MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c18a88fef1d4479c7a6a16f8600977b586999d0f72f8a9f844d156a6c4437d1e. 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

SHA256 hash: c18a88fef1d4479c7a6a16f8600977b586999d0f72f8a9f844d156a6c4437d1e
SHA3-384 hash: 35f06c520c0cec4bf385e60e181e685fdab32eeeeb13517a054f4c37d39616c0464030e6d1c50458b370022a19e6b5ef
SHA1 hash: c81466adb3294abbd8dd5f9df95fc351b54d17cf
MD5 hash: 4c346dedb60a0880ed8cab320f11c666
humanhash: seventeen-golf-green-maine
File name:4c346dedb60a0880ed8cab320f11c666.rtf
Download: download sample
Signature AgentTesla
File size:47'743 bytes
First seen:2023-07-10 12:11:40 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:MFx0XaIsnPRIa4fwJMXD1YWabu97vYwjt860Et17DnF9koJU8LWOVXC:Mf0Xvx3EMXDDaiBAwC301vFO4SOVXC
TLSH T17B23D25EE78B02A48F411373271A0E8996BDB23DB35055B178AC933433EDC7E46666BC
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 :
112
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4c346dedb60a0880ed8cab320f11c666.rtf
Verdict:
Malicious activity
Analysis date:
2023-07-10 12:19:05 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Behaviour
Behavior Graph:
n/a
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-07-10 12:12:04 UTC
File Type:
Document
Extracted files:
3
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
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
Accesses Microsoft Outlook profiles
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.v4
Verdict:
Malicious
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 c18a88fef1d4479c7a6a16f8600977b586999d0f72f8a9f844d156a6c4437d1e

(this sample)

  
Delivery method
Distributed via web download

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