MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e427957acc0998dec94707a3b6a3ef8e0958b4fdf7dc8d1de112e2fa20bf174. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5e427957acc0998dec94707a3b6a3ef8e0958b4fdf7dc8d1de112e2fa20bf174
SHA3-384 hash: d67fd36d6e6346ab034ccd554f7c1b0b8748b233cf19e630a927ce87273c87762bed4f735c79113b0925d580d3153145
SHA1 hash: 9ad3d2a84c5f7a8dc1f4ab375cf756e64a21c303
MD5 hash: 4149f8e7e1d0cc4d1c7f16e598fd900a
humanhash: florida-uncle-artist-twelve
File name:OCT SOA 2023.doc
Download: download sample
Signature Formbook
Create hunting rule
File size:265'255 bytes
First seen:2023-11-02 15:02:57 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:iwAlRHP/6L0mx0NKR3nAja04M0XJjt7Rr1U:iwAll/6yNKR3nAja0f0XJjxRr1U
TLSH T1DF44346EC34B41698F128377AB2B8E0802BDBB6EF38551B0346C537537EAC3951652BD
Reporter lowmal3
Tags:CVE-2017-11882 doc FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
311
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.29015.RtfHeur.Msg.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Exploit.CVE-2018-0798.4.10170.1179.UNOFFICIAL
Create hunting rule

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

MiscreantPunch.EvilRTF.CommonLure.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.RoomService.20230808.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Launching cmd.exe command interpreter
Query of malicious DNS domain
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
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/5e427957acc0998dec94707a3b6a3ef8e0958b4fdf7dc8d1de112e2fa20bf174/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6543ba2c798f2840e4d305af/reports/7be8cbea-edf2-4cd2-95e6-8857ca1a798e/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/5e427957acc0998dec94707a3b6a3ef8e0958b4fdf7dc8d1de112e2fa20bf174
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=4b8cc8ba-0c6c-4222-a378-b08cc0f16461
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1336057
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1336057 Sample: OCT_SOA_2023.doc Startdate: 02/11/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 15 other signatures 2->51 9 EQNEDT32.EXE 11 2->9         started        14 WINWORD.EXE 336 13 2->14         started        16 EQNEDT32.EXE 2->16         started        process3 dnsIp4 37 china.dhabigroup.top 104.21.4.159, 49161, 80 CLOUDFLARENETUS United States 9->37 33 C:\Users\user\AppData\...\pabloino3590.exe, PE32 9->33 dropped 35 C:\Users\user\AppData\...\pablozx[1].exe, PE32 9->35 dropped 67 Office equation editor establishes network connection 9->67 69 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 9->69 18 pabloino3590.exe 1 7 9->18         started        21 cmd.exe 9->21         started        file5 signatures6 process7 signatures8 53 Machine Learning detection for dropped file 18->53 55 Tries to detect virtualization through RDTSC time measurements 18->55 57 Injects a PE file into a foreign processes 18->57 23 pabloino3590.exe 18->23         started        process9 signatures10 59 Modifies the context of a thread in another process (thread injection) 23->59 61 Maps a DLL or memory area into another process 23->61 63 Sample uses process hollowing technique 23->63 65 Queues an APC in another process (thread injection) 23->65 26 explorer.exe 1 3 23->26 injected process11 dnsIp12 39 comedyarte.com 50.31.188.124, 49167, 80 SERVERCENTRALUS United States 26->39 41 www.minchengty.net 156.241.129.240, 49166, 80 ANCHGLOBAL-AS-APAnchnetAsiaLimitedHK Seychelles 26->41 43 6 other IPs or domains 26->43 71 System process connects to network (likely due to code injection or exploit) 26->71 30 svchost.exe 26->30         started        signatures13 process14 signatures15 73 Modifies the context of a thread in another process (thread injection) 30->73 75 Maps a DLL or memory area into another process 30->75 77 Tries to detect virtualization through RDTSC time measurements 30->77
Score:
99%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/5e427957acc0998dec94707a3b6a3ef8e0958b4fdf7dc8d1de112e2fa20bf174
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5e427957acc0998dec94707a3b6a3ef8e0958b4fdf7dc8d1de112e2fa20bf174/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-11-02 03:18:01 UTC
File Type:
Document
Extracted files:
3
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lzbhsv5mycmy33euob5dw2r67dqjlc2p3564ruo6cexc7iql6f2a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o6g2 rat spyware stealer trojan
Link:
https://tria.ge/reports/231102-se18nsff28/
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 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
Formbook payload
Formbook
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5e427957acc0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5e427957acc0998dec94707a3b6a3ef8e0958b4fdf7dc8d1de112e2fa20bf174

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.

Malspam

Formbook

Word file doc 5e427957acc0998dec94707a3b6a3ef8e0958b4fdf7dc8d1de112e2fa20bf174

(this sample)

  
Delivery method
Distributed via e-mail attachment

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