umbral | 5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
08-06-2024 07:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe
Size

229KB
MD5

1adeea63d576dea9add98e01e9fe78b4
SHA1

8f754fd661d9ce2e9e9a7278b4dd7096b13fc585
SHA256

5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84
SHA512

0ba3c5555273a15c5406f0bd1b5f1a3888814bdbb4130f80eae1f973497c4e5d81a92ed0797a55316b358a42a955fe44f476d1e0e90c15211dc30f4dd20c58cb
SSDEEP

6144:lloZMCrIkd8g+EtXHkv/iD4sodaBPUonIWvRsY99ib8e1miLZi:noZZL+EP8sodaBPUonIWvRsY9wfLA

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/1252-1-0x00000000001B0000-0x00000000001F0000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3052	powershell.exe

Reads user/profile data of web browsers 2 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

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
1196	wmic.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3052	powershell.exe
3032	powershell.exe
2688	powershell.exe
2952	powershell.exe
2432	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe
Token: SeDebugPrivilege	3052	powershell.exe
Token: SeDebugPrivilege	3032	powershell.exe
Token: SeDebugPrivilege	2688	powershell.exe
Token: SeDebugPrivilege	2952	powershell.exe
Token: SeIncreaseQuotaPrivilege	1796	wmic.exe
Token: SeSecurityPrivilege	1796	wmic.exe
Token: SeTakeOwnershipPrivilege	1796	wmic.exe
Token: SeLoadDriverPrivilege	1796	wmic.exe
Token: SeSystemProfilePrivilege	1796	wmic.exe
Token: SeSystemtimePrivilege	1796	wmic.exe
Token: SeProfSingleProcessPrivilege	1796	wmic.exe
Token: SeIncBasePriorityPrivilege	1796	wmic.exe
Token: SeCreatePagefilePrivilege	1796	wmic.exe
Token: SeBackupPrivilege	1796	wmic.exe
Token: SeRestorePrivilege	1796	wmic.exe
Token: SeShutdownPrivilege	1796	wmic.exe
Token: SeDebugPrivilege	1796	wmic.exe
Token: SeSystemEnvironmentPrivilege	1796	wmic.exe
Token: SeRemoteShutdownPrivilege	1796	wmic.exe
Token: SeUndockPrivilege	1796	wmic.exe
Token: SeManageVolumePrivilege	1796	wmic.exe
Token: 33	1796	wmic.exe
Token: 34	1796	wmic.exe
Token: 35	1796	wmic.exe
Token: SeIncreaseQuotaPrivilege	1796	wmic.exe
Token: SeSecurityPrivilege	1796	wmic.exe
Token: SeTakeOwnershipPrivilege	1796	wmic.exe
Token: SeLoadDriverPrivilege	1796	wmic.exe
Token: SeSystemProfilePrivilege	1796	wmic.exe
Token: SeSystemtimePrivilege	1796	wmic.exe
Token: SeProfSingleProcessPrivilege	1796	wmic.exe
Token: SeIncBasePriorityPrivilege	1796	wmic.exe
Token: SeCreatePagefilePrivilege	1796	wmic.exe
Token: SeBackupPrivilege	1796	wmic.exe
Token: SeRestorePrivilege	1796	wmic.exe
Token: SeShutdownPrivilege	1796	wmic.exe
Token: SeDebugPrivilege	1796	wmic.exe
Token: SeSystemEnvironmentPrivilege	1796	wmic.exe
Token: SeRemoteShutdownPrivilege	1796	wmic.exe
Token: SeUndockPrivilege	1796	wmic.exe
Token: SeManageVolumePrivilege	1796	wmic.exe
Token: 33	1796	wmic.exe
Token: 34	1796	wmic.exe
Token: 35	1796	wmic.exe
Token: SeIncreaseQuotaPrivilege	1228	wmic.exe
Token: SeSecurityPrivilege	1228	wmic.exe
Token: SeTakeOwnershipPrivilege	1228	wmic.exe
Token: SeLoadDriverPrivilege	1228	wmic.exe
Token: SeSystemProfilePrivilege	1228	wmic.exe
Token: SeSystemtimePrivilege	1228	wmic.exe
Token: SeProfSingleProcessPrivilege	1228	wmic.exe
Token: SeIncBasePriorityPrivilege	1228	wmic.exe
Token: SeCreatePagefilePrivilege	1228	wmic.exe
Token: SeBackupPrivilege	1228	wmic.exe
Token: SeRestorePrivilege	1228	wmic.exe
Token: SeShutdownPrivilege	1228	wmic.exe
Token: SeDebugPrivilege	1228	wmic.exe
Token: SeSystemEnvironmentPrivilege	1228	wmic.exe
Token: SeRemoteShutdownPrivilege	1228	wmic.exe
Token: SeUndockPrivilege	1228	wmic.exe
Token: SeManageVolumePrivilege	1228	wmic.exe
Token: 33	1228	wmic.exe
Token: 34	1228	wmic.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 3052	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	28
PID 1252 wrote to memory of 3052	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	28
PID 1252 wrote to memory of 3052	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	28
PID 1252 wrote to memory of 3032	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	30
PID 1252 wrote to memory of 3032	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	30
PID 1252 wrote to memory of 3032	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	30
PID 1252 wrote to memory of 2688	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	32
PID 1252 wrote to memory of 2688	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	32
PID 1252 wrote to memory of 2688	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	32
PID 1252 wrote to memory of 2952	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	34
PID 1252 wrote to memory of 2952	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	34
PID 1252 wrote to memory of 2952	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	34
PID 1252 wrote to memory of 1796	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	36
PID 1252 wrote to memory of 1796	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	36
PID 1252 wrote to memory of 1796	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	36
PID 1252 wrote to memory of 1228	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	39
PID 1252 wrote to memory of 1228	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	39
PID 1252 wrote to memory of 1228	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	39
PID 1252 wrote to memory of 1992	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	41
PID 1252 wrote to memory of 1992	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	41
PID 1252 wrote to memory of 1992	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	41
PID 1252 wrote to memory of 2432	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	43
PID 1252 wrote to memory of 2432	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	43
PID 1252 wrote to memory of 2432	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	43
PID 1252 wrote to memory of 1196	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	45
PID 1252 wrote to memory of 1196	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	45
PID 1252 wrote to memory of 1196	1252	5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe	45

C:\Users\Admin\AppData\Local\Temp\5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe
"C:\Users\Admin\AppData\Local\Temp\5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\5a2904a05d5d2f5d3d3ef44bdf54e74341ae9b54ba5f6545b37acf187eec4f84.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3052
- 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⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3032
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2688
- 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:2952
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1796
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1228
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1992
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2432
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1196

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

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
d42011b859670647e9843a472fd4835e

SHA1
a5137e9905a18a8f7f17509fdf24766f98b8d5ae

SHA256
584a486576cc23ca73764f433a60d3779465d1131dee3593046f234e6f17ddbf

SHA512
9f535adfac3570e396721c8da759de30b2e689e36a5c33c2f0341bf7013c7cc3be061f72bbdc5ac5850c65ffec22dc942d91e27c1fa770e61f9590f4877d7426

Download Submit
memory/1252-1-0x00000000001B0000-0x00000000001F0000-memory.dmp

Filesize
256KB

Download
memory/1252-2-0x000007FEF5620000-0x000007FEF600C000-memory.dmp

Filesize
9.9MB

Download
memory/1252-50-0x000007FEF5620000-0x000007FEF600C000-memory.dmp

Filesize
9.9MB

Download
memory/1252-0-0x000007FEF5623000-0x000007FEF5624000-memory.dmp

Filesize
4KB

Download
memory/2432-46-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download
memory/3032-22-0x00000000023A0000-0x00000000023A8000-memory.dmp

Filesize
32KB

Download
memory/3032-21-0x000000001B600000-0x000000001B8E2000-memory.dmp

Filesize
2.9MB

Download
memory/3052-9-0x000007FEEDA30000-0x000007FEEE3CD000-memory.dmp

Filesize
9.6MB

Download
memory/3052-14-0x000007FEEDA30000-0x000007FEEE3CD000-memory.dmp

Filesize
9.6MB

Download
memory/3052-15-0x000007FEEDA30000-0x000007FEEE3CD000-memory.dmp

Filesize
9.6MB

Download
memory/3052-13-0x000007FEEDA30000-0x000007FEEE3CD000-memory.dmp

Filesize
9.6MB

Download
memory/3052-12-0x000007FEEDA30000-0x000007FEEE3CD000-memory.dmp

Filesize
9.6MB

Download
memory/3052-10-0x0000000001F40000-0x0000000001F48000-memory.dmp

Filesize
32KB

Download
memory/3052-11-0x000007FEEDA30000-0x000007FEEE3CD000-memory.dmp

Filesize
9.6MB

Download
memory/3052-8-0x000000001B630000-0x000000001B912000-memory.dmp

Filesize
2.9MB

Download
memory/3052-7-0x000007FEEDCEE000-0x000007FEEDCEF000-memory.dmp

Filesize
4KB

Download