MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d6daa3deec1794602cd5d15d77c4cfba68b90c65c264b9c8754c7aba5ad81d34. 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
Threat unknown
Vendor detections: 12
| SHA256 hash: | d6daa3deec1794602cd5d15d77c4cfba68b90c65c264b9c8754c7aba5ad81d34 |
|---|---|
| SHA3-384 hash: | 7d63cac7cc080fa13a751541ddde4f9d0b81bbfe90f2a4675ca1ccaed7ba50373a1363416e7d325e3bfaa88486d418c6 |
| SHA1 hash: | 85d168e0b6f45b6a5f3e42e7319c78968e199ede |
| MD5 hash: | 8c65081cbc51c47f8ec97c98a8645ff0 |
| humanhash: | low-princess-kansas-gee |
| File name: | 8c65081cbc51c47f8ec97c98a8645ff0 |
| Download: | download sample |
| File size: | 5'753'184 bytes |
| First seen: | 2023-04-01 04:44:16 UTC |
| Last seen: | Never |
| File type: |  rtf |
| MIME type: | text/rtf |
| ssdeep | 24576:xpPfQe4ZmpbGs32XdO3GL7+G2XAffPO21KNLhnoGPN8Qrzzk50AWHLUxo2G2KioE:0 |
| TLSH | T1384656F0AD01D4C1F57E5B6AF2FD3A48A1343217EBC94A4A00E7E6551EF6A11B90ECC9 |
| Reporter |  zbetcheckin |
| Tags: | CVE-2017-11882 rtf |
Intelligence
File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
8c65081cbc51c47f8ec97c98a8645ff0
Verdict:
Malicious activity
Analysis date:
2023-04-01 04:46:16 UTC
Tags:
exploit cve-2017-11882 agenttesla
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
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
DNS request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process with a hidden window
Possible injection to a system process
Sending a custom TCP request by exploiting the app vulnerability
Creating a process from a recently created file
Using obfuscated Powershell scripts
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
CVE-2018-0802 embedequation exploit shellcode warp
Verdict:
Malicious
Labled as:
CVE-2018-0802
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
96 / 100
Signature
Antivirus detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Shellcode detected
Sigma detected: File Dropped By EQNEDT32EXE
Suspicious powershell command line found
Very long command line found
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-03-22 05:50:47 UTC
File Type:
Document
Extracted files:
3
AV detection:
11 of 24 (45.83%)
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 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
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.46
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
rtf d6daa3deec1794602cd5d15d77c4cfba68b90c65c264b9c8754c7aba5ad81d34
(this sample)
Delivery method
Distributed via web download
Comments
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