MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 422db8f19b1bf50347640398bf997bd31546e38ef3b0bc9f9cf3fcf3b3e9f8f2. 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:	422db8f19b1bf50347640398bf997bd31546e38ef3b0bc9f9cf3fcf3b3e9f8f2
SHA3-384 hash:	c1e9b7af49239d1027a0442f5bdc5ced8905cee3ce59527b4b425cd133e54b0506310302f25ef9a3dbde7142abb309c9
SHA1 hash:	813923b0c54f1f06256c529045047568cb48de49
MD5 hash:	f366fbdb2f68cb8d8876163342678d41
humanhash:	friend-early-hot-december
File name:	99.xlsx
Download:	download sample
Signature	AZORult Alert Create hunting rule
File size:	234'392 bytes
First seen:	2021-12-08 15:37:26 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/encrypted
ssdeep	6144:NfnIP+Hfy4PZV6r80qlAstvEzcZ+rJ/MDbAqf:NPVnU80qmstacZ+RMDbAm
TLSH	T1E33412E2BAA66108FE3215F8C4B588245A6BFCB514B0D2D7F2D6BC3CD1B8F175426325
Reporter	abuse_ch
Tags:	AZORult CVE-2017-11882 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	227736 bytes	EncryptedPackage
6	224 bytes	EncryptionInfo

Intelligence

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File Origin

# of uploads :

1

# of downloads :

299

Origin country :

n/a

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

99.xlsx

Verdict:

Malicious activity

Analysis date:

2021-12-08 21:18:01 UTC

Tags:

encrypted opendir exploit CVE-2017-11882 loader

Link:

https://app.any.run/tasks/f42c8929-c088-4320-a982-c29119e4a18d

Note:

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

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/212532/

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

DNS request

Sending a custom TCP request

Creating a window

Searching for synchronization primitives

Launching a process

Creating a file

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/422db8f19b1bf50347640398bf997bd31546e38ef3b0bc9f9cf3fcf3b3e9f8f2/results/dashboard

Document image

Image:

Download PNG

FileScan.IO Suspicious

Verdict:

Suspicious

Threat level:

  5/10

Confidence:

100%

Tags:

embedequation exploit packed shellcode VelvetSweatshop

Link:

https://www.filescan.io/uploads/61b0d15e4d8e6f3a5e19af93/reports/1630d08c-6341-4edd-946a-63e68607ca09/overview

Joe Sandbox Azorult

Result

Threat name:

Azorult

Alert

Create hunting rule

Detection:

malicious

Classification:

phis.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/904054

Signature

.NET source code contains potential unpacker

Drops PE files to the user root directory

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

Tries to harvest and steal Bitcoin Wallet information

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 Crypto Currency Wallets

Tries to steal Instant Messenger accounts or passwords

Tries to steal Mail credentials (via file / registry access)

Yara detected AntiVM3

Yara detected Azorult

Yara detected Azorult Info Stealer

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/422db8f19b1bf50347640398bf997bd31546e38ef3b0bc9f9cf3fcf3b3e9f8f2/

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

Threat name:

Document-OLE.Exploit.CVE-2017-11882

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-12-09 05:15:48 UTC

File Type:

Document

Extracted files:

51

AV detection:

16 of 28 (57.14%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=iiw3r4m3dp2qgr3eaoml7gl32mkuny4o6oylzh446p6phm7j7dza._file

Hatching Triage azorult

Result

Malware family:

azorult

Alert

Create hunting rule

Score:

  10/10

Tags:

family:azorult collection discovery infostealer spyware stealer suricata trojan

Link:

https://tria.ge/reports/211208-s22sqahdem/

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 behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Loads dropped DLL

Reads data files stored by FTP clients

Reads local data of messenger clients

Reads user/profile data of local email clients

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

Azorult

suricata: ET MALWARE AZORult v3.3 Server Response M3

suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M5

Malware Config

C2 Extraction:

http://elvincom.com/Nmp09/index.php

VirusTotal

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

YOROI YOMI Malicious File

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/422db8f19b1bf50347640398bf997bd31546e38ef3b0bc9f9cf3fcf3b3e9f8f2

File information

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

Malspam

AZORult

xlsx 422db8f19b1bf50347640398bf997bd31546e38ef3b0bc9f9cf3fcf3b3e9f8f2

(this sample)

  

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/212532/

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