MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb30058013faed163ca721e3818ae8c1429adeb96b74e53db2640cf27432da83. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb30058013faed163ca721e3818ae8c1429adeb96b74e53db2640cf27432da83
SHA3-384 hash: 008b54cec36593ad219ee739cb95a727f1c3353796b62eac15e56bce9a10c15a01a8ef3f1f2baf6d28a575108750abf1
SHA1 hash: 9d14e0e030f1af92a168662ef2556c99371fd256
MD5 hash: 6601211ba6533afdf6a2414a90b1f374
humanhash: juliet-lithium-leopard-earth
File name:6601211ba6533afdf6a2414a90b1f374.rtf
Download: download sample
Signature RedLineStealer
Create hunting rule
File size:2'546'770 bytes
First seen:2020-12-22 12:23:00 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 12288:2yXXVTAVTAVTAVTAVTAVTAVTAVTAVTAVTAVTAVTAVTAVTAVTAVTAVTAVTAVTAVTT:H666666666666666666666666M0TU
TLSH 09C502EC69971098C3AE1E1096197841323BFA7769E985A9F1CFF7BD276F080F711812
Reporter abuse_ch
Tags:CVE-2017-11882 RedLineStealer rtf

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 dump

Intelligence

File Origin
# of uploads :
1
# of downloads :
331
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6601211ba6533afdf6a2414a90b1f374.rtf
Verdict:
Malicious activity
Analysis date:
2020-12-22 12:26:15 UTC
Tags:
ole-embedded exploit CVE-2017-11882 rat redline trojan evasion stealer
Link:
https://app.any.run/tasks/1b90cf80-8f3d-4bb6-a72a-6c44caffe0ac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
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.EQPentaverateTheKernelWithHisWeeBeadyEyes.20200616.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
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request
Sending a custom TCP request by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/cb30058013faed163ca721e3818ae8c1429adeb96b74e53db2640cf27432da83/results/dashboard
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/568457
Signature
Connects to a URL shortener service
Drops PE files to the user root directory
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
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
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb30058013faed163ca721e3818ae8c1429adeb96b74e53db2640cf27432da83/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-12-22 12:23:08 UTC
AV detection:
11 of 29 (37.93%)
Threat level:
  5/5
Result
Malware family:
redline
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:redline discovery infostealer keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201222-jcrcsg6e82/
Behaviour
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
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
AgentTesla Payload
AgentTesla
RedLine
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/cb30058013faed163ca721e3818ae8c1429adeb96b74e53db2640cf27432da83

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
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.
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Web download

RedLineStealer

Rich Text Format (RTF) rtf cb30058013faed163ca721e3818ae8c1429adeb96b74e53db2640cf27432da83

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/938068/
  
Delivery method
Distributed via web download

Comments