Malware Analysis Report

2024-10-10 07:28

Sample ID 240615-yan1faseqd
Target video_2024-06-06_21-58-03.avi
SHA256 39f13b867408e02352716b6f29226c54588d7585b0d641ee2aa377d4d9f4dc77
Tags
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

39f13b867408e02352716b6f29226c54588d7585b0d641ee2aa377d4d9f4dc77

Threat Level: Shows suspicious behavior

The file video_2024-06-06_21-58-03.avi was found to be: Shows suspicious behavior.

Malicious Activity Summary


Enumerates connected drives

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-15 19:35

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 19:35

Reported

2024-06-15 19:38

Platform

win7-20240611-en

Max time kernel

120s

Max time network

126s

Command Line

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\video_2024-06-06_21-58-03.avi"

Signatures

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Processes

C:\Program Files\VideoLAN\VLC\vlc.exe

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\video_2024-06-06_21-58-03.avi"

Network

N/A

Files

memory/2240-6-0x000007FEF8270000-0x000007FEF82A4000-memory.dmp

memory/2240-5-0x000000013F6A0000-0x000000013F798000-memory.dmp

memory/2240-8-0x000007FEFBDE0000-0x000007FEFBDF8000-memory.dmp

memory/2240-11-0x000007FEF8070000-0x000007FEF8087000-memory.dmp

memory/2240-10-0x000007FEF8090000-0x000007FEF80A1000-memory.dmp

memory/2240-9-0x000007FEFBA00000-0x000007FEFBA17000-memory.dmp

memory/2240-13-0x000007FEF73D0000-0x000007FEF73ED000-memory.dmp

memory/2240-12-0x000007FEF7850000-0x000007FEF7861000-memory.dmp

memory/2240-7-0x000007FEF6750000-0x000007FEF6A06000-memory.dmp

memory/2240-15-0x000007FEF73B0000-0x000007FEF73C1000-memory.dmp

memory/2240-14-0x000007FEF6540000-0x000007FEF674B000-memory.dmp

memory/2240-16-0x000007FEF7360000-0x000007FEF73A1000-memory.dmp

memory/2240-17-0x000007FEF6E60000-0x000007FEF6E81000-memory.dmp

memory/2240-18-0x000007FEF6E40000-0x000007FEF6E58000-memory.dmp

memory/2240-19-0x000007FEF6E20000-0x000007FEF6E31000-memory.dmp

memory/2240-20-0x000007FEF6E00000-0x000007FEF6E11000-memory.dmp

memory/2240-21-0x000007FEF6DE0000-0x000007FEF6DF1000-memory.dmp

memory/2240-22-0x000007FEF6DC0000-0x000007FEF6DDB000-memory.dmp

memory/2240-23-0x000007FEF6DA0000-0x000007FEF6DB1000-memory.dmp

memory/2240-24-0x000007FEF6D80000-0x000007FEF6D98000-memory.dmp

memory/2240-25-0x000007FEF6510000-0x000007FEF6540000-memory.dmp

memory/2240-28-0x000007FEF5370000-0x000007FEF53EC000-memory.dmp

memory/2240-27-0x000007FEF53F0000-0x000007FEF5457000-memory.dmp

memory/2240-29-0x000007FEF5350000-0x000007FEF5361000-memory.dmp

memory/2240-30-0x000007FEF52F0000-0x000007FEF5347000-memory.dmp

memory/2240-32-0x000007FEF5140000-0x000007FEF52C0000-memory.dmp

memory/2240-33-0x000007FEF5120000-0x000007FEF5137000-memory.dmp

memory/2240-31-0x000007FEF52C0000-0x000007FEF52E8000-memory.dmp

memory/2240-26-0x000007FEF5460000-0x000007FEF6510000-memory.dmp

memory/2240-55-0x000007FEF5460000-0x000007FEF6510000-memory.dmp

memory/2240-70-0x000000013F6A0000-0x000000013F798000-memory.dmp

memory/2240-71-0x000007FEF8270000-0x000007FEF82A4000-memory.dmp

memory/2240-72-0x000007FEF6750000-0x000007FEF6A06000-memory.dmp

memory/2240-73-0x000007FEF5460000-0x000007FEF6510000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 19:35

Reported

2024-06-15 19:38

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:8 /Open "C:\Users\Admin\AppData\Local\Temp\video_2024-06-06_21-58-03.avi"

Signatures

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\K: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\M: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\O: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\P: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\E: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\G: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\T: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\X: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\Z: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\B: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\N: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\Q: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\R: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\S: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\U: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\Y: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\H: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\L: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\J: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\V: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\W: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\A: C:\Windows\system32\unregmp2.exe N/A
File opened (read-only) \??\I: C:\Windows\system32\unregmp2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\system32\unregmp2.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\unregmp2.exe N/A

Processes

C:\Program Files (x86)\Windows Media Player\wmplayer.exe

"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:8 /Open "C:\Users\Admin\AppData\Local\Temp\video_2024-06-06_21-58-03.avi"

C:\Program Files (x86)\Windows Media Player\setup_wm.exe

"C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:8 /Open "C:\Users\Admin\AppData\Local\Temp\video_2024-06-06_21-58-03.avi"

C:\Windows\SysWOW64\unregmp2.exe

"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon

C:\Windows\system32\unregmp2.exe

"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 73.239.69.13.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\wmsetup.log

MD5 9029ed2c4977c11bbfff0f2b20e3ad38
SHA1 7d39afcc289c82b83c69bda5f423da3685039d98
SHA256 b8fadafe9037390bc2750918c3bdd1c9ecfc4252f0b99d203a56207d7387b69f
SHA512 38d02df9b12f605dd552b18cca3eb04cd17c69eca7aac0181285bdb2155b76d5975769c4c79cc23ff3be05ef3eb0ec2de719647fa0e9d2c8cd1315f9ebb6e269

C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak

MD5 7050d5ae8acfbe560fa11073fef8185d
SHA1 5bc38e77ff06785fe0aec5a345c4ccd15752560e
SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
SHA512 a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

MD5 563088ad0f20fabf9dd62c6ba8ae1636
SHA1 f9cd2fd153afa1a12ff990cf27c32b8c9c44e878
SHA256 eb897bf202d32f067728f1b666eb16e9926557efa8676b72db11411013030184
SHA512 8229dfb1d96b6a34b91b1e5c463833e7859331be880f585c48af1ba0ace0465ac755c7f22a9e6f30284266165f850e8f85af76157eea8136b2d6f79db02d3092