MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e7026039a8201b0d0ef23a2cb837fbde785f4e0895e843ec04c975d60afb99f. 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
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SHA256 hash: 1e7026039a8201b0d0ef23a2cb837fbde785f4e0895e843ec04c975d60afb99f
SHA3-384 hash: 8aed234c3e443eea2ea3fad3c70b3c62808687bf7e30d90895d81a172fefb5af189328eaf588cec9c512df8ec9390070
SHA1 hash: 6cca35d8bc2430bdf715696aece16ca34199f418
MD5 hash: 1982efd383b4f28fafb917132b87478e
humanhash: twelve-don-bulldog-pip
File name:SecuriteInfo.com.Exploit.Rtf.Obfuscated.32.29632.17941
Download: download sample
Signature Formbook
Create hunting rule
File size:272'110 bytes
First seen:2023-11-02 06:16:29 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:YwAbZSibMX9gRWj2plPRMz1tL7QZiWuuSJCUXo75:YwAlRTeB9MMWCCUXo
TLSH T12044346CD34F02A98F66637A971B5E8481BCBA3EF34151B2346C533833EAC39512667D
Reporter SecuriteInfoCom
Tags:CVE-2017-11882 FormBook rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
136
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.29015.RtfHeur.Msg.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Exploit.Rtf.Obfuscated.32.29632.17941.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:
RTF File
Link:
https://app.docguard.net/1e7026039a8201b0d0ef23a2cb837fbde785f4e0895e843ec04c975d60afb99f/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/65433ee04ebf05ac3f41a744/reports/68e5b86e-f4a1-4a14-9212-bc47183a71cb/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/1e7026039a8201b0d0ef23a2cb837fbde785f4e0895e843ec04c975d60afb99f
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/1335830
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)
Performs DNS queries to domains with low reputation
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: 1335830 Sample: SecuriteInfo.com.Exploit.Rt... Startdate: 02/11/2023 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 15 other signatures 2->60 10 EQNEDT32.EXE 11 2->10         started        15 WINWORD.EXE 291 16 2->15         started        process3 dnsIp4 44 china.dhabigroup.top 104.21.4.159, 49161, 80 CLOUDFLARENETUS United States 10->44 34 C:\Users\user\AppData\...\owen9430541.exe, PE32 10->34 dropped 36 C:\Users\user\AppData\Local\...\owenzx[1].exe, PE32 10->36 dropped 74 Office equation editor establishes network connection 10->74 76 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 10->76 17 owen9430541.exe 1 7 10->17         started        20 svchost.exe 10->20         started        file5 signatures6 process7 signatures8 46 Multi AV Scanner detection for dropped file 17->46 48 Machine Learning detection for dropped file 17->48 50 Tries to detect virtualization through RDTSC time measurements 17->50 52 Injects a PE file into a foreign processes 17->52 22 owen9430541.exe 17->22         started        process9 signatures10 62 Modifies the context of a thread in another process (thread injection) 22->62 64 Maps a DLL or memory area into another process 22->64 66 Sample uses process hollowing technique 22->66 68 Queues an APC in another process (thread injection) 22->68 25 explorer.exe 8 3 22->25 injected process11 dnsIp12 38 www.hegre-shaved-girls.com 25->38 40 www.herbahis239.com 185.162.229.2, 49167, 80 UKFASTGB Denmark 25->40 42 15 other IPs or domains 25->42 70 System process connects to network (likely due to code injection or exploit) 25->70 72 Performs DNS queries to domains with low reputation 25->72 29 cmmon32.exe 25->29         started        signatures13 process14 signatures15 78 Modifies the context of a thread in another process (thread injection) 29->78 80 Maps a DLL or memory area into another process 29->80 82 Tries to detect virtualization through RDTSC time measurements 29->82 32 cmd.exe 29->32         started        process16
Score:
98%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/1e7026039a8201b0d0ef23a2cb837fbde785f4e0895e843ec04c975d60afb99f
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1e7026039a8201b0d0ef23a2cb837fbde785f4e0895e843ec04c975d60afb99f/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-11-02 02:48:20 UTC
File Type:
Document
Extracted files:
3
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dzycma42qia3buhpeormxa37xxtyl5harfpiipwajslv2yfpxgpq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:o5gu rat spyware stealer trojan
Link:
https://tria.ge/reports/231102-g1191sac47/
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/1e7026039a82/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/1e7026039a8201b0d0ef23a2cb837fbde785f4e0895e843ec04c975d60afb99f

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.

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