MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 654827e033ade1eaac2d73965c9c4e09919b3fbda189243be244e862232e282b. 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
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SHA256 hash: 654827e033ade1eaac2d73965c9c4e09919b3fbda189243be244e862232e282b
SHA3-384 hash: 3052749af1b38e2d07901c8021b03284f4dfd1f3fdfae0286acbbc1210b1a3ed99c97351e7a7158a419980fcb650cb8c
SHA1 hash: 7758539e06a8468d951e257d687eea32475110a8
MD5 hash: fa4be0cfe92647aaed926c9a5927e169
humanhash: magazine-twenty-salami-carpet
File name:New order 98987006305#.doc
Download: download sample
Signature Formbook
Create hunting rule
File size:1'532'355 bytes
First seen:2023-11-02 15:09:08 UTC
Last seen:2023-11-02 16:13:43 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:xYhVqFkKo6cJegCVfZy547kivHvC2yhUySbIR4daGCYZBxvxS9feQZmLWPy6O1X+:Q
TLSH T18E65BFB876047DE6266F576BDA96ACDD13B627239A8BA4CC807477C304A3375FE02C05
Reporter lowmal3
Tags:CVE-2017-11882 doc FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
355
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.29030.RtfHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.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 in the %AppData% directory
Creating a file in the %temp% directory
Sending a custom TCP request
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Query of malicious DNS domain
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
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
Unauthorized injection to a browser process
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/654827e033ade1eaac2d73965c9c4e09919b3fbda189243be244e862232e282b/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control embedequation exploit exploit lolbin shell32 shellcode
Link:
https://www.filescan.io/uploads/6543bbcf4ebf05ac3f42037d/reports/80de4d66-8e6d-4de8-b01b-ad7dcfaae473/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/654827e033ade1eaac2d73965c9c4e09919b3fbda189243be244e862232e282b
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=3ab348d8-c9e1-4402-9d6a-6a5bfb61e324
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/1336074
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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 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
Shellcode detected
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: 1336074 Sample: New_order_98987006305#.doc Startdate: 02/11/2023 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic 2->59 61 Multi AV Scanner detection for domain / URL 2->61 63 Found malware configuration 2->63 65 16 other signatures 2->65 11 EQNEDT32.EXE 11 2->11         started        16 WINWORD.EXE 291 30 2->16         started        process3 dnsIp4 45 mail.treeoflifeadventures.com 41.185.64.155, 49161, 80 GridhostZA South Africa 11->45 39 C:\Users\user\AppData\Roaming\word.exe, PE32 11->39 dropped 41 C:\Users\user\AppData\...\jujoptics2.1[1].exe, PE32 11->41 dropped 87 Office equation editor establishes network connection 11->87 89 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 11->89 18 word.exe 17 11->18         started        43 ~WRF{532B5299-3957...1-1677A339BCB3}.tmp, Composite 16->43 dropped file5 signatures6 process7 file8 37 C:\Users\user\AppData\Local\...\xheuzyg.exe, PE32 18->37 dropped 67 Antivirus detection for dropped file 18->67 69 Multi AV Scanner detection for dropped file 18->69 22 xheuzyg.exe 18->22         started        signatures9 process10 signatures11 71 Multi AV Scanner detection for dropped file 22->71 73 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 22->73 75 Maps a DLL or memory area into another process 22->75 77 Tries to detect virtualization through RDTSC time measurements 22->77 25 xheuzyg.exe 22->25         started        process12 signatures13 79 Modifies the context of a thread in another process (thread injection) 25->79 81 Maps a DLL or memory area into another process 25->81 83 Sample uses process hollowing technique 25->83 85 Queues an APC in another process (thread injection) 25->85 28 explorer.exe 7 3 25->28 injected process14 dnsIp15 47 www.infinitytrustbank.com 185.151.30.199, 49174, 80 TWENTYIGB United Kingdom 28->47 49 www.betmcc.pro 172.67.219.169, 49165, 80 CLOUDFLARENETUS United States 28->49 51 14 other IPs or domains 28->51 91 System process connects to network (likely due to code injection or exploit) 28->91 32 cmd.exe 28->32         started        signatures16 process17 signatures18 53 Modifies the context of a thread in another process (thread injection) 32->53 55 Maps a DLL or memory area into another process 32->55 57 Tries to detect virtualization through RDTSC time measurements 32->57 35 cmd.exe 32->35         started        process19
Score:
90%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/654827e033ade1eaac2d73965c9c4e09919b3fbda189243be244e862232e282b
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/654827e033ade1eaac2d73965c9c4e09919b3fbda189243be244e862232e282b/
Threat name:
Win32.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-11-02 15:10:06 UTC
File Type:
Document
Extracted files:
3
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mvecpybtvxq6vlbnoolfzhcobgizwp55ugesio7citugeizofavq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ju29 rat spyware stealer trojan
Link:
https://tria.ge/reports/231102-sj2d8sff67/
Behaviour
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
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
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/654827e033ad/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/654827e033ade1eaac2d73965c9c4e09919b3fbda189243be244e862232e282b

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 654827e033ade1eaac2d73965c9c4e09919b3fbda189243be244e862232e282b

(this sample)

  
Delivery method
Distributed via e-mail attachment

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