MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50db4947b7b376e1dcf502a704bd87dbbc7a04959720f5c2b9390d171cef240c. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 50db4947b7b376e1dcf502a704bd87dbbc7a04959720f5c2b9390d171cef240c
SHA3-384 hash: f6412d59fafecefaa8ebdabb3929882eb34eec486a4896ae97259287fd19afb89bd6159f97419488a9a5ba021eb39bdd
SHA1 hash: f96ce3dfd7435fd8db601ee73d4c0d20fe0a52a4
MD5 hash: cfd4d9dd527b39666c60b568cba3c5a1
humanhash: black-jersey-sweet-failed
File name:nick.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:604'003 bytes
First seen:2024-07-15 12:57:59 UTC
Last seen:2024-07-15 13:19:44 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 6144:FGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuF:T9
TLSH T1E3D45C6DD34A02598F620337AB571E5142BDBB7EF38552A1306C537933DAC3CA2252BE
Reporter NDA0E
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
400
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5685ac180e320c50a6c4d70569a15d317f9b03baf71091b84f0915cec512869e.doc
Verdict:
Malicious activity
Analysis date:
2024-07-15 12:06:19 UTC
Tags:
cve-2017-0199 exploit
Link:
https://app.any.run/tasks/833d5e40-846e-46db-a70d-0200a7a17d0b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.29015.RtfHeur.Msg.UNOFFICIAL
Create hunting rule

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

MiscreantPunch.EvilRTF.CommonLure.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.RoomService.20230808.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66951cdb84e955866872b58fwin7simulatehigh_evasion
Tags:
Network Stealth Agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Launching a service
Query of malicious DNS domain
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/50db4947b7b376e1dcf502a704bd87dbbc7a04959720f5c2b9390d171cef240c/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/66951cf0b48bce055427a2e1/reports/0190b44f-7b19-48ea-ace5-189fa4950820/overview
Verdict:
Malicious
Labled as:
CVE-2018-0798
Link:
https://www.hybrid-analysis.com/sample/50db4947b7b376e1dcf502a704bd87dbbc7a04959720f5c2b9390d171cef240c
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=620bd642-5a0b-47b4-b1cc-624ee645a407
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1473545
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Drops PE files with a suspicious file extension
Found malware configuration
Injects a PE file into a foreign processes
Installs new ROOT certificates
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)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Equation Editor Network Connection
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Microsoft Office Child Process
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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 PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1473545 Sample: nick.doc Startdate: 15/07/2024 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 16 other signatures 2->61 8 WINWORD.EXE 291 18 2->8         started        11 taskeng.exe 2->11         started        process3 file4 47 C:\Users\user\Desktop\~$nick.doc, data 8->47 dropped 13 EQNEDT32.EXE 11 8->13         started        18 EQNEDT32.EXE 8->18         started        20 TwqPuOzbnOG.exe 11->20         started        process5 dnsIp6 53 covid19help.top 172.67.175.222, 443, 49161 CLOUDFLARENETUS United States 13->53 49 C:\Users\user\AppData\Roaming\nick39100.scr, PE32 13->49 dropped 51 C:\Users\user\AppData\Local\...\nick[1].scr, PE32 13->51 dropped 85 Installs new ROOT certificates 13->85 87 Office equation editor establishes network connection 13->87 89 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 13->89 22 nick39100.scr 1 10 13->22         started        91 Multi AV Scanner detection for dropped file 20->91 93 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->93 95 Machine Learning detection for dropped file 20->95 97 2 other signatures 20->97 26 TwqPuOzbnOG.exe 20->26         started        28 powershell.exe 20->28         started        30 powershell.exe 20->30         started        32 schtasks.exe 20->32         started        file7 signatures8 process9 file10 43 C:\Users\user\AppData\...\TwqPuOzbnOG.exe, PE32 22->43 dropped 45 C:\Users\user\AppData\Local\...\tmp46D1.tmp, XML 22->45 dropped 69 Multi AV Scanner detection for dropped file 22->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->71 73 Machine Learning detection for dropped file 22->73 83 3 other signatures 22->83 34 nick39100.scr 2 22->34         started        37 powershell.exe 4 22->37         started        39 powershell.exe 4 22->39         started        41 schtasks.exe 22->41         started        75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->75 77 Tries to steal Mail credentials (via file / registry access) 26->77 79 Tries to harvest and steal ftp login credentials 26->79 81 Tries to harvest and steal browser information (history, passwords, etc) 26->81 signatures11 process12 signatures13 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 34->63 65 Tries to steal Mail credentials (via file / registry access) 34->65 67 Installs new ROOT certificates 37->67
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/50db4947b7b376e1dcf502a704bd87dbbc7a04959720f5c2b9390d171cef240c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/50db4947b7b376e1dcf502a704bd87dbbc7a04959720f5c2b9390d171cef240c/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-07-15 09:38:08 UTC
File Type:
Document
Extracted files:
3
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kdnusr5xwn3odxhvaktqjpmh3o6hubevs4qplqvzhegrohhpeqga._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240715-p7gsysscqq/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Scheduled Task/Job: Scheduled Task
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
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
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
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0b421d02-d348-4de8-b893-52285392dbf6
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/50db4947b7b3/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/50db4947b7b376e1dcf502a704bd87dbbc7a04959720f5c2b9390d171cef240c

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.

Malspam

AgentTesla

Word file doc 5685ac180e320c50a6c4d70569a15d317f9b03baf71091b84f0915cec512869e

AgentTesla

Word file doc 50db4947b7b376e1dcf502a704bd87dbbc7a04959720f5c2b9390d171cef240c

(this sample)

  
Dropped by
SHA256 5685ac180e320c50a6c4d70569a15d317f9b03baf71091b84f0915cec512869e
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3045044/
  
Dropped by
MD5 916ebc98b5e558d1549670b6daaa69f5

Comments