MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9de9ba77f44894eaa8b64ae0b30b6d6893cf164ffe0151c046c3ff75db34c95. 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


DBatLoader


Vendor detections: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9de9ba77f44894eaa8b64ae0b30b6d6893cf164ffe0151c046c3ff75db34c95
SHA3-384 hash: 9746372328f96bd63530a92edffffce6bdfa920174d534c63ed5da9aa74f718de17f796384bfbae6283c9613e72ceedd
SHA1 hash: 3e028903c7b95c053b214b6fb9bb5bb988fa4910
MD5 hash: c6501eea3083f895b9bf43c8b23ba423
humanhash: oregon-pizza-early-nebraska
File name:document.doc1
Download: download sample
Signature DBatLoader
Create hunting rule
File size:22'960 bytes
First seen:2022-07-30 19:40:25 UTC
Last seen:Never
File type:Word file doc
MIME type:application/octet-stream
ssdeep 384:iLcvTjuTOF+xfb6sFVuYq6UaqU3n2KKKv9CdcFsl+OoDkIiTJBkOV:JvTjzoftq6UaqU3n2KKKv9CGsxY9iTJV
TLSH T1F7A28B7EB69B8E4CEA1BD399050A7EA9066DF41D73C444C1ABBCF7307D1C94A8B21538
Reporter KdssSupport
Tags:CVE-2017-11882 DBatLoader doc


Avatar
KdssSupport
Uploaded with API

Intelligence

File Origin
# of uploads :
1
# of downloads :
325
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
July Tom-P _Updated SOA &Inv_989220091.docx.zip
Verdict:
Malicious activity
Analysis date:
2022-07-30 10:58:06 UTC
Tags:
opendir trojan exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/3070e34b-2810-44ac-a868-d837b765bf1d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Spam-473.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27333.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26244.RtfHeur.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.EvilRTF.CVE-2017-0199-Obfus.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
embedequation exploit javascript
Link:
https://www.filescan.io/uploads/62e589585c07b66577dc5574/reports/73db6158-db6e-42b2-9219-101f70814071/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
DBatLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1043707
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes memory attributes in foreign processes to executable or writable
Creates a thread in another existing process (thread injection)
Drops PE files to the user root directory
Initial sample is an obfuscated RTF file
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for domain / URL
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)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 676203 Sample: document.doc1 Startdate: 31/07/2022 Architecture: WINDOWS Score: 100 53 Initial sample is an obfuscated RTF file 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 14 other signatures 2->59 10 EQNEDT32.EXE 12 2->10         started        15 WINWORD.EXE 291 21 2->15         started        process3 dnsIp4 47 192.227.168.187, 49173, 80 AS-COLOCROSSINGUS United States 10->47 39 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 10->39 dropped 41 C:\Users\Public\vbc.exe, PE32 10->41 dropped 71 Office equation editor establishes network connection 10->71 73 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 10->73 17 vbc.exe 1 14 10->17         started        43 ~WRF{FED33EE8-97A3...4-8536C5755B3B}.tmp, Composite 15->43 dropped file5 signatures6 process7 dnsIp8 45 morientlines.com 103.11.189.121, 443, 49174, 49175 VODIEN-AS-AP-LOC2VodienInternetSolutionsPteLtdSG Singapore 17->45 37 C:\Users\Public\Libraries\Zynzgi.exe, PE32 17->37 dropped 61 Writes to foreign memory regions 17->61 63 Allocates memory in foreign processes 17->63 22 cmd.exe 17->22         started        file9 signatures10 process11 signatures12 65 Modifies the context of a thread in another process (thread injection) 22->65 67 Maps a DLL or memory area into another process 22->67 69 Queues an APC in another process (thread injection) 22->69 25 explorer.exe 1 2 22->25 injected process13 process14 27 Zynzgi.exe 11 25->27         started        31 Zynzgi.exe 11 25->31         started        dnsIp15 49 morientlines.com 27->49 75 Changes memory attributes in foreign processes to executable or writable 27->75 77 Writes to foreign memory regions 27->77 79 Allocates memory in foreign processes 27->79 33 cmd.exe 27->33         started        51 morientlines.com 31->51 81 Creates a thread in another existing process (thread injection) 31->81 83 Injects a PE file into a foreign processes 31->83 35 cmd.exe 31->35         started        signatures16 process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9de9ba77f44894eaa8b64ae0b30b6d6893cf164ffe0151c046c3ff75db34c95/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2022-07-29 08:01:31 UTC
File Type:
Document
Extracted files:
5
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xhpjxj37iseu5kulmsxawmfw22etz4le77qbkhaenq77oxntjskq._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
Link:
https://yomi.yoroi.company/submissions/b9de9ba77f44894eaa8b64ae0b30b6d6893cf164ffe0151c046c3ff75db34c95

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_RTF_Header_Anomaly_RID2F7F
Create hunting rule
Author:Florian Roth
Description:Detects malformed RTF header often used to trick mechanisms that check for a full RTF header
Reference:https://twitter.com/ItsReallyNick/status/975705759618158593

File information

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

Web download

DBatLoader

Word file doc b9de9ba77f44894eaa8b64ae0b30b6d6893cf164ffe0151c046c3ff75db34c95

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2262906/

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