MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4f4c35d537599a5c643f314d9cfe7a7ac0fdb575280240fd76251018a788cdb. 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

SHA256 hash:	e4f4c35d537599a5c643f314d9cfe7a7ac0fdb575280240fd76251018a788cdb
SHA3-384 hash:	d60b4ca1e17b79ece51551679cacad4758cf9c324ff1506f71a2afe0c8b53e2b71a77fcd523ee679afa769f67f2b67a4
SHA1 hash:	88f7dada634c6251183030e0fcca9176258ef486
MD5 hash:	3efab678b11336c8edffa4140bdcffe8
humanhash:	mountain-don-summer-equal
File name:	_PreAlert_YMLUW120522667.xlsx
Download:	download sample
Signature	Loki Alert Create hunting rule
File size:	191'736 bytes
First seen:	2022-02-22 07:21:49 UTC
Last seen:	2022-02-22 11:54:31 UTC
File type:	xlsx
MIME type:	application/encrypted
ssdeep	3072:8O4bC7r5u1LLdppORd1jjPrx3MxBJE36IldhjX04HFIa4XCc28rAGUGtB9h7nEF:l4+7g1fYd13Pr0zu6Ill149rAGUI7EF
TLSH	T1B414125D7F4FB65CCDC3897829C383AF49E89D828AC154CF76983610A4759DB3C3922A
Reporter	abuse_ch
Tags:	CVE-2017-11882 Loki VelvetSweatshop xlsx

Office OLE Information

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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 ID	Section size	Section name
1	64 bytes	DataSpaces/DataSpaceInfo/StrongEncryptionDataSpace
2	112 bytes	DataSpaces/DataSpaceMap
3	208 bytes	DataSpaces/TransformInfo/StrongEncryptionTransform/Primary
4	76 bytes	DataSpaces/Version
5	185080 bytes	EncryptedPackage
6	224 bytes	EncryptionInfo

Intelligence

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File Origin

# of uploads :

3

# of downloads :

141

Origin country :

n/a

Vendor Threat Intelligence

BitDam Malicious

Verdict:

Malicious

File type:

application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Has a screenshot:

False

Contains macros:

False

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/243139/

ClamAV Detected

Detection(s):

PUA.Doc.Packed.EncryptedDoc-6563700-0

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Searching for synchronization primitives

Launching a process

Creating a file

Сreating synchronization primitives

Creating a file in the %temp% directory

Moving a file to the %AppData% subdirectory

Enabling the 'hidden' option for recently created files

Unauthorized injection to a recently created process

Sending an HTTP GET request to an infection source by exploiting the app vulnerability

Creating a process from a recently created file

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Embedding Objects in Encrypted Excel File

Link:

https://app.docguard.net/e4f4c35d537599a5c643f314d9cfe7a7ac0fdb575280240fd76251018a788cdb/results/dashboard

Document image

Image:

Download PNG

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

control.exe embedequation exploit shell32.dll shellcode VelvetSweatshop

Link:

https://www.filescan.io/uploads/62148f24875593a3cc012e6c/reports/278dd5a7-f66a-489d-a9bb-59a962fcc09c/overview

inlyse Malware.AI Malicious

Label:

Malicious

Suspicious Score:

9.8/10

Score Malicious:

99%

Score Benign:

1%

Link:

https://www.malware.ai/gui/files/?id=269d083e-3e7d-4a16-b004-4079c5e0d670

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/e4f4c35d537599a5c643f314d9cfe7a7ac0fdb575280240fd76251018a788cdb

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.

Joe Sandbox Lokibot

Result

Threat name:

Lokibot

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/943707

Signature

C2 URLs / IPs found in malware configuration

Drops PE files to the user root directory

Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)

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

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: Execution from Suspicious Folder

Sigma detected: File Dropped By EQNEDT32EXE

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 / registry access)

Tries to steal Mail credentials (via file registry)

Yara detected aPLib compressed binary

Yara detected Lokibot

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB lokibot

Detection:

lokibot

Alert

Create hunting rule

Link:

https://mwdb.cert.pl/sample/e4f4c35d537599a5c643f314d9cfe7a7ac0fdb575280240fd76251018a788cdb/

ReversingLabs TitaniumCloud Document-OLE.Exploit.CVE-2017-11882

Threat name:

Document-OLE.Exploit.CVE-2017-11882

Alert

Create hunting rule

Status:

Malicious

First seen:

2022-02-22 07:22:14 UTC

File Type:

Document

Extracted files:

51

AV detection:

14 of 27 (51.85%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=4t2mgxktowm2lrsd6mkntt7hu6wa7w2xkkacid6xmjiqdctyrtnq._file

Hatching Triage lokibot

Result

Malware family:

lokibot

Alert

Create hunting rule

Score:

  10/10

Tags:

family:lokibot collection spyware stealer trojan

Link:

https://tria.ge/reports/220222-h7albaeae2/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Launches Equation Editor

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

NSIS installer

Enumerates physical storage devices

Drops file in Windows directory

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Loads dropped DLL

Reads user/profile data of web browsers

Uses the VBS compiler for execution

Blocklisted process makes network request

Downloads MZ/PE file

Executes dropped EXE

Lokibot

Malware Config

C2 Extraction:

http://dieselloil.buzz/bobby/five/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

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Lokibot

Threat name:

Lokibot

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/e4f4c35d537599a5c643f314d9cfe7a7ac0fdb575280240fd76251018a788cdb

File information

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

Malspam

Loki

xlsx e4f4c35d537599a5c643f314d9cfe7a7ac0fdb575280240fd76251018a788cdb

(this sample)

  

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/243139/

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