MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ddbd4b7c13d365eb339aad4d0e2deb0dff4b50287d5111f57ca8756f3746f940. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ddbd4b7c13d365eb339aad4d0e2deb0dff4b50287d5111f57ca8756f3746f940
SHA3-384 hash: d67ce0ba05bb00f64338cae924a6d05a94d11d3130e5879d31f6aa3d3f18b69eb7f3363e6977942ff711455a7b6f684b
SHA1 hash: cfbeb69bdcf67546aafabb4dfe72ad4cbec77ec3
MD5 hash: db71e76c281983819c7259fd25618513
humanhash: bluebird-mirror-alpha-apart
File name:SecuriteInfo.com.RTF.Obfuscated-gen.19663.16514
Download: download sample
Signature Formbook
Create hunting rule
File size:3'443 bytes
First seen:2023-11-21 12:24:25 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 96:Of+TITOFimbXBrNKMnIRj2DhSUDmqNvmr:STOkmbRR3IgAUSqkr
TLSH T139610BB947942CD2D893C4F0CA187CEA82B8F11782DEB551842CEC31197B12A7E7D982
Reporter SecuriteInfoCom
Tags:CVE-2017-11882 FormBook rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
SecuriteInfo.com.RTF.Obfuscated-gen.19663.16514.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

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
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Query of malicious DNS domain
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Sending a TCP request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/ddbd4b7c13d365eb339aad4d0e2deb0dff4b50287d5111f57ca8756f3746f940/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control embedequation exploit lolbin shell32 shellcode
Link:
https://www.filescan.io/uploads/655ca19f572de6e10cb150a2/reports/c34e93ab-4259-46de-93df-3f787028a7d3/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/ddbd4b7c13d365eb339aad4d0e2deb0dff4b50287d5111f57ca8756f3746f940
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1345774
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1345774 Sample: SecuriteInfo.com.RTF.Obfusc... Startdate: 21/11/2023 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Found malware configuration 2->62 64 12 other signatures 2->64 11 EQNEDT32.EXE 12 2->11         started        16 WINWORD.EXE 336 13 2->16         started        18 EQNEDT32.EXE 2->18         started        process3 dnsIp4 44 swamini.in 103.224.247.210, 443, 49161, 49162 WEBWERKS-ASWebWerksIndiaPvtLtdIN India 11->44 40 C:\Users\user\AppData\Roaming\word.exe, PE32 11->40 dropped 42 C:\Users\user\AppData\...\balokarat2.1[1].exe, PE32 11->42 dropped 82 Office equation editor establishes network connection 11->82 84 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 11->84 20 word.exe 17 11->20         started        file5 signatures6 process7 file8 38 C:\Users\user\AppData\Local\...\twbcaze.exe, PE32 20->38 dropped 23 twbcaze.exe 20->23         started        process9 signatures10 66 Detected unpacking (changes PE section rights) 23->66 68 Machine Learning detection for dropped file 23->68 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 23->70 72 2 other signatures 23->72 26 twbcaze.exe 23->26         started        process11 signatures12 74 Modifies the context of a thread in another process (thread injection) 26->74 76 Maps a DLL or memory area into another process 26->76 78 Sample uses process hollowing technique 26->78 80 Queues an APC in another process (thread injection) 26->80 29 explorer.exe 1 3 26->29 injected process13 dnsIp14 46 www.xazeyu.net 103.150.181.71, 49167, 80 NANBIAN-CNNingboNanbianTuoluoXinxiJishuCoLtdCN unknown 29->46 48 www.shucaimh.com 107.164.111.101, 49165, 80 EGIHOSTINGUS United States 29->48 50 3 other IPs or domains 29->50 86 System process connects to network (likely due to code injection or exploit) 29->86 33 cmstp.exe 29->33         started        signatures15 process16 signatures17 52 Modifies the context of a thread in another process (thread injection) 33->52 54 Maps a DLL or memory area into another process 33->54 56 Tries to detect virtualization through RDTSC time measurements 33->56 36 cmd.exe 33->36         started        process18
Score:
99%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/ddbd4b7c13d365eb339aad4d0e2deb0dff4b50287d5111f57ca8756f3746f940
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ddbd4b7c13d365eb339aad4d0e2deb0dff4b50287d5111f57ca8756f3746f940/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-11-21 12:25:04 UTC
File Type:
Document
Extracted files:
3
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3w6uw7at2ns6wm42vvgq4lplbx7uwubipvird5l4vb2w6n2g7faa._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:t2ti rat spyware stealer trojan
Link:
https://tria.ge/reports/231121-pllj1sed59/
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: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
NSIS installer
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Formbook payload
Formbook
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ddbd4b7c13d3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/ddbd4b7c13d365eb339aad4d0e2deb0dff4b50287d5111f57ca8756f3746f940

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_INDICATOR_RTF_MalVer_Objects
Create hunting rule
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.

Comments