umbral | a90ab751bfb8cb4daee6dbb9a595c4af981c9792f245b87f821740fdf3ab28ce

Analysis

max time kernel
91s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-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
behavioral2/memory/3688-1-0x000002568F7D0000-0x000002568F810000-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
1632	powershell.exe
4000	powershell.exe
632	powershell.exe
1344	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	restaddagethrowcorned.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
27	discord.com
29	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
3	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
5076	PING.EXE
4472	cmd.exe

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4920	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5076	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3688	restaddagethrowcorned.exe
1632	powershell.exe
1632	powershell.exe
1344	powershell.exe
1344	powershell.exe
4000	powershell.exe
4000	powershell.exe
4080	powershell.exe
4080	powershell.exe
632	powershell.exe
632	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3688	restaddagethrowcorned.exe
Token: SeIncreaseQuotaPrivilege	4224	wmic.exe
Token: SeSecurityPrivilege	4224	wmic.exe
Token: SeTakeOwnershipPrivilege	4224	wmic.exe
Token: SeLoadDriverPrivilege	4224	wmic.exe
Token: SeSystemProfilePrivilege	4224	wmic.exe
Token: SeSystemtimePrivilege	4224	wmic.exe
Token: SeProfSingleProcessPrivilege	4224	wmic.exe
Token: SeIncBasePriorityPrivilege	4224	wmic.exe
Token: SeCreatePagefilePrivilege	4224	wmic.exe
Token: SeBackupPrivilege	4224	wmic.exe
Token: SeRestorePrivilege	4224	wmic.exe
Token: SeShutdownPrivilege	4224	wmic.exe
Token: SeDebugPrivilege	4224	wmic.exe
Token: SeSystemEnvironmentPrivilege	4224	wmic.exe
Token: SeRemoteShutdownPrivilege	4224	wmic.exe
Token: SeUndockPrivilege	4224	wmic.exe
Token: SeManageVolumePrivilege	4224	wmic.exe
Token: 33	4224	wmic.exe
Token: 34	4224	wmic.exe
Token: 35	4224	wmic.exe
Token: 36	4224	wmic.exe
Token: SeIncreaseQuotaPrivilege	4224	wmic.exe
Token: SeSecurityPrivilege	4224	wmic.exe
Token: SeTakeOwnershipPrivilege	4224	wmic.exe
Token: SeLoadDriverPrivilege	4224	wmic.exe
Token: SeSystemProfilePrivilege	4224	wmic.exe
Token: SeSystemtimePrivilege	4224	wmic.exe
Token: SeProfSingleProcessPrivilege	4224	wmic.exe
Token: SeIncBasePriorityPrivilege	4224	wmic.exe
Token: SeCreatePagefilePrivilege	4224	wmic.exe
Token: SeBackupPrivilege	4224	wmic.exe
Token: SeRestorePrivilege	4224	wmic.exe
Token: SeShutdownPrivilege	4224	wmic.exe
Token: SeDebugPrivilege	4224	wmic.exe
Token: SeSystemEnvironmentPrivilege	4224	wmic.exe
Token: SeRemoteShutdownPrivilege	4224	wmic.exe
Token: SeUndockPrivilege	4224	wmic.exe
Token: SeManageVolumePrivilege	4224	wmic.exe
Token: 33	4224	wmic.exe
Token: 34	4224	wmic.exe
Token: 35	4224	wmic.exe
Token: 36	4224	wmic.exe
Token: SeDebugPrivilege	1632	powershell.exe
Token: SeDebugPrivilege	1344	powershell.exe
Token: SeDebugPrivilege	4000	powershell.exe
Token: SeDebugPrivilege	4080	powershell.exe
Token: SeIncreaseQuotaPrivilege	1144	wmic.exe
Token: SeSecurityPrivilege	1144	wmic.exe
Token: SeTakeOwnershipPrivilege	1144	wmic.exe
Token: SeLoadDriverPrivilege	1144	wmic.exe
Token: SeSystemProfilePrivilege	1144	wmic.exe
Token: SeSystemtimePrivilege	1144	wmic.exe
Token: SeProfSingleProcessPrivilege	1144	wmic.exe
Token: SeIncBasePriorityPrivilege	1144	wmic.exe
Token: SeCreatePagefilePrivilege	1144	wmic.exe
Token: SeBackupPrivilege	1144	wmic.exe
Token: SeRestorePrivilege	1144	wmic.exe
Token: SeShutdownPrivilege	1144	wmic.exe
Token: SeDebugPrivilege	1144	wmic.exe
Token: SeSystemEnvironmentPrivilege	1144	wmic.exe
Token: SeRemoteShutdownPrivilege	1144	wmic.exe
Token: SeUndockPrivilege	1144	wmic.exe
Token: SeManageVolumePrivilege	1144	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 4224	3688	restaddagethrowcorned.exe	87
PID 3688 wrote to memory of 4224	3688	restaddagethrowcorned.exe	87
PID 3688 wrote to memory of 2064	3688	restaddagethrowcorned.exe	91
PID 3688 wrote to memory of 2064	3688	restaddagethrowcorned.exe	91
PID 3688 wrote to memory of 1632	3688	restaddagethrowcorned.exe	93
PID 3688 wrote to memory of 1632	3688	restaddagethrowcorned.exe	93
PID 3688 wrote to memory of 1344	3688	restaddagethrowcorned.exe	95
PID 3688 wrote to memory of 1344	3688	restaddagethrowcorned.exe	95
PID 3688 wrote to memory of 4000	3688	restaddagethrowcorned.exe	97
PID 3688 wrote to memory of 4000	3688	restaddagethrowcorned.exe	97
PID 3688 wrote to memory of 4080	3688	restaddagethrowcorned.exe	99
PID 3688 wrote to memory of 4080	3688	restaddagethrowcorned.exe	99
PID 3688 wrote to memory of 1144	3688	restaddagethrowcorned.exe	103
PID 3688 wrote to memory of 1144	3688	restaddagethrowcorned.exe	103
PID 3688 wrote to memory of 4484	3688	restaddagethrowcorned.exe	105
PID 3688 wrote to memory of 4484	3688	restaddagethrowcorned.exe	105
PID 3688 wrote to memory of 3896	3688	restaddagethrowcorned.exe	107
PID 3688 wrote to memory of 3896	3688	restaddagethrowcorned.exe	107
PID 3688 wrote to memory of 632	3688	restaddagethrowcorned.exe	110
PID 3688 wrote to memory of 632	3688	restaddagethrowcorned.exe	110
PID 3688 wrote to memory of 4920	3688	restaddagethrowcorned.exe	112
PID 3688 wrote to memory of 4920	3688	restaddagethrowcorned.exe	112
PID 3688 wrote to memory of 4472	3688	restaddagethrowcorned.exe	114
PID 3688 wrote to memory of 4472	3688	restaddagethrowcorned.exe	114
PID 4472 wrote to memory of 5076	4472	cmd.exe	116
PID 4472 wrote to memory of 5076	4472	cmd.exe	116

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2064	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:3688
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4224
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\restaddagethrowcorned.exe"
  2⤵
  - Views/modifies file attributes
  PID:2064
- 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:1632
- 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:1344
- 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:4000
- 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:4080
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1144
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:4484
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:3896
- 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:632
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:4920
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\restaddagethrowcorned.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4472
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:5076

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\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
948B

MD5
1a58f982c18490e622e00d4eb75ace5a

SHA1
60c30527b74659ecf09089a5a7c02a1df9a71b65

SHA256
4b7f800c0dea209162cc86627983993127eb20e3f8616646c41cb3ce15d9b39d

SHA512
ddab516a967783c5951717853aa5b3ef6dd5b442db50092888b2e7f3179fc68120fcde69a08d6ab280740eaadb6eadfc758c3118b52706f869e48ac1aebda480

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

Filesize
1KB

MD5
276798eeb29a49dc6e199768bc9c2e71

SHA1
5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

SHA256
cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

SHA512
0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

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

Filesize
1KB

MD5
cf1b06b44fb8bc1a4f25c85e70937782

SHA1
c4adeae41a97fc11d407c398040dd109873fb2e5

SHA256
04ddc18714503a6c256830af58a731df9d9ad479e87663787e0fa92424c9b743

SHA512
07fcfc741b14ef3551fdc53a08e31020fd9e1d43ab637535a11e318c9f8d48ea37cae3913539838e74299952a868a7824982ad5dc887992686d45050cc1fc7cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0hiapvps.xbp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1632-3-0x00007FFEBFC00000-0x00007FFEC06C1000-memory.dmp

Filesize
10.8MB

Download
memory/1632-13-0x000001A4BCA80000-0x000001A4BCAA2000-memory.dmp

Filesize
136KB

Download
memory/1632-14-0x00007FFEBFC00000-0x00007FFEC06C1000-memory.dmp

Filesize
10.8MB

Download
memory/1632-15-0x00007FFEBFC00000-0x00007FFEC06C1000-memory.dmp

Filesize
10.8MB

Download
memory/1632-18-0x00007FFEBFC00000-0x00007FFEC06C1000-memory.dmp

Filesize
10.8MB

Download
memory/3688-34-0x00000256A9FA0000-0x00000256A9FF0000-memory.dmp

Filesize
320KB

Download
memory/3688-33-0x00000256A9F20000-0x00000256A9F96000-memory.dmp

Filesize
472KB

Download
memory/3688-35-0x00000256A9EC0000-0x00000256A9EDE000-memory.dmp

Filesize
120KB

Download
memory/3688-1-0x000002568F7D0000-0x000002568F810000-memory.dmp

Filesize
256KB

Download
memory/3688-0-0x00007FFEBFC03000-0x00007FFEBFC05000-memory.dmp

Filesize
8KB

Download
memory/3688-72-0x00000256A9EE0000-0x00000256A9EF2000-memory.dmp

Filesize
72KB

Download
memory/3688-71-0x00000256A9E80000-0x00000256A9E8A000-memory.dmp

Filesize
40KB

Download
memory/3688-2-0x00007FFEBFC00000-0x00007FFEC06C1000-memory.dmp

Filesize
10.8MB

Download
memory/3688-90-0x00007FFEBFC00000-0x00007FFEC06C1000-memory.dmp

Filesize
10.8MB

Download