MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cd5b74e558ebd50c6529a9d8c0075aba067e6867f99a90a8152979f69ad9f68. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cd5b74e558ebd50c6529a9d8c0075aba067e6867f99a90a8152979f69ad9f68
SHA3-384 hash: 5cf0071dff1a47db35f6d75c7d997934f771f44eba1912949ad5a2b9e4e1a11e2a1610c2418e3ccc50d0adc26bcbd44a
SHA1 hash: 4053e61fb55ded62fad3758733b32a8217f3e758
MD5 hash: 01a61f8646cf09a907c9876b2a3f0227
humanhash: music-september-twelve-uranus
File name:01a61f8646cf09a907c9876b2a3f0227.rtf
Download: download sample
Signature Loki
Create hunting rule
File size:7'788 bytes
First seen:2020-11-05 15:13:17 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:rzV4Ec23mcLLKynX5Yrq0XJi1a5+nS6lol4LaChTH:rzl93KyXofXJCWd6lomdhTH
TLSH 22F15C206E883D6AEB360A584A2CBAAC415DFCAF07D765B536DCFF733B225056B51408
Reporter abuse_ch
Tags:CVE-2017-11882 Loki rtf

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE dump

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Launching a file downloaded from the Internet
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
MALICIOUS
Result
Threat name:
Lokibot
Create hunting rule
Detection:
malicious
Classification:
spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/521642
Signature
Drops or copies cmd.exe with a different name (likely to bypass HIPS)
Drops PE files to the user root directory
Hijacks the control flow in another process
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Program Location Process Starts
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
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: 309938 Sample: b6GeD5SNUO.rtf Startdate: 05/11/2020 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 12 other signatures 2->55 8 EQNEDT32.EXE 12 2->8         started        13 WINWORD.EXE 336 18 2->13         started        15 EQNEDT32.EXE 2->15         started        process3 dnsIp4 43 crestmart.ga 91.203.193.242, 49165, 49166, 49167 GARANT-PARK-INTERNETRU Russian Federation 8->43 45 kregmartlime.ga 8->45 37 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 8->37 dropped 39 C:\Users\Public\vbc.exe, PE32 8->39 dropped 65 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->65 17 vbc.exe 62 8->17         started        file5 signatures6 process7 file8 29 C:\Users\user\AppData\...\PuppetBedouin.dll, PE32 17->29 dropped 31 C:\Users\user\AppData\...\vdtflavuil.dll, PE32 17->31 dropped 33 C:\Users\user\AppData\...\spcustom.dll, PE32 17->33 dropped 35 9 other files (none is malicious) 17->35 dropped 57 Multi AV Scanner detection for dropped file 17->57 21 rundll32.exe 17->21         started        signatures9 process10 signatures11 59 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 21->59 61 Hijacks the control flow in another process 21->61 63 Maps a DLL or memory area into another process 21->63 24 cmd.exe 55 21->24         started        process12 dnsIp13 47 crestmart.ga 24->47 41 C:\Users\user\AppData\Roaming\...\5879F5.exe, PE32 24->41 dropped 67 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 24->67 69 Tries to steal Mail credentials (via file registry) 24->69 71 Tries to harvest and steal browser information (history, passwords, etc) 24->71 73 Drops or copies cmd.exe with a different name (likely to bypass HIPS) 24->73 file14 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cd5b74e558ebd50c6529a9d8c0075aba067e6867f99a90a8152979f69ad9f68/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-11-05 03:46:25 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rtk3otsvr26vbrsstkoyyadvvoqgpzugp6m2scubkklz62nnt5ua._file
Result
Malware family:
lokibot
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Score:
  10/10
Tags:
family:lokibot spyware stealer trojan
Link:
https://tria.ge/reports/201105-ncf2zr7me2/
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
NSIS installer
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Loads dropped DLL
Uses the VBS compiler for execution
Blacklisted process makes network request
Executes dropped EXE
Lokibot
Malware Config
C2 Extraction:
http://crestmart.ga/main/config/emma/temp.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
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
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
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

Loki

Rich Text Format (RTF) rtf 8cd5b74e558ebd50c6529a9d8c0075aba067e6867f99a90a8152979f69ad9f68

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/788959/
  
Delivery method
Distributed via web download

Comments