Malware Analysis Report

2024-08-06 12:58

Sample ID 240606-s1ddqsha74
Target Unlock all.exe
SHA256 e19a4a36276e501ee70068b365480f122b3b0e96cba020ca7def1322a716dbe5
Tags
rat venom clients asyncrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e19a4a36276e501ee70068b365480f122b3b0e96cba020ca7def1322a716dbe5

Threat Level: Known bad

The file Unlock all.exe was found to be: Known bad.

Malicious Activity Summary

rat venom clients asyncrat

Async RAT payload

Asyncrat family

AsyncRat

Unsigned PE

Suspicious use of SetWindowsHookEx

Modifies registry class

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-06 15:35

Signatures

Async RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Asyncrat family

asyncrat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-06 15:35

Reported

2024-06-06 15:38

Platform

win11-20240508-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Unlock all.exe"

Signatures

AsyncRat

rat asyncrat

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000_Classes\Local Settings\MuiCache C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\Unlock all.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Unlock all.exe

"C:\Users\Admin\AppData\Local\Temp\Unlock all.exe"

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe

"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca

Network

Country Destination Domain Proto
GB 184.28.176.104:443 tcp
US 20.42.65.85:443 browser.pipe.aria.microsoft.com tcp
US 8.8.8.8:53 222.197.79.204.in-addr.arpa udp
BE 2.17.107.114:443 r.bing.com tcp
BE 2.17.107.114:443 r.bing.com tcp
BE 2.17.107.114:443 r.bing.com tcp
BE 2.17.107.114:443 r.bing.com tcp
BE 2.17.107.114:443 r.bing.com tcp
BE 2.17.107.114:443 r.bing.com tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 13.107.253.64:443 fp-afd-nocache-ccp.azureedge.net tcp
US 152.199.19.161:443 fp-vs.azureedge.net tcp
SE 92.123.135.95:443 ow1.res.office365.com tcp

Files

memory/1000-1-0x00007FFD081D3000-0x00007FFD081D5000-memory.dmp

memory/1000-0-0x0000000000D30000-0x0000000000D46000-memory.dmp

memory/1000-2-0x00007FFD081D0000-0x00007FFD08C92000-memory.dmp

memory/1000-3-0x00007FFD081D0000-0x00007FFD08C92000-memory.dmp

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

MD5 a71ab244d565671f741686cb2c5ed11b
SHA1 b6e766a85f1f878d512f752df2dd4873971755e2
SHA256 06a5716962f3b50a8aa3acd30e33d6c75664465c3d795196ad6dce5e33a80faa
SHA512 0826c8e52b0f5dbcbda745f06390fd59ce9eee8e0e845cdb007f4a97b19065f2544ca63226b34d361adf9e1cf26644672abfe5dcfd75651cd2aeb1ae27f16f84

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

MD5 44408d8bcd8c4ffe97a60ddf16281885
SHA1 ab8773e27c92a24e12969dd4dc6bb8422f15d589
SHA256 a6047cddc1126bc128da907db3550e725647640752e6a5c71ce9445735a9e83a
SHA512 ff4e382bd3d00515f57bb735c6ffce35afd9f63a8def25ba18f722e618ac9f107e31e0ab44ff7758394e9ca7f52bc67b0ba70710c4dfd6afdb470a34093a35c6