MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b81ab749a594612a4d18813627b1f08aafa332e09521bd143461052614b6262b. 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 File information Comments

SHA256 hash: b81ab749a594612a4d18813627b1f08aafa332e09521bd143461052614b6262b
SHA3-384 hash: 772b84f0f8018a697b4d1000445f2f022e8d24e9736b0b3b2edbb6c3cf59f52f6bb88656f48e034e6d75f23e93f747ea
SHA1 hash: 8875b3c7dbf066d4fad93c79f212aa12acaedf82
MD5 hash: b2ddcb7e038eda725b9bdae5b5b97dfc
humanhash: chicken-autumn-seventeen-tango
File name:TT COPY.xlsx
Download: download sample
Signature Loki
File size:1'291'264 bytes
First seen:2021-08-25 05:30:47 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 24576:d+LQ8ZfXHblZozyuDba0RHKieE63HDavVU7fp6I4WueAI+0:Cf7luzyuDe0Zw2vVY4Lhm
TLSH T1A455122270834E98E455B6B40A0918B43116FD98D731B64A597F72E2293DE30FEEBF1D
Reporter abuse_ch
Tags:CVE-2017-11882 Loki VelvetSweatshop 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
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
3200 bytesDataSpaces/TransformInfo/StrongEncryptionTransform/Primary
476 bytesDataSpaces/Version
51277400 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT COPY.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-25 05:35:59 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan 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
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a file
Sending a UDP request
Connection attempt to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
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
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Found malware configuration
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 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
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-08-24 20:28:48 UTC
AV detection:
15 of 46 (32.61%)
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 behavior: MapViewOfSection
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 LokiBot Checkin
suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Malware Config
C2 Extraction:
http://brokenislegion.ml/BN22/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