MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42f88f0f4e9b8b2d8810002fd9d3c4571839d4788a602a5d671320aecc48e99d. 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: 42f88f0f4e9b8b2d8810002fd9d3c4571839d4788a602a5d671320aecc48e99d
SHA3-384 hash: f75cea1cead5074fff5ade20b5481174907e47595a74aa6d77c833562f782b8c8da066adfcade9bcbdea32cf0183ec21
SHA1 hash: d47cf4432020176a883aa822a00d15820cfd246a
MD5 hash: edbf8faef4f32892cf6a35db07d4f225
humanhash: floor-cup-bacon-artist
File name:ORD005271444_0.doc
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:635'292 bytes
First seen:2021-02-05 16:05:30 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 12288:llGlGlGlGlGlGlGlGlGlGlGlGlGlGlGlGlGlGlGlGlGlGlGlGlKIVC1Q:lkkkkkkkkkkkkkkkkkkkkkkkkjC1Q
TLSH 8FD49EE4220916D6D7A28F966F0BB076FD27F09664E39458307FD67913BA6C8FE13102
Reporter abuse_ch
Tags:doc SnakeKeylogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: bizcloud-server.cehs.hokudai.ac.jp
Sending IP: 159.65.9.77
From: Mustafa Amer Ismail <consultant.qatar22@gmail.com>
Reply-To: consultant.qatar22@gmail.com
Subject: TENDER REQUIREMENTS
Attachment: ORD005271444_0.doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ORD005271444_0.doc
Verdict:
Malicious activity
Analysis date:
2021-02-05 16:09:45 UTC
Tags:
ole-embedded exploit CVE-2017-11882 evasion trojan
Link:
https://app.any.run/tasks/cc913543-f41d-4981-8257-43ca7134d810

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.FakeRTF-2.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.170830.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Sending an HTTP GET request
Sending a custom TCP request by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/42f88f0f4e9b8b2d8810002fd9d3c4571839d4788a602a5d671320aecc48e99d/results/dashboard
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/600400
Signature
Allocates memory in foreign processes
Connects to a URL shortener service
Drops PE files to the user root directory
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Program Location Process Starts
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)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected MultiObfuscated
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 349220 Sample: ORD005271444_0.doc Startdate: 05/02/2021 Architecture: WINDOWS Score: 100 52 Multi AV Scanner detection for domain / URL 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 14 other signatures 2->58 8 EQNEDT32.EXE 13 2->8         started        13 bms.exe 2->13         started        15 WINWORD.EXE 291 26 2->15         started        17 bms.exe 2->17         started        process3 dnsIp4 42 upload.sexy 217.160.0.183, 443, 49166 ONEANDONE-ASBrauerstrasse48DE Germany 8->42 44 bit.ly 67.199.248.10, 49165, 80 GOOGLE-PRIVATE-CLOUDUS United States 8->44 38 C:\Users\user\...\723728IMG_06052[1].pdf, PE32 8->38 dropped 40 C:\Users\Public\69577.exe, PE32 8->40 dropped 76 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->76 19 69577.exe 12 3 8->19         started        file5 signatures6 process7 file8 34 C:\Users\user\bms.exe, PE32 19->34 dropped 36 C:\Users\user\AppData\...\InstallUtil.exe, PE32 19->36 dropped 60 Multi AV Scanner detection for dropped file 19->60 62 Machine Learning detection for dropped file 19->62 64 Drops PE files to the user root directory 19->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->66 23 bms.exe 12 2 19->23         started        26 cmd.exe 19->26         started        signatures9 process10 signatures11 68 Multi AV Scanner detection for dropped file 23->68 70 Machine Learning detection for dropped file 23->70 72 Writes to foreign memory regions 23->72 74 3 other signatures 23->74 28 InstallUtil.exe 23->28         started        32 reg.exe 1 26->32         started        process12 dnsIp13 46 checkip.dyndns.org 28->46 48 checkip.dyndns.com 162.88.193.70, 49170, 49171, 80 DYNDNSUS United States 28->48 50 freegeoip.app 104.21.19.200, 443, 49172 CLOUDFLARENETUS United States 28->50 78 Tries to steal Mail credentials (via file access) 28->78 80 Tries to harvest and steal ftp login credentials 28->80 82 Tries to harvest and steal browser information (history, passwords, etc) 28->82 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42f88f0f4e9b8b2d8810002fd9d3c4571839d4788a602a5d671320aecc48e99d/
Threat name:
Win32.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2021-02-04 21:36:49 UTC
AV detection:
19 of 48 (39.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=il4i6d2otofs3caqaax5tu6ek4mdtvdyrjqcuxlhcmqk5tci5goq._file
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger keylogger persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210205-zd2h7tcmnn/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
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
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
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
Blocklisted process makes network request
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:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/42f88f0f4e9b8b2d8810002fd9d3c4571839d4788a602a5d671320aecc48e99d

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_EXPLOIT_CVE_2017_8759_2
Create hunting rule
Author:ditekSHen
Description:detects CVE-2017-8759 weaponized RTF documents.
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.

File information

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

Malspam

SnakeKeylogger

Word file doc 42f88f0f4e9b8b2d8810002fd9d3c4571839d4788a602a5d671320aecc48e99d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments