->56 58 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->58 14 vbc.exe 1 8 7->14         started        30 ~WRF{9FE05F18-154F...4-6DD46CA4151F}.tmp, Composite 12->30 dropped file5 signatures6 process7 file8 32 C:\Users\user\AppData\...\BdWstqSkOvIi.exe, PE32 14->32 dropped 34 C:\Users\user\AppData\Local\...\tmp3616.tmp, XML 14->34 dropped 60 May check the online IP address of the machine 14->60 62 Machine Learning detection for dropped file 14->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 14->64 66 2 other signatures 14->66 18 vbc.exe 12 14->18         started        22 powershell.exe 6 14->22         started        24 schtasks.exe 14->24         started        signatures9 process10 dnsIp11 36 checkip.dyndns.com 132.226.247.73, 49172, 80 UTMEMUS United States 18->36 38 checkip.dyndns.org 18->38 50 Tries to steal Mail credentials (via file / registry access) 18->50 52 Tries to harvest and steal ftp login credentials 18->52 54 Tries to harvest and steal browser information (history, passwords, etc) 18->54 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5742fd195588b7a63f141d1881468123c63eb56579a800537f5b4693d8ab5e6f/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2022-08-15 14:20:06 UTC
File Type:
Document
Extracted files:
5
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k5bp2gkvrc32mpyudumicrubepdd5nlfpguaau37lndjhwfllzxq._file
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Link:
https://tria.ge/reports/220815-stmc3acddr/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
Looks up external IP address via web service
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
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Snake Keylogger
Snake Keylogger payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
Link:
https://yomi.yoroi.company/submissions/5742fd195588b7a63f141d1881468123c63eb56579a800537f5b4693d8ab5e6f

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_RTF_Header_Anomaly_RID2F7F
Create hunting rule
Author:Florian Roth
Description:Detects malformed RTF header often used to trick mechanisms that check for a full RTF header
Reference:https://twitter.com/ItsReallyNick/status/975705759618158593

File information

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

Web download

SnakeKeylogger

Word file doc 5742fd195588b7a63f141d1881468123c63eb56579a800537f5b4693d8ab5e6f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2273000/
  
Delivery method
Distributed via web download

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