MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 721339a36ab621f9aac5fb09e8e10d37e51149fddfd0d24f10b6761a45f456db. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: 721339a36ab621f9aac5fb09e8e10d37e51149fddfd0d24f10b6761a45f456db
SHA3-384 hash: 144013160ea1b598e8ba1b53c7305b3df11ad62fb25aa37f57fcc064e28fc02474b858c78b62e29188aec356b152abd1
SHA1 hash: 5bc511117f7a0fa74b864d2c7df1b7b547583434
MD5 hash: 71fffc7d15f4c34476a1d0db1d7a9ff3
humanhash: zulu-pennsylvania-spring-winner
File name:71fffc7d15f4c34476a1d0db1d7a9ff3.rtf
Download: download sample
Signature Loki
File size:12'245 bytes
First seen:2021-04-15 19:18:54 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:YCumHrYW6W/0SjVoK4AC2iOQ+zg8Gg62+4pNb126pb2NezXLMey4DmKYmx0hJcIz:rd0W6/+qAjfzgc62HYQz7MePiKYQ0hyc
TLSH 6E427DA0DEA8DE688B1E8167067EBC4C493570BD53E25AF03CCCE6E92757E095B31418
Reporter abuse_ch
Tags:CVE-2017-11882 Loki rtf

Intelligence


File Origin
# of uploads :
1
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
xxxvirus.docx
Verdict:
Malicious activity
Analysis date:
2021-04-15 05:14:00 UTC
Tags:
generated-doc opendir loader exploit CVE-2017-11882

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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Creating a file
Sending an HTTP GET request
Launching a file downloaded from the Internet
Creating a process from a recently created file
Result
Verdict:
MALICIOUS
Result
Threat name:
Lokibot
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Found malware configuration
Injects a PE file into a foreign processes
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 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 (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 access)
Tries to steal Mail credentials (via file registry)
Yara detected AntiVM3
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 388415 Sample: GCvfEfu3QG.rtf Startdate: 16/04/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 14 other signatures 2->43 7 EQNEDT32.EXE 12 2->7         started        12 WINWORD.EXE 336 18 2->12         started        14 EQNEDT32.EXE 2->14         started        process3 dnsIp4 29 172.245.45.28, 49165, 80 AS-COLOCROSSINGUS United States 7->29 23 C:\Users\user\AppData\Local\...\nd[1].exe, PE32 7->23 dropped 25 C:\Users\Public\vbc.exe, PE32 7->25 dropped 53 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->53 16 vbc.exe 7->16         started        file5 signatures6 process7 signatures8 31 Multi AV Scanner detection for dropped file 16->31 33 Tries to steal Mail credentials (via file registry) 16->33 35 Injects a PE file into a foreign processes 16->35 19 vbc.exe 54 16->19         started        process9 dnsIp10 27 51.195.53.221, 49166, 49167, 49168 OVHFR France 19->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->45 47 Tries to steal Mail credentials (via file access) 19->47 49 Tries to harvest and steal ftp login credentials 19->49 51 Tries to harvest and steal browser information (history, passwords, etc) 19->51 signatures11
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-04-14 01:06:58 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
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
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Executes dropped EXE
Lokibot
Malware Config
C2 Extraction:
http://51.195.53.221/p.php/NsLsWZMAWJWW1
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Please note that we are no longer able to provide a coverage score for Virus Total.

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

Loki

Rich Text Format (RTF) rtf 721339a36ab621f9aac5fb09e8e10d37e51149fddfd0d24f10b6761a45f456db

(this sample)

  
Delivery method
Distributed via web download

Comments