Malware Analysis Report

2024-10-10 10:00

Sample ID 240621-1t9glawfkr
Target runtime.exe-cleaned.xex
SHA256 386f5d72b857d35535ec5fbb48d107b4f16d869c4d08255b3626467dbea7e7c8
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

386f5d72b857d35535ec5fbb48d107b4f16d869c4d08255b3626467dbea7e7c8

Threat Level: Known bad

The file runtime.exe-cleaned.xex was found to be: Known bad.

Malicious Activity Summary

umbral execution spyware stealer

Detect Umbral payload

Umbral family

Umbral

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

Detects videocard installed

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-21 21:57

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

2024-06-21 21:57

Reported

2024-06-21 21:58

Platform

win10v2004-20240611-en

Max time kernel

10s

Max time network

9s

Command Line

"C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.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

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.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
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: 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 2700 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2700 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2700 wrote to memory of 4972 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2700 wrote to memory of 4972 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2700 wrote to memory of 4868 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2700 wrote to memory of 4868 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2700 wrote to memory of 1268 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2700 wrote to memory of 1268 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2700 wrote to memory of 3932 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\Wbem\wmic.exe
PID 2700 wrote to memory of 3932 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\Wbem\wmic.exe
PID 2700 wrote to memory of 620 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\Wbem\wmic.exe
PID 2700 wrote to memory of 620 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\Wbem\wmic.exe
PID 2700 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\Wbem\wmic.exe
PID 2700 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\Wbem\wmic.exe
PID 2700 wrote to memory of 1744 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2700 wrote to memory of 1744 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2700 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\Wbem\wmic.exe
PID 2700 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe C:\Windows\System32\Wbem\wmic.exe

Processes

C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe

"C:\Users\Admin\AppData\Local\Temp\runtime.exe-cleaned.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 gstatic.com udp
GB 172.217.16.227:443 gstatic.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 227.16.217.172.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
NL 23.62.61.194:443 www.bing.com tcp
US 162.159.135.232:443 discord.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 232.135.159.162.in-addr.arpa udp

Files

memory/2700-0-0x000001927E510000-0x000001927E552000-memory.dmp

memory/2700-1-0x00007FFEE3D83000-0x00007FFEE3D85000-memory.dmp

memory/2700-2-0x00007FFEE3D80000-0x00007FFEE4841000-memory.dmp

memory/1264-13-0x00007FFEE3D80000-0x00007FFEE4841000-memory.dmp

memory/1264-8-0x0000015154EC0000-0x0000015154EE2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kxe4223t.nws.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1264-14-0x00007FFEE3D80000-0x00007FFEE4841000-memory.dmp

memory/1264-15-0x00007FFEE3D80000-0x00007FFEE4841000-memory.dmp

memory/1264-18-0x00007FFEE3D80000-0x00007FFEE4841000-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/2700-31-0x000001927F820000-0x000001927F896000-memory.dmp

memory/2700-32-0x000001927F8A0000-0x000001927F8F0000-memory.dmp

memory/2700-33-0x000001927F7C0000-0x000001927F7DE000-memory.dmp

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

MD5 1a58f982c18490e622e00d4eb75ace5a
SHA1 60c30527b74659ecf09089a5a7c02a1df9a71b65
SHA256 4b7f800c0dea209162cc86627983993127eb20e3f8616646c41cb3ce15d9b39d
SHA512 ddab516a967783c5951717853aa5b3ef6dd5b442db50092888b2e7f3179fc68120fcde69a08d6ab280740eaadb6eadfc758c3118b52706f869e48ac1aebda480

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

MD5 b0a78e60bfb279d18fd3d6e7a67411f5
SHA1 9344fe3654a14bc66afb9dc6ea215fabfbe5c906
SHA256 a28890c82033d3deaf5770ecd1b0239c77321acc93704b1d4b1e167b91e30aeb
SHA512 9548be23bec645cd705482f78d43b63659e38cf879c34f7071f42fd86ee02039379a5e92fbe0f1c74c12aaebabdd8002f57eba111d3e855cbd0c89a110e346f2

memory/2700-67-0x000001927F7B0000-0x000001927F7BA000-memory.dmp

memory/2700-68-0x000001927F800000-0x000001927F812000-memory.dmp

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

MD5 eeb6ad386d143f278077171fc01a81e8
SHA1 43cff1bd7240965bfb2f10e47c0cec0f94332e2d
SHA256 59d62f9472b4c00b7cae0ee702789fa2b0042c468e4de9421d2430f9973eb00d
SHA512 b40f003e6d97adaaf05809f06d12df01984943d9eb6c44eaeffef90df8de0040373150c9714b11a42db5189b7064eeed0609a39f6f1feb91b05dd1835333e8f2

memory/2700-88-0x00007FFEE3D80000-0x00007FFEE4841000-memory.dmp