MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72dde2686b758581f880758d957458eb735cac9d0fcde2c5a50af2124d1ffc98. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 72dde2686b758581f880758d957458eb735cac9d0fcde2c5a50af2124d1ffc98
SHA3-384 hash: a124a2de656e457febf89300a57ff9a467606190f59e84b411f0605988f429cf68c13bb9e05a1e69d819ef5cbedf674f
SHA1 hash: 4a43ef0eebc753a7bff961543cbcf441c9f1b4bd
MD5 hash: e050b72bd8f7f3c5a79af85cb1a1bd73
humanhash: enemy-spring-xray-lima
File name:becauseofflowerwecantgivesuchamemorybecauseflowersareveryimporatntinffrontofloverwholikeyousheismygirl____ireallyloverhertruly.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:67'068 bytes
First seen:2024-05-15 10:03:48 UTC
Last seen:Never
File type:Word file doc
MIME type:text/plain
ssdeep 1536:Au/ZLIVlnZBLRzykHlA+lu4VKhk5v0jLJGWu+rtzy:TZ2nZFg4VKhbjLMB+rtW
TLSH T1D563E52EE70F0965DF55E67B034A4B4A0AFCB33D728540A139BC9774376D82E4A6287C
Reporter pr0xylife
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
361
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
72dde2686b758581f880758d957458eb735cac9d0fcde2c5a50af2124d1ffc98.doc
Verdict:
Suspicious activity
Analysis date:
2024-05-15 10:05:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e33c83fd-5475-4c2b-bb8a-62822c9e2835

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.27333.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26244.RtfHeur.UNOFFICIAL
Create hunting rule

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

MiscreantPunch.RTF.EvilRTF.CVE-2017-0199-Obfus.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilRTF.ObfusRunAway.20240409.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Launching a service
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process with a hidden window
Creating a file
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
Forced shutdown of a system process
Creating a process from a recently created file
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/72dde2686b758581f880758d957458eb735cac9d0fcde2c5a50af2124d1ffc98/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Link:
https://www.filescan.io/uploads/66448893bc04dffa921a6e8a/reports/79a7d06e-ec1b-4d5e-aebb-e9e1ff7361e5/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/72dde2686b758581f880758d957458eb735cac9d0fcde2c5a50af2124d1ffc98
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/1441878
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Drops PE files with benign system names
Found malware configuration
Initial sample is an obfuscated RTF file
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)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: System File Execution Location Anomaly
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1441878 Sample: hertruly.doc Startdate: 15/05/2024 Architecture: WINDOWS Score: 100 57 Initial sample is an obfuscated RTF file 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 24 other signatures 2->63 8 WINWORD.EXE 336 13 2->8         started        10 taskeng.exe 2->10         started        process3 process4 12 EQNEDT32.EXE 12 8->12         started        17 EQNEDT32.EXE 8->17         started        19 WerFault.exe 8->19         started        21 zmSyIN.exe 10->21         started        dnsIp5 55 107.172.130.130, 49163, 80 AS-COLOCROSSINGUS United States 12->55 49 C:\Users\user\AppData\Roaming\spoolsv.exe, PE32 12->49 dropped 51 C:\Users\user\AppData\Local\...\grace[1].exe, PE32 12->51 dropped 89 Office equation editor establishes network connection 12->89 91 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 12->91 23 spoolsv.exe 1 10 12->23         started        93 Multi AV Scanner detection for dropped file 21->93 95 Machine Learning detection for dropped file 21->95 97 Writes to foreign memory regions 21->97 99 3 other signatures 21->99 27 RegSvcs.exe 21->27         started        30 powershell.exe 21->30         started        32 powershell.exe 21->32         started        34 schtasks.exe 21->34         started        file6 signatures7 process8 dnsIp9 45 C:\Users\user\AppData\Roaming\zmSyIN.exe, PE32 23->45 dropped 47 C:\Users\user\AppData\Local\...\tmp5BB8.tmp, XML 23->47 dropped 73 Multi AV Scanner detection for dropped file 23->73 75 Machine Learning detection for dropped file 23->75 77 Uses schtasks.exe or at.exe to add and modify task schedules 23->77 87 4 other signatures 23->87 36 RegSvcs.exe 12 2 23->36         started        39 powershell.exe 4 23->39         started        41 powershell.exe 4 23->41         started        43 schtasks.exe 23->43         started        53 api.ipify.org 104.26.12.205, 443, 49164 CLOUDFLARENETUS United States 27->53 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->79 81 Tries to steal Mail credentials (via file / registry access) 27->81 83 Tries to harvest and steal ftp login credentials 27->83 85 Tries to harvest and steal browser information (history, passwords, etc) 27->85 file10 signatures11 process12 signatures13 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->65 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 36->67 69 Tries to steal Mail credentials (via file / registry access) 36->69 71 Installs new ROOT certificates 39->71
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/72dde2686b758581f880758d957458eb735cac9d0fcde2c5a50af2124d1ffc98
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/72dde2686b758581f880758d957458eb735cac9d0fcde2c5a50af2124d1ffc98/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-05-14 09:05:06 UTC
File Type:
Document
Extracted files:
4
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=olo6e2dlowcyd6eaowgzk5cy5nzvzle5b7g6frnfblzbeti77sma._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240515-l3x3lacc6x/
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
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
AgentTesla
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/72dde2686b758581f880758d957458eb735cac9d0fcde2c5a50af2124d1ffc98

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
Rule name:SUSP_RTF_Header_Anomaly_RID2F7F
Create hunting rule
Author:Florian Roth
Description:Detects malformed RTF header often used to trick mechanisms that check for a full RTF header
Reference:https://twitter.com/ItsReallyNick/status/975705759618158593

File information

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

Web download

AgentTesla

Word file doc 72dde2686b758581f880758d957458eb735cac9d0fcde2c5a50af2124d1ffc98

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2851788/
  
Delivery method
Distributed via web download

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