umbral | a90ab751bfb8cb4daee6dbb9a595c4af981c9792f245b87f821740fdf3ab28ce

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 12:08

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General

Target

restaddagethrowcorned.exe
Size

230KB
MD5

2523f6fce113a0b9e94bd66d8cf2966b
SHA1

076d32cb0f32d5df6a4dc538beb7796261b76ffc
SHA256

a90ab751bfb8cb4daee6dbb9a595c4af981c9792f245b87f821740fdf3ab28ce
SHA512

c71d6c35be27bc90cd525b156e9bb016dab578740fcce3357382b52a1e4b0e4c42d55dd57e313c1f1db285d481f4e6a6a871da389b6d4076897553856aaaf5d5
SSDEEP

6144:eloZM+rIkd8g+EtXHkv/iD4xfQtxoj8e1mdi:IoZtL+EP85gxoD

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/2452-1-0x0000000000300000-0x0000000000340000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Umbral family
umbral

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2808	powershell.exe
2756	powershell.exe
2600	powershell.exe
1904	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	restaddagethrowcorned.exe

Deletes itself 1 IoCs

pid	Process
576	cmd.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
9	discord.com
10	discord.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	ip-api.com

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
576	cmd.exe
700	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2156	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
700	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2452	restaddagethrowcorned.exe
2808	powershell.exe
2756	powershell.exe
2600	powershell.exe
1068	powershell.exe
1904	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	restaddagethrowcorned.exe
Token: SeIncreaseQuotaPrivilege	1360	wmic.exe
Token: SeSecurityPrivilege	1360	wmic.exe
Token: SeTakeOwnershipPrivilege	1360	wmic.exe
Token: SeLoadDriverPrivilege	1360	wmic.exe
Token: SeSystemProfilePrivilege	1360	wmic.exe
Token: SeSystemtimePrivilege	1360	wmic.exe
Token: SeProfSingleProcessPrivilege	1360	wmic.exe
Token: SeIncBasePriorityPrivilege	1360	wmic.exe
Token: SeCreatePagefilePrivilege	1360	wmic.exe
Token: SeBackupPrivilege	1360	wmic.exe
Token: SeRestorePrivilege	1360	wmic.exe
Token: SeShutdownPrivilege	1360	wmic.exe
Token: SeDebugPrivilege	1360	wmic.exe
Token: SeSystemEnvironmentPrivilege	1360	wmic.exe
Token: SeRemoteShutdownPrivilege	1360	wmic.exe
Token: SeUndockPrivilege	1360	wmic.exe
Token: SeManageVolumePrivilege	1360	wmic.exe
Token: 33	1360	wmic.exe
Token: 34	1360	wmic.exe
Token: 35	1360	wmic.exe
Token: SeIncreaseQuotaPrivilege	1360	wmic.exe
Token: SeSecurityPrivilege	1360	wmic.exe
Token: SeTakeOwnershipPrivilege	1360	wmic.exe
Token: SeLoadDriverPrivilege	1360	wmic.exe
Token: SeSystemProfilePrivilege	1360	wmic.exe
Token: SeSystemtimePrivilege	1360	wmic.exe
Token: SeProfSingleProcessPrivilege	1360	wmic.exe
Token: SeIncBasePriorityPrivilege	1360	wmic.exe
Token: SeCreatePagefilePrivilege	1360	wmic.exe
Token: SeBackupPrivilege	1360	wmic.exe
Token: SeRestorePrivilege	1360	wmic.exe
Token: SeShutdownPrivilege	1360	wmic.exe
Token: SeDebugPrivilege	1360	wmic.exe
Token: SeSystemEnvironmentPrivilege	1360	wmic.exe
Token: SeRemoteShutdownPrivilege	1360	wmic.exe
Token: SeUndockPrivilege	1360	wmic.exe
Token: SeManageVolumePrivilege	1360	wmic.exe
Token: 33	1360	wmic.exe
Token: 34	1360	wmic.exe
Token: 35	1360	wmic.exe
Token: SeDebugPrivilege	2808	powershell.exe
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	2600	powershell.exe
Token: SeDebugPrivilege	1068	powershell.exe
Token: SeIncreaseQuotaPrivilege	2924	wmic.exe
Token: SeSecurityPrivilege	2924	wmic.exe
Token: SeTakeOwnershipPrivilege	2924	wmic.exe
Token: SeLoadDriverPrivilege	2924	wmic.exe
Token: SeSystemProfilePrivilege	2924	wmic.exe
Token: SeSystemtimePrivilege	2924	wmic.exe
Token: SeProfSingleProcessPrivilege	2924	wmic.exe
Token: SeIncBasePriorityPrivilege	2924	wmic.exe
Token: SeCreatePagefilePrivilege	2924	wmic.exe
Token: SeBackupPrivilege	2924	wmic.exe
Token: SeRestorePrivilege	2924	wmic.exe
Token: SeShutdownPrivilege	2924	wmic.exe
Token: SeDebugPrivilege	2924	wmic.exe
Token: SeSystemEnvironmentPrivilege	2924	wmic.exe
Token: SeRemoteShutdownPrivilege	2924	wmic.exe
Token: SeUndockPrivilege	2924	wmic.exe
Token: SeManageVolumePrivilege	2924	wmic.exe
Token: 33	2924	wmic.exe
Token: 34	2924	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 1360	2452	restaddagethrowcorned.exe	30
PID 2452 wrote to memory of 1360	2452	restaddagethrowcorned.exe	30
PID 2452 wrote to memory of 1360	2452	restaddagethrowcorned.exe	30
PID 2452 wrote to memory of 2552	2452	restaddagethrowcorned.exe	33
PID 2452 wrote to memory of 2552	2452	restaddagethrowcorned.exe	33
PID 2452 wrote to memory of 2552	2452	restaddagethrowcorned.exe	33
PID 2452 wrote to memory of 2808	2452	restaddagethrowcorned.exe	35
PID 2452 wrote to memory of 2808	2452	restaddagethrowcorned.exe	35
PID 2452 wrote to memory of 2808	2452	restaddagethrowcorned.exe	35
PID 2452 wrote to memory of 2756	2452	restaddagethrowcorned.exe	37
PID 2452 wrote to memory of 2756	2452	restaddagethrowcorned.exe	37
PID 2452 wrote to memory of 2756	2452	restaddagethrowcorned.exe	37
PID 2452 wrote to memory of 2600	2452	restaddagethrowcorned.exe	39
PID 2452 wrote to memory of 2600	2452	restaddagethrowcorned.exe	39
PID 2452 wrote to memory of 2600	2452	restaddagethrowcorned.exe	39
PID 2452 wrote to memory of 1068	2452	restaddagethrowcorned.exe	41
PID 2452 wrote to memory of 1068	2452	restaddagethrowcorned.exe	41
PID 2452 wrote to memory of 1068	2452	restaddagethrowcorned.exe	41
PID 2452 wrote to memory of 2924	2452	restaddagethrowcorned.exe	43
PID 2452 wrote to memory of 2924	2452	restaddagethrowcorned.exe	43
PID 2452 wrote to memory of 2924	2452	restaddagethrowcorned.exe	43
PID 2452 wrote to memory of 2664	2452	restaddagethrowcorned.exe	45
PID 2452 wrote to memory of 2664	2452	restaddagethrowcorned.exe	45
PID 2452 wrote to memory of 2664	2452	restaddagethrowcorned.exe	45
PID 2452 wrote to memory of 1108	2452	restaddagethrowcorned.exe	47
PID 2452 wrote to memory of 1108	2452	restaddagethrowcorned.exe	47
PID 2452 wrote to memory of 1108	2452	restaddagethrowcorned.exe	47
PID 2452 wrote to memory of 1904	2452	restaddagethrowcorned.exe	49
PID 2452 wrote to memory of 1904	2452	restaddagethrowcorned.exe	49
PID 2452 wrote to memory of 1904	2452	restaddagethrowcorned.exe	49
PID 2452 wrote to memory of 2156	2452	restaddagethrowcorned.exe	51
PID 2452 wrote to memory of 2156	2452	restaddagethrowcorned.exe	51
PID 2452 wrote to memory of 2156	2452	restaddagethrowcorned.exe	51
PID 2452 wrote to memory of 576	2452	restaddagethrowcorned.exe	53
PID 2452 wrote to memory of 576	2452	restaddagethrowcorned.exe	53
PID 2452 wrote to memory of 576	2452	restaddagethrowcorned.exe	53
PID 576 wrote to memory of 700	576	cmd.exe	55
PID 576 wrote to memory of 700	576	cmd.exe	55
PID 576 wrote to memory of 700	576	cmd.exe	55

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2552	attrib.exe

C:\Users\Admin\AppData\Local\Temp\restaddagethrowcorned.exe
"C:\Users\Admin\AppData\Local\Temp\restaddagethrowcorned.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1360
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\restaddagethrowcorned.exe"
  2⤵
  - Views/modifies file attributes
  PID:2552
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\restaddagethrowcorned.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2808
- 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
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2600
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1068
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2924
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2664
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1108
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1904
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2156
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\restaddagethrowcorned.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:576
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
62cfe303229e1851ae2128e2ba767e08

SHA1
98f24a4284ef3bc3ae14c42b1d24981545179939

SHA256
01b7886271252a81f70b5a51435e627d30faaf84c6df493db0d6b8e11ec089a2

SHA512
c1f15e2fdbecd9c9b63686ea27a86c6bb38fa5e02d18dc89311d3e6c4862e5076a58aa72014ff3fee9d70edefac93a2210ba442a44fe869b4ae4f57855991bbc

Download Submit
memory/1904-44-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download
memory/2452-0-0x000007FEF5AA3000-0x000007FEF5AA4000-memory.dmp

Filesize
4KB

Download
memory/2452-1-0x0000000000300000-0x0000000000340000-memory.dmp

Filesize
256KB

Download
memory/2452-2-0x000007FEF5AA0000-0x000007FEF648C000-memory.dmp

Filesize
9.9MB

Download
memory/2452-48-0x000007FEF5AA0000-0x000007FEF648C000-memory.dmp

Filesize
9.9MB

Download
memory/2756-14-0x000000001B770000-0x000000001BA52000-memory.dmp

Filesize
2.9MB

Download
memory/2756-15-0x0000000001E10000-0x0000000001E18000-memory.dmp

Filesize
32KB

Download
memory/2808-7-0x000000001B760000-0x000000001BA42000-memory.dmp

Filesize
2.9MB

Download
memory/2808-8-0x00000000027F0000-0x00000000027F8000-memory.dmp

Filesize
32KB

Download