MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f68432c8c109e52980cef46236114266c97a5791808053b07a943d7686f8f55. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 6f68432c8c109e52980cef46236114266c97a5791808053b07a943d7686f8f55
SHA3-384 hash: ba0ac0431629bd84cc06a8fa1677c4d73d1bcc5e07278c5752b1603558e1a8c93eb04c915bc327c140f7d7641e5c0536
SHA1 hash: 54ccf49aaf860ab2531b37dd38adc0273b6f2551
MD5 hash: dd41f88e3d53755f0aa1318bf473d08b
humanhash: east-fourteen-arkansas-uniform
File name:MV NAGOYA TRADER.xlsx
Download: download sample
Signature Loki
File size:2'653'184 bytes
First seen:2020-12-21 06:38:20 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 49152:7ypWkhzJao3Wmqugef4weOPWP2hMpNm1NBaw3ZraPJSx6JSutUcZYVg:mzmm1g1weOJyp+rE8x6JPUTg
TLSH 00C5333AEDD24F62D1AD88B569C3CD7C0475DC04668A4D4222ACB3A4B377B316A9B70D
Reporter @abuse_ch
Tags:Loki VelvetSweatshop xlsx


Twitter
@abuse_ch
Malspam distributing unidentified malware:

HELO: nawadwipa.com
Sending IP: 202.157.176.210
From: IFB International Freightbridge Ltd. <reservation@klikbalitours.com>
Subject: Port agency appointment - MV NAGOYA TRADER
Attachment: MV NAGOYA TRADER.xlsx

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 id
Application name is unknown
Office document is in OLE format
Office document is in encrypted
OLE dump
Sections: 6
Detection: VelvetSweatshop

The following OLE sections have been found using oledump:

Section IDSection sizeSection name
164 bytesDataSpaces/DataSpaceInfo/StrongEncryptionDataSpace
2112 bytesDataSpaces/DataSpaceMap
3200 bytesDataSpaces/TransformInfo/StrongEncryptionTransform/Primary
476 bytesDataSpaces/Version
52628408 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
123
Origin country :
US US
Mail intelligence
Gathering data
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MV NAGOYA TRADER.xlsx
Verdict:
Malicious activity
Analysis date:
2020-12-21 06:47:28 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader lokibot stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
DNS request
Creating a file
Reading critical registry keys
Launching a service
Changing a file
Replacing files
Creating a file in the %AppData% subdirectories
Deleting a recently created file
Moving a file to the %AppData% subdirectory
Enabling the 'hidden' option for recently created files
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Connection attempt to an infection source
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Sending an HTTP POST request to an infection source
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects in Encrypted Excel File
Alert level:
10.5%
Document image
Document image
Result
Gathering data
Result
Threat name:
Lokibot
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Binary contains a suspicious time stamp
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the user root directory
Found C&C like URL pattern
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 document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
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 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 AntiVM_3
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 332678 Sample: MV NAGOYA TRADER.xlsx Startdate: 21/12/2020 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Multi AV Scanner detection for domain / URL 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 19 other signatures 2->37 7 EQNEDT32.EXE 12 2->7         started        12 EXCEL.EXE 37 17 2->12         started        process3 dnsIp4 29 chnesstdyqudusisabadassniggainthestfmv.ydns.eu 103.141.138.119, 49167, 80 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 7->29 21 C:\Users\user\AppData\...\svchost[1].exe, PE32 7->21 dropped 23 C:\Users\Public\vbc.exe, PE32 7->23 dropped 47 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->47 14 vbc.exe 1 5 7->14         started        25 C:\Users\user\...\~$MV NAGOYA TRADER.xlsx, data 12->25 dropped file5 signatures6 process7 signatures8 49 Multi AV Scanner detection for dropped file 14->49 51 Detected unpacking (changes PE section rights) 14->51 53 Detected unpacking (overwrites its own PE header) 14->53 55 3 other signatures 14->55 17 vbc.exe 54 14->17         started        process9 dnsIp10 27 begadi.ga 185.193.143.118, 49168, 49169, 49170 DIGITALENERGY-ASRU Russian Federation 17->27 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->39 41 Tries to steal Mail credentials (via file access) 17->41 43 Tries to harvest and steal ftp login credentials 17->43 45 Tries to harvest and steal browser information (history, passwords, etc) 17->45 signatures11
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2020-12-21 01:59:21 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot spyware stealer trojan
Behaviour
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
Checks processor information in registry
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://begadi.ga/chud/gate.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

YARA Signatures


MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.

Rule name:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
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.

Malspam

Loki

Excel file xlsx 6f68432c8c109e52980cef46236114266c97a5791808053b07a943d7686f8f55

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments