Automated Malware Analysis IOC Report for

Files

File Path

Type

Processes

Path

Cmdline

Malicious

C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE

'C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE' -Embedding

Details

Is windows:	true
Is dropped:	false
PID:	1484
Target ID:	2
Parent PID:	596
Name:	EQNEDT32.EXE
Path:	C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
Commandline:	'C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE' -Embedding
Size:	543304
MD5:	A87236E214F6D42A65F5DEDAC816AEC8
Time:	06:50:35
Date:	28/09/2021
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0x400000
Modulesize:	581632
Wow64:	true

Signature Hits	Behavior Group	Mitre Attack
Sigma detected: Droppers Exploiting CVE-2017-11882	System Summary
Sigma detected: EQNEDT32.EXE connecting to internet	Exploits
Sigma detected: File Dropped By EQNEDT32EXE	Exploits
Sigma detected: Execution from Suspicious Folder	System Summary
Office Equation Editor has been started	Exploits
Spawns processes	System Summary	Process Injection

C:\Users\Public\vbc.exe

'C:\Users\Public\vbc.exe'

Details

Is windows:	false
Is dropped:	true
PID:	1268
Target ID:	4
Parent PID:	1484
Name:	vbc.exe
Path:	C:\Users\Public\vbc.exe
Commandline:	'C:\Users\Public\vbc.exe'
Size:	210432
MD5:	59A67B5CCF01B6A564265797DC5E53E8
Time:	06:50:38
Date:	28/09/2021
Reason:	newprocess
Reputation:	low
Is admin:	true
Is elevated:	true
Modulebase:	0x400000
Modulesize:	761856
Wow64:	true

Signature Hits	Behavior Group	Mitre Attack
Detected unpacking (changes PE section rights)	Data Obfuscation	Software Packing
Detected unpacking (overwrites its own PE header)	Compliance, Data Obfuscation	Software Packing
Sigma detected: Droppers Exploiting CVE-2017-11882	System Summary
Yara detected Lokibot	Stealing of Sensitive Information
Drops PE files to the user root directory	Boot Survival	Masquerading
Office equation editor drops PE file	System Summary
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)	Exploits	Exploitation for Client Execution
Sigma detected: Execution from Suspicious Folder	System Summary
Yara detected aPLib compressed binary	Data Obfuscation
Creates a process in suspended mode (likely to inject code)	HIPS / PFW / Operating System Protection Evasion	Process Injection
Drops PE files	Persistence and Installation Behavior
Drops PE files to the user directory	Persistence and Installation Behavior	Masquerading
Uses a known web browser user agent for HTTP communication	Networking	Application Layer Protocol
Yara detected Credential Stealer	Stealing of Sensitive Information
Downloads files from webservers via HTTP	Networking	Application Layer Protocol Non-Application Layer Protocol Ingress Tool Transfer
Spawns processes	System Summary	Process Injection
URLs found in memory or binary data	Networking
Binary contains paths to debug symbols	Compliance, System Summary

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

'C:\Program Files\Microsoft Office\Office14\EXCEL.EXE' /automation -Embedding

Details

Is windows:	true
Is dropped:	false
PID:	2688
Target ID:	0
Parent PID:	596
Name:	EXCEL.EXE
Class:	excel
Path:	C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
Commandline:	'C:\Program Files\Microsoft Office\Office14\EXCEL.EXE' /automation -Embedding
Size:	28253536
MD5:	D53B85E21886D2AF9815C377537BCAC3
Time:	06:50:14
Date:	28/09/2021
Reason:	newprocess
Reputation:	moderate
Is admin:	true
Is elevated:	true
Modulebase:	0x13f0f0000
Modulesize:	28282880
Wow64:	false

Signature Hits	Behavior Group	Mitre Attack
Spawns processes	System Summary	Process Injection

URLs

Name

Malicious

http://kbfvzoboss.bid/alien/fre.php

http://alphastand.win/alien/fre.php

http://alphastand.trade/alien/fre.php

http://checkvim.com/ga14/fre.php

5.188.89.50

http://103.155.83.184/wdc/vbc.exe

103.155.83.184

http://alphastand.top/alien/fre.php

http://www.%s.comPA

unknown

http://schemas.xmlsoap.org/ws/2004/08/addressing/role/anonymous.

unknown

http://www.day.com/dam/1.0

unknown

http://www.ibsensoftware.com/

unknown

Domains

Name

Malicious

checkvim.com

5.188.89.50

Details

Name:	checkvim.com
IP:	5.188.89.50
TargetID:	4
Current Path:	C:\Users\Public\vbc.exe
Active:	true

Signature Hits	Behavior Group	Mitre Attack
Found malware configuration	AV Detection
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)	Networking
C2 URLs / IPs found in malware configuration	Networking	Application Layer Protocol
Potential document exploit detected (performs DNS queries)	Software Vulnerabilities	Exploitation for Client Execution
Uses a known web browser user agent for HTTP communication	Networking	Application Layer Protocol
Performs DNS lookups	Networking	Application Layer Protocol Non-Application Layer Protocol
Posts data to webserver	Networking	Application Layer Protocol Non-Application Layer Protocol
URLs found in memory or binary data	Networking

IPs

Domain

Country

Malicious

5.188.89.50

checkvim.com

Russian Federation

Details

IP:	5.188.89.50
TargetID:	4
Current Path:	C:\Users\Public\vbc.exe
Country:	Russian Federation
Countrycode:	RUS
ASN number:	34665
ASN name:	PINDC-ASRU
Private:	false
Domain:	checkvim.com

Signature Hits	Behavior Group	Mitre Attack
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)	Networking

103.155.83.184

unknown

Details

IP:	103.155.83.184
TargetID:	2
Current Path:	C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
ASN number:	134687
ASN name:	TWIDC-AS-APTWIDCLimitedHK
Private:	false

Signature Hits	Behavior Group	Mitre Attack
Sigma detected: EQNEDT32.EXE connecting to internet	Exploits
Potential document exploit detected (performs HTTP gets)	Software Vulnerabilities	Exploitation for Client Execution
Potential document exploit detected (unknown TCP traffic)	Software Vulnerabilities	Exploitation for Client Execution
Uses a known web browser user agent for HTTP communication	Networking	Application Layer Protocol
Connects to IPs without corresponding DNS lookups	Networking
Downloads files from webservers via HTTP	Networking	Application Layer Protocol Non-Application Layer Protocol Ingress Tool Transfer

Registry

Path

Value

Malicious

HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems

09-

HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel

MTTT

HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\ReviewCycle

ReviewToken

HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\DocumentRecovery\2D549

2D549

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000100000000F01FEC\Usage

VBAFiles

HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems

%b-

HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\DocumentRecovery\3207B

3207B

HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\DocumentRecovery\32F79

32F79

HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Place MRU

Max Display

HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Place MRU

Item 1