Automated Malware Analysis IOC Report for

Files

File Path

Type

Category

Malicious

DB_aabbbkdjdhgdghjdkjdggdghh0x06E5.xlsx

CDFV2 Encrypted

initial sample

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ZAE7RW1P\.svchost[1].exe

PE32 executable (GUI) Intel 80386, for MS Windows

downloaded

C:\Users\user\Desktop\~$DB_aabbbkdjdhgdghjdkjdggdghh0x06E5.xlsx

data

dropped

C:\Users\Public\vbc.exe

PE32 executable (GUI) Intel 80386, for MS Windows

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\23E0E888.png

PNG image data, 458 x 211, 8-bit/color RGB, non-interlaced

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\2459FEE9.jpeg

JPEG image data, JFIF standard 1.01, resolution (DPI), density 0x0, segment length 16, Exif Standard: [TIFF image data, big-endian, direntries=2], baseline, precision 8, 474x379, frames 3

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\31B846BE.jpeg

JPEG image data, JFIF standard 1.01, resolution (DPI), density 0x0, segment length 16, Exif Standard: [TIFF image data, big-endian, direntries=2], baseline, precision 8, 474x379, frames 3

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\3F47FD52.emf

Windows Enhanced Metafile (EMF) image data version 0x10000

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\3FB96E45.png

PNG image data, 687 x 111, 8-bit colormap, non-interlaced

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\48845B4D.png

PNG image data, 566 x 429, 8-bit/color RGBA, non-interlaced

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\542157E3.jpeg

JPEG image data, JFIF standard 1.01, resolution (DPI), density 150x150, segment length 16, baseline, precision 8, 1275x1650, frames 3

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\559E50EA.png

PNG image data, 687 x 111, 8-bit colormap, non-interlaced

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\67F6771.png

PNG image data, 458 x 211, 8-bit/color RGB, non-interlaced

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\6D991930.jpeg

JPEG image data, JFIF standard 1.01, resolution (DPI), density 150x150, segment length 16, baseline, precision 8, 1275x1650, frames 3

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\91669DF.png

PNG image data, 476 x 244, 8-bit/color RGB, non-interlaced

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\97BC617C.png

PNG image data, 476 x 244, 8-bit/color RGB, non-interlaced

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\98E3C7D6.png

PNG image data, 779 x 181, 8-bit colormap, non-interlaced

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\A298892B.emf

Windows Enhanced Metafile (EMF) image data version 0x10000

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\BB193A54.png

PNG image data, 566 x 429, 8-bit/color RGBA, non-interlaced

dropped

C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\DB194BA7.png

PNG image data, 779 x 181, 8-bit colormap, non-interlaced

dropped

There are 10 hidden files, click here to show them.

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:	2220
Target ID:	4
Parent PID:	584
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:	07:25:03
Date:	02/08/2021
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:	2328
Target ID:	6
Parent PID:	2220
Name:	vbc.exe
Path:	C:\Users\Public\vbc.exe
Commandline:	'C:\Users\Public\vbc.exe'
Size:	259192
MD5:	9318CD06A9A0B788DC043A63C97D4FCE
Time:	07:25:06
Date:	02/08/2021
Reason:	newprocess
Reputation:	low
Is admin:	true
Is elevated:	true
Modulebase:	0x400000
Modulesize:	253952
Wow64:	true

Signature Hits	Behavior Group	Mitre Attack
Sigma detected: Droppers Exploiting CVE-2017-11882	System Summary
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
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
Spawns processes	System Summary	Process Injection

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:	1320
Target ID:	0
Parent PID:	584
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:	27641504
MD5:	5FB0A0F93382ECD19F5F499A5CAA59F0
Time:	07:24:41
Date:	02/08/2021
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0x13fc90000
Modulesize:	27758592
Wow64:	false

Signature Hits	Behavior Group	Mitre Attack
Allocates a big amount of memory (probably used for heap spraying)	Software Vulnerabilities	Extra Window Memory Injection
Spawns processes	System Summary	Process Injection

URLs

Name

Malicious

http://180.214.239.39/msexcel/.svchost.exe

180.214.239.39

Details

Name:	http://180.214.239.39/msexcel/.svchost.exe
IP:	180.214.239.39
TargetID:	4
From Memory:	false
Current Path:	C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
Source:	network

Signature Hits	Behavior Group	Mitre Attack
Sigma detected: EQNEDT32.EXE connecting to internet	Exploits
IP address seen in connection with other malware	Networking
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

https://kinmirai.org/wp-content/bin_NIapfDNXM183.bin

Details

Name:	https://kinmirai.org/wp-content/bin_NIapfDNXM183.bin
TargetID:	0
From Memory:	false
Current Path:	C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
Source:	config extactor

Signature Hits	Behavior Group	Mitre Attack
Found malware configuration	AV Detection
C2 URLs / IPs found in malware configuration	Networking	Application Layer Protocol

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

unknown

Details

Name:	http://www.day.com/dam/1.0
TargetID:	0
From Memory:	true
Current Path:	C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
Source:	3F47FD52.emf.0.dr
Reputation:	high

Signature Hits	Behavior Group	Mitre Attack
URLs found in memory or binary data	Networking

IPs

Domain

Country

Malicious

180.214.239.39

unknown

Viet Nam

Details

IP:	180.214.239.39
TargetID:	4
Current Path:	C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
Country:	Viet Nam
Countrycode:	VNM
ASN number:	135905
ASN name:	VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN
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

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

p-9

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

MTTT

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

ReviewToken

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

EE244

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

FontCachePath

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

VBAFiles

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

a99

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

F2E70

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

F3D7D

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

Max Display

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

Item 1

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

Max Display

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

Item 1

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

Item 2

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

Item 3

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

Item 4

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

Item 5

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

Item 6

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

Item 7

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

Item 8

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

Item 9

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

Item 10

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

Item 11

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

Item 12

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

Item 13

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

Item 14

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

Item 15

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

Item 16

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

Item 17

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

Item 18

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

Item 19

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

Item 20

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

Item 21

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

LastPurgeTime

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

1033

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

1033

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

EXCELFiles

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

ProductFiles

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

ProductFiles

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

Name

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

F2E70

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

EquationEditorFilesIntl_1033

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

SavedLegacySettings

There are 33 hidden registries, click here to show them.

Memdumps

Base Address

Regiontype

Protect

Malicious

270000

unkown

page execute and read and write

1E60000

unkown

page read and write

1D70000

heap private

page read and write

624000

heap default

page read and write

436000

unkown image

page readonly

607000

heap default

page read and write

401000

unkown image

page execute read

370000

heap default

page read and write

2C0000

heap private

page read and write

260000

unkown

page execute read

1B0000

unkown

page readonly

1D92000

heap private

page read and write

1E50000

heap private

page read and write

22A000

heap private

page read and write

20000

unkown

page read and write

600000

heap default

page read and write

890000

unkown

page readonly

400000

unkown image

page readonly

18D000

unkown

page read and write

247000

heap private

page read and write

400000

unkown image

page readonly

7EFDF000

unkown

page read and write

1D74000

heap private

page read and write

435000

unkown image

page read and write

5C0000

unkown

page readonly

220000

heap private

page read and write

400000

unkown image

page readonly

1C90000

unkown

page readonly

401000

unkown image

page execute read

436000

unkown image

page readonly

2260000

unkown

page readonly

8B000

unkown

page read and write

350000

heap private

page read and write

26F0000

heap private

page read and write

440000

unkown

page readonly

There are 25 hidden memdumps, click here to show them.

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

IOCReport

Files

Processes

URLs

IPs

Registry

Memdumps