MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfa8b153806e2d07f8a83bb711b9a3f1e1d357118922143f0473df89eff4e20c. 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:	cfa8b153806e2d07f8a83bb711b9a3f1e1d357118922143f0473df89eff4e20c
SHA3-384 hash:	af368d82e4cb5dcad95a2b88aded048ef5a52a44ea125e938b5cb88ad13c200a1fc345ba41923b289a5398b0b6ce763b
SHA1 hash:	207483821e0a2534ef84fdf4e9e5cc079181b274
MD5 hash:	81f2eec2fd6512f6012f2f24639e5da1
humanhash:	failed-chicken-white-steak
File name:	Payment-request282.xlsx
Download:	download sample
Signature	Loki Alert Create hunting rule
File size:	191'464 bytes
First seen:	2022-03-01 07:46:19 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/encrypted
ssdeep	3072:Fuc8DQd6cwbBGrPTAy3rf4fKCx3w+KCtp3wS5Gw8pxQ6GD:oe1wbBGTTLf4SCRw+N1wS51AGD
TLSH	T11814024C7B9CA4A9D6636DFE40571EE87742FC3CE40CCA0E9565324FC3BA6419F648A8
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	184808 bytes	EncryptedPackage
6	224 bytes	EncryptionInfo

Intelligence

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File Origin

# of uploads :

1

# of downloads :

149

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/245592/

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

Sending a custom TCP request

Creating a window

Searching for synchronization primitives

Launching a process

Creating a file

Сreating synchronization primitives

Sending an HTTP GET request

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/cfa8b153806e2d07f8a83bb711b9a3f1e1d357118922143f0473df89eff4e20c/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/621dcf7bb94fb38cb42c53cc/reports/cfbb4ec6-9618-4976-b852-7dea88c4a802/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=646b1b81-7b05-452e-b321-435342f22703

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/cfa8b153806e2d07f8a83bb711b9a3f1e1d357118922143f0473df89eff4e20c

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/948203

Signature

Antivirus detection for URL or domain

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

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

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/cfa8b153806e2d07f8a83bb711b9a3f1e1d357118922143f0473df89eff4e20c/

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

Threat name:

Document-Office.Exploit.CVE-2017-11882

Alert

Create hunting rule

Status:

Malicious

First seen:

2022-03-01 00:11:55 UTC

File Type:

Document

Extracted files:

50

AV detection:

19 of 43 (44.19%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=z6ulcu4anywqp6fiho3rdond6hq5gvyrrerbipyeoppyt37u4iga._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/220301-jmlzaaaebq/

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

NSIS installer

Enumerates physical storage devices

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

suricata: ET MALWARE LokiBot Checkin

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://hstfurnaces.net/gd18/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/cfa8b153806e2d07f8a83bb711b9a3f1e1d357118922143f0473df89eff4e20c

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 cfa8b153806e2d07f8a83bb711b9a3f1e1d357118922143f0473df89eff4e20c

(this sample)

  

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/245592/

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