IOC Report
INV_52974613.pdf

Files

File Path

Type

Category

Malicious

INV_52974613.pdf

PDF document, version 1.4, 0 pages

initial sample

C:\Users\user\AppData\LocalLow\Adobe\AcroCef\DC\Acrobat\Cache\LOG

ASCII text

dropped

C:\Users\user\AppData\LocalLow\Adobe\AcroCef\DC\Acrobat\Cache\LOG.old (copy)

ASCII text

dropped

C:\Users\user\AppData\LocalLow\Adobe\AcroCef\DC\Acrobat\Cache\Local Storage\leveldb\LOG

ASCII text

dropped

C:\Users\user\AppData\LocalLow\Adobe\AcroCef\DC\Acrobat\Cache\Local Storage\leveldb\LOG.old (copy)

ASCII text

dropped

C:\Users\user\AppData\LocalLow\Adobe\AcroCef\DC\Acrobat\Cache\Network\55c36882-304b-493a-b02d-65ea146f4cfd.tmp

JSON data

modified

C:\Users\user\AppData\LocalLow\Adobe\AcroCef\DC\Acrobat\Cache\Network\Network Persistent State (copy)

JSON data

dropped

C:\Users\user\AppData\LocalLow\Adobe\AcroCef\DC\Acrobat\Cache\Session Storage\000003.log

data

dropped

C:\Users\user\AppData\LocalLow\Adobe\AcroCef\DC\Acrobat\Cache\Session Storage\LOG

ASCII text

dropped

C:\Users\user\AppData\LocalLow\Adobe\AcroCef\DC\Acrobat\Cache\Session Storage\LOG.old (copy)

ASCII text

dropped

C:\Users\user\AppData\LocalLow\Adobe\Acrobat\DC\ConnectorIcons\icon-241023145929Z-179.bmp

PC bitmap, Windows 3.x format, 107 x -152 x 32, cbSize 65110, bits offset 54

dropped

C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\2D85F72862B55C4EADD9E66E06947F3D

Certificate, Version=3

dropped

C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506

Microsoft Cabinet archive data, Windows 2000/XP setup, 71954 bytes, 1 file, at 0x2c +A "authroot.stl", number 1, 6 datablocks, 0x1 compression

dropped

C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\2D85F72862B55C4EADD9E66E06947F3D

data

dropped

C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506

data

modified

C:\Users\user\AppData\Local\Adobe\Acrobat\DC\SOPHIA\Acrobat\Files\TESTING

data

dropped

C:\Users\user\AppData\Local\Adobe\Acrobat\DC\SOPHIA\Acrobat\SOPHIA.json

JSON data

dropped

C:\Users\user\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

SQLite 3.x database, last written using SQLite version 3040000, file counter 25, database pages 3, cookie 0x2, schema 4, UTF-8, version-valid-for 25

dropped

C:\Users\user\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents-journal

SQLite Rollback Journal

dropped

C:\Users\user\AppData\Local\Temp\MSI121e3.LOG

Unicode text, UTF-16, little-endian text, with CRLF line terminators

dropped

C:\Users\user\AppData\Local\Temp\acrobat_sbx\A9lypsi_zevyj4_1xs.tmp

PDF document, version 1.6, 0 pages

dropped

C:\Users\user\AppData\Local\Temp\acrobat_sbx\NGL\NGLClient_AcrobatReader123.6.20320.6 2024-10-23 10-59-28-259.log

ASCII text, with very long lines (393)

dropped

C:\Users\user\AppData\Local\Temp\acrobat_sbx\NGL\NGLClient_AcrobatReader123.6.20320.6.log

ASCII text, with very long lines (393), with CRLF line terminators

dropped

C:\Users\user\AppData\Local\Temp\acrobat_sbx\acroNGLLog.txt

ASCII text, with CRLF line terminators

dropped

C:\Users\user\AppData\Local\Temp\acrocef_low\641217f4-929f-492f-9f4f-03eec5df5f82.tmp

gzip compressed data, from FAT filesystem (MS-DOS, OS/2, NT), original size modulo 2^32 33081

dropped

C:\Users\user\AppData\Local\Temp\acrocef_low\744f9a8d-4321-44e1-bfb2-df5f65247b3b.tmp

gzip compressed data, from FAT filesystem (MS-DOS, OS/2, NT), original size modulo 2^32 299538

dropped

C:\Users\user\AppData\Local\Temp\acrocef_low\9117183d-80d4-4415-b581-6373edae10bc.tmp

gzip compressed data, from FAT filesystem (MS-DOS, OS/2, NT), original size modulo 2^32 1311022

dropped

C:\Users\user\AppData\Local\Temp\acrocef_low\de64f24e-de8d-42e5-94fb-9cec7859084a.tmp

gzip compressed data, from FAT filesystem (MS-DOS, OS/2, NT), original size modulo 2^32 5111142

dropped

There are 18 hidden files, click here to show them.

Processes

Path

Cmdline

Malicious

C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe

"C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe" "C:\Users\user\Desktop\INV_52974613.pdf"

Details

Is windows:	true
Is dropped:	false
PID:	2300
Target ID:	1
Parent PID:	4084
Name:	Acrobat.exe
Path:	C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe
Commandline:	"C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe" "C:\Users\user\Desktop\INV_52974613.pdf"
Size:	5641176
MD5:	24EAD1C46A47022347DC0F05F6EFBB8C
Time:	10:59:23
Date:	23/10/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0x7ff6e8200000
Modulesize:	5693440
Wow64:	false

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

C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe

"C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --backgroundcolor=16777215

Details

Is windows:	true
Is dropped:	false
PID:	3032
Target ID:	2
Parent PID:	2300
Name:	AcroCEF.exe
Path:	C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe
Commandline:	"C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --backgroundcolor=16777215
Size:	3581912
MD5:	9B38E8E8B6DD9622D24B53E095C5D9BE
Time:	10:59:25
Date:	23/10/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0x7ff79c940000
Modulesize:	3620864
Wow64:	false

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

C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe

"C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --log-severity=disable --user-agent-product="ReaderServices/23.6.20320 Chrome/105.0.0.0" --lang=en-US --log-file="C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\debug.log" --mojo-platform-channel-handle=2252 --field-trial-handle=1500,i,9647658906102425964,9160439233810104032,131072 --disable-features=BackForwardCache,CalculateNativeWinOcclusion,WinUseBrowserSpellChecker /prefetch:8

Details

Is windows:	true
Is dropped:	false
PID:	6880
Target ID:	4
Parent PID:	3032
Name:	AcroCEF.exe
Path:	C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe
Commandline:	"C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\AcroCEF.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --log-severity=disable --user-agent-product="ReaderServices/23.6.20320 Chrome/105.0.0.0" --lang=en-US --log-file="C:\Program Files\Adobe\Acrobat DC\Acrobat\acrocef_1\debug.log" --mojo-platform-channel-handle=2252 --field-trial-handle=1500,i,9647658906102425964,9160439233810104032,131072 --disable-features=BackForwardCache,CalculateNativeWinOcclusion,WinUseBrowserSpellChecker /prefetch:8
Size:	3581912
MD5:	9B38E8E8B6DD9622D24B53E095C5D9BE
Time:	10:59:25
Date:	23/10/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0x7ff79c940000
Modulesize:	3620864
Wow64:	false

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

URLs

Name

IP

Malicious

http://x1.i.lencr.org/

unknown

Domains

Name

IP

Malicious

x1.i.lencr.org

unknown

Details

Name:	x1.i.lencr.org
TargetID:	-1

Signature Hits	Behavior Group	Mitre Attack
Potential document exploit detected (performs DNS queries)	Software Vulnerabilities	Exploitation for Client Execution
Performs DNS lookups	Networking	Application Layer Protocol Non-Application Layer Protocol
URLs found in memory or binary data	Networking

Registry

Path

Value

Malicious

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c1

aFS

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c1

tDIText

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c1

tFileName

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c1

tFileSource

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c1

sFileAncestors

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c1

sDI

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c1

sDate

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c1

uFileSize

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c1

uPageCount

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c1

sAssetId

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c1

bisSharedFile

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c2

aFS

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c2

tDIText

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c2

tFileName

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c2

sFileAncestors

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c2

sDI

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c2

sDate

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c2

uFileSize

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c2

uPageCount

HKEY_CURRENT_USER\SOFTWARE\Adobe\Adobe Acrobat\DC\AVGeneral\cRecentFiles\c2

bisSharedFile

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