MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 667659ec54de7ba19f80b9f80cbb0ef507115e8882c8af51e06bdf4d3407863f. 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 File information Comments

SHA256 hash: 667659ec54de7ba19f80b9f80cbb0ef507115e8882c8af51e06bdf4d3407863f
SHA3-384 hash: 206d8814a50047450b3dd6f75378cdbdbd1f73ff15bca9401a480bbc30dd4a6bc2e115d0bd6278a29a12f9b32edc8153
SHA1 hash: 70841b55390aadd05fee7d027d5c37436fbdcabf
MD5 hash: 9339be8f2e3926ace3180a2043cc1af0
humanhash: william-batman-lactose-moon
File name:RevisedXinvoiceX2.xlsx
Download: download sample
Signature Loki
File size:194'952 bytes
First seen:2021-09-22 07:11:05 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 3072:AkURwpvSq0s62dqKjkOxcXk+qFTD9guuHiUBs99gl0g4aMkPhE/62EeNvohKvL/:Abqr0s62dqSekPhD9guuCBil0g4iPe64
TLSH T1F214BC7F28EDBAF6F9857A3A07B0D2AE1555BC59E5A554BBD834730ACC38E7140C3402
Reporter ankit_anubhav
Tags:CVE-2017-11882 Loki 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 dump
Detection: VelvetSweatshop

MalwareBazaar was able to identify 6 sections in this file using oledump:

Section IDSection sizeSection name
164 bytesDataSpaces/DataSpaceInfo/StrongEncryptionDataSpace
2112 bytesDataSpaces/DataSpaceMap
3208 bytesDataSpaces/TransformInfo/StrongEncryptionTransform/Primary
476 bytesDataSpaces/Version
5188808 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects in Encrypted Excel File
Document image
Document image
Result
Verdict:
MALICIOUS
Details
Macro Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
Lokibot
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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: Execution from Suspicious Folder
Sigma detected: File Dropped By EQNEDT32EXE
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: 487821 Sample: RevisedXinvoiceX2.xlsx Startdate: 22/09/2021 Architecture: WINDOWS Score: 100 32 Multi AV Scanner detection for domain / URL 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 15 other signatures 2->38 7 EQNEDT32.EXE 12 2->7         started        12 EXCEL.EXE 33 21 2->12         started        process3 dnsIp4 30 46.183.223.81, 49167, 80 DATACLUBLV Latvia 7->30 24 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 7->24 dropped 26 C:\Users\Public\vbc.exe, PE32 7->26 dropped 48 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->48 14 vbc.exe 7->14         started        file5 signatures6 process7 signatures8 50 Tries to steal Mail credentials (via file registry) 14->50 52 Machine Learning detection for dropped file 14->52 54 Injects a PE file into a foreign processes 14->54 17 vbc.exe 54 14->17         started        process9 dnsIp10 28 checkvim.com 185.251.89.218, 49168, 49169, 49170 SPRINTHOSTRU Russian Federation 17->28 22 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 17->22 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->40 42 Tries to steal Mail credentials (via file access) 17->42 44 Tries to harvest and steal ftp login credentials 17->44 46 Tries to harvest and steal browser information (history, passwords, etc) 17->46 file11 signatures12
Threat name:
Document-OLE.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-09-22 07:12:14 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot spyware stealer suricata trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Lokibot
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Malware Config
C2 Extraction:
http://checkvim.com/ga11/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
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments