MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11e061e90a3ebac7a4478eaf00941612355d7c10a510c5100f3d5a6689950787. 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: 11e061e90a3ebac7a4478eaf00941612355d7c10a510c5100f3d5a6689950787
SHA3-384 hash: 47b5bd609f53a77a946234b7eb7353348e9029e4a918295033ce9edb53aafba2bf00d43345b2651816da21a02f88791e
SHA1 hash: 57b6810605996a7476e01428bc1cf2b1d078c129
MD5 hash: 3e4c88072d1b2be5fb2b8798569e12a4
humanhash: december-gee-indigo-montana
File name:Richiesta offerta 030321.xlsx
Download: download sample
Signature Loki
File size:2'594'816 bytes
First seen:2021-03-03 17:14:38 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 49152:iYCt6TcsRjhaV8KxwDswpoosyDK0T8eLiDbPUFN+E9HfMTsODU+51Qcw2cqMC+gw:tZDFaVLm3RBAeODbyNt5EQODUqMUiGo
TLSH 3CC5336BEAC9EF85C13C01B5028FCA3C12565C177A844E2F371DFA14A2BE6F016655EE
Reporter abuse_ch
Tags:CVE-2017-11882 Loki VelvetSweatshop xlsx


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mout.kundenserver.de
Sending IP: 212.227.17.10
From: Valentina MOTTERLINI <v.motterlini@montval.it>
Subject: Fwd: I: Richiesta offerta 03/03/21
Attachment: Richiesta offerta 030321.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
52570552 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Richiesta offerta 030321.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-03 17:22:46 UTC
Tags:
encrypted trojan exploit CVE-2017-11882 loader covid19 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
Sending an HTTP GET request
Launching a file downloaded from the Internet
Stealing user critical data
Connection attempt to an infection source
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
Payload URLs
URL
File name
http://www.day.com/dam/1.0
Microsoft_Office_Word_Macro-Enabled_Document1.docm
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:
spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files to the user root directory
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: 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 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 aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-03-03 11:10:23 UTC
AV detection:
11 of 29 (37.93%)
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 use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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/Kho3RZUGIcDWc
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: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 11e061e90a3ebac7a4478eaf00941612355d7c10a510c5100f3d5a6689950787

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments