MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81cfae743033e3f1584136c555591f2737b1171da71b1e207525cd02bca02709. 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


Loki


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81cfae743033e3f1584136c555591f2737b1171da71b1e207525cd02bca02709
SHA3-384 hash: 067c398390db7c87417bcc6a95fa5c315225da3bf4a30e164431b2c1a04723375a39a206032bf9f2a57c608da16f6d4e
SHA1 hash: 548c730164223fba7cfba7d21d61643dfe4b84f3
MD5 hash: 7dd203f43399a41d6724e93c59c26142
humanhash: maryland-thirteen-autumn-pasta
File name:7dd203f43399a41d6724e93c59c26142
Download: download sample
Signature Loki
Create hunting rule
File size:9'683 bytes
First seen:2023-02-24 01:17:22 UTC
Last seen:2023-02-24 02:27:45 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:VWjmoq39jZ+aJf/IeLl835bDnmZNNaBfRhxmCYB5c9YFo+lE9a7:VKyn/IeGZDnmZNNqhcCmHoOEw
TLSH T1AC1294415BCDA8F28358B233826D951A5A7EE2B674621AD8F8CDD4C237BD50D48BC2F1
Reporter zbetcheckin
Tags:CVE-2017-11882 Loki rtf

Intelligence

File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7dd203f43399a41d6724e93c59c26142
Verdict:
Malicious activity
Analysis date:
2023-02-24 01:18:01 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/3b8ab7df-9560-4683-a9ec-3eef1b8a6137

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.28765.RtfHeur.ObjUpd.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28881.RtfHeur.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
Сreating synchronization primitives
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/81cfae743033e3f1584136c555591f2737b1171da71b1e207525cd02bca02709/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
67%
Tags:
embedequation exploit
Link:
https://www.filescan.io/uploads/63f8104c0796d7d621e81a13/reports/b18dc042-5362-4bf0-acb2-934cf4303db2/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/81cfae743033e3f1584136c555591f2737b1171da71b1e207525cd02bca02709
Result
Verdict:
MALICIOUS
Result
Threat name:
Lokibot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1181650
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
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)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 814481 Sample: wXT9XVcKbM.rtf Startdate: 24/02/2023 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 13 other signatures 2->48 7 EQNEDT32.EXE 12 2->7         started        12 WINWORD.EXE 336 18 2->12         started        14 EQNEDT32.EXE 2->14         started        process3 dnsIp4 32 212.87.204.200, 49171, 80 GEMENIIGEMENIINETWORKRO Germany 7->32 26 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 7->26 dropped 28 C:\Users\Public\vbc.exe, PE32 7->28 dropped 58 Office equation editor establishes network connection 7->58 60 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->60 16 vbc.exe 1 5 7->16         started        file5 signatures6 process7 signatures8 34 Multi AV Scanner detection for dropped file 16->34 36 Tries to steal Mail credentials (via file registry) 16->36 38 Machine Learning detection for dropped file 16->38 40 Injects a PE file into a foreign processes 16->40 19 vbc.exe 54 16->19         started        process9 dnsIp10 30 208.67.105.148, 49172, 49173, 49174 GRAYSON-COLLIN-COMMUNICATIONSUS United States 19->30 24 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 19->24 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->50 52 Tries to steal Mail credentials (via file / registry access) 19->52 54 Tries to harvest and steal ftp login credentials 19->54 56 Tries to harvest and steal browser information (history, passwords, etc) 19->56 file11 signatures12
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81cfae743033e3f1584136c555591f2737b1171da71b1e207525cd02bca02709/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-02-23 03:14:08 UTC
File Type:
Document
Extracted files:
4
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhh245bqgpr7cwcbg3cvkwi7e433cfy5u4nr4idvexgqfpfae4eq._file
Result
Malware family:
lokibot
Create hunting rule
Score:
  10/10
Tags:
family:lokibot collection spyware stealer trojan
Link:
https://tria.ge/reports/230224-bnyepshf98/
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 use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Lokibot
Malware Config
C2 Extraction:
http://208.67.105.148/okuma/five/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81cfae743033/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Lokibot
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/81cfae743033e3f1584136c555591f2737b1171da71b1e207525cd02bca02709

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.

Web download

Loki

Rich Text Format (RTF) rtf 81cfae743033e3f1584136c555591f2737b1171da71b1e207525cd02bca02709

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2549739/

Comments


Avatar
zbet commented on 2023-02-24 01:17:24 UTC

url : hxxp://212.87.204.200/O0-O.doc