MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ff86583279b30615f6ef62b356c10a1f2f203d6e5437f6632236219e27fcc3c. 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

SHA256 hash: 7ff86583279b30615f6ef62b356c10a1f2f203d6e5437f6632236219e27fcc3c
SHA3-384 hash: b1c9e9fb00f1a0c7d541148be143d1c1716b77be1d5613e7249c0c29560ef7282a6c3d57af0524a0599a7a0b6d276798
SHA1 hash: 6f6cb90b7a374f34edda30c9654d6aad4759925e
MD5 hash: de28e76dce38059a0331562a9579106e
humanhash: mirror-alpha-jig-april
File name:New Order.doc
Download: download sample
Signature Formbook
File size:154'082 bytes
First seen:2024-05-22 18:12:21 UTC
Last seen:2024-05-22 18:41:14 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:8wAlRkwAlRkwAlRkwAlRoNkmwP0hhpZAoas:8wAlawAlawAlawAlBmwP0hhbAod
TLSH T15FE3D16DD34B02598F620377AB571E5042BDBA6EF38552B0306C533933EAC3DA1252BE
Reporter abuse_ch
Tags:CVE-2017-11882 doc FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
340
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7ff86583279b30615f6ef62b356c10a1f2f203d6e5437f6632236219e27fcc3c.doc
Verdict:
Suspicious activity
Analysis date:
2024-05-22 18:54:46 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
Verdict:
Malicious
Score:
95.7%
Tags:
Network Office Static Stealth Obfuscated
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Using the Windows Management Instrumentation requests
Result
Verdict:
Malicious
File Type:
Fake RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
embedequation exploit shellcode
Gathering data
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Document exploit detected (process start blacklist hit)
Drops PE files with a suspicious file extension
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Installs new ROOT certificates
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Equation Editor Network Connection
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Microsoft Office Child Process
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1445978 Sample: New Order.doc Startdate: 22/05/2024 Architecture: WINDOWS Score: 100 93 Snort IDS alert for network traffic 2->93 95 Malicious sample detected (through community Yara rule) 2->95 97 Antivirus detection for URL or domain 2->97 99 16 other signatures 2->99 11 WINWORD.EXE 336 14 2->11         started        13 taskeng.exe 1 2->13         started        process3 process4 15 EQNEDT32.EXE 11 11->15         started        20 EQNEDT32.EXE 11->20         started        22 xtkgtig.exe 13->22         started        dnsIp5 77 covid19help.top 172.67.175.222, 443, 49161 CLOUDFLARENETUS United States 15->77 59 C:\Users\user\AppData\Roaming\loud76090.scr, PE32 15->59 dropped 61 C:\Users\user\AppData\Local\...\loud[1].scr, PE32 15->61 dropped 79 Installs new ROOT certificates 15->79 81 Office equation editor establishes network connection 15->81 83 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 15->83 24 loud76090.scr 1 10 15->24         started        85 Multi AV Scanner detection for dropped file 22->85 87 Machine Learning detection for dropped file 22->87 89 Adds a directory exclusion to Windows Defender 22->89 91 Injects a PE file into a foreign processes 22->91 28 powershell.exe 22->28         started        30 powershell.exe 22->30         started        32 schtasks.exe 22->32         started        34 2 other processes 22->34 file6 signatures7 process8 file9 65 C:\Users\user\AppData\Roaming\xtkgtig.exe, PE32 24->65 dropped 67 C:\Users\user\AppData\Local\...\tmp5FDC.tmp, XML 24->67 dropped 117 Multi AV Scanner detection for dropped file 24->117 119 Machine Learning detection for dropped file 24->119 121 Uses schtasks.exe or at.exe to add and modify task schedules 24->121 123 2 other signatures 24->123 36 loud76090.scr 24->36         started        39 powershell.exe 4 24->39         started        41 powershell.exe 4 24->41         started        43 schtasks.exe 24->43         started        signatures10 process11 signatures12 109 Maps a DLL or memory area into another process 36->109 45 EQUmQXLhpUANQKMdKYUFEGgOnzWHu.exe 36->45 injected 111 Installs new ROOT certificates 39->111 process13 signatures14 125 Maps a DLL or memory area into another process 45->125 127 Found direct / indirect Syscall (likely to bypass EDR) 45->127 48 dfrgui.exe 45->48         started        process15 dnsIp16 69 www.sqlite.org 45.33.6.223, 49163, 80 LINODE-APLinodeLLCUS United States 48->69 63 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32 48->63 dropped 101 Tries to steal Mail credentials (via file / registry access) 48->101 103 Tries to harvest and steal browser information (history, passwords, etc) 48->103 105 Maps a DLL or memory area into another process 48->105 107 Queues an APC in another process (thread injection) 48->107 53 EQUmQXLhpUANQKMdKYUFEGgOnzWHu.exe 48->53 injected 57 firefox.exe 48->57         started        file17 signatures18 process19 dnsIp20 71 www.99b6q.xyz 53->71 73 www.terelprime.com 66.96.161.166, 49162, 80 BIZLAND-SDUS United States 53->73 75 4 other IPs or domains 53->75 113 Found direct / indirect Syscall (likely to bypass EDR) 53->113 signatures21 115 Performs DNS queries to domains with low reputation 71->115
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-05-22 03:26:34 UTC
File Type:
Document
Extracted files:
3
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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 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
Suspicious use of SetThreadContext
Process spawned suspicious child process
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Process spawned unexpected child process
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

Comments