MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad841094aa8ad7449dd081b08e4ebbae9b92d8c78f9f0de205be8da172f2adc0. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ad841094aa8ad7449dd081b08e4ebbae9b92d8c78f9f0de205be8da172f2adc0
SHA3-384 hash: 1a96dcab30f6fab973e7912f3ea50703abaa7d4935f2404860d6ebcb4fb6fb6b20d4dddbc8c6d5a6080d9afa5e3f1748
SHA1 hash: 2c6fe87e62dce22c15439ba8b616b9fbb661c308
MD5 hash: 628fcb7fe29df6ee64286915015c3496
humanhash: california-oven-utah-lion
File name:SecuriteInfo.com.Exploit.Rtf.Obfuscated.16.16983.27452
Download: download sample
Signature Formbook
Create hunting rule
File size:10'733 bytes
First seen:2021-01-26 11:06:01 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:9sBUXhfnaVI3YTm5m0LI0WeUXBnm8lKunUIHNXo4tLooDiLVIlpjIG6:9fXtaMacmB0WeX49n9N7DiL6fIP
TLSH EF229C78DEC6A1B6C72AD5DA490E2668013A783DB6E30DC27E9DF635AF4B2161353084
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Year Inquiry List.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-26 07:02:13 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/90579f23-b846-4c84-9804-1b7a2285637a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
SecuriteInfo.com.Exploit.Rtf.Obfuscated.16.16983.27452.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Connection attempt to an infection source by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/ad841094aa8ad7449dd081b08e4ebbae9b92d8c78f9f0de205be8da172f2adc0/results/dashboard
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/590497
Signature
Multi AV Scanner detection for submitted file
Sigma detected: EQNEDT32.EXE connecting to internet
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ad841094aa8ad7449dd081b08e4ebbae9b92d8c78f9f0de205be8da172f2adc0/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2021-01-26 07:27:50 UTC
File Type:
Document
Extracted files:
4
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vwcbbffkrllujhoqqgyi4tv3v2nzfwghr6pq3yqfx2g2c4xsvxaa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
ransomware
Link:
https://tria.ge/reports/210126-xvttmqq1ae/
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Enumerates system info in registry
Enumerates physical storage devices
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.99
Link:
https://yomi.yoroi.company/submissions/ad841094aa8ad7449dd081b08e4ebbae9b92d8c78f9f0de205be8da172f2adc0

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_RTF_EXPLOIT_CVE_2017_11882_4
Create hunting rule
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
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:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Rich Text Format (RTF) rtf ad841094aa8ad7449dd081b08e4ebbae9b92d8c78f9f0de205be8da172f2adc0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/978584/
  
Delivery method
Distributed via web download

Comments