MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f03975037aad5dc3a412ad52637cc7b277dbbbb52ded1cbb3b176dcdc8edfec4. 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:	f03975037aad5dc3a412ad52637cc7b277dbbbb52ded1cbb3b176dcdc8edfec4
SHA3-384 hash:	9f4a6c1870aa2c28471184487e50944ff52be996508cefe9c4d321377dac8c4d831b74c9840b22821bbcdc21a5889aef
SHA1 hash:	a51fb29ed10f2f9f4b43b054a1f8f9d21c073480
MD5 hash:	a3c456c5f2d0f19d01f5b54d9ee98eaf
humanhash:	winner-cat-sierra-moon
File name:	payment advice.xlsx
Download:	download sample
Signature	Loki Alert Create hunting rule
File size:	378'264 bytes
First seen:	2021-10-21 06:11:46 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/encrypted
ssdeep	6144:7a64RQc6vDptM9aWp/0dFKwFNXebwyCH//ws4pI+yaVFfkrj/vU0Y61CJPDG:1bcIDpP+MswFNXebCQs4QaIrDsFtbG
TLSH	T14C84D069B093EA89D1C7D5B6C5BC00E216A7CF58AAD988DDA144B36DF2F13DF080F911
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	370584 bytes	EncryptedPackage
6	224 bytes	EncryptionInfo

Intelligence

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File Origin

# of uploads :

1

# of downloads :

180

Origin country :

n/a

Vendor Threat Intelligence

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/198975/

ClamAV Detected

Detection(s):

PUA.Doc.Packed.EncryptedDoc-6563700-0

Alert

Create hunting rule

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Embedding Objects in Encrypted Excel File

Link:

https://app.docguard.net/f03975037aad5dc3a412ad52637cc7b277dbbbb52ded1cbb3b176dcdc8edfec4/results/dashboard

Document image

Image:

Download PNG

FileScan.IO Unknown

Verdict:

Unknown

Threat level:

  0/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/617104b6db358dd15ecc18a2/reports/4dc24cfa-195f-41fe-82ba-78fdb4632154/overview

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/874361

Signature

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Drops PE files to the user root directory

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 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

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

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 AntiVM3

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/f03975037aad5dc3a412ad52637cc7b277dbbbb52ded1cbb3b176dcdc8edfec4/

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

Threat name:

Document-Office.Exploit.CVE-2017-11882

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-10-20 13:53:02 UTC

AV detection:

15 of 27 (55.56%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6a4xka32vvo4hjasvvjgg7ghwj35xo5vfxwrzoz3c5w43shn73ca._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/211021-gx7ydshhe6/

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

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://checkvim.com/ga17/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.

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 f03975037aad5dc3a412ad52637cc7b277dbbbb52ded1cbb3b176dcdc8edfec4

(this sample)

  

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/198975/

Comments

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