MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75dc109cb1489fcae33f5d991fd6cd9307287630afc73dabad40b2045774c184. 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

SHA256 hash: 75dc109cb1489fcae33f5d991fd6cd9307287630afc73dabad40b2045774c184
SHA3-384 hash: e064a5002cf2f18568ae9b45bb4a055e008b3fd606452aad019a15f727116cac66afc5dd0633049c565de12952ad7e91
SHA1 hash: 933d9c9a0ca720a111c45d9f169bc79427fb25a1
MD5 hash: 134d6c37f2edf74d9a21b3b3c545315b
humanhash: michigan-mobile-nebraska-eleven
File name:134d6c37f2edf74d9a21b3b3c545315b.rtf
Download: download sample
Signature AgentTesla
File size:43'390 bytes
First seen:2023-07-18 13:06:50 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:OFx0XaIsnPRIa4fwJMNGZ0squBEydKx48wDIjHZN46Bzxl9i+/:Of0Xvx3EMNGS1uBEp4TiHZJRxl9i+/
TLSH T15513905EE79F02648F5112B3171A0E8996BDB23EB35151B1386C837433EDC3D46A6ABC
TrID 71.4% (.PZ2) Poser pose (12500/1/4)
28.5% (.RTF) Rich Text Format (5000/1)
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
1
# of downloads :
113
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
avemaria
ID:
1
File name:
134d6c37f2edf74d9a21b3b3c545315b.rtf
Verdict:
Malicious activity
Analysis date:
2023-07-18 13:08:31 UTC
Tags:
exploit cve-2017-11882 loader trojan rat stealer avemaria arkei warzone

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-07-18 08:59:12 UTC
File Type:
Document
Extracted files:
3
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Program crash
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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
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.

Web download

AgentTesla

Rich Text Format (RTF) rtf 75dc109cb1489fcae33f5d991fd6cd9307287630afc73dabad40b2045774c184

(this sample)

  
Delivery method
Distributed via web download

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