umbral | f08d555b265bc840ef4d7904f37de7886b276d3b2f85180bb63b0e29445e02b1

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:16

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General

Target

c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe
Size

231KB
MD5

bdce93cd17613821526bc6ca459ed2e9
SHA1

a5ac6f6aaec918ef84e4229a14f7fa5e22a3125a
SHA256

c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4
SHA512

75f898555e2a3c82b87f94a6b0504869513309a7f386546b4b4f5c241fb311144eff19527e3fbbae38708189f28d28bb556a7441ecf7d8044cc382cc88cd6cb3
SSDEEP

6144:RloZMZrIkd8g+EtXHkv/iD4G17d5nsAvLOXZkQlz7b8e1mjGi:joZCL+EP8G17d5nsAvLOXZkQlTqr

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral5/memory/2160-1-0x0000000000280000-0x00000000002C0000-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
2688	powershell.exe
2140	powershell.exe
2720	powershell.exe
3008	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
8	discord.com
9	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

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1908	wmic.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2688	powershell.exe
2720	powershell.exe
3008	powershell.exe
2008	powershell.exe
2140	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe
Token: SeDebugPrivilege	2688	powershell.exe
Token: SeDebugPrivilege	2720	powershell.exe
Token: SeDebugPrivilege	3008	powershell.exe
Token: SeDebugPrivilege	2008	powershell.exe
Token: SeIncreaseQuotaPrivilege	1160	wmic.exe
Token: SeSecurityPrivilege	1160	wmic.exe
Token: SeTakeOwnershipPrivilege	1160	wmic.exe
Token: SeLoadDriverPrivilege	1160	wmic.exe
Token: SeSystemProfilePrivilege	1160	wmic.exe
Token: SeSystemtimePrivilege	1160	wmic.exe
Token: SeProfSingleProcessPrivilege	1160	wmic.exe
Token: SeIncBasePriorityPrivilege	1160	wmic.exe
Token: SeCreatePagefilePrivilege	1160	wmic.exe
Token: SeBackupPrivilege	1160	wmic.exe
Token: SeRestorePrivilege	1160	wmic.exe
Token: SeShutdownPrivilege	1160	wmic.exe
Token: SeDebugPrivilege	1160	wmic.exe
Token: SeSystemEnvironmentPrivilege	1160	wmic.exe
Token: SeRemoteShutdownPrivilege	1160	wmic.exe
Token: SeUndockPrivilege	1160	wmic.exe
Token: SeManageVolumePrivilege	1160	wmic.exe
Token: 33	1160	wmic.exe
Token: 34	1160	wmic.exe
Token: 35	1160	wmic.exe
Token: SeIncreaseQuotaPrivilege	1160	wmic.exe
Token: SeSecurityPrivilege	1160	wmic.exe
Token: SeTakeOwnershipPrivilege	1160	wmic.exe
Token: SeLoadDriverPrivilege	1160	wmic.exe
Token: SeSystemProfilePrivilege	1160	wmic.exe
Token: SeSystemtimePrivilege	1160	wmic.exe
Token: SeProfSingleProcessPrivilege	1160	wmic.exe
Token: SeIncBasePriorityPrivilege	1160	wmic.exe
Token: SeCreatePagefilePrivilege	1160	wmic.exe
Token: SeBackupPrivilege	1160	wmic.exe
Token: SeRestorePrivilege	1160	wmic.exe
Token: SeShutdownPrivilege	1160	wmic.exe
Token: SeDebugPrivilege	1160	wmic.exe
Token: SeSystemEnvironmentPrivilege	1160	wmic.exe
Token: SeRemoteShutdownPrivilege	1160	wmic.exe
Token: SeUndockPrivilege	1160	wmic.exe
Token: SeManageVolumePrivilege	1160	wmic.exe
Token: 33	1160	wmic.exe
Token: 34	1160	wmic.exe
Token: 35	1160	wmic.exe
Token: SeIncreaseQuotaPrivilege	2260	wmic.exe
Token: SeSecurityPrivilege	2260	wmic.exe
Token: SeTakeOwnershipPrivilege	2260	wmic.exe
Token: SeLoadDriverPrivilege	2260	wmic.exe
Token: SeSystemProfilePrivilege	2260	wmic.exe
Token: SeSystemtimePrivilege	2260	wmic.exe
Token: SeProfSingleProcessPrivilege	2260	wmic.exe
Token: SeIncBasePriorityPrivilege	2260	wmic.exe
Token: SeCreatePagefilePrivilege	2260	wmic.exe
Token: SeBackupPrivilege	2260	wmic.exe
Token: SeRestorePrivilege	2260	wmic.exe
Token: SeShutdownPrivilege	2260	wmic.exe
Token: SeDebugPrivilege	2260	wmic.exe
Token: SeSystemEnvironmentPrivilege	2260	wmic.exe
Token: SeRemoteShutdownPrivilege	2260	wmic.exe
Token: SeUndockPrivilege	2260	wmic.exe
Token: SeManageVolumePrivilege	2260	wmic.exe
Token: 33	2260	wmic.exe
Token: 34	2260	wmic.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2688	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	30
PID 2160 wrote to memory of 2688	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	30
PID 2160 wrote to memory of 2688	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	30
PID 2160 wrote to memory of 2720	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	32
PID 2160 wrote to memory of 2720	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	32
PID 2160 wrote to memory of 2720	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	32
PID 2160 wrote to memory of 3008	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	34
PID 2160 wrote to memory of 3008	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	34
PID 2160 wrote to memory of 3008	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	34
PID 2160 wrote to memory of 2008	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	36
PID 2160 wrote to memory of 2008	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	36
PID 2160 wrote to memory of 2008	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	36
PID 2160 wrote to memory of 1160	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	38
PID 2160 wrote to memory of 1160	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	38
PID 2160 wrote to memory of 1160	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	38
PID 2160 wrote to memory of 2260	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	41
PID 2160 wrote to memory of 2260	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	41
PID 2160 wrote to memory of 2260	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	41
PID 2160 wrote to memory of 2860	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	43
PID 2160 wrote to memory of 2860	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	43
PID 2160 wrote to memory of 2860	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	43
PID 2160 wrote to memory of 2140	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	45
PID 2160 wrote to memory of 2140	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	45
PID 2160 wrote to memory of 2140	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	45
PID 2160 wrote to memory of 1908	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	47
PID 2160 wrote to memory of 1908	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	47
PID 2160 wrote to memory of 1908	2160	c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe	47

C:\Users\Admin\AppData\Local\Temp\c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe
"C:\Users\Admin\AppData\Local\Temp\c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\c7e0e2cc0be8b051458a1d381ce938a5916d17ca60fbe8b55c993d41be140aa4.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2688
- 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:2720
- 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:3008
- 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:2008
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1160
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2260
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2860
- 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:2140
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1908

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

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

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
4ba5a9c59a73ad44adfa0deab02aa55b

SHA1
e011386710c77a7c3a18179047844f1c2b6f2af0

SHA256
ff1d4f8b2b5e01e74f5507d0d9eccdf7cf1c3fa58f4222e21528689ede8c09f2

SHA512
c2f0ba041017c0b9874043bb9c0d260745441389d49741d048a5ac862b5788a545e96659121a27e429921b7bfc31eefa2f0649517ff735717ed5dc4300f1fca7

Download Submit
memory/2140-40-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/2160-1-0x0000000000280000-0x00000000002C0000-memory.dmp

Filesize
256KB

Download
memory/2160-2-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

Filesize
9.9MB

Download
memory/2160-0-0x000007FEF57C3000-0x000007FEF57C4000-memory.dmp

Filesize
4KB

Download
memory/2160-43-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

Filesize
9.9MB

Download
memory/2688-7-0x000007FEEDD9E000-0x000007FEEDD9F000-memory.dmp

Filesize
4KB

Download
memory/2688-11-0x000007FEEDAE0000-0x000007FEEE47D000-memory.dmp

Filesize
9.6MB

Download
memory/2688-12-0x000007FEEDAE0000-0x000007FEEE47D000-memory.dmp

Filesize
9.6MB

Download
memory/2688-10-0x000007FEEDAE0000-0x000007FEEE47D000-memory.dmp

Filesize
9.6MB

Download
memory/2688-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2688-8-0x000000001B800000-0x000000001BAE2000-memory.dmp

Filesize
2.9MB

Download
memory/2720-18-0x000000001B6E0000-0x000000001B9C2000-memory.dmp

Filesize
2.9MB

Download
memory/2720-19-0x0000000001F70000-0x0000000001F78000-memory.dmp

Filesize
32KB

Download