MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a5a7648239c56bb6d0f6eee65b1db657815583af116dda55b01962b6c467e15. 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


Formbook


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a5a7648239c56bb6d0f6eee65b1db657815583af116dda55b01962b6c467e15
SHA3-384 hash: f94ade27c934db4eada26b481dd0c18986d73b8ceaf572da597138e9cf403d3ae210d5b9f404cd46fcae8dbf209d8c2b
SHA1 hash: 590df8282325658f76b95da9f18b080a01c8e687
MD5 hash: 2f38a01f443e2dd052f2fa2e62590502
humanhash: helium-mexico-mockingbird-oranges
File name:shipping.doc
Download: download sample
Signature Formbook
Create hunting rule
File size:25'151 bytes
First seen:2022-04-14 08:18:20 UTC
Last seen:Never
File type:Word file doc
MIME type:text/plain
ssdeep 384:pnZ3Upt1v1pkD7OJ0wi60LazhVOww4A/wpcyNuyrt85ZK+BD/Rc9XP8cSsXX:NJUpt1v1pQ7c0EtVOJert85ZKe/OaoXX
TLSH T173B2F27DF18B0E88CE87D6A8160A3B81154CF55CB3D994A233BCDB38764596F9623D38
Reporter proxylife
Tags:CVE-2017-11882 FormBook rtf xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bağış sertifikası.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-14 09:27:39 UTC
Tags:
encrypted opendir trojan
Link:
https://app.any.run/tasks/60025682-81eb-4b20-ae43-16243c7db962

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
SecuriteInfo.com.Spam-473.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27333.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26244.RtfHeur.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.EvilRTF.CVE-2017-0199-Obfus.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

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
Adding an access-denied ACE
Launching cmd.exe command interpreter
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe embedequation exploit javascript packed shellcode
Link:
https://www.filescan.io/uploads/6257d8f8ffe27d5119cbf1e5/reports/49abf884-bab8-434c-ad4b-5b1460832478/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976723
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files to the user root directory
Initial sample is an obfuscated RTF file
Malicious sample detected (through community Yara rule)
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 starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Execution from Suspicious Folder
Sigma detected: File Dropped By EQNEDT32EXE
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a5a7648239c56bb6d0f6eee65b1db657815583af116dda55b01962b6c467e15/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2022-04-14 08:19:05 UTC
File Type:
Document
Extracted files:
5
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220414-mfdacabaa6/
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
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Program crash
Drops file in Windows directory
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6a5a7648239c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/6a5a7648239c56bb6d0f6eee65b1db657815583af116dda55b01962b6c467e15

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
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
Rule name:SUSP_RTF_Header_Anomaly_RID2F7F
Create hunting rule
Author:Florian Roth
Description:Detects malformed RTF header often used to trick mechanisms that check for a full RTF header
Reference:https://twitter.com/ItsReallyNick/status/975705759618158593

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments