MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b372ad0ef5c34278fc6be947a53a555c4fe57a143c87510c77e44984cc099a2f. 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


AgentTesla


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b372ad0ef5c34278fc6be947a53a555c4fe57a143c87510c77e44984cc099a2f
SHA3-384 hash: f00923e89629a07ede5fee6acd1453bc6c2447460fa2b6a75d5f29464c6b22517072a1c396ad28bb625c86223eb56bb4
SHA1 hash: 867a98ffd8056ed92796a1304e227ed08451229d
MD5 hash: 4ed39046896059c2b1348188609d98f6
humanhash: jupiter-pip-carpet-cup
File name:SecuriteInfo.com.Exploit.CVE-2017-11882.123.140.13932
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'040'566 bytes
First seen:2023-11-06 13:19:10 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 24576:oOm284IVgCm2ajUeWS03GSe3SpHAS1NOXklEwB4hoFWsNou269i+rgMSj6N6QIS+:N
TLSH T1FB95BFF876047DE6266F576BDA96ACDC03B6262399CBA4CD80647BC305A3375FE02C05
Reporter SecuriteInfoCom
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
140
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.29030.RtfHeur.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Exploit.CVE-2017-11882.123.140.13932.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process with a hidden window
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/b372ad0ef5c34278fc6be947a53a555c4fe57a143c87510c77e44984cc099a2f/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit exploit
Link:
https://www.filescan.io/uploads/6548e8093b0c3d662606b122/reports/14147203-9889-46a7-bf63-fcd3aef44eb8/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/b372ad0ef5c34278fc6be947a53a555c4fe57a143c87510c77e44984cc099a2f
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1337629
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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)
Powershell uses Background Intelligent Transfer Service (BITS)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1337629 Sample: SecuriteInfo.com.Exploit.CV... Startdate: 06/11/2023 Architecture: WINDOWS Score: 100 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 Antivirus detection for URL or domain 2->92 94 14 other signatures 2->94 7 EQNEDT32.EXE 1 2->7         started        12 taskeng.exe 2->12         started        14 jWBthpd.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 68 91.92.252.100, 49162, 80 THEZONEBG Bulgaria 7->68 62 C:\Users\user\AppData\Roaming\TeST.exe, PE32 7->62 dropped 118 Office equation editor establishes network connection 7->118 120 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->120 18 TeST.exe 1 10 7->18         started        22 KKOoZKqQZvf.exe 12->22         started        122 Multi AV Scanner detection for dropped file 14->122 124 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->124 126 Machine Learning detection for dropped file 14->126 24 jWBthpd.exe 14->24         started        27 powershell.exe 14->27         started        29 schtasks.exe 14->29         started        31 jWBthpd.exe 14->31         started        64 ~WRF{C2008D60-976E...8-8AD6F3BF828F}.tmp, Composite 16->64 dropped 128 Adds a directory exclusion to Windows Defender 16->128 130 Injects a PE file into a foreign processes 16->130 33 jWBthpd.exe 16->33         started        35 powershell.exe 16->35         started        37 schtasks.exe 16->37         started        file5 signatures6 process7 dnsIp8 58 C:\Users\user\AppData\...\KKOoZKqQZvf.exe, PE32 18->58 dropped 60 C:\Users\user\AppData\Local\...\tmpFE4C.tmp, XML 18->60 dropped 96 Multi AV Scanner detection for dropped file 18->96 98 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->98 100 Machine Learning detection for dropped file 18->100 102 Uses schtasks.exe or at.exe to add and modify task schedules 18->102 39 TeST.exe 13 4 18->39         started        44 powershell.exe 4 18->44         started        46 schtasks.exe 18->46         started        56 3 other processes 18->56 104 Adds a directory exclusion to Windows Defender 22->104 106 Injects a PE file into a foreign processes 22->106 48 KKOoZKqQZvf.exe 22->48         started        50 powershell.exe 22->50         started        52 schtasks.exe 22->52         started        54 KKOoZKqQZvf.exe 22->54         started        76 173.231.16.77, 443, 49166 WEBNXUS United States 24->76 78 api4.ipify.org 24->78 80 api.ipify.org 24->80 108 Installs a global keyboard hook 24->108 110 Powershell uses Background Intelligent Transfer Service (BITS) 27->110 82 64.185.227.156, 443, 49167 WEBNXUS United States 33->82 84 api4.ipify.org 33->84 86 api.ipify.org 33->86 112 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 33->112 114 Tries to steal Mail credentials (via file / registry access) 33->114 116 Tries to harvest and steal browser information (history, passwords, etc) 33->116 file9 signatures10 process11 dnsIp12 70 api4.ipify.org 104.237.62.212, 443, 49164, 49165 WEBNXUS United States 39->70 72 api.ipify.org 39->72 66 C:\Users\user\AppData\Roaming\...\jWBthpd.exe, PE32 39->66 dropped 132 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 39->132 134 Tries to steal Mail credentials (via file / registry access) 39->134 136 Hides that the sample has been downloaded from the Internet (zone.identifier) 39->136 138 Powershell uses Background Intelligent Transfer Service (BITS) 44->138 74 api.ipify.org 48->74 140 Installs a global keyboard hook 48->140 file13 signatures14
Score:
94%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/b372ad0ef5c34278fc6be947a53a555c4fe57a143c87510c77e44984cc099a2f
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b372ad0ef5c34278fc6be947a53a555c4fe57a143c87510c77e44984cc099a2f/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-11-06 13:20:06 UTC
File Type:
Document
Extracted files:
3
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wnzk2dxvynbhr7dl5fd2kosvlrh6k6quhsdvcddx4reyjtajtixq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231106-qk3ycabc8z/
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
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
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
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
Downloads MZ/PE file
AgentTesla
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b372ad0ef5c3/report/overview.html
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/b372ad0ef5c34278fc6be947a53a555c4fe57a143c87510c77e44984cc099a2f

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.

Comments