MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd820630f687316d7b7698f1d4f7372cbb130bc03eef3d2bd56db984c5ada75e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dd820630f687316d7b7698f1d4f7372cbb130bc03eef3d2bd56db984c5ada75e
SHA3-384 hash: 4ebfb3074b979111c70b210473b9ae2dbea1df9104ffc83afa77bac0a01fd2c6443a7cd2db6b5877a9eaa3ab84ca62cb
SHA1 hash: cfedaafe215dd0d869e001d0a4b918a6c88b03b5
MD5 hash: d6b8d434a28391e61c7aec67b1333ed4
humanhash: fillet-helium-one-berlin
File name:New order PO-2023EX127.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:190'040 bytes
First seen:2024-02-21 13:23:36 UTC
Last seen:2024-02-25 21:46:24 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 768:bwAbZSibMX9gRWjtwAbZSibMX9gRWjtwAbZSibMX9gRWjhXRfBQZbSxZet5d5You:bwAlRkwAlRkwAlR8LQZbTbvr8xBT
TLSH T16D049B6DC34B01698F624336AB571E5542BDBB7EF38412B1346C437933EAC39A2252BD
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
4
# of downloads :
354
Origin country :
NL NL
Vendor Threat Intelligence
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

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

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
DNS request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Changing an executable file
Launching a service
Creating a file
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending a custom TCP request by exploiting the app vulnerability
Creating a process from a recently created file
Infecting executable files
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/dd820630f687316d7b7698f1d4f7372cbb130bc03eef3d2bd56db984c5ada75e/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/65d5f98026f1ddc579a352fb/reports/2f02870d-7505-4097-93f8-cad5070a104a/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/dd820630f687316d7b7698f1d4f7372cbb130bc03eef3d2bd56db984c5ada75e
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=b1beadbf-5777-45b0-9fe7-1dfc6cb14fff
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/1396153
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 / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Found malware configuration
Injects a PE file into a foreign processes
Installs new ROOT certificates
Malicious sample detected (through community Yara rule)
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 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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1396153 Sample: New order PO-2023EX127.doc Startdate: 21/02/2024 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 18 other signatures 2->48 8 WINWORD.EXE 336 13 2->8         started        process3 process4 10 EQNEDT32.EXE 11 8->10         started        15 EQNEDT32.EXE 8->15         started        dnsIp5 32 keskollc.top 172.67.152.138, 443, 49160 CLOUDFLARENETUS United States 10->32 26 C:\Users\user\AppData\Roaming\new89022.exe, PE32 10->26 dropped 28 C:\Users\user\AppData\Local\...\newzx[1].exe, PE32 10->28 dropped 58 Installs new ROOT certificates 10->58 60 Office equation editor establishes network connection 10->60 62 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 10->62 17 new89022.exe 1 8 10->17         started        file6 signatures7 process8 signatures9 34 Multi AV Scanner detection for dropped file 17->34 36 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->36 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->38 40 4 other signatures 17->40 20 new89022.exe 12 2 17->20         started        24 powershell.exe 4 17->24         started        process10 dnsIp11 30 ip-api.com 208.95.112.1, 49164, 80 TUT-ASUS United States 20->30 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->50 52 Tries to steal Mail credentials (via file / registry access) 20->52 54 Tries to harvest and steal browser information (history, passwords, etc) 20->54 56 Installs new ROOT certificates 24->56 signatures12
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/dd820630f687316d7b7698f1d4f7372cbb130bc03eef3d2bd56db984c5ada75e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dd820630f687316d7b7698f1d4f7372cbb130bc03eef3d2bd56db984c5ada75e/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-02-21 08:43:11 UTC
File Type:
Document
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3wbammhwq4yw263wtdy5j5zxfs5rgc6ah3xt2k6vnw4yjrnnu5pa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240221-qne1pafg7x/
Behaviour
Checks processor information in registry
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
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
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dd820630f687/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/dd820630f687316d7b7698f1d4f7372cbb130bc03eef3d2bd56db984c5ada75e

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.

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