MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f94fc16fc1729c7817f052cd6aaf7d1638aba942ef380b35a0003ec1f146439. 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


RedLineStealer


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f94fc16fc1729c7817f052cd6aaf7d1638aba942ef380b35a0003ec1f146439
SHA3-384 hash: 34096224a782f40f1392927576e4509841ca953a7de4621a128974ead82e931b2ea1c17fa90cc082b512c2d3466041fa
SHA1 hash: d041f7d11a1da3a6d2db81cb84cce61c2c4e1281
MD5 hash: 0675edf4c9212b83a850c75398f648e8
humanhash: ceiling-mississippi-cold-twenty
File name:monthly financial statement.doc
Download: download sample
Signature RedLineStealer
Create hunting rule
File size:1'825'846 bytes
First seen:2021-01-17 13:47:14 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:2ssssssssssssssssssssssssdylRr15n:M6v
TLSH D985E0F801908885DFDB5E432D45B0D41A93F4A3D8D64255F7FEE379B3AA3B480BA864
Reporter abuse_ch
Tags:doc RedLineStealer


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: euve35436.serverloft.eu
Sending IP: 85.25.204.185
From: Pete Richmond <Pete.Richmond@senokairleisure.com>
Reply-To: Pete.Richmond@senokairleisure.com
Subject: The monthly financial statement
Attachment: monthly financial statement.zip (contains "monthly financial statement.doc")

Intelligence

File Origin
# of uploads :
1
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
monthly financial statement.doc
Verdict:
Malicious activity
Analysis date:
2021-01-17 13:49:43 UTC
Tags:
ole-embedded generated-doc exploit CVE-2017-11882 trojan stealer vidar loader evasion
Link:
https://app.any.run/tasks/ccaf188e-593a-496a-a2a2-fdbbe1445fd7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.DOCXSTRGOOD.RTFSTR._E_R_N_E_L_3_2_OADLIBRARYW_S_ETPROCADDRESS_.200622.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
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/5f94fc16fc1729c7817f052cd6aaf7d1638aba942ef380b35a0003ec1f146439/results/dashboard
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/583163
Signature
Antivirus detection for URL or domain
Connects to a URL shortener service
Drops PE files to the user root directory
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
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 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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 340620 Sample: monthly financial statement.doc Startdate: 17/01/2021 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Antivirus detection for URL or domain 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 13 other signatures 2->60 8 EQNEDT32.EXE 13 2->8         started        13 WINWORD.EXE 292 23 2->13         started        process3 dnsIp4 36 bit.ly 67.199.248.10, 49165, 80 GOOGLE-PRIVATE-CLOUDUS United States 8->36 38 bitbucket.org 104.192.141.1, 443, 49166 AMAZON-02US United States 8->38 40 2 other IPs or domains 8->40 32 C:\Users\user\AppData\...\attached[1].txt, PE32 8->32 dropped 34 C:\Users\Public\69577.exe, PE32 8->34 dropped 62 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->62 15 69577.exe 68 8->15         started        file5 signatures6 process7 dnsIp8 42 raytracingengine.com 185.99.133.4, 49168, 80 ZAPPIE-HOST-ASZappieHostGB Belarus 15->42 44 ip-api.com 208.95.112.1, 49169, 80 TUT-ASUS United States 15->44 24 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 15->24 dropped 26 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 15->26 dropped 28 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 15->28 dropped 30 9 other files (none is malicious) 15->30 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Tries to steal Instant Messenger accounts or passwords 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 3 other signatures 15->52 20 cmd.exe 15->20         started        file9 signatures10 process11 process12 22 taskkill.exe 20->22         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f94fc16fc1729c7817f052cd6aaf7d1638aba942ef380b35a0003ec1f146439/
Threat name:
Document-Office.Exploit.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-01-17 10:02:21 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l6kpyfx4c4u4pal7auwnnkxx2fryvouuf3zybm22aab6yhyumq4q._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery spyware stealer upx
Link:
https://tria.ge/reports/210117-n7tc3vn22s/
Behaviour
Checks processor information in registry
Kills process with taskkill
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
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
JavaScript code in executable
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
UPX packed file
Vidar
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Bloodhound
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5f94fc16fc1729c7817f052cd6aaf7d1638aba942ef380b35a0003ec1f146439

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

RedLineStealer

zip ea3bd6c66ba27adecedde7331ff2f315f1af23d40f1014835e4ff1c6ea382a56

RedLineStealer

Word file doc 5f94fc16fc1729c7817f052cd6aaf7d1638aba942ef380b35a0003ec1f146439

(this sample)

  
Dropped by
MD5 6610bed2fe6fa1b4e6691f39b834879e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ea3bd6c66ba27adecedde7331ff2f315f1af23d40f1014835e4ff1c6ea382a56

Comments