MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5537b7d160727e6ab50018ab28ceb7c79e15f1dd3e5914cea77be78bac9d8f21. 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:	5537b7d160727e6ab50018ab28ceb7c79e15f1dd3e5914cea77be78bac9d8f21
SHA3-384 hash:	455f4c6aa0ebebbc8e4b6458170ce1d2118e37916efc0257569dcc6ea06baf02555347c163a8dc552137b8343fd93e33
SHA1 hash:	1840ed7604a34a123ca3d094766e8854031d5611
MD5 hash:	e3ac207f3ed06b0e3a2d4e65469a130a
humanhash:	alanine-mockingbird-bravo-dakota
File name:	მოთხოვნა 04-04-2022.xlsx
Download:	download sample
Signature	Loki Alert Create hunting rule
File size:	192'168 bytes
First seen:	2022-04-04 12:29:50 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/encrypted
ssdeep	3072:u7Xpexu35oinTAILiZ26HLm8GYjAT9vp8zU2n7hDliP+nBMjJF91nQjT+pxIg:8p5nTAOis6KFYjYu3tliPeBjE
TLSH	T11F1412367E0EC356F80D0EB45ED16E392971FE22DC24AD42CAE97B63D5309390DC529A
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	185512 bytes	EncryptedPackage
6	224 bytes	EncryptionInfo

Intelligence

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File Origin

# of uploads :

1

# of downloads :

211

Origin country :

n/a

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

SOLICITUD DE OFERTA 04.04.2022.xlsx

Verdict:

Malicious activity

Analysis date:

2022-04-04 19:11:00 UTC

Tags:

encrypted trojan opendir

Link:

https://app.any.run/tasks/7e5dd44d-c063-4674-85c9-ebbce25de4c5

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/260572/

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

Reading critical registry keys

Changing a file

Creating a file in the %AppData% subdirectories

Moving a file to the %AppData% subdirectory

Enabling the 'hidden' option for recently created files

Stealing user critical data

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

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Embedding Objects in Encrypted Excel File

Link:

https://app.docguard.net/5537b7d160727e6ab50018ab28ceb7c79e15f1dd3e5914cea77be78bac9d8f21/results/dashboard

Document image

Image:

Download PNG

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

embedequation exploit greyware shellcode VelvetSweatshop

Link:

https://www.filescan.io/uploads/624ae4ce40ce5db9f402c71a/reports/878e8c0c-41dc-465a-9280-97caa2c6859e/overview

inlyse Malware.AI Malicious

Label:

Malicious

Suspicious Score:

9.9/10

Score Malicious:

1%

Score Benign:

0%

Link:

https://www.malware.ai/gui/files/?id=7844d9ae-6bf1-434f-90bc-5610823e6923

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/5537b7d160727e6ab50018ab28ceb7c79e15f1dd3e5914cea77be78bac9d8f21

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/970131

Signature

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

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

Sigma detected: Suspicious Program Location with Network Connections

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/5537b7d160727e6ab50018ab28ceb7c79e15f1dd3e5914cea77be78bac9d8f21/

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

Threat name:

Document-OLE.Exploit.CVE-2017-11882

Alert

Create hunting rule

Status:

Malicious

First seen:

2022-04-04 12:30:09 UTC

File Type:

Document

Extracted files:

51

AV detection:

14 of 41 (34.15%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ku33pulaoj7gvniadcvsrtvxy6pbl4o5hzmrjtvhpptyxle5r4qq._file

Hatching Triage lokibot

Result

Malware family:

lokibot

Alert

Create hunting rule

Score:

  10/10

Tags:

family:lokibot collection spyware stealer suricata trojan

Link:

https://tria.ge/reports/220404-ppf4psabgn/

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 FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

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

suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)

suricata: ET MALWARE MSIL/GenKryptik.FQRH Download Request

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

Malware Config

C2 Extraction:

http://164.90.194.235/?id=10618622797291512
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php

VMRay Lokibot

Malware family:

Lokibot

Alert

Create hunting rule

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/5537b7d16072/report/overview.html

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/5537b7d160727e6ab50018ab28ceb7c79e15f1dd3e5914cea77be78bac9d8f21

File information

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

Cape

https://www.capesandbox.com/analysis/260572/

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