Malware Analysis Report

2024-10-10 10:03

Sample ID 240511-pmq6wsag93
Target Pookies Bypasser.exe
SHA256 6594aa4b2efc8137b453fe978ae2ff5ae6f055e4d79539fa4804933e208ffdf4
Tags
umbral execution spyware stealer
score
10/10

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 Overview

score
10/10

SHA256

6594aa4b2efc8137b453fe978ae2ff5ae6f055e4d79539fa4804933e208ffdf4

Threat Level: Known bad

The file Pookies Bypasser.exe was found to be: Known bad.

Malicious Activity Summary

umbral execution spyware stealer

Umbral

Umbral family

Detect Umbral payload

Drops file in Drivers directory

Command and Scripting Interpreter: PowerShell

Reads user/profile data of web browsers

Looks up external IP address via web service

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Detects videocard installed

Runs ping.exe

Views/modifies file attributes

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-11 12:27

Signatures

Detect Umbral payload

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

Umbral family

umbral

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-11 12:27

Reported

2024-05-11 12:27

Platform

win10v2004-20240508-fr

Max time kernel

13s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe"

Signatures

Detect Umbral payload

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

Umbral

stealer umbral

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Drops file in Drivers directory

Description Indicator Process Target
File opened for modification C:\Windows\System32\drivers\etc\hosts C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe N/A

Reads user/profile data of web browsers

spyware stealer

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Detects videocard installed

Description Indicator Process Target
N/A N/A C:\Windows\System32\Wbem\wmic.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1976 wrote to memory of 4384 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\Wbem\wmic.exe
PID 1976 wrote to memory of 4384 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\Wbem\wmic.exe
PID 1976 wrote to memory of 4504 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\SYSTEM32\attrib.exe
PID 1976 wrote to memory of 4504 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\SYSTEM32\attrib.exe
PID 1976 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1976 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1976 wrote to memory of 1572 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1976 wrote to memory of 1572 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1976 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1976 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1976 wrote to memory of 3688 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1976 wrote to memory of 3688 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1976 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\Wbem\wmic.exe
PID 1976 wrote to memory of 3016 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\Wbem\wmic.exe
PID 1976 wrote to memory of 3660 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\Wbem\wmic.exe
PID 1976 wrote to memory of 3660 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\Wbem\wmic.exe
PID 1976 wrote to memory of 3956 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\Wbem\wmic.exe
PID 1976 wrote to memory of 3956 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\Wbem\wmic.exe
PID 1976 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1976 wrote to memory of 4928 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1976 wrote to memory of 3440 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\Wbem\wmic.exe
PID 1976 wrote to memory of 3440 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\System32\Wbem\wmic.exe
PID 1976 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\SYSTEM32\cmd.exe
PID 1976 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe C:\Windows\SYSTEM32\cmd.exe
PID 4652 wrote to memory of 3260 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\PING.EXE
PID 4652 wrote to memory of 3260 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\PING.EXE

Views/modifies file attributes

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\attrib.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe

"C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe"

C:\Windows\System32\Wbem\wmic.exe

"wmic.exe" csproduct get uuid

C:\Windows\SYSTEM32\attrib.exe

"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY

C:\Windows\System32\Wbem\wmic.exe

"wmic.exe" os get Caption

C:\Windows\System32\Wbem\wmic.exe

"wmic.exe" computersystem get totalphysicalmemory

C:\Windows\System32\Wbem\wmic.exe

"wmic.exe" csproduct get uuid

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER

C:\Windows\System32\Wbem\wmic.exe

"wmic" path win32_VideoController get name

C:\Windows\SYSTEM32\cmd.exe

"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Pookies Bypasser.exe" && pause

C:\Windows\system32\PING.EXE

ping localhost

Network

Country Destination Domain Proto
US 8.8.8.8:53 gstatic.com udp
DE 142.250.186.99:443 gstatic.com tcp
US 8.8.8.8:53 99.186.250.142.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 208.95.112.1:80 ip-api.com tcp
NL 23.62.61.99:443 www.bing.com tcp
US 8.8.8.8:53 99.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.135.232:443 discord.com tcp
US 8.8.8.8:53 232.135.159.162.in-addr.arpa udp

Files

memory/1976-1-0x00000150790F0000-0x0000015079130000-memory.dmp

memory/1976-0-0x00007FFB2D2E3000-0x00007FFB2D2E5000-memory.dmp

memory/1976-2-0x00007FFB2D2E0000-0x00007FFB2DDA1000-memory.dmp

memory/1976-3-0x000001507B830000-0x000001507B872000-memory.dmp

memory/1976-4-0x000001507B990000-0x000001507BA92000-memory.dmp

memory/4944-5-0x00007FFB2D2E0000-0x00007FFB2DDA1000-memory.dmp

memory/4944-6-0x00007FFB2D2E0000-0x00007FFB2DDA1000-memory.dmp

memory/4944-7-0x00007FFB2D2E0000-0x00007FFB2DDA1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5fwudha2.fir.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4944-18-0x000001BDC6020000-0x000001BDC6030000-memory.dmp

memory/4944-19-0x000001BDC6130000-0x000001BDC6152000-memory.dmp

memory/4944-8-0x000001BDC6070000-0x000001BDC60FA000-memory.dmp

memory/4944-22-0x00007FFB2D2E0000-0x00007FFB2DDA1000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

memory/1976-37-0x000001507B900000-0x000001507B976000-memory.dmp

memory/1976-38-0x000001507B880000-0x000001507B8D0000-memory.dmp

memory/1976-39-0x000001507B7E0000-0x000001507B7FE000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 0b8cb2e6dd5794b6a56a4bdbbd430fd7
SHA1 2b08e348c3489c6a35761af073018e3784c12074
SHA256 bcce0d44e33747e4c39df9afbd0a4e98a47ded0188375e4dfdd94cafbb366e1f
SHA512 15ce3b588aa80899f69b0313c7e188d886bddbd09783ca732ac33f9ae8e4e017a72b6f98919f581383a4582732575e5faedb0dea87e01cf2b657424945fdf4d2

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 d3235ed022a42ec4338123ab87144afa
SHA1 5058608bc0deb720a585a2304a8f7cf63a50a315
SHA256 10663f5a1cb0afe5578f61ebaae2aafb363544e47b48521f9c23be9e6e431b27
SHA512 236761b7c68feca8bd62cba90cff0b25fac5613837aaa5d29ae823ace8b06a2057553cf7e72b11ccc59b6c289e471ca1bbac1a880aef5e2868875371a17c1abf

memory/1976-75-0x000001507B810000-0x000001507B81A000-memory.dmp

memory/1976-76-0x000001507BAA0000-0x000001507BAB2000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 7511c81925750deb7ad1b9b80eea8a8d
SHA1 6ea759b3cbd243ae11435c6d6c5ced185eb01f49
SHA256 5b49723a7773f2fe1f6093236e7b9b2c546f0873635d02346cb39535811234fa
SHA512 5f7e69316d39525d137a7a833f8c746ceef8f1b2295348393fb3244cca8b962fbaad0f7da49da453fe97e2c49b1f41f06138111ac5ff97fdc33c300350ec3a1b

memory/1976-94-0x00007FFB2D2E0000-0x00007FFB2DDA1000-memory.dmp