MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 df465c0a97a88cde063985fc1236f32e8529c6c5066c1e733511f949236c7932. 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: 10
| SHA256 hash: | df465c0a97a88cde063985fc1236f32e8529c6c5066c1e733511f949236c7932 |
|---|---|
| SHA3-384 hash: | 2102c45df2b2b2a311219ee48dbbeaf953016f82ead3b586cde10a93b324705f6db9e9a1f0a9d904653e8ea55c388b45 |
| SHA1 hash: | 4d08e5e26b4b0ef7ebd4328524a58bd2852f409e |
| MD5 hash: | b237eb9658dacc01392eed9e831a8710 |
| humanhash: | ohio-salami-oscar-mockingbird |
| File name: | Signed contract-009988876.doc |
| Download: | download sample |
| File size: | 178'135 bytes |
| First seen: | 2024-05-07 07:39:12 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | text/rtf |
| ssdeep | 1536:qwAlRkwAlRkwAlRkwAlR1cpNLc1M1UxkK:qwAlawAlawAlawAlfsc1M1IkK |
| TLSH | T1D204CF6DD34B02598F620336AB5B1E5141BDBA7EF38552B1306C537933EAC3CA1252BE |
| Reporter |  abuse_ch |
| Tags: | CVE-2017-11882 doc |
Intelligence
File Origin
# of uploads :
1
# of downloads :
329
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
df465c0a97a88cde063985fc1236f32e8529c6c5066c1e733511f949236c7932.doc
Verdict:
Suspicious activity
Analysis date:
2024-05-07 07:42:39 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
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
Connection attempt to an infection source by exploiting the app vulnerability
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Query of malicious DNS domain
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 TCP request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Document exploit detected (process start blacklist hit)
Installs new ROOT certificates
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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 establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Equation Editor Network Connection
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-05-06 03:29:55 UTC
File Type:
Document
Extracted files:
3
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
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 behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Process spawned unexpected child process
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.
No further information available
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