MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 89f834c17348a6bbd04febb78911de13bfeb6c2d6ec084a1b4f2c72718308f3b. 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: 11
| SHA256 hash: | 89f834c17348a6bbd04febb78911de13bfeb6c2d6ec084a1b4f2c72718308f3b |
|---|---|
| SHA3-384 hash: | 8ce7e8b2f3f1f8b6d96496524433afb349bcde7207856ac0d2d4386ce519fa5eca1639c5ddd1220af63893e49e44e80f |
| SHA1 hash: | 4eb8f6e4c572b5968aacea440724cea0e8db8025 |
| MD5 hash: | a604cc88f63b055d08ae741f1183951c |
| humanhash: | ohio-music-north-edward |
| File name: | a604cc88f63b055d08ae741f1183951c |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 11'918 bytes |
| First seen: | 2023-02-09 11:39:52 UTC |
| Last seen: | Never |
| File type: |  rtf |
| MIME type: | text/rtf |
| ssdeep | 192:DtQeMLeWHB1KyLcfKbTrijvkuHzJC2bHLoP6MYFPEt1MI3QzfhPK3L:D6eMjB1dLcyb/ijcuHdbHLokUywQzob |
| TLSH | T1E432E7D04BAE64B2D259B033012A060D09BEE57734E709E4BECED58A37FD20E09F9176 |
| Reporter |  zbetcheckin |
| Tags: | AgentTesla CVE-2017-11882 rtf |
Intelligence
File Origin
# of uploads :
1
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a604cc88f63b055d08ae741f1183951c
Verdict:
Malicious activity
Analysis date:
2023-02-09 11:41:34 UTC
Tags:
trojan opendir exploit cve-2017-11882 loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request
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:
80%
Tags:
embedequation exploit packed shellcode
Verdict:
Malicious
Labled as:
CVE-2017-11882
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, zgRAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Drops PE files to the user root directory
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, 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 Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-02-09 11:40:06 UTC
File Type:
Document
Extracted files:
4
AV detection:
16 of 26 (61.54%)
Threat level:
5/5
Detection(s):
Suspicious file
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
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Blocklisted process makes network request
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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
Delivery method
Distributed via web download
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